Volcano Discovery Wednesday Oct 30, 2013 19:03 PM |
Map of recent earthquakes under Etna
Etna (Sicily, Italy): The volcano has been very calm (except degassing) since the last weak ash emissions from the New SE crater observed on Sunday.
However, an interesting cluster of earthquakes has been occurring during the past days. The quakes were located in two areas under the western and northern flanks at depths around 25-30 km, respectively.
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Volcano Activity Summary for 30 Oct 2013:
Currently erupting:
Ambrym (Vanuatu): active lava lakes in several craters (updated 16 Sep 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 3 Oct 2013)
Barren Island (Indian Ocean): new eruption in mid October 2013 (updated 17 Oct 2013)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 10 Oct 2013)
Chirinkotan (Northern Kuriles): unspecified activity - possibly lava flows (updated 2 Sep 2013)
Cleveland (Aleutian Islands, Alaska): continuous small eruptions (updated 6 May 2013)
Colima (Western Mexico): lava flow on upper eastern flank (updated 19 Jul 2013)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 23 Oct 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)
Etna (Sicily, Italy): paroxysm at New SE crater on 26 Oct 13 (updated 26 Oct 2013)
Fuego (Guatemala): lava flow on upper southern flank, small to moderate explosions (updated 22 Oct 2013)
Ibu (Halmahera, Indonesia): growing lava dome, seismic unrest (updated 23 Oct 2013)
Jebel Zubair (Red Sea): submarine eruption started 28 Sep 2013 (updated 17 Oct 2013)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 23 Oct 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 13 Aug 2013)
Kizimen (Kamchatka): growing lava dome and incandescent rock avalanches (updated 15 Oct 2013)
Klyuchevskoy (Kamchatka): ash emissions to 20-30,000 ft, lava fountains, lava flows (updated 22 Oct 2013)
Marapi (Western Sumatra, Indonesia): occasional weak explosions (updated 14 Aug 2013)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 12 Jun 2013)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Pacaya (Guatemala): strombolian activity and lava flow (updated 22 Oct 2013)
Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 12 Aug 2013)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): explosions and ash emissions (updated 1 Oct 2013)
Reventador (Ecuador): ash explosions, occasional pyroclastic flows (updated 17 Oct 2013)
Sakurajima (Kyushu, Japan): constant ash emissions and strong explosions (updated 28 Oct 2013)
Santa María / Santiaguito (Guatemala): Santiaguito volcano (Guatemala): lava flow on south flank of dome becomes more active (updated 22 Oct 2013)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 18 Oct 2013)
Shiveluch (Kamchatka): slow dome growth, occasional explosions and pyroclastic flows (updated 22 Oct 2013)
Sinabung (Sumatra, Indonesia): ash emissions and explosions (updated 27 Oct 2013)
Stromboli (Eolian Islands, Italy): continuing lava overflows (updated 25 Oct 2013)
Suwanose-jima (Ryukyu Islands): Mt Ontake volcano of Suwanose-jima Island, Japan (updated 12 Sep 2013)
Telica (Nicaragua): normal (low) seismic activity (updated 26 Sep 2013)
Tungurahua (Ecuador): strombolian activity, strong ash emissions (updated 19 Oct 2013)
Ulawun (New Britain, Papua New Guinea): steaming, degassing (updated 1 Oct 2013)
Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 10 Sep 2013)
Zhupanovsky (Kamchatka, Russia): new explosive activity since 23 Oct (updated 24 Oct 2013)
