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Volcanic activity worldwide 4 Jul 2014: Stromboli, Ambang, Slamet

Fri, 4 Jul 2014, 21:00
21:00 PM |
This afternoon's new lava flow on the Sciara del Fuoco
This afternoon's new lava flow on the Sciara del Fuoco
Stromboli's new lava flow this morning (INGV webcam)
Stromboli's new lava flow this morning (INGV webcam)
Number of seismic signals related to explosions (letusan), ash/steam venting (hembusan), shallow (dangkal) and other volcanic earthquakes, as well as local and distant tectonic events over the past months and corresponding alert statuses at the volcano (VSI)
Number of seismic signals related to explosions (letusan), ash/steam venting (hembusan), shallow (dangkal) and other volcanic earthquakes, as well as local and distant tectonic events over the past months and corresponding alert statuses at the volcano (VSI)
Stromboli (Eolian Islands, Italy): A second, powerful surge of lava, again from the NE vent, started short time ago and has been feeding a new lava flow that quickly descended several 100 meters the upper Sciara del Fuoco (s. video below).
The first flow from earlier today, that had started at around 04:50 local time, had in the meanwhile decreased and eventually stopped in the hours after 12:00.
... [read more]
...4 Jul:
A new and relatively well-fed lava flow started to flow onto the Sciara del Fuoco early this morning (from around 4:45 local time). The vent of the overflow is again the NE hornito.
At the moment, the flow is still active and has a length of approx 2-300 m on the upper Sciara beneath the NE crater.

Slamet (Central Java): According to the latest report by VSI, both the number of explosions observed and corresponding seismic signals have increased over the past days.
17 eruptions were observed during 1-2 July, compared to 14 during 15-30 June. Ash plumes have been rising up to 1,4 km above the crater and glow / incandescent material was occasionally observed.
The intensity of current activity at Slamet is still within the range of level 2 on a scale of 1-4 (Waspada:"watch"), comparable to March-April. VSI warns that explosions could eject lava bombs to up to 2 km distance.

Ambang (North Sulawesi & Sangihe Islands): A swarm of volcanic earthquakes that started yesterday under the volcano prompted VSI to raise the alert status from normal to waspada (2 on a scale of 1-4).
During 3 July, 62 volcanic quakes were detected, compared to averaged of 1-2 per day during the previous weeks. A light steam plume could be observed from the volcano's summit.
The remote volcano had its last eruption in 2005, when phreatic explosions occurred.

Volcano Activity Summary for 4 Jul 2014:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
Bagana (Bougainville Island, Papua New Guinea): ash explosions (updated 27 May 2014)
Barren Island (Indian Ocean): intermittent activity, likely strombolian-type and/or lava flows (updated 4 Feb 2014)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 3 Jul 2014)
Colima (Western Mexico): extrusion of lava flow from summit, intermittent explosions (updated 10 Apr 2014)
Dukono (Halmahera): thermal anomaly, probably small explosive activity in summit crater (updated 28 Jun 2014)
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 explosions from summit crater, intermittent lava flows (updated 3 Jul 2014)
Ibu (Halmahera, Indonesia): growing lava dome, occasional ash emissions (updated 30 Mar 2014)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 13 Aug 2013)
Lokon-Empung (North Sulawesi, Indonesia): small explosions, lava flow? (updated 25 Jul 2013)
Manam (Papua New Guinea): degassing, occasional ash venting (updated 28 Aug 2013)
Marapi (Western Sumatra, Indonesia): sporadic explosions (updated 27 Mar 2014)
Nasu (Honshu)
Nishino-shima (Volcano Islands): lava effusion enlarging the new island (updated 30 Jun 2014)
Nyamuragira (DRCongo): lava lake in summit crater (updated 3 Jul 2014)
Nyiragongo (DRCongo): active lava lake in summit crater (updated 26 Feb 2014)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Reventador (Ecuador): ash emissions, explosions (updated 2 Jul 2014)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 29 Jun 2014)
Sangeang Api (Indonesia): growing lava dome & lava flow (updated 23 Jun 2014)
Santa María / Santiaguito (Guatemala): generation of hot lahars (updated 3 Jul 2014)
Semeru (East Java, Indonesia): growing lava dome, ash venting and small to moderate explosions (updated 25 Jul 2012)
Shiveluch (Kamchatka): growing lava dome, incandescent avalanches, occasional explosions (updated 1 Jul 2014)
Slamet (Central Java): strombolian explosions from central crater (updated 4 Jul 2014)
Stromboli (Eolian Islands, Italy): strombolian explosions from summit crater, intermittent lava flows (updated 4 Jul 2014)
Suwanose-jima (Ryukyu Islands): strombolian activity in summit crater (updated 19 Jun 2014)
Ubinas (Peru): degassing, sporadic small explosions and ash venting (updated 3 Jul 2014)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): ash emissions (updated 19 Jun 2014)

Eruption warning / minor activity:

Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Chirpoi (Kurile Islands, Russia): hot spot visible on satellite imagery (updated 1 May 2014)
Etna (Sicily, Italy): continuing weak strombolian activity from NSEC (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 27 May 2014)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 3 Jul 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kelud (East Java): steaming, activity at crater unknown (updated 2 Mar 2014)
Kerinci (Sumatra): seismic unrest (updated 5 Jun 2013)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): currently calm (updated 1 Jul 2014)
Piton de la Fournaise (La Réunion): short-lived eruption during 21-22 June (updated 23 Jun 2014)
Poas (Costa Rica): occasional small phreatic explosions, intense degassing (updated 23 Jun 2014)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 3 Jul 2014)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): weak ash explosions (updated 26 Aug 2013)
Rasshua (Central Kuriles)
Raung (East Java): strombolian activity in summit crater (updated 5 Aug 2013)
Rincón de la Vieja (Costa Rica): small phreatic eruption on 11 April (updated 6 Oct 2012)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 12 Apr 2014)
San Miguel (El Salvador): gas and ash emissions (updated 2 Jul 2014)
Sangay (Ecuador): degassing (updated 24 May 2013)
Shishaldin (United States, Aleutian Islands): possibly lava fountaining episodes in summit crater (updated 1 Jul 2014)
Sinabung (Sumatra, Indonesia): effusion of viscous lava, steaming, ash emissions (updated 3 Jul 2014)
Soputan (North Sulawesi, Indonesia): degassing, seismic crisis, eruption warning (updated 1 May 2014)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Wed, 2 Jul 2014, 16:09
The crater terrace of Stromboli this morning (Pizzo webcam, INGV Catania).
Stromboli (Eolian Islands, Italy): The activity, although still quite intense for Stromboli standards, has decreased. No new or only very small lava overflows occurred from the vents. ... read all
Tue, 1 Jul 2014, 15:32
Lava overflow from Stromboli's NE vent inside the crater terrace
Stromboli (Eolian Islands, Italy): The activity at the volcano remains at similar elevated levels with strong spattering, intense strombolian explosions and lava overflows. ... read all
Mon, 30 Jun 2014, 15:38
Webcam images of the lava flow on Stromboli's Sciara del Fuoco this night and morning
Stromboli (Eolian Islands, Italy): Activity at the volcano increased further and produced several lava overflows both inside the crater and on the upper Sciara del Fuoco. At the moment, the latter one is still active and has a length of approx. 200 m. ... read all
Sun, 29 Jun 2014, 21:00
Eruption at Stromboli this morning (INGV Pizzo webcam)
Stromboli (Eolian Islands, Italy): Activity remains elevated. A high level of magma causes continuous spattering and many strombolian eruptions from several vents on the crater terrace: ... read all
 

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