General Volcanic Activity Thread!

[john pike]

Recent Kilauea Status Reports, Updates, and Information Releases HAWAIIAN VOLCANO OBSERVATORY DAILY UPDATE Monday, September 22, 2014 9:00 AM HST (Monday, September 22, 2014 19:00 UTC)

This report on the status of Kilauea volcanic activity, in addition to maps, photos, and Webcam images (available at http://hvo.wr.usgs.gov/activity/kilaueastatus.php), was prepared by the USGS Hawaiian Volcano Observatory (HVO). All times are Hawai`i Standard Time.

KILAUEA VOLCANO (VNUM #332010)
19°25'16" N 155°17'13" W, Summit Elevation 4091 ft (1247 m)
Current Volcano Alert Level: WARNING
Current Aviation Color Code: ORANGE

Activity Summary: KÄ«lauea continued to erupt at its summit and within the East Rift Zone, and gas emissions remained elevated. Summit deflation slowed over the past day, and the lava lake level was relatively stable and low. At the middle East Rift Zone, the front of the June 27th flow slowed to a stop, but the flow remains active farther upslope within Kaohe Homesteads. Surface breakouts are also present closer to PuÊ»u ʻŌʻÅ.

June 27th Lava Flow Observations: A Civil Defense overflight this morning found little advancement or activity along the front of the June 27th lava flow. A breakout several meters (yards) upslope, however, was advancing into forest along the north edge of the flow, and moving in a northeasterly direction. With almost no advancement over the past day, the nearly inactive flow front this morning remained 16.4 km (10.2 miles) from the vent, measured in a straight line, and the actual length of the flow, measured along the lava tube axis (so that bends in the flow are considered) was 18.7 km (11.6 miles).

Small breakouts also remain active closer to PuÊ»u ʻŌʻÅ, roughly midway along the length of the June 27th flow. None of these breakouts by itself has been very vigorous, but together they compose a significant portion of the total flow volume. Some of these breakouts are also producing smoke plumes as they creep into the adjacent forest.

Puʻu ʻŌʻŠObservations: There was little net change in tilt at Puʻu ʻŌʻŠover the past day, but there has been weak inflation over the past week. Glow was visible overnight above several outgassing openings in the crater floor. The most recent sulfur-dioxide emission-rate measurement for the East Rift Zone was 400 tonnes per day (from all sources) on September 5, 2014.

Summit Observations: KÄ«lauea's summit deflated very slightly over the past day. The lake level was roughly 70 m (230 ft) below the Overlook crater rim, but fluctuated slightly with changes in spattering. Dozens of small collapses, and one fairly large collapse, composed of fresh lava which had been adhered to the wall of the Overlook crater, occurred in response to the relatively low lava level.

There was no major change in earthquake activity on Kīlauea over the past day; seismic tremor at the summit remained low and varied with changes in spattering on the surface of the lava lake. GPS receivers spanning the summit caldera recorded about 5 cm (2 in) of extension between early May and early July. Since then, GPS line length has tracked changes in ground tilt. During the week ending on September 16, 2014, the elevated summit sulfur-dioxide emission rate was measured at 4,300–6,800 tonnes/day (see caveat below), and a tiny amount of particulate material was carried aloft by the plume.

 

http://hvo.wr.usgs.gov/activity/kilaueastatus.php

 

 

 

http://hvo.wr.usgs.gov/multimedia/

 

more info and photos re this in the above link

Edited September 22, 2014 by john pike

[john pike]

Mount Sinabung in North Sumatra, one of the most active volcanoes in Indonesia, erupted Wednesday, spewing hot ash up to two km to the southeast, official here said. Powerful bursts of hot ash and gravel erupted from the rumbling volcano in western Indonesia at 1.43 a.m., but the height of the ash could not be seen as it was covered by clouds, said Sutopo Purwo Nugroho, spokesman of the national disaster management agency. The eruption did not trigger evacuation, but all residents in three villages near the volcano are prepared for displacement, he told Xinhua by phone. Mount Sinabung in Karo district last erupted June 29 after erupting on and off from September 2013 to February 2014, which left 15 people dead and more than 30,000 others internally displaced. Mount Sinabung is among the more than 120 active volcanoes in Indonesia, which is prone to seismic upheaval due to its location on the "Pacific Ring of Fire". The volcano rumbled back in September 2013 after being dormant for 400 years. The Indonesian transport ministry warned aircraft to stay away from the path near the volcano.

 

http://hisz.rsoe.hu/alertmap/site/index.php?pageid=event_desc&edis_id=VE-20140924-45403-IDN

[john pike]

Kilauea volcano update: Lava front stalls, breakouts widen to the north

Thursday Sep 25, 2014 05:26 AM | BY: PO

NASA satellite image of the flow area provided by USGS-HVO, showing "hot" areas widening the lava flow field on September 22, 2014.

USGS-HVO tilt plot on September 24, 2014 showing decrease in summit tilt during the same period as decrease in surface activity, but a puzzling lack of decrease in tilt at Pu'u 'O'o cone.

In the past few days, the front of the lava flow heading towards Pahoa has stalled its forward progress. There is still lava activity at a decreased level, but this is only widening the lava field instead of advancing further.

There is an interesting, perhaps coincidental correlation between the drop in surface activity and a decrease in summit tilt (presumably tied to pressure). Unusually, there is no corresponding decrease on Pu'u 'O'o's tilt signal, and the public is not in a position to decipher whether this is due to an unusual eruption geometry, or whether there is no real correlation. If surface activity increases within a day or two of the next summit tilt increase, that would suggest some correlation, but for now certainly Pahoa and its infrastructure have been granted a little extra time.

• All news about: Kilauea volcano
• Information about: Kilauea volcano

[john pike]

http://volcanoes.usgs.gov/volcanoes/long_valley/long_valley_monitoring_1.html

 

interesting quake activity at long valley area

 

not big ones showing but 228 quakes in 5 days is noticeable

 

http://quakes.globalincidentmap.com/

 

just an observation for now

 

now 273 and still going

 

http://www.emsc-csem.org/Earthquake/

 

updating on csem now too

Edited September 26, 2014 by john pike

[john pike]

Stromboli volcano (Eolian Islands, Italy) activity update: lava flow effusion on Sciara del Fuoco, occasional strombolian explosions

Thursday Sep 25, 2014 22:02 PM | BY: T

Strombolian eruption today from Stromboli's NW vent (INGV Catania)

View of the active lava flow from the 190 m thermal webcam (INGV Catania)

Strombolian explosions have returned to the summit vents, although so far, these have been rare and small. At the same time, the effusive eruption with lava flow emission from the vent at 650 m a.s.l. at the northern base of the crater terrace complex continues with little changes.

The lava flow follows the path on the central part of the Sciara and its front reaches 50-100 m above the sea shore.

The summit area remains closed for excursions due to the increased risk of a larger landslide and/or a strong sudden explosive eruption. Visitors are allowed to climb to 290 meters only.

• All news about: Stromboli volcano
• Information about: Stromboli volcano

Sinabung volcano (Sumatra, Indonesia) activity update: continuing slow lava extrusion

Thursday Sep 25, 2014 21:49 PM | BY: T

The volcano continues to slowly extrude lava feeding the large lava lobe on the southeastern flank. Occasional rockfalls and small pyroclastic flows have been observed in the past weeks.

from the Smithsonian / USGS Weekly Volcanic Activity Report 17 September-23 September 2014:

PVMBG reported that RSAM values from Sinabung were low and stable during 12-20 September. Earthquake signals indicating lava-dome instability were recorded and had increased from 96 to 110 events/day since the 5-11 September period. Seismicity also continued to signify growth of the main lava flow on the flanks; incandescent lava was visible at the top, middle, and front of the lava flow.

The length of the lava flow was 2.9 km on 6 September. White and sometimes bluish plumes rose as high as 1 km above the lava dome. Pyroclastic flows traveled 2.5 km SE on 15 September and 2 km S on 18 September. The Alert Level remained at 3 (on a scale of 1-4).

• All news about: Sinabung volcano
• Information about: Sinabung volcano

[john pike]

Tungurahua volcano (Ecuador) activity update

Thursday Sep 25, 2014 21:52 PM | BY: T

Activity at the volcano remains at moderate to high levels, consisting of strombolian and small vulcanian explosions. During the past week, ash plumes have been rising 2-3 km above the volcano.+

from the Smithsonian / USGS Weekly Volcanic Activity Report 17 September-23 September 2014:

On 18 September ash plumes rose 2 km and drifted mainly NW. Ashfall was reported in Cusúa (8 km NW), Mocha (25 km W), and Chacauco (NW), and windows vibrated at the Tungurahua Observatory (OVT) in Guadalupe (14 km N). An ash plume rose 2 km and drifted NW on 19 September.

At night crater incandescence was noted and windows vibrated. A steam plume rose 2 km and drifted W and NW on 20 September, and ashfall was reported in Runtún (6 km NNE). On 21 September ash plumes rose 2.5 km and drifted NW; ashfall was reported in Manzano (8 km SW), Choglontus (13 km WSW), Bilbao (8 km W), Cusúa, Coltaló, and Motilones. Steam-and-ash plumes rose 2.5 km on 22 September and drifted W to NW. Ash fell in Cevallos, Quero, Mocha, and Tizaleo.

• All news about: Tungurahua volcano
• Information about: Tungurahua volcano

[john pike]

http://volcanoes.usgs.gov/volcanoes/long_valley/long_valley_monitoring_1.html

 

swarm still ongoing

 

648 today and still counting

 

depths between 9km and 4km with the odd shallower ones

 

not seen anything from usgs yet but will post of any updates and what is causing this

 

http://hisz.rsoe.hu/alertmap/site/index.php?pageid=seism_index&rid=434682

 

biggest so far 3.9 @ 6km deep

 

lots of small 1-2 though

 

long valley does get swarms from time to time so maybe nothing

[john pike]

ALASKA VOLCANO OBSERVATORY DAILY UPDATE Thursday, September 25, 2014 12:00 PM PDT (Thursday, September 25, 2014 19:00 UTC)

SHISHALDIN VOLCANO (VNUM #311360)

54°45'19" N 163°58'16" W, Summit Elevation 9373 ft (2857 m)

Current Volcano Alert Level: WATCH

Current Aviation Color Code: ORANGE

Low-level eruptive activity is likely continuing. Elevated surface temperatures were observed at the summit crater in satellite images over the past day. Web camera views were mostly obscured by clouds. Seismicity remains at a low level.

 

http://volcanoes.usgs.gov/activity/status.php

[john pike]

elevated Volcanic Activity and Information Releases Friday, Sep 26, 2014 at 12:21:16 PDT.

The following U.S. volcanoes are known to be above normal background (elevated unrest or eruptions) or have shown activity that warranted an Information Release (for example, an earthquake swarm).

Times are local to the volcano and in military format.

Volcano Alert Levels & Aviation Color Codes defined at http://volcanoes.usgs.gov/activity/alertsystem.

• Kilauea Alert Level=WARNING. Aviation Color Code=ORANGE. As of Sep 26, 2014, 08:42

  Inflationary tilt and small increase in lava lake level at the summit; Lava flow from Puʻu ʻŌʻŠactive near Pahoa Village.

  (Change to current status occurred on Sep 4, 2014 13:45 from Alert Level WATCH and Aviation Color Code ORANGE )

  For more information see http://volcanoes.usgs.gov/activity/archiveupdate.php?noticeid=10801

• Pagan Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Sep 26, 2014, 08:30

  Level of unrest uncertain. Nothing unusual observed in satellite data.

  (Change to current status occurred on Oct 6, 2011 14:21 from Alert Level UNASSIGNED and Aviation Color Code UNASSIGNED )

  For more information see http://volcanoes.usgs.gov/activity/archiveupdate.php?noticeid=10800

• Shishaldin Alert Level=WATCH. Aviation Color Code=ORANGE. As of Sep 25, 2014, 12:00

  Elevated surface temperatures observed at the summit. Low-level eruptive activity likely continues.

  (Change to current status occurred on Mar 28, 2014 14:35 from Alert Level ADVISORY and Aviation Color Code YELLOW )

  For more information see http://volcanoes.usgs.gov/activity/archiveupdate.php?noticeid=10798

• Cleveland Alert Level=ADVISORY. Aviation Color Code=YELLOW. As of Sep 25, 2014, 12:00

  Satellite images and webcam views obscured by clouds. No eruptive activity observed.

  (Change to current status occurred on Jan 10, 2014 13:31 from Alert Level WATCH and Aviation Color Code ORANGE )

  For more information see http://volcanoes.usgs.gov/activity/archiveupdate.php?noticeid=10799

• U.S. Volcano Alerts

[Polar Maritime]

[Pixel]

 

I believe this is the same volcano? filmed at ground level

Edited September 27, 2014 by Pixel

[john pike]

A volcano in central Japan erupted in spectacular fashion on Saturday, catching mountain climbers by surprise and injuring at least 40 people who were stranded in areas that rescue workers have been unable to reach. Another seven people were missing. The injured were in mountain lodges, because they were unable to descend 3,067-metre Mount Ontake on their own, said Sohei Hanamura, a crisis management official in Nagano prefecture. Thirty-two people had serious injuries, including at least seven who lost consciousness. Police, fire and military rescue workers were trying to approach the area on foot, after deciding that the ash in the air made it too dangerous to use helicopters. The ash was also hampering their ascent. Hanamura said seven people were reported missing on the mountain. Lodge managers were familiar with first aid procedures and were communicating with rescue officials in town, he said.

 

http://hisz.rsoe.hu/alertmap/site/index.php?pageid=event_update_read&edis_id=VE-20140927-45436-JPN&uid=15324

 

it looks like that was quite a surprise and obviously not expected

[john pike]

More than 600 small earthquakes have rattled the Mammoth Lakes region in less than 36 hours as ripple effects continued across one of the most seismically active volcanic regions in California, according to the U.S. Geological Survey. The swarm of quakes - ranging from magnitude 1.0 to 3.8 - began just before 5 a.m. Thursday, according to the USGS. "This is one of the largest earthquake swarms we've seen in the past decade or so," said David Shelly, a USGS research seismologist who has been studying the volcanic system near Mammoth Lakes. "We'll be tracking it closely." Residents reported periodic rattles through the day but said they were used to the shaking given that Mammoth is a seismically active area. Earthquake swarms are not uncommon to this region in California's Eastern Sierra. Countless small faults crisscross the area known as the Long Valley Caldera, Shelly said. This roughly 20-mile-wide crater-like depression, adjacent to Mammoth Mountain, was formed from ash and pumice deposits during a volcanic "super eruption" about 760,000 years ago. At 11,053 feet, Mammoth Mountain is a lava dome complex on the southwest rim of the caldera and last erupted about 57,000 years ago. The volcanic region is one of the most seismically active in a mostly quiet network of 17 volcanoes throughout California. The central part of the caldera has been uplifting slowly in recent decades, and these earthquake swarms happen episodically as part of the volcanic and tectonic interactions in the area, Shelly said. Deep down in the earth, there is magma, but the magma is not what's moving, Shelly said. The earthquakes are usually triggered when water and carbon dioxide above the magma move up into higher layers of the earth's crust and into the cracks of the small faults. The increase in fluid pressure sets off the movements.

"It doesn't mean that the volcano is any more active," he said. "It's an ongoing process in an volcanic system." The latest earthquakes seem to be occurring in the same location as a swarm in July, when about 200 quakes of magnitude 2.7 or smaller rocked the area. The size of the most recent swarm was notable, but was not nearly the size of some swarms in the 1980s and 1990s. In the 1980s, the area was hit with multiple 6.0-magnitude temblors, which were likely overshadowed by the Mount St. Helens eruption in Washington state, Shelly said. The last larger swarm occurred in 1997, when temblors as high as magnitude 4.9 shook the region. Thousands of earthquakes were part of that sequence, which lasted several months, Shelly said. There has been no indication that this week's earthquakes will turn into anything like what happened in 1997. About 109 quakes of magnitude 2.0 or greater have been recorded since Thursday morning, while hundreds of smaller 1.0-magnitude quakes made up a bulk of the activity. At least six were greater than 3.0 magnitude. By midday Friday, the swarm seemed to be slowing down, but Shelly said scientists would continue to monitor the area closely. "At this point, we don't know if it would continue to die down, or if there'd be another stage to this swarm," Shelly said. "This is certainly an interesting scientific opportunity to better understand the processes that are driving this activity."

 

 

http://hisz.rsoe.hu/alertmap/site/index.php?pageid=event_desc&edis_id=EQ-20140927-45428-USA

 

http://volcanoes.usgs.gov/volcanoes/long_valley/long_valley_monitoring_1.html

Edited September 27, 2014 by john pike

[karyo]

I believe this is the same volcano? filmed at ground level

Oh my, that's just crazy! Did those guys survive? I would have thought they would die from gas poisoning not to mention the hotness of the ash.

[john pike]

A seven-year-old girl has been killed in the sudden eruption of a mud geyser at a nature reserve in southern Sicily, Italian media reports say, and her nine-year-old brother who was celebrating his birthday remains missing. The two children were walking with their father in the Maccalube nature reserve north of Agrigento when a geyser spewed mud over them on Saturday. The father, a police officer, was uninjured, but the girl's body was found shortly afterward while the boy could not be found, the reports said. He was celebrating his ninth birthday on Saturday, they said. The Maccalube reserve offers an unusual landscape of small mud geysers that erupt sporadically. It was closed for part of August because of intense underground activity, press reports said.

 

http://hisz.rsoe.hu/alertmap/site/index.php?pageid=event_desc&edis_id=UEV-20140927-45439-ITA

[BornFromTheVoid]

Oh my, that's just crazy! Did those guys survive? I would have thought they would die from gas poisoning not to mention the hotness of the ash.

 

Incredible footage. I assume they were ok, they managed to upload to youtube at least! CNN report says just 3 people were injured. Surprised how calm they were, I would have been s**ting it!

[john pike]

Ontake volcano (Japan): large explosion kills at least 1 person, several injured

Saturday Sep 27, 2014 21:59 PM | BY: T

Pyroclastic flow during Ontake volcano's eruption today (Asahi.com)

A large explosive eruption occurred at Japan's second highest volcano today at 12:26 local time. An explosion produced an ash plume that rose approx. 4 km and a large pyroclastic flow that swept down the southwestern flank.
At least one woman was killed by the eruption and several others, approx. 50 persons, were severely injured. The volcano is a popular hiking destination and at the time of the eruption, about 150-200 people were on the volcano.
A temple near the summit area was also strongly affected by the eruption.
Most likely, the eruption was phreatic in nature, i.e. caused by overheated ground water that suddenly exploded into steam and pulverized large amounts of rocks in the conduit.
The last known (and first historic) magmatic eruption on the volcano was between Oct 1979 and April 1980. Small phreatic explosions occurred in 2007.
Impressive video from the eruption (Asahi)

• All news about: On-take volcano
• Information about: On-take volcano

http://www.asahi.com/articles/ASG9W5KFJG9WULBJ00D.html

 

link to video (another one)

Edited September 27, 2014 by john pike

[Beverley Lass]

Sadly I hear over 30 have died as a result if this most sudden explosion.

 

B. 

[Polar Maritime]

Sadly I hear over 30 have died as a result if this most sudden explosion.

 

B. 

 

Yes Bev, http://rt.com/news/191252-japan-volcano-eruption-dead/ The eruption was very unexpected with people out sightseeing on the mountain.

Edited September 28, 2014 by Polar Maritime

[karyo]

Yes Bev, http://rt.com/news/191252-japan-volcano-eruption-dead/ The eruption was very unexpected with people out sightseeing on the mountain.

This highlights the importance of monitoring volcanoes to avoid similar events as much as possible.

[Jax]

Japan volcano rescue finds 31 bodies

[The PIT]

This highlights the importance of monitoring volcanoes to avoid similar events as much as possible.

Unfortunately with this type of Eruption there often isn't any warning at all.

[john pike]

KISO, Japan (AP) — Five more bodies were found near the summit of a Japanese volcano on Monday, bringing the total presumed dead to 36, police said, as toxic gases and ash from the still-erupting mountain forced rescue workers to halt efforts to recover the victims.

 

http://news.msn.com/world/5-more-bodies-found-at-japan-volcano-toll-now-36-1

[john pike]

Increased seismic activity raised concern Tuesday about the possibility of another eruption at a Japanese volcano where 36 people were killed, forcing rescuers to suspend plans to try to recover at least two dozen bodies still near the summit. Volcanic tremors rose to a level not seen since Saturday evening, hours after Mount Ontake's initial large eruption, said Shoji Saito of the Japan Meteorological Agency. The tremor levels were oscillating up and down. "At this point, anything can happen," Saito said, though he stopped short of predicting another large eruption. About 80 to 100 relatives and friends of those who never returned from the summit were waiting for news in a municipal hall in the nearby central Japanese town of Kiso. Rescuers found five more bodies on Monday, bringing the death toll to 36. They have managed to airlift only 12 bodies off the mountain since the start of the eruption on Saturday because of dangerous conditions. There were believed to be at least 250 people on the mountain, a popular hiking destination, when it erupted. How the victims died remains unclear, though experts say it was probably from suffocating ash, falling rocks, toxic gases or some combination of them. Some of the bodies had severe contusions. Survivors told Japanese media that they were pelted by rocks from the eruption. Yuji Tsuno, a veteran mountain photographer, was near the summit. After taking pictures of the initial explosion as ash and debris rained down, he quickly took refuge in a nearby hut, he told the TBS TV network. About 20 minutes later, when the smoke partially subsided, Tsuno rushed out and began his descent. It was a gamble, but he believed it was his only chance, he said. "I almost thought it was the end of my life," he said in the interview. On his way down, he spotted a man heading up. "I told him to go down with me, but he said he had to check on his child up there. I couldn't stop him," Tsuno said. The eruption caught seismologists by surprise. Although somewhat increased seismic activity had been recorded for about two weeks, there were no indications of a major eruption, said Satoshi Deguchi, a Japan Meteorological Agency official in Nagano prefecture. Typical signs, such as increased seismic rattling or underground structural movement, were not detected. The eruption was the first fatal one in modern times at the 10,062-foot mountain, located about 130 miles west of Tokyo. An eruption occurred in 1979, but no one died.

 

http://hisz.rsoe.hu/alertmap/site/index.php?pageid=event_update_read&edis_id=VE-20140927-45436-JPN&uid=15336

[john pike]

http://www.volcanodiscovery.com/volcano-activity/news/48244/Volcanic-activity-worldwide-1-Oct-2014-Stromboli-volcano-Sinabung-Ontake-san-Santiaguito-Fuego.html

 

Volcanic activity worldwide 1 Oct 2014: Stromboli volcano, Sinabung, Ontake-san, Santiaguito, Fuego,...

Wednesday Oct 01, 2014 16:25 PM |

Continuing lava flow ® and overflow of lava (l) this morning at Stromboli (INGV 400m Sciara webcam)

Pyroclastic flow on Sinabung yesterday afternoon (photo: Ricky Febriansyah / â€@RickyFebriand17 / twitter)

Small explosion from Popocatépetl yesterday (CENAPRED)

Stromboli (Eolian Islands, Italy): The eruptive activity has remains more or less unchanged: the lava flow is still active while sporadic explosive activity continues from the summit vents. As lava output rates from the 650 m vent fluctuate, the front of the lava flow, located in the central part of the Sciara del Fuoco since 6 Sep, advances and retreats in the lower part of the Sciara, sometimes almost reaching the sea.
A short-lived overflow of lava to the northern part of the flat area at approx. 600 m occurred this morning.

Heat radiation from the volcano as measured by satellite has been showing a slowly decreasing trend since 22 August, suggesting that the magma discharge rater has been overall declining.
At the summit vents, strombolian-type ash explosions occur from time to time as well as small collapse events modifying the geometry of the various cones present, in particular in the western crater area.


Ontake-san (Honshu): The death toll from Saturday's powerful, and deadly explosion of the volcano has now climbed to 48, press reports. The eruption was a sudden, unexpected (and unpredictable) phreatic explosion, i.e. caused by sudden evaporation of overheated water in the hydrothermal system of the volcano.
It took more than 250 climbers on the mountain, a popular hiking destination, and a sacred place for Japan's religious worshipers, by surprise.
It is unclear whether this eruption is or not a precursor of a possible magmatic eruption in a near to medium future, i.e. caused by fresh magma coming to the surface. While search and rescue operations continue at high intensity, Japan's monitoring scientists are keeping an eye on possible changes that could indicate such a development. On the other hand, it is entirely possible, that the explosion remains a single event with no magmatic eruption following.

Sinabung (Sumatra, Indonesia): The volcano continues to slowly extrude viscous lava feeding the lava lobe on its southeastern flank. Occasional rockfalls, caused by instabilities on the steeper upper parts of the lava flows, continue to occur from time to time and represent a major hazard: Two larger ones occurred yesterday and produced pyroclastic flows that traveled 3.5 km distance to the southeast.
Seismic activity has been generally low along with the persistent effusive activity which has been going on for more than 10 months now.

Dukono (Halmahera): Explosive activity continues at the volcano. An ash plume rising to 7,000 ft (2.1 km) was reported yesterday evening extending 40 km to the NE (Darwin VAAC).

Popocatépetl (Central Mexico): No significant changes have occurred during the past weeks. The volcano's activity has been characterized by constant degassing and occasional small explosions with ash plumes up to 1-2 km height. Crater glow is visible at night from the summit.

Santiaguito (Guatemala): Activity remains mainly effusive and the viscous lava flow on the SE side of the dome continues to advance slowly through the Nima 1 ravine.
No explosions have been observed recently, but bad weather also prevents detailed observations much of the time.

Fuego (Guatemala): The volcano's activity has been fairly stable over the past weeks. Mild to moderate strombolian explosions eject abundant incandescent material to up to 150 m height and produce ash plumes rising up to approx. 800 m.
Stronger explosions are accompanied by shock waves that can be felt in nearby villages. Light ashfall occurrs from time to time in areas up to 12 km downwind.
No lava flow was active this morning.