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Volcanic activity worldwide 14 Aug 2016: Santiaguito volcano, Colima, Popocatépetl, Shiveluch, Duko...

Sunday Aug 14, 2016 19:25 PM |

Map of today's active volcanoes
Map of today's active volcanoes
KVERT webcam image showing the first pyroclastic flow at Shiveluch yesterday
KVERT webcam image showing the first pyroclastic flow at Shiveluch yesterday
Glow and steam plume from Suwanosejima this morning (JMA webcam)
Glow and steam plume from Suwanosejima this morning (JMA webcam)
Dukono's ash plume seen on today's Terra satellite image
Dukono's ash plume seen on today's Terra satellite image
Today's Terra satellite image of Tanna Island, showing a gas plume with possible ash content from Yasur
Today's Terra satellite image of Tanna Island, showing a gas plume with possible ash content from Yasur
Aoba volcano Aqua satellite image from today showing what is perhaps a steam plume stretching west
Aoba volcano Aqua satellite image from today showing what is perhaps a steam plume stretching west
Eruption at Colima volcano this morning
Eruption at Colima volcano this morning
Explosion at Popocatépetl this morning (CENAPRED webcam)
Explosion at Popocatépetl this morning (CENAPRED webcam)
Eruption plume from Santiaguito's explosion this morning (image: CONRED)
Eruption plume from Santiaguito's explosion this morning (image: CONRED)
Shiveluch (Kamchatka): The activity of the volcano remains essentially unchanged at currently low to moderate levels. The slow growth of the lava dome continues as viscous (sticky) lava accumulates in the dome. A (small) part of the inherently unstable dome collapsed yesterday morning and generated a pyroclastic flow that traveled down the SW valley between the dome and the remnants of the 1964 collapse scar, which forms a horse-show shaped wall around the dome.
The flow reached approx. 1500 m length and was 300-400 m wide. A second flow of similar size occurred immediately after. The resulting ash plume rose approx. 1 km.

Suwanose-jima (Ryukyu Islands): The volcano's activity has picked up again. Since yesterday, webcam images show constant red glow and intense degassing as well as intermittent ash emissions some of which have also been reported by Tokyo VAAC.
Most likely, a new phase of intense strombolian activity is currently taking place at the active O-Take crater on the remote island.

Dukono (Halmahera): Continuous ash emissions have been observed during the past days. Satellite images show a plume extending into various directions (to the east today).
In short, the intense activity of the volcano (one of the most active of Indonesia) observed also during recent visits by various people seems to continue.

Yasur (Tanna Island, Vanuatu): Wellington VAAC reports ash plumes, mostly confined to Tanna Island, visible on satellite imagery today. This suggests that activity at the volcano is elevated at the moment. It is urrently at GeoHazard's level 2, on a scale of 0-5 (5 being highest), meaning that "volcanic explosions remain intense, volcanic bombs may fall in and/or around the crater and volcanic gas and ashes can also affect some villages."
Yasur is one of the few in the world with persistent strombolian activity, is elevated at the moment. We will visit the volcano again in September and report from on location.

Aoba (Vanuatu): Wellington VAAC received a pilot report of plumes of white steam and ash rising 1000 ft (300 m) above the active crater lake Voui this morning. This could suggest that perhaps some phreatic explosions have taken place, but it is far from certain whether the volcano (with almost no monitoring on ground) is about to erupt or not.
The remote location of the volcano's large caldera and its extremely difficult make direct observations very rare.
... [read more]

Colima (Western Mexico): The volcano's activity seems to have picked up a little bit. Several explosions occurred today, producing ash plumes that rose to up to 14-18,000 ft (4-6 km) altitude and dispersed into westerly directions.
During intervals between eruptions, degassing is visible from several vents inside the summit crater (where a small lava dome is likely continuing to grow slowly).
... [read more]

Popocatépetl (Central Mexico): The volcano's activity has been essentially unchanged over the past week. On average, 2-4 explosions have been occurring daily - mostly small events with plumes less than 1 km tall - and about 50-100 pulses of steam emissions ("exhalations").
Glow at night visible from the crater indicates that magma continues to slowly rise and accumulate there. The official alert level remains at "Yellow Phase 2".

Santiaguito (Guatemala): The series of strong vulcanian explosions continues although they hve become rarer. This morning, another one occurred that produced a mushroom-shaped eruption column that rose to approx. 18,000 ft (6 km) altitude.
Partially collapsing parts of the eruption column generated moderately large pyroclastic flows on the eastern side and perhaps on the SW slope of the lava dome as well. As usual, ash falls have occurred in nearby towns and villages such as San Felipe and Mazatenango Retalulehu.

Volcano Activity Summary for 14 Aug 2016:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 12 Jul 2016)
Batu Tara (Sunda Islands, Indonesia): strombolian explosions, ash plumes up to 500 m, extrusion of a small lava dome with rockfalls (updated 28 Nov 2015)
Bromo (East Java, Indonesia): intermittent mild ash emissions (updated 2 Aug 2016)
Colima (Western Mexico): intermittent mild to moderate explosions (updated 14 Aug 2016)
Copahue (Chile/Argentina): strombolian activity from new intra-crater cone (updated 4 Jul 2016)
Dukono (Halmahera): mild strombolian activity, continuous intense ash emissions (updated 14 Aug 2016)
Erebus (Antarctica): active lava lake in summit crater (updated 8 Dec 2014)
Erta Ale (Danakil depression, Ethiopia): overflowing lava lake (updated 2 Mar 2016)
Fuego (Guatemala): lava flows on S and W flanks, lava fountaining from summit vent (updated 30 Jul 2016)
Gamalama (Halmahera): small ash eruption on 3 Aug 2016 (updated 5 Aug 2016)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 29 Oct 2015)
Kilauea (Hawai'i): new surface lava flows from breakouts N and NE of Puu Oo since 24 May 2016 (updated 28 Apr 2015)
Klyuchevskoy (Kamchatka): strombolian explosions in summit crater, active lava flows on SE flank (updated 10 Aug 2016)
Masaya (Nicaragua): active lava lake ini summit crater (updated 12 Jul 2016)
Nevado del Ruiz (Colombia): intermittent mild to moderate ash emissions (updated 29 Jul 2016)
Nevados de Chillán (Central Chile): sporadic ash emissions (updated 10 Aug 2016)
Nyiragongo (DRCongo): new vent on crater floor (updated 1 Jun 2016)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Pacaya (Guatemala): strombolian explosions (updated 29 Jul 2016)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 14 Aug 2016)
Reventador (Ecuador): lava flow on SW flank (updated 8 Aug 2016)
Sakurajima (Kyushu, Japan): sporadic vulcanian explosions from Minamidake and Showa crater (updated 25 Jul 2016)
Sangay (Ecuador): mild strombolian activity in summit crater (updated 20 May 2016)
Santiaguito (Guatemala): intermittent strong explosions from growing Caliente dome (updated 14 Aug 2016)
Semeru (East Java, Indonesia): growing lava dome, mild strombolian activity in summit crater (updated 29 Jul 2016)
Shiveluch (Kamchatka): growing lava dome (updated 14 Aug 2016)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 8 Aug 2016)
Stromboli (Eolian Islands, Italy): weak, intermittent strombolian explosions (updated 23 May 2016)
Suwanose-jima (Ryukyu Islands): steaming, occasional ash emissions from On-take crater (updated 14 Aug 2016)
Turrialba (Costa Rica): near-continuous ash emissions (updated 25 Jul 2016)
Villarrica (Central Chile): lava lake in summit crater, spattering, strombolian explosions (updated 4 Apr 2016)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 14 Aug 2016)

Eruption warning / minor activity:

Alaid (Northern Kuriles): strombolian activity and lava flows in summit crater (updated 21 Jul 2016)
Aoba (Vanuatu): steaming, possible ash emissions (updated 14 Aug 2016)
Aso (central Kyushu, Japan): degassing, sporadic steam / ash explosions (updated 8 Mar 2016)
Awu (North Sulawesi & Sangihe Islands): seismic unrest, eruption warning (updated 13 May 2016)
Bagana (Bougainville Island, Papua New Guinea): intermittent mild ash emissions (updated 5 Aug 2016)
Barren Island (Indian Ocean): weak thermal hot spot (updated 3 Mar 2016)
Bezymianny (Central Kamchatka Depression): steaming (updated 30 Jul 2016)
Brava (Cape Verde)
Bristol Island (United Kingdom, South Sandwich Is): eruption seems to have ended (updated 8 Aug 2016)
Bulusan (Luzon Island, Philippines): degassing (updated 29 Jul 2016)
Canlaon (Central Philippines): degassing, sporadic ash emissions (updated 29 Jul 2016)
Cerro Negro (Nicaragua): increased earthquake activity (updated 16 Feb 2016)
Chirpoi (Kurile Islands, Russia): degassing, steaming (updated 29 Jul 2016)
Etna (Sicily, Italy): weak strombolian activity in Voragine summit crater (updated 19 Apr 2014)
Heard (Australia, Southern Indian Ocean): strombolian activity, lava flow from Mawson Peak summit crater (updated 1 Feb 2016)
Karangetang (Siau Island, Sangihe Islands, Indonesia): rockfalls, glowing lava dome (updated 13 Jan 2016)
Karymsky (Kamchatka): weak activity (rare explosions?) (updated 16 Jun 2016)
Langila (New Britain, Papua New Guinea): ash emissions (updated 13 May 2016)
Lokon-Empung (North Sulawesi, Indonesia): seismic unrest, eruption warning (updated 9 Mar 2016)
Manam (Papua New Guinea): occasional ash emissions, thermal anomaly at crater (updated 13 Jul 2016)
Merapi (Central Java, Indonesia): sporadic phreatic explosions (updated 21 Aug 2015)
Michael (United Kingdom, South Sandwich Is): possible intermittent ash emissions (updated 3 Jun 2016)
Momotombo (Nicaragua): intermittent vulcanian explosions (updated 29 Mar 2016)
Niigata-Yake-yama (Honshu): sporadic explosions, seismic unrest (updated 8 May 2016)
Nyamuragira (DRCongo): small active lava lake in summit caldera (as of end of April 2016) (updated 12 Jun 2016)
Piton de la Fournaise (La Réunion): seismic unrest, inflation (updated 29 Jul 2016)
Poas (Costa Rica): sporadic phreatic explosions (updated 29 Jul 2016)
Rincón de la Vieja (Costa Rica): sproadic hydrothermal explosions (updated 3 May 2016)
Rinjani (Lombok): sudden eruption on 1 Aug 2016 (updated 2 Aug 2016)
Sabancaya (Peru): steaming, elevated seismic activity (updated 12 Jul 2016)
San Miguel (El Salvador): seismic unrest, inflation, strong degassing (updated 19 Jun 2016)
Sangeang Api (Indonesia): weak lava extrusion from summit crater (updated 11 Nov 2015)
Telica (Nicaragua): lava glow from crater, degassing, occasional light ash emissions (updated 9 May 2016)
Tungurahua (Ecuador): inflation, eruption warning (updated 5 Jun 2016)
Ubinas (Peru): sporadic vulcanian explosions (updated 16 Jan 2016)
Zavodovski (South Sandwich Islands (UK)): strong steaming, degassing (updated 18 Jun 2016)

Previous news
Map of today's active volcanoes
Thursday, Aug 11, 2016
Etna (Sicily, Italy): INGV Catania volcanologist Boris Behncke visited the summit region of Etna yesterday and observed a new active pit crater, about 20-30 m wide, located in the eastern inner wall of the Voragine crater. ... [more]
Map of today's active volcanoes
Wednesday, Aug 10, 2016
Klyuchevskoy (Kamchatka): The eruption of the volcano continues with little changes: although the volcano is in clouds most of the time, occasional satellite and webcam views allow to determine that the lava flow on the SE flank remains active and strombolian activity continues in the summit crater. ... [more]
Map of today's active volcanoes
Tuesday, Aug 09, 2016
Etna (Sicily, Italy): Weak strombolian activity continues inside the Voragina summit crater, which produces a tall steam column currently drifting into southerly directions when we observed it this morning during a helicopter overflight as part of a tour on Etna. ... [more]
Map of today's active volcanoes
Monday, Aug 08, 2016
Brava (Cape Verde): Seismic activity has decreased since its peak with shallow earthquakes around 2 August which had triggered fears that a new eruption could occur in the near future. Authorities remain at alert while groups of scientists are currently monitoring the situation. ... [more]
Map of today's active volcanoes
Sunday, Aug 07, 2016
Etna (Sicily, Italy): Weak strombolian activity has started from the Voragine crater and it is currently visible from the webcams. ... [more]

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