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Volcanoes Today, 3 Sep 2015: Piton de la Fournaise volcano, Sakurajima

Thursday Sep 03, 2015 08:00 AM |
Sakurajima (Kyushu, Japan): The alert level was downgraded back to 3 (out of 5) last Tuesday as signs of unrest and the risk of a sudden major explosion have decreased.
No rapid crustal movements have been detected since 17 August, suggesting that the inferred magma intrusion has stopped and is now stagnating & cooling instead of migrating further towards the surface.
The volcano continues to be unusually calm with only minor explosions and ash emissions occurring occasionally from the Showa crater.

Piton de la Fournaise (La Réunion): The eruption continues at weak intensity. As of yesterday, only one vent, a cone about 20 m high, remained active producing pulsating fountain-like strombolian explosions of bursting lava bubbles that reach 15-20 m height.
The lava flows approx. 50 m through a tube and then forms a flow extending about 1 km to the south, with an average thickness of 2-3 meters. The front of the flow was not moving yesterday.
Tidigare Nyheter
Karangetang in eruption last week (photo: Kamil Syahbana / twitter)
Monday, Aug 31, 2015
Manam (Papua New Guinea): A volcanic ash plume at estimated 7,000 ft (2.1 km) altitude extending 70 km north from the volcano was reported this morning (VAAC Darwin). ... [mera]
Steaming and ash emission from Shiveluch this morning
Thursday, Aug 27, 2015
Shiveluch (Kamchatka): Lava extrusion into the volcano's lava dome continues at moderate intensity. Small incandescent avalanches are sometimes visible on night-time webcam images. Steaming and weak to moderate ash emissions accompany this activity. ... [mera]
Santiaguito's explosion yesterday morning
Tuesday, Aug 25, 2015
Santiaguito (Guatemala): (25 Aug) A stronger than usual explosion occurred yesterday morning at 08:43 local time, producing a plume that rose approx. 2 km above the lava dome and generated small pyroclastic flows. ... [mera]
Steaming and glow from Aso's Nakadake main vent
Monday, Aug 24, 2015
Aso (Kyushu): Activity has been low during the past days, with only intense steaming and dilute ash emissions from the Nakadake crater. Incandescence continues to be visible from the main vent, suggesting magma remains close to the surface. ... [mera]
Ash plume from Cotopaxi seen from Quito yesterday (Image: Ministerio Coordinador de Seguridad)
Sunday, Aug 23, 2015
Cotopaxi (Ecuador): Ash emissions have been increasing and producing plumes that rose 2 km above the summit and drifted west for over 50 km. ... [mera]
 

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