2013-07-03



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.

Pavlov (Alaska Peninsula, USA): Over the past two days, the eruptive activity at Pavlof has greatly declined and AVO reduced the Aviation Color Code back to Yellow and the Volcano Alert Level to Advisory.

Seismic tremor and small discrete explosions are no longer detected in seismic and pressure sensor data. Satellite observations show no evidence of elevated surface temperatures, volcanic gas, or ash emissions. There have been no visual observations from pilots or from webcam images of any eruptive activity since June 26. – Volcano Discovery

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 28 Jun 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 1 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 12 Jun 2013)

Kizimen (Kamchatka): growing lava dome, lava flow on eastern flank, avalanches (updated 1 Jul 2013)

Lokon-Empung (North Sulawesi, Indonesia): frequent small to moderate ash explosions (updated 6 May 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)

Paluweh (off Flores Island, Indonesia): active growing lava dome (updated 20 Jun 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 1 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 1 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 1 Jul 2013)

Yasur (Tanna Island, Vanuatu): strong strombolian activity (level 3), crater currently closed (updated 29 May 2013)

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