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Sangeang Api volcano (Sunda Islands, Indonesia): major explosive eruption with ash to 15-20 km altitude

Fri, 30 May 2014, 15:49
15:49 PM | BY: T
Today's eruption column at Sangeang Api (photo: @Bambang_Bimawan / Twitter)
Today's eruption column at Sangeang Api (photo: @Bambang_Bimawan / Twitter)
[Click here for update]

A major explosive eruption occurred at the remote volcano this morning at around 08:30 UTC. A subplinian eruption column quickly rose to an estimated 50-65,000 ft (15-20 km) altitude and drifted several hundred km to the east and southeast.
Ash fall was reported in areas up to 30 km downwind from the volcano.
Luckily, the island itself is largely uninhabited although visted by farmers who cultivate some land. Evacuations were ordered within 1.5 km radius from the volcano.
Seismic activity preceding the eruption, including a nearby magnitude 4.5 earthquake at 03:05 UTC, was reported felt in the nearby city of Bima (Sumbawa Island) and even on Flores.
Today's explosion was the first at Sangeang Api volcano since its eruptions during 1997-99. Increased steaming and a number of earthquakes in recent years might have been precursors to today's event.

Previous news

Wed, 28 May 2014, 06:00

Sangeang Api volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 28 May-3 June 2014 (New Activity / Unrest)

PVMBG reported that during January-29 May diffuse white plumes rose at most 25 m above Sangeang Api's crater. On 30 May seismicity increased, with tremor starting at 0500 and becoming continuous at 1348. An eruption at 1555 generated an ash plume that rose 3 km and drifted W, causing ashfall over the sea. ... Read all
Sat, 15 Jun 2013, 14:29

Sangeang Api volcano (Indonesia): alert level lowered

VSI decreased the alert level from 3 to 2 ("Waspada", on a scale of 4), as seismic activity has decreased recently. ... Read all
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Sangeang Api volcano
complex volcano 1949 m / 6,394 ft
Flores Sea, Indonesia, -8.2°S / 119.07°E
Current status: normal or dormant (1 out of 5) Sangeang Api volcano eruptions:
30 May 2014 (subplinian), 1997-99, 1985-88, 1966, 1964-65, 1958, 1957, 1956, 1955, 1954, 1954, 1953, 1927, 1912, 1911, 1860, 1821, 1715, 1512.
Typical eruption style
Explosive and effusive
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