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Volcanic activity worldwide 10 Sep 2013: Lokon-Empung, Santa María / Santiaguito, Pacaya, Fuego, Kl...

Tue, 10 Sep 2013, 14:10
14:10 PM |
Small steam plume from active Klyuchevskoy volcano this morning
Small steam plume from active Klyuchevskoy volcano this morning
SO2 plume above Dukono volcano today (NOAA)
SO2 plume above Dukono volcano today (NOAA)
Explosion from Lokon this morning (image: David Pyle)
Webcam shot from Yasur showing bomb landing near car park
Webcam shot from Yasur showing bomb landing near car park
Current seismic recording from Veniaminof (VNHG station, AVO)
Current seismic recording from Veniaminof (VNHG station, AVO)
Small eruption from Popo this morning
Small eruption from Popo this morning
Seismic signal from Pacaya today (PCG station, INSIVUMEH)
Seismic signal from Pacaya today (PCG station, INSIVUMEH)
MODIS hot spot data (past 7 days) for Heard volcano (ModVolc, Univ. Hawaii)
MODIS hot spot data (past 7 days) for Heard volcano (ModVolc, Univ. Hawaii)
Kliuchevskoi (Kamchatka): The effusion of a lava flow on the SW flank and strombolian activity at the summit vent continue. Avalanches are being formed from detaching lava blocks from the flow on the steep flow. KVERT reports moderate seismic activity with strong tremor, that obscure the signal from nearby Bezymianny volcano. A large thermal anomaly can be seen on satellite data.
No significant changes in activity was reported for any of the other currently active volcanoes in Kamchatka (growing lava domes at Shiveluch, Kizimen, Bezymianny, weak tremor and possibly still some lava effusion at Tolbachik, strombolian-vulcanian explosions at Karymski, hydrothermal tremor and degassing at Gorely).

Dukono (Halmahera): An elevated SO2 concentration visible on NOAA satellite data above the volcano suggests increased activity from the remote active volcano.

Lokon-Empung (North Sulawesi, Indonesia): More explosions have occurred today (at least 6 so far, at 06:12, 06:55, 07:45, 08:36, 09:51, 15:59), preceded by increased degassing and often followed by continuous ash venting lasting for up to 1-2 hours. Ash plumes rose to elevations of 1-2 km and the Aviation Color code was raised to orange.
Volcanologist David Pyle who is on location shared the attached picture on twitter and several of the explosions could be seen on the VSI webcam, as the following video shows:
... [read more]

Yasur (Tanna Island, Vanuatu): The volcano continues to produce very rhythmic and often intense strombolian explosions. Sometimes (see the following time-lapse video), bombs are ejected to the outer slope and land in or near the car-park area, where extreme caution should be applied. Geohazard maintains status level 2.

Veniaminof (Alaska Peninsula, USA): The eruption continues at moderate levels, as evidenced by continuous seismic tremor and elevated surface temperatures in satellite views. Effusion and fountaining of lava from the active vent are likely ongoing as is low level ash emissions that are, at this time, restricted to an area within a few miles of the vent. (AVO daily update)

Popocatépetl (Central Mexico): Activity has been going on with little changes. The volcano has had about 1-2 weak emissions of steam, gas and small amounts of ash per hour during the past 24 hours.
A short time-lapse from this morning (CENAPRED webcam) shows this activity:
... [read more]

Santa María / Santiaguito (Guatemala): The lava dome has been relatively calm, with only few and weak explosions and small avalanches from the viscous lava flows descending on the flanks of the Caliente dome.

Pacaya (Guatemala): INSIVUMEH reports continuing strombolian activity with explosions every 10 seconds, accompanied by a continuous volcanic tremor signal. Pyroclastic material is thrown to 100-150 m height.

Fuego (Guatemala): Activity has been mild during the past days, with occasional small strombolian-type explosions that eject incandescent material to about 100 m above the crater.
Heavy rains caused lahars (mud flows) into the valley of Las Lajas and El Jute, and possibly also into the Ceniza canyon. Blocks of up to 1-2 meters in diameter were reported to have been carried along in these flows.

Heard (Australia, Southern Indian Ocean): A strong hot spot remains visible at Dawson Peak on Heard island, suggesting that volcanic activity (perhaps in the form of a small lava lake in the crater) continues. No ash plumes or significant degassing plumes have otherwise been detected on satellite data.
Previous news
Mon, 9 Sep 2013, 17:03
Kalapana coastal plain during a pause on Sep 8, 2013.
Lokon-Empung (North Sulawesi, Indonesia): An explosion at 6:30 am (local time) today at Lokon-Empung volcano produced an ash plume that rose to a height of 1.5 km. The explosion was heard 10 km away. ... read all
Sat, 7 Sep 2013, 17:03
Map of recent earthquakes under El Hierro (IGN)
Etna (Sicily, Italy): Last night, very deep-seated strombolian activity could be observed from both the Bocca Nuova and the New SE crater. This indicates that (similarly to early this year) magma has risen into the upper parts of the conduits beneath both vents. It might only be a question of time until this activity increases (perhaps even towards new paroxysms) and maybe becomes focused on one of the two craters. ... read all
Fri, 6 Sep 2013, 13:54
The cone of Klyuchevskoy volcano this morning (note the gas plume from the lava flow)
Etna (Sicily, Italy): Since a few days ago, the New SE crater has been producing weak ash emissions occasionally. Whether this is the precursor to more vigorous activity and when this will occur, is difficult to say at the moment, but it is a sign that the volcano is waking up from the slumber it has been in during the past 4 months. ... read all
Thu, 5 Sep 2013, 17:04
Vulcanian explosion from Sakurajima this morning (JMA)
Sakurajima (Kyushu, Japan): (4 Sep) A moderately large vulcanian explosion occurred this morning, producing significant fallout of lapilli and small bombs in several kilometers distance. Cars parked at the Arimura Lava observatory observation point to the south of the volcano were damages and windshields broken, at a distance of about 4 km. There are no reports of injuries to people. ... read all
Wed, 4 Sep 2013, 11:54
MODIS hot spot data (past 7 days) for Karangetang volcano (ModVolc, Univ. Hawaii)
Etna (Sicily, Italy): A small ash emission was reported to have occurred yesterday morning from the New SE crater. This would likely be the first eruptive activity since the spectacular series of paroxysms in the first months of the year. ... read all

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