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Volcanic activity worldwide 5 Jul 2013: Santa María / Santiaguito, Pacaya, Fuego, Popocatépetl, Sh...

Friday Jul 05, 2013 15:38 PM |

SO2 plume from Ambrym volcano (NOAA)
SO2 plume from Ambrym volcano (NOAA)
Map of the current lava flows on Kilauea (HVO daily update)
Map of the current lava flows on Kilauea (HVO daily update)
MODIS hot spot data for Veniaminof volcano showing the area of fresh lava flows (ModVolc, Univ. Hawaii)
MODIS hot spot data for Veniaminof volcano showing the area of fresh lava flows (ModVolc, Univ. Hawaii)
SO2 plume from Popocatépetl yesterday (NOAA)
SO2 plume from Popocatépetl yesterday (NOAA)
View of Santiaguito with a small explosion this morning
View of Santiaguito with a small explosion this morning
This morning's seismic recording at Telica (TELN station, INETER)
This morning's seismic recording at Telica (TELN station, INETER)
Recent earthquakes near Momotombo volcano
Recent earthquakes near Momotombo volcano
Ash emissions from Galeras on 3 July (INGEOMINAS)
Ash emissions from Galeras on 3 July (INGEOMINAS)
Kizimen (Kamchatka): The lava dome continues to grow and produce hot avalanches on the western and eastern volcanic flanks. KVERT reports moderate seismicity

Shiveluch (Kamchatka): Activity of the growing lava dome after the recent larger collapse on 27 June has remained elevated. Smaller rockfalls and possibly explosions have occurred over the past days, possibly as a result of re-adjustments of the young collapse scar. Several minor ash plumes have been detected by VAAC Tokyo.

Tolbachik (Kamchatka): The explosive-effusive eruption continues with lava flows from the southern fissure on Tolbachinsky Dol. KVERT mentions in its weekly update last night that several cinder cones are growing at the vent.

Lokon-Empung (North Sulawesi, Indonesia): Following several weeks of relative calm, the volcano produced another small ash eruption today. According to local newspapers, an explosion occurred at 12:43 local time and ejected bombs and blocks to up to 700 m height. A small ash plume drifted to the SSW.

Ambrym (Vanuatu): Activity at the lava lakes remains strong. A significant SO2 plume was visible today on satellite data.

Mauna Loa (Big Island, Hawai'i): Very weak unrest in the form of inflation and seismic activity continues at the largest active volcano of our earth, which has not erupted since 1984. However, this activity is not strong enough to justify a raise of the alert level from green "normal" to yellow "unrest". There is currently no sign that Mauna Loa will erupt any time soon.
HVO reports in its monthly update:
... [read more]

Kilauea (Hawai'i): The eruption continued with no significant changes over the past weeks. The level of lava inside the Halema'uma'u crater rises and falls with the inflation-deflation cycles, but overall continues to rise very slowly.
The two lava flow fields fed from Pu'u 'O'o remained active. The Kahauale`a 2 lava continued burning forest to the north of the rift axis. Southeast of Pu`u `O`o, the Peace Day flow had minor active breakouts near the base of the pali and mid-way across the coastal plain.
... [read more]

Veniaminof (Alaska Peninsula, USA): Small lava flows continue to be erupted from the intra-caldera cone, as seismic data (nearly continuous, low-level volcanic tremor) and satellite data indicate that show a hot spot around the cone. No significant explosive activity has been detected.

Pavlov (Alaska Peninsula, USA): No further eruptive activity has been observed.

Popocatépetl (Central Mexico): The intensity of the current eruptive phase has been easing a bit during the night. Explosions and gas and ash emissions have become more intermittent, but still produce plumes reaching 3-4 km above the volcano.
Tremor has been occurring in phases of medium to strong intensity, lasting one to several hours, but showing an overall decreasing trend over the past 24 hours. More volcanic-tectonic earthquakes have been recorded as well, which indicates that the eruption is far from over.
... [read more]

Santa María / Santiaguito (Guatemala): INSIVUMEH reports no changes in activity. The Caliente dome shows abundant degassing and a few weak to moderate explosions expelling columns of gray ash to heights of up to about 600 m above the dome and drifting for 10 km to the west over the area of ​​the villages San Marcos and Loma Linda Palajujoj.
The southern lava flow on the side of the dome is active with avalanches of blocks.

Pacaya (Guatemala): Weak to moderate strombolian activity from the Mackenney crater continues. The small intracater cone has grown to about 25 m height, INSIVUMEH reported. Some explosions can be heard in up to 5 km distance.

Fuego (Guatemala): No significant changes have occurred recently, but heavy rainfalls caused some lahars in the canyons Las Lajas and El Jute yesterday.
Volcanic activity consists of small to modest explosions with ash plumes up to about 600 m above the crater and drifting for 10 km or so. Some of the explosions produce shock waves that rattle windows and roofs in the villages of Sangre de Cristo, Panimaché, Morelia and others in the area.

Telica (Nicaragua): The earthquake swarm continues with increasing frequency of mostly very small earthquakes, up to magnitudes 2-2.5.
INETER has not updated on the volcano, which suggests that they do not expect an eruption.

Momotombo (Nicaragua): Shallow, possibly volcanic earthquakes continue to occur frequently in two areas near Momotombo volcano: the first cluster is located under the SE slope under the the shoreline of Lago de Nicaragua, the second at about 2-3 km depth 10 km to the NW near the older volcanic El Hoyo. volcanic complex.

Galeras (Colombia): Activity has recently picked up somewhat. New small ash emissions were again observed on 3 July. A faint SO2 plume is visible on NOAA satellite data.

Volcano Activity Summary for 5 Jul 2013:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 5 Jul 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 7 Jun 2013)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 3 Jun 2013)
Cleveland (Aleutian Islands, Alaska): continuous small eruptions (updated 6 May 2013)
Colima (Western Mexico): frequent explosions from growing lava dome, glowing rockfalls and small pyroclastic flows (updated 25 Apr 2013)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 2 May 2013)
Erebus (Antarctica): active lava lake in summit crater (updated 21 Jan 2012)
Erta Ale (Ethiopia): active lava lake in northern pit crater, active hornito with intermittend flow in southern crater (updated 11 Jan 2013)
Fuego (Guatemala): strombolian activity, new lava flow on upper southern flank (updated 5 Jul 2013)
Gamalama (Halmahera): ash eruptions since 17 Sep (updated 17 Sep 2012)
Grozny (Iturup Island): fumarolic activity (updated 3 Apr 2013)
Heard (Australia, Southern Indian Ocean): possible lava lake in summit crater (updated 2 May 2013)
Karkar (Northeast of New Guinea): possible ash eruption on 1 February (updated 15 Mar 2013)
Kilauea (Hawai'i): lava lakes in Halemau'uma'u and Pu'u 'O'o, lava flows on coastal flat and weakly active ocean entries (updated 5 Jul 2013)
Kizimen (Kamchatka): growing lava dome, lava flow on eastern flank, avalanches (updated 5 Jul 2013)
Lokon-Empung (North Sulawesi, Indonesia): occasional ash explosions (updated 5 Jul 2013)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 12 Jun 2013)
Ol Doinyo Lengai (Tanzania): spattering and lava flows of natrocarbonatite lava inside the summit crater (updated 9 Dec 2012)
Pacaya (Guatemala): weak to moderate strombolian activity (updated 5 Jul 2013)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 20 Jun 2013)
Popocatépetl (Central Mexico): near continuous explosions (updated 5 Jul 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): ash emissions, small explosions (updated 14 Mar 2013)
Sakurajima (Kyushu, Japan): 0-3 weak to moderate vulcanian-style explosions per day, ash clouds up to 2-3 km altitude (updated 25 Jun 2013)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 5 Jul 2013)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 25 Jul 2012)
Shiveluch (Kamchatka): slow dome growth, occasional explosions and pyroclastic flows (updated 5 Jul 2013)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 6 Jun 2013)
Tinakula (Santa Cruz Islands, Solomon Islands): increased activity at the volcano (updated 8 Feb 2013)
Tolbachik (Kamchatka): effusion of fluid lava flows (updated 5 Jul 2013)
Veniaminof (Alaska Peninsula, USA): effusion of lava flows (updated 5 Jul 2013)
Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 29 May 2013)

Eruption warning / minor activity:

Bezymianny (Central Kamchatka Depression): slow lava flow extrusion from dome (updated 10 Jun 2013)
Chirpoi (Kurile Islands, Russia): thermal anomaly at summit crater, steaming (updated 9 Jan 2013)
Dieng (Central Java): increased degassing (updated 28 Mar 2013)
Etna (Sicily, Italy): steaming, degassing (updated 3 Jul 2013)
Galeras (Colombia): sporadic ash emissions (updated 5 Jul 2013)
Gamkonora (Halmahera): seismic swam, minor ash emissions (updated 27 May 2013)
Gaua (Vanuatu): possible ash eruption on 29 april (updated 29 Apr 2013)
Ibu (Halmahera, Indonesia): growing lava dome, seismic unrest (updated 9 Jun 2013)
Karangetang (Siau Island, Sangihe Islands, Indonesia): hot spot visible at the summit (updated 9 Apr 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 4 Apr 2013)
Kerinci (Sumatra): occasional ash explosions (updated 5 Jun 2013)
Kikai (Ryukyu Islands): steaming at summit crater of Iodake, occasional weak glows (updated 5 Jun 2013)
Kirishima (Kyushu): degassing, slightly increased seismic activity (updated 30 Jul 2012)
Krakatau (Sunda Strait, Indonesia): occasional explosions (updated 27 Jun 2013)
Langila (New Britain, Papua New Guinea): occasional ash explosions (updated 11 Feb 2013)
Manam (Papua New Guinea): strombolian explosions, lava flow on southern flank (updated 25 Jun 2013)
Marapi (Western Sumatra, Indonesia): intermittent mild ash explosions (updated 17 Mar 2013)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Merapi (Central Java): slowly growing lava dome, occasional small explosions (updated 15 Jun 2013)
Nevado del Ruiz (Colombia): sporadic ash emissions (updated 20 Jun 2013)
Nyamuragira (DRCongo): Fort dégazage du cratère sommital (updated 27 Apr 2012)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Poas (Costa Rica): Small phreatic explosions on 29 October (updated 1 May 2013)
Rasshua (Central Kuriles)
Reventador (Ecuador): steam and ash emissions (updated 1 Jul 2013)
Rincón de la Vieja (Costa Rica): small phreatic eruption on 11 April (updated 6 Oct 2012)
Sabancaya (Peru): seismic unrest (updated 11 Jun 2013)
Sacabaya (Northern Chile, Bolivia and Argentina)
Sangay (Ecuador): no recent explosions reported (updated 24 May 2013)
Suwanose-jima (Ryukyu Islands): steaming, occasional weak eruptions, elevated seismicity (updated 23 Feb 2013)
Tungurahua (Ecuador): seismic unrest (updated 30 Jun 2013)
Turrialba (Costa Rica): ash venting, strong degassing (updated 22 May 2013)
Ulawun (New Britain, Papua New Guinea): ash emissions and rumblings heard (updated 23 Mar 2013)
Villarrica (Central Chile): weak deep-seated explosive activity, steaming (updated 20 Jan 2013)

Vorig nieuws
Eruption from Popocatepétl this morning
Thursday, Jul 04, 2013
Popocatépetl (Central Mexico): A phase of strong eruptive activity has started last night and is continuing with frequent explosions that eject incandescent bombs onto the upper outer slope and create a plume of gas and ash rising 3-4 km above the volcano to flight level 250 (25,000 ft). ... [meer...]
Location of recent quakes under Etna volcano
Wednesday, Jul 03, 2013
Etna (Sicily, Italy): A small swarm of earthquakes has occurred yesterday under the volcano's eastern flank near the town of Milo. INGV Catania has recorded several quakes around magnitude 0.7-1.3 at depths between 5-9 km. ... [meer...]
Seismic recording from Momotombo volcano yesterday (MOMN station, INETER)
Tuesday, Jul 02, 2013
Momotombo (Nicaragua): A seismic swarm has been occurring at the volcano during the past 24 hours, including a magnitude 3.0 earthquake yesterday. This could indicate a magmatic intrusion happening at depth, but so far, no unusual surface activity has been noted. ... [meer...]
GPS-measured deformation of HEKR station (Univ. Iceland), north of the volcano
Monday, Jul 01, 2013
Hekla (Iceland): The trend of rapid inflation that started in April has not continued, but was partly reverted and significant deformation has stopped for now. Nothing suggests for now that an eruption is imminent, but Hekla is known for providing close to no (seismic) warning before eruptions. ... [meer...]
Sunday, Jun 30, 2013
Tungurahua (Ecuador): IGPEN reports an increase of seismic activity over the past days which might herald a new phase of activity in the near future. ... [meer...]

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