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Volcanic activity worldwide 3 Aug 2016: Gamalama volcano, Brava

Wednesday Aug 03, 2016 21:00 PM |

Map of today's active volcanoes
Map of today's active volcanoes
Brava island on 2 Aug 2016 seen from space next to (larger) Fogo island
Brava island on 2 Aug 2016 seen from space next to (larger) Fogo island
Explosion at Gamalama volcano (image: ITN News)
Explosion at Gamalama volcano (image: ITN News)
Brava (Cape Verde): Out of fear of a possible new eruption, authorities evacuated 300 people from Cova Da Joana town on Brava island. According to news reports, the National Institute of Meteorology and Geophysics recorded increased seismic activity including volcanic tremor that sparked fears an eruption could be imminent.
Brava with a diameter of approx. 10 km is the smallest of the 9 inhabited islands of Cape Verde and has a total of approx. 7000 inhabitants. Its volcano with the same name is geologically young and considered active, although no historical eruptions are known (which is mostly due to limited history of written records).

Gamalama (Halmahera): A small eruption occurred at the volcano this morning. An explosion created an ash plume that rose approx. 600 m above the crater. The Babullah airport of Ternate island was closed due to the ash plume and is scheduled to reopen tomorrow morning at 10:00 am.
The nature of the eruption is unclear, but likely a phreatic event typical for Gamalama which last had similar eruptions in July, September and December last year.

Volcano Activity Summary for 3 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)
Bristol Island (United Kingdom, South Sandwich Is): new eruption since late April 2016 (updated 21 Jul 2016)
Bromo (East Java, Indonesia): intermittent mild ash emissions (updated 2 Aug 2016)
Chikurachki (Paramushir Island): explosive activity since 27 July 2016 (updated 28 Jul 2016)
Colima (Western Mexico): intermittent mild to moderate explosions (updated 29 Jul 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 12 Jul 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 3 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 25 Jul 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 2 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)
Pavlof (Alaska Peninsula, USA): currently calm (updated 29 Jul 2016)
Popocatépetl (Central Mexico): degassing, sporadic explosions, slowly growing lava dome (updated 25 Jul 2016)
Reventador (Ecuador): lava flow on SW flank (updated 24 Feb 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 16 Jul 2016)
Semeru (East Java, Indonesia): growing lava dome, mild strombolian activity in summit crater (updated 29 Jul 2016)
Shiveluch (Kamchatka): growing lava dome (updated 29 Jul 2016)
Sinabung (Sumatra, Indonesia): continuing pyroclastic flows (updated 1 Aug 2016)
Stromboli (Eolian Islands, Italy): weak, intermittent strombolian explosions (updated 23 May 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 13 Nov 2015)

Eruption warning / minor activity:

Alaid (Northern Kuriles): strombolian activity and lava flows in summit crater (updated 21 Jul 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 29 Jul 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)
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): occasional ash puffs from New SE crater, increased degassing (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)
Suwanose-jima (Ryukyu Islands): steaming, occasional ash emissions from On-take crater (updated 25 Jul 2016)
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
Tuesday, Aug 02, 2016
Rinjani (Lombok): The volcano has remained calm since yesterday's sudden and very violent explosion. ... [more]
Map of today's active volcanoes
Monday, Aug 01, 2016
Sinabung (Sumatra, Indonesia): A series of 3 explosions occurred this morning at 06:09, 06:19 and 06:58 local time, generating ash plumes that rose 1200, 1500 and 2000 m above the volcano's summit, respectively. ... [more]
Map of today's active volcanoes
Saturday, Jul 30, 2016
Bezymianny (Central Kamchatka Depression): (30 Jul) Last night, Tokyo VAAC reported an ash plume from the volcano at 20:40 UTC, based on satellite data. ... [more]
Map of today's active volcanoes
Friday, Jul 29, 2016
Shiveluch (Kamchatka): The effusive and explosive activity at the volcano continue at currently relatively low levels. Occasional small avalanches occur from the active dome, but little or no glow can be seen on night-time webcam imagery, suggesting that the effusion rate is at the lower end at the moment. ... [more]
Map of today's active volcanoes
Thursday, Jul 28, 2016
Chikurachki (Paramushir Island): A new eruption was reported by Tokyo VAAC who discovered new ash emissions from the volcano since yesterday morning. The ash plume observed on Himawari 8 satellite imagery rose to estimated 18,000 ft (5.4 km) altitude and drifted over 150 km to the NE passing the southern part of the Kamchatka peninsula. ... [more]

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