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Volcanic activity worldwide 28 Nov 2016: Fuego volcano, Colima, Dukono, Sabancaya, Chirinkotan, Suwa...

Monday Nov 28, 2016 18:10 PM |

Map of today's active volcanoes
Map of today's active volcanoes
Spot corresponding to the ash plume on fresh Himawari 8 satellite image
Spot corresponding to the ash plume on fresh Himawari 8 satellite image
Satellite image of Chirinkotan volcano on 28 Nov 2016
Satellite image of Chirinkotan volcano on 28 Nov 2016
Glow from Suwanosejima's Otake crater this evening (JMA webcam)
Glow from Suwanosejima's Otake crater this evening (JMA webcam)
Satellite image of Dukono volcano on 28 Nov 2016
Satellite image of Dukono volcano on 28 Nov 2016
Location of the observed pumice rafts (image: GeoNet)
Location of the observed pumice rafts (image: GeoNet)
Area near yesterday's steam eruption in Rotorua Lake (image: newshub.co.nz / twitter)
Area near yesterday's steam eruption in Rotorua Lake (image: newshub.co.nz / twitter)
The new lava breakout near Puu Oo on 22 Nov 2016 (image: USGS)
The new lava breakout near Puu Oo on 22 Nov 2016 (image: USGS)
Heat signal from Fuego volcano showing the rythmic pattern of so far 15 paroxysms in 2016 (MIROVA)
Heat signal from Fuego volcano showing the rythmic pattern of so far 15 paroxysms in 2016 (MIROVA)
Strong explosion at Sabancaya this morning (INGEMMET webcam)
Strong explosion at Sabancaya this morning (INGEMMET webcam)
Diffuse ash emissions from Copahue this afternoon
Diffuse ash emissions from Copahue this afternoon
Chirinkotan (Northern Kuriles, Russia): A large explosion seems to have occurred a few hours ago at the volcano. A possible ash plume penetrating a thick deck of clouds was spotted by VAAC Tokyo on Himawari-8 satellite data.
If the data interpretation is correct, an explosive eruption has occurred that produced a plume of approx. 10 km altitude which is drifting north.
The remote volcano forming the uninhabited island of the same name is one of the most active of the Kurile Chain. It has often had relatively large explosive eruptions which pose a threat to air traffic on the busy N-America E-Asia routes. It is not monitored other than by satellite imagery.
...28 Nov:
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: POSS ERUPTION OBS AT 20161128/1500Z FL290 EXTD N OBS VA DTG:28/1520Z

Suwanose-jima (Ryukyu Islands): The volcano continues to be in a phase of elevated activity which started gradually after around mid November. Webcams show intense glow, presumably generated by frequent explosions and / or the presence of a lava dome (or lava lake) in the active Otake crater in the northern end of the small island.
Low-level, but relatively intense ash emissions have been accompanying the eruption, reaching altitudes of up to approx. 1500 m elevation. The activity and its ash plumes, as long as it is at the current level only, pose no great risks, except to areas in the vicinity of the crater itself and low-flying small aircraft. Depending on wind direction, ash falls can affect infrastructure, in particular the (small) agricultural activity of the tiny population on the island.

Dukono (Halmahera): The activity of the volcano continues to be intense with little changes during the past months. Near continuous ash emissions producing plumes that drift around Halmahera at 2-3 km altitude are regularly being reported by the Volcanic Ash Advisory Center Darwin (VAAC).
This is a typical report sent out this afternoon: CONTINUOUS VA EMISSIONS TO FL070 OBS VA DTG:28/1330Z

Monowai (Kermandec Islands, New Zealand): It is still unclear which volcano produced the pumice raft observed west of Minerva Reef southwest of Tonga (Pacific Ocean) by a New Zealand Royal Air Force aircraft on 16 November.
The pumice rafts were long ribbons, 10 km long and tens to hundreds of meters wide according to satellite images, likely as the combined result of sea waves, winds and currents.The area is between several volcanic arcs: Vanuatu to the north, Tonga arc to the east, and the Kermadec arc to the southeast. New Zealand geologists do not think that it is likely to come from Monowai submarine volcano, but rather think it might be one of the volcanoes in Tonga. However, the origin of the pumices remains a riddle and illustrates how little we know about submarine eruptions.

Rotorua (New Zealand): A small steam explosion (hydrothermal eruption) occurred yesterday in Lake Rotorua. A fountain of water was seen ejected to about 30 m. [read more].
According to New Zealand scientists who closely monitor the country's many active volcanoes (all currently very calm), this is not a sign of impending volcanic activity and there is likely no reason to worry:
"Eruptions have been known in this area all through our written history (1830 – present), so it’s not unusual. The occurrence of steam eruptions has been variable in Rotorua, with many during the exploitation of the geothermal system, however they declined after the bore closure (1987). The last significant one was in 2001."

Kilauea (Hawai'i): Essentially, the eruption continues unchanged. The lava lake in the summit caldera fluctuates in level and was 17 m (56 ft) below the floor of Halema'uma'u crater yesterday. It is expected to rise again now that a new inflation cycle has started.
The new surface lava breakout which started 22 Nov from a point east of Pu'u 'O'o high up on the lava tube of the active 61g flow continues to advance and feed a new flow field that has now reached a bit more than 1 km length.
... [read more]

Colima (Western Mexico): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS SEEN IN STLT IMAGERY 28/1425Z.
...28 Nov:
Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EM NOT OBSD

Fuego (Guatemala): The volcano follows its remarkable cycle of paroxysms (intense eruptive phase with lava fountains and rapid lava flow effusion) at regular intervals of approx. 3-4 weeks.
The latest, 15th paroxysm of 2016 so far, has ended a few days ago and the volcano is now in its relatively calm phase in between, characterized by intermittent small to moderate strombolian explosions.
... [read more]

Sabancaya (Peru): The volcano continues to produce frequent mild to moderate explosions and emits a continuous dense steam plume. Over the past weeks, activity has slowly been increasing. Explosions have been becoming more and more frequent and stronger with plumes now regularly reaching more than 4000 m in height.
Peru's Geophysical Institute IGP reported 279 explosions during 14-21 Nov, a slow increase in SO2 emissions (up to 7000 tons/day) and some deformation of the volcano's SE flank, likely a result of a rising body of magma.
...28 Nov:
Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: VA NOT IDENTIFIABLE FM STLT DATA OBS VA DTG:28/0715Z

Copahue (Chile/Argentina): Activity at the surface and internally (seismicity) has been relatively calm recently. The volcano produced only only minor emissions of steam and occasionally some ash.
Diffuse ash emissions were noted during 16-18, 21-23 and today (28 Nov). These suggest that small strombolian activity continues to occur inside the El Agrio crater.
... [read more]
...28 Nov:
Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: VA NOT IDENTIFIABLE FM STLT DATA OBS VA DTG:27/0508Z

Michael (United Kingdom, South Sandwich Is): A new eruption is likely underway at the remote volcano (also called like the whole island, Saunders). Since mid October, prominent heat signals coming from the summit of Michael cone can be retrieved on satellite data, but there are no direct (visual or other) observations.
There have been no reports of ash emissions (so far) which implies that the activity is probably minor (small lava lake, strombolian-type explosions ?).

Volcano Activity Summary for 28 Nov 2016:

Currently erupting:

Ambrym (Vanuatu): active lava lakes in several craters (updated 12 Jul 2016)
Bagana (Bougainville Island, Papua New Guinea): intermittent mild ash emissions (updated 29 Aug 2016)
Chirinkotan (Northern Kuriles, Russia): possible large explosion on 28 Nov 2016 (updated 28 Nov 2016)
Colima (Western Mexico): continuous explosions, lava flow on SW flank, glowing rockfalls (updated 26 Nov 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 13 Nov 2016)
Fuego (Guatemala): lava flows on S and W flanks, lava fountaining from summit vent (updated 28 Nov 2016)
Gamalama (Halmahera): small ash eruption on 3 Aug 2016 (updated 5 Aug 2016)
Heard (Australia, Southern Indian Ocean): new eruption since June 2016 (updated 18 Oct 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 29 Sep 2016)
Klyuchevskoy (Kamchatka): strombolian explosions in summit crater, active lava flows on SE flank (updated 10 Oct 2016)
Masaya (Nicaragua): active lava lake ini summit crater (updated 12 Jul 2016)
Nevados de Chillán (Central Chile): sporadic ash emissions (updated 20 Nov 2016)
Nyiragongo (DRCongo): new vent on crater floor (updated 9 Sep 2016)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Pacaya (Guatemala): strombolian explosions (updated 29 Jul 2016)
Piton de la Fournaise (La Réunion): eruption ended 18 Sep 2016 (updated 19 Sep 2016)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 27 Nov 2016)
Reventador (Ecuador): lava flow on SW flank (updated 8 Aug 2016)
Sabancaya (Peru): frequent moderate explosions, intense ash emissions (updated 28 Nov 2016)
Sakurajima (Kyushu, Japan): sporadic vulcanian explosions from Minamidake and Showa crater (updated 22 Aug 2016)
Sangay (Ecuador): mild strombolian activity in summit crater (updated 20 May 2016)
Santiaguito (Guatemala): intermittent strong explosions from growing Caliente dome (updated 25 Aug 2016)
Semeru (East Java, Indonesia): growing lava dome, mild strombolian activity in summit crater (updated 10 Oct 2016)
Shiveluch (Kamchatka): growing lava dome (updated 10 Oct 2016)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 11 Nov 2016)
Stromboli (Eolian Islands, Italy): weak, intermittent strombolian explosions (updated 21 Oct 2016)
Suwanose-jima (Ryukyu Islands): intense strombolian activity from Otake crater (updated 28 Nov 2016)
Turrialba (Costa Rica): near-continuous ash emissions (updated 6 Nov 2016)
Villarrica (Central Chile): small active lava lake in summit crater (updated 23 Aug 2016)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 15 Sep 2016)

Eruption warning / minor activity:

Aoba (Vanuatu): steaming, possible ash emissions (updated 14 Aug 2016)
Aso (central Kyushu, Japan): degassing, sporadic steam / ash explosions (updated 8 Oct 2016)
Awu (North Sulawesi & Sangihe Islands): seismic unrest, eruption warning (updated 13 May 2016)
Barren Island (Indian Ocean): weak thermal hot spot (updated 3 Mar 2016)
Batu Tara (Sunda Islands, Indonesia): unknown, possibly weak strombolian activity (updated 25 Aug 2016)
Bezymianny (Central Kamchatka Depression): steaming (updated 30 Jul 2016)
Bristol Island (United Kingdom, South Sandwich Is): eruption seems to have ended (updated 14 Sep 2016)
Bromo (East Java, Indonesia): intense degassing, intermittent ash emissions, crater glow (updated 10 Oct 2016)
Bulusan (Luzon Island, Philippines): intermittent ash emissions, intense degassing (updated 18 Oct 2016)
Canlaon (Central Philippines): degassing, sporadic ash emissions (updated 29 Jul 2016)
Cerro Negro (Nicaragua): increased earthquake activity (updated 16 Feb 2016)
Chikurachki (Paramushir Island): steaming, degassing (updated 23 Aug 2016)
Chirpoi (Kurile Islands, Russia): degassing, steaming (updated 29 Jul 2016)
Copahue (Chile/Argentina): mild ash and steam emissions (updated 28 Nov 2016)
Ebeko (Paramushir Island)
Etna (Sicily, Italy): weak strombolian activity in Voragine summit crater (updated 19 Apr 2014)
Karangetang (Siau Island, Sangihe Islands, Indonesia): rockfalls, glowing lava dome (updated 13 Jan 2016)
Karymsky (Kamchatka): weak activity (rare explosions?) (updated 16 Jun 2016)
Kerinci (Sumatra): intermittent ash explosions (updated 5 Jun 2016)
Langila (New Britain, Papua New Guinea): ash emissions (updated 13 May 2016)
Lascar (Northern Chile): sudden explosion on 30 Oct 2015 (updated 31 Oct 2015)
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)
Mayon (Luzon Island, Philippines): volcanic unrest (updated 8 Sep 2016)
Merapi (Central Java, Indonesia): sporadic phreatic explosions (updated 21 Aug 2015)
Michael (United Kingdom, South Sandwich Is): heat signal from summit crater, unknown eruptive activity (updated 28 Nov 2016)
Momotombo (Nicaragua): intermittent vulcanian explosions (updated 29 Mar 2016)
Nevado del Ruiz (Colombia): intermittent mild to moderate ash emissions (updated 18 Oct 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)
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 29 Sep 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)
Sete Cidades (Azores)
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): intermittent ash explosions (updated 4 Oct 2016)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)
White Island (New Zealand): ash venting from 2012 lava dome (updated 13 Sep 2016)
Zavodovski (South Sandwich Islands (UK)): strong steaming, degassing (updated 18 Jun 2016)
Zhupanovsky (Kamchatka, Russia): steaming / degassing (updated 20 Nov 2016)

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