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Volcanic activity worldwide 9 Mar 2016: Makian volcano, Nyiragongo, Tungurahua, Suwanose-jima, Momotombo

Wednesday Mar 09, 2016 02:47 AM |

Eruption from Suwanose-Jima this morning
Eruption from Suwanose-Jima this morning
Seismic activity of Kie Besi volcano (Makian) over the past weeks (VSI)
Seismic activity of Kie Besi volcano (Makian) over the past weeks (VSI)
A spectacular explosion at Momotombo yesterday night
A spectacular explosion at Momotombo yesterday night
Explosion at Tungurahua yesterday morning (image: EDUfoto / facebook.com/edufoto.org)
Explosion at Tungurahua yesterday morning (image: EDUfoto / facebook.com/edufoto.org)
View of the crater of Nyiragongo on 1 or 2 March with the lava lake and the new vent at the NE margin of the crater floor (image: OVG)
View of the crater of Nyiragongo on 1 or 2 March with the lava lake and the new vent at the NE margin of the crater floor (image: OVG)
Suwanose-jima (Ryukyu Islands): (8 Mar) The eruptive activity at the remote Island in southern Japan continues. It even seems to have picked up in intensity, judging from the increasingly frequent volcanic ash reports issued by Tokyo VAAC and the sometimes very strong glow visible from neighboring islands.
The exact type of activity in the Otake crater is unknown, but likely consists of strong, ash-rich strombolian explosions.

Makian (Halmahera): The alert level of Makian Island's Kie Besi volcano was raised from 1 (normal) to 2 ("waspada" = watch) yesterday, as an increase in seismic activity has been detected recently under the volcano.
The stratovolcano, which forms a small island south of Ternate (and is in the center line of tomorrow's Solar Eclipse, where one of our groups is currently stationed...), is one of the regions most active (and dangerous) volcanoes with a number of strong explosive eruptions in historic times, last in 1988.
... [read more]

Momotombo (Nicaragua): (8 Mar) The eruption of the volcano continues with little visible changes: Intermittent vulcanian-type explosions of mostly small, but sometimes moderate size continue to occur at rates of 1-2 per day (on average), the stronger ones showering the upper flanks of the cone with incandescent material and producing ash plumes that rise 1-2 km above the summit.
In addition, weaker activity of semi-persistent style also occurs. Continuous glow is visible from the crater at night. This is probably due to the presence of a small lava lake or (more likely) a small lava dome (more viscous lava), as well as frequent, but small (strombolian-type) explosions (that don't reach the outer rim) as INETER reported in its recent status update (53 explosions recorded during 3-4 March).
According to Nicaraguan scientists, seismic activity of the volcano has been at low to medium levels.

Tungurahua (Ecuador): The activity of the volcano has strongly increased since last weekend - a new surge of magma has been arriving at the summit vent and is producing a violent eruption from the summit crater. Its climax so far occurred this morning, at 07:51 local time, when a powerful explosion generated an eruption column that rose approx. 6 km above the crater and reached an altitude of estimated 36,000 ft (11 km). Pyroclastic flows (generated by partial column collapse) descended over 2000 m towards the Mandur and Achupashal areas.
Similar explosive activity, with increasing tendency, had already been occurring during the previous days, in particular since Sunday. Very strong explosions also occurred yesterday afternoon at 16:28 local time, two around noon (also yesterday), as well as at 19:35 and 05:35 local time on Sunday (6 March). All of them produced pyroclastic flows into various directions towards the western (Romero and Achupashal) and northern sectors (Mandur).
... [read more]

Nyiragongo (DRCongo): (8 Mar) Some very unusual and alarming events have been taking place at the volcano recently: A new eruptive vent opened at the northeastern end of the lowest crater terrace, outside the active lava lake (which had been in place since 2002) and just beneath the near vertical crater walls..
According to a preliminary report of the Goma Volcano Observatory (GVO) who visited the volcano during 1-2 March, the new vent is now forming a second lava lake. Images from a visit of GVO staff show a spatter cone erupting fresh lava flows that pooled onto the crater floor.
... [read more]

Volcano Activity Summary for 9 Mar 2016:

Currently erupting:

Alaid (Northern Kuriles): thermal hot spot visible on satellite imagery (updated 4 Mar 2016)
Ambrym (Vanuatu): active lava lakes in several craters (updated 18 Feb 2016)
Aso (central Kyushu, Japan): steaming, occasional phreatomagmatic or strombolian explosions (updated 26 Oct 2015)
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)
Colima (Western Mexico): intermittent vulcanian explosions (updated 1 Mar 2016)
Dukono (Halmahera): mild strombolian activity, continuous intense ash emissions (updated 1 Mar 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 3 Mar 2016)
Ibu (Halmahera, Indonesia): stromolian and phreatomagmatic explosions (updated 29 Oct 2015)
Karymsky (Kamchatka): occasional small explosions, thermal anomaly (updated 1 Mar 2016)
Kilauea (Hawai'i): new lava flow from vents on NE flank of Pu'u 'O'o (updated 28 Apr 2015)
Kliuchevskoi (Kamchatka): ash emissions, weak strombolian activity (updated 11 May 2015)
Masaya (Nicaragua): active lava lake in summit crater since mid Dec 2015 (updated 4 Mar 2016)
Momotombo (Nicaragua): intermittent vulcanian explosions (updated 8 Mar 2016)
Nevado del Ruiz (Colombia): intermittent ash emissions, strong degassing (updated 4 Mar 2016)
Nyiragongo (DRCongo): new vent on crater floor (updated 8 Mar 2016)
Ol Doinyo Lengai (Tanzania): effusion of natrocarbonatite lava inside the crater (updated 8 Jul 2013)
Pacaya (Guatemala): intense spattering from intra-crater cone (updated 13 Jan 2016)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 3 Mar 2016)
Rabaul (Tavurvur) (New Britain, Papua New Guinea): lava fountains, ash emissions from Tavurvur cone (updated 12 Sep 2014)
Reventador (Ecuador): lava flow on SW flank (updated 24 Feb 2016)
Sakurajima (Kyushu, Japan): seismic swarm, eruption warning (updated 1 Mar 2016)
Sangay (Ecuador): likely strombolian eruptions at summit crater (updated 13 Mar 2015)
Santiaguito (Guatemala): intermittent explosions from Caliente dome, strong degassing (updated 5 Feb 2016)
Semeru (East Java, Indonesia): growing lava dome, lava flow, strombolian activity (updated 14 Feb 2016)
Shiveluch (Kamchatka): growing lava dome (updated 6 Mar 2016)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 2 Mar 2016)
Stromboli (Eolian Islands, Italy): weak strombolian activity at summit vents (updated 16 Apr 2015)
Suwanose-jima (Ryukyu Islands): strombolian explosions in Ontake crater (updated 8 Mar 2016)
Tungurahua (Ecuador): large and frequent explosions, ash columns rising several km (updated 8 Mar 2016)
Ubinas (Peru): sporadic vulcanian explosions (updated 16 Jan 2016)
Villarrica (Central Chile): small lava lake in summit crater (updated 12 May 2015)
Yasur (Tanna Island, Vanuatu): ash emissions, weak strombolian explosions (updated 13 Nov 2015)
Zhupanovsky (Kamchatka, Russia): occasional explosions and ash emissions (updated 14 Feb 2016)

Eruption warning / minor activity:

Bagana (Bougainville Island, Papua New Guinea): mild ash emissions (updated 3 Mar 2016)
Barren Island (Indian Ocean): weak thermal hot spot (updated 3 Mar 2016)
Bezymianny (Central Kamchatka Depression): steaming, weak seismic activity (updated 3 Jul 2014)
Bulusan (Luzon Island, Philippines): occasional sporadic explosions (updated 23 Feb 2016)
Canlaon (Central Philippines): occasional phreatic explosions (updated 11 Dec 2015)
Cerro Negro (Nicaragua): increased earthquake activity (updated 16 Feb 2016)
Chirinkotan (Northern Kuriles, Russia): sporadic ash emissions (updated 28 Jul 2015)
Chirpoi (Kurile Islands, Russia): thermal hot spot visible on satellite imagery (updated 6 Mar 2016)
Copahue (Chile/Argentina): seismic unrest, occasional ash venting (updated 6 Mar 2016)
Cotopaxi (Ecuador): vulcanian explosions (updated 16 Aug 2015)
Etna (Sicily, Italy): weak strombolian activity inside Voragine 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)
Kavachi (Solomon Islands): no eruption since 2007 (updated 16 Jun 2014)
Kick 'em Jenny (West Indies, Grenada): volcanic unrest, eruption warning (updated 24 Jul 2015)
Krakatau (Sunda Strait, Indonesia): steaming, seismic unrest (updated 15 Nov 2015)
Kuchinoerabu-jima (Ryukyu Islands): large explosive eruption on 29 May 2015 (updated 27 Mar 2015)
Lascar (Northern Chile): sudden explosion on 30 Oct 2015 (updated 31 Oct 2015)
Lopevi (Vanuatu): eruption warning (updated 16 Dec 2014)
MacDonald (Austral Islands,  ): steaming observed (updated 6 Feb 2016)
Manam (Papua New Guinea): large explosion on 31 July 2015 (updated 4 Mar 2016)
Mayon (Luzon Island, Philippines): steaming (updated 18 Dec 2014)
Merapi (Central Java, Indonesia): sporadic phreatic explosions (updated 21 Aug 2015)
Michael (United Kingdom, South Sandwich Is): unspecified activity detected as hot spot on satellite data (updated 3 Oct 2015)
Nevados de Chillán (Central Chile): intermittent ash emissions (updated 4 Mar 2016)
Nyamuragira (DRCongo): active lava lake (updated 29 Nov 2014)
Ontake-san (Honshu): steaming, low seismic activity (updated 18 Dec 2014)
Papandayan (West Java): steaming (updated 6 May 2013)
Pavlof (Alaska Peninsula, USA): steaming, elevated seismic activity (updated 22 Dec 2014)
Poas (Costa Rica): phreatic explosions (updated 14 Oct 2014)
Rasshua (Central Kuriles)
Raung (East Java): intra-caldera eruption with lava flow and strombolian activity (updated 27 Aug 2015)
Rincón de la Vieja (Costa Rica): phreatic explosions from crater lake (updated 21 Sep 2014)
Sabancaya (Peru): steaming, elevated seismic activity (updated 11 Oct 2015)
Sacabaya (Northern Chile, Bolivia and Argentina)
San Cristobal (Nicaragua): possible ash emission on 11 April (updated 9 Mar 2015)
San Miguel (El Salvador): intermittent ash emissions (updated 15 Jan 2016)
Sangeang Api (Indonesia): weak lava extrusion from summit crater (updated 11 Nov 2015)
Sirung (Pantar Island, Indonesia ): degassing (updated 10 Jul 2015)
Slamet (Central Java): steam emissions (updated 12 Jan 2015)
Soputan (North Sulawesi, Indonesia): degassing, slow growth of lava dome (updated 2 Mar 2016)
Telica (Nicaragua): degassing (updated 4 Mar 2016)
Turrialba (Costa Rica): sporadic ash emissions, weak crater glow (updated 3 Feb 2016)
Ulawun (New Britain, Papua New Guinea): degassing, ash venting (updated 5 Aug 2013)

Previous news
Small pyroclatic flow at Shiveluch this morning (KVERT webcam)
Sunday, Mar 06, 2016
Shiveluch (Kamchatka): The lava dome continues to be very active, generating frequent rockfalls and small glowing avalanches on the SW side as well as, more rarely, on the SE side as can be seen on today's time-lapse video: ... [more]
Steam plume from Alaid volcano seen on yesterday's NASA Suomi NPP satellite image
Friday, Mar 04, 2016
Alaid (Northern Kuriles): A new eruption is occurring at the volcano, satellite images show. A pronounced steam plume with possible ash content can be seen drifting west from the volcano, at estimated 13,000 ft (4 km) altitude. In addition, NASA's MODIS and VIIRS sensors have been detecting an intense heat source from the volcano's summit lately. ... [more]
Thermal image of the lava overflow inside Kilauea's Pu'u 'O'o crater yesterday morning
Thursday, Mar 03, 2016
Bagana (Bougainville Island, Papua New Guinea): Based on Himawari-8 satellite data, Darwin VAAC reported an ash emission from the volcano at 7,000 ft (2.1 km) altitude last evening, creating a plume that drifted 100 km to the NE. Aviation color code is at Orange. ... [more]
Strombolian activity at Suwanose-jima this morning, seen from neighboring Toshima island
Wednesday, Mar 02, 2016
Suwanose-jima (Ryukyu Islands): After a period of relative calm since last October, a new phase of strombolian activity occurred this morning at the volcano. ... [more]
Incandescent rockfalls from Shiveluch last night
Tuesday, Mar 01, 2016
Karymsky (Kamchatka): Two stronger explosions occurred this morning, producing ash plumes that rose to 13,000 and 17,000 ft (4.2 and 5.1 km) altitude and drifted NE, Tokyo VAAC reported. ... [more]

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