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Fr, 25. Jan 2013, 11:05
In a satellite image from January 22, NOAA's Washington Volcanic Ash Advisory Center spotted a possible volcanic plume from Agrigan volcano, located on the next volcanic island north of Pagan (Mariana Isl). ... alles lesen
 

Agrigan Vulkan

Stratovolcano 965 m / 3,166 ft
Mariana Islands, USA, 18.77°N / 145.67°E
Aktueller Status: normal / ruhend (1 von 5) | Reports
Agrigan Vulkan-Bücher
Last update: 25 Jan 2013
Typische Aktivität: unspecified
Ausbrüche des Agrigan: 1917 
TimeMag. / TiefeDistanceLocation
Sun, 6 Sep 2020 (UTC)
2020-09-06 12:48:27 UTC (6 Sep 12:48:27 UTC)M 4.5 / 195.8 km8 kmPagan Region, Northern Mariana Islands
Tue, 14 Jul 2020 (UTC)
Tue, 14 Jul 01:25 UTCM 4.6 / 191.7 km16 kmPagan region, Northern Mariana Islands
Thu, 23 Apr 2020 (UTC)
Thu, 23 Apr 12:31 UTCM 4.9 / 218 km28 kmMariana Islands (Northern Mariana Islands)
Fri, 17 Apr 2020 (UTC)
2020-04-18 09:33:51 +10:00 (17 Apr 23:33:51 UTC)M 4.6 / 149.6 km28 km28km ESE of Agrihan, Northern Mariana Islands
Wed, 5 Feb 2020 (UTC)
2020-02-06 09:17:59 +10:00 (5 Feb 23:17:59 UTC)M 4.5 / 199 km25 km24km S of Agrihan, Northern Mariana Islands
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Agrigan volcano is an active stratovolcano and the highest of the volcanoes in the Marianas volcanic arc. It contains contains a 500-m-deep, flat-floored caldera. The last confirmed eruption was in 1917.

Beschreibung:

The highest of the Marianas arc volcanoes, Agrigan contains a 500-m-deep, flat-floored caldera. The elliptical island is 8 km long; its 965-m-high summit is the top of a massive 4000-m-high submarine volcano, the second largest in the Marianas Islands. Deep radial valley dissect the flanks of the thickly vegetated stratovolcano. The elongated caldera is 1 x 2 km wide and is breached to the NW, from where a prominent lava flow extends to the coast and forms a lava delta. The caldera floor is surfaced by fresh-looking lava flows and also contains two cones that may have formed during the volcano's only historical eruption in 1917. This eruption deposited large blocks and 3 m of ash and lapilli on a village on the SE coast, prompting its evacuation.
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Smithsonian / GVP volcano information

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See also: Sentinel hub | Landsat 8
 

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