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Volcanic activity worldwide 24 Aug 2014: Popocatépetl volcano, Bárdarbunga, Stromboli, Tungurahua

Sunday Aug 24, 2014 14:51 PM |

Thermal image of the upper Sciara del Fuoco of Stromboli
Thermal image of the upper Sciara del Fuoco of Stromboli
Depth vs time of the recent earthquakes
Depth vs time of the recent earthquakes
Updated map showing the location of quakes since the start of the crisis (IMO)
Updated map showing the location of quakes since the start of the crisis (IMO)
Small eruption at Popocatépetl volcano this morning
Small eruption at Popocatépetl volcano this morning
Stromboli (Eolian Islands, Italy): The lava flow continues to be active, but the effusion rate has been more and more unstable and fluctuates a lot. This results in lava flows taking different (often overlapping) paths on the upper portion of the Sciara del Fuoco.
Today, it seems to have almost stopped:


Bárdarbunga (Iceland): Most Icelandic scientist now believe that no eruption occurred yesterday. The seismic activity in turn continues and has been stronger than ever today.

...24 Aug:
IMO believes that the two M5 earthquakes that took place under the caldera of Bárðarbunga volcano during the night were caused by adjustments in response to pressure changes in the plumbing / magma storage system of the volcano as magma is moving.

...24 Aug:
The seismic crisis continues to evolve rapidly. Whether an eruption occurred or not yesterday remains uncertain, but seismic activity is intense, and the likelihood of a more significant eruption increases with each day.
The latest earthquakes have occurred again both directly under the central volcano's caldera and along the now northwards propagating fissure 20-25 km to the NE of it, suggesting that most magma continues to migrate laterally rather than arriving at the surface. Since yesterday, the N-S dike has increased by approx. 5 km length.
... [read more]
...24 Aug:
Tremor has dropped again. A magnitude 5.3 earthquake occurred shortly after midnight at 10 km depth.
There are no clear signs telling whether eruptive activity is still (or had all all been) going on.
IMO writes "Presently there are no signs of ongoing volcanic activity. The aviation color code for the Bárðarbunga volcano remains red as an imminent eruption can not be excluded."

Popocatépetl (Central Mexico): The volcano had a phase of stronger activity this morning, but overall this remains similar to the past months. A discrete explosion ejected an ash plume approx 1 km high and a phase of strong steaming, possibly with some ash emissions, occurred this morning.
Glow remains visible from the crater at night, indicating the continued slow rise of magma to the summit.
... [read more]

Tungurahua (Ecuador): Intermittent explosive activity of moderate size continues at the volcano. An ash emission to flight level 280, i.e. 28,000 ft (8 km) altitude and drifting west was reported today.

Volcano Activity Summary for 24 Aug 2014:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 14 Aug 2013)
Bagana (Bougainville Island, Papua New Guinea): ash emissions, lava dome growth (updated 14 Aug 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 7 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 21 Aug 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 22 Aug 2014)
Ibu (Halmahera, Indonesia): growing lava dome, occasional ash emissions (updated 28 Jul 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, Japan): lava effusion enlarging the new island (updated 28 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 19 Aug 2014)
Sakurajima (Kyushu, Japan): ash venting, intermittent explosions (updated 19 Aug 2014)
Sangeang Api (Indonesia): growing lava dome & lava flow (updated 7 Jul 2014)
Santiaguito (Guatemala): generation of hot lahars (updated 4 Aug 2014)
Semeru (East Java, Indonesia): growing lava dome & lava flow, sporadic explosions (updated 23 Jul 2014)
Shishaldin (United States, Aleutian Islands): small lava lake in summit crater (updated 14 Aug 2014)
Shiveluch (Kamchatka): growing lava dome, incandescent avalanches, occasional explosions (updated 7 Jul 2014)
Sinabung (Sumatra, Indonesia): effusion of viscous lava, steaming, ash emissions (updated 15 Jul 2014)
Slamet (Central Java): strombolian explosions from central crater (updated 14 Aug 2014)
Stromboli (Eolian Islands, Italy): large lava flow on Sciara del Fuoco (updated 24 Aug 2014)
Suwanose-jima (Ryukyu Islands): strombolian activity in summit crater (updated 19 Jun 2014)
Tungurahua (Ecuador): moderate to strong strombolian explosions from central crater (updated 24 Aug 2014)
Ubinas (Peru): degassing, sporadic small explosions and ash venting (updated 22 Aug 2014)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2013)
Zhupanovsky (Kamchatka, Russia): intermittent ash emissions (updated 21 Aug 2014)

Eruption warning / minor activity:

Aso (Kyushu): occasional weak ash emissions (updated 23 Jul 2014)
Bárdarbunga (Iceland): subglacial eruption started 23 Aug (updated 21 Aug 2014)
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): strombolian explosions and lava flow effusion from NSEC (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): possibly lava lake in summit crater (updated 27 May 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): lava extrusion at summit crater, strombolian activity, glowing avalanches (updated 28 Jul 2014)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 3 Jul 2014)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kerinci (Sumatra): seismic unrest (updated 5 Jun 2013)
Krakatau (Sunda Strait, Indonesia): degassing (updated 31 Mar 2014)
Kuchinoerabu-jima (Ryukyu Islands): explosion on 3 Aug 2014 (updated 21 Aug 2014)
Mayon (Luzon Island): slowly growing lava dome (updated 17 Aug 2014)
Medvezhia (Kurile Islands, Russia): strong steaming, thermal anomaly (updated 17 Jan 2013)
Nyamuragira (DRCongo): lava lake in summit crater (updated 4 Aug 2014)
Papandayan (West Java): strong hydrothermal activity, increased seismicity (updated 6 May 2013)
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 24 Aug 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)
Sabancaya (Peru): seismic unrest, fumarolic activity (updated 14 Aug 2014)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 12 Apr 2014)
San Miguel (El Salvador): ash emissions, small explosions, increasing tremor (updated 23 Jul 2014)
Sangay (Ecuador): degassing (updated 24 May 2013)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Location of today's earthquakes showing the propagation of the intrusion to the north
Saturday, Aug 23, 2014
Bárdarbunga (Iceland): Even if Bárðarbunga's eruption continues and breaks the ice, allowing explosions between magma and water/ice to eject significant amounts of ash, most experts agree that a scenario like the Eyjafjallajökull back in 2010 is unlikely to repeat itself. ... [more]
Powerful vulcanian explosion at Ubinas yesterday
Friday, Aug 22, 2014
Fuego (Guatemala): Explosive activity has been relatively high recently. Individual eruptions have been producing ash plumes that rose to up to 1 km and incandescent material was seen rising 150-200 m above the crater. ... [more]

Thursday, Aug 21, 2014
Stromboli (Eolian Islands, Italy): Lava continues to flow from the fissure vent at the base of the NE crater. Compared to the first week, the effusion rate has become more unstable, causing several surges and intervals of strongly decreasing activity. ... [more]
Road map of the closed area near Bardarbunga volcano
Wednesday, Aug 20, 2014
Bárdarbunga (Iceland): (20 Aug) The situation remains the same as yesterday. The earthquake swarm continues at high intensity. The quakes are clustered in an area 20 km east of the Bárdarbunga volcano's caldera under the ice cap and at shallow depths of 10-1 km. ... [more]
The active lava flow on Stromboli's upper Sciara del Fuoco (INGV thermal webcam)
Tuesday, Aug 19, 2014
Stromboli (Eolian Islands, Italy): Lava flow activity continues. However, the recent surge in lava effusion seems to have considerably lost strength compared to yesterday. ... [more]

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