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Colima volcano Volcanic Ash Advisory: VA EMS OBS IN VO WEBCAMERA

Mi, 8. Mär 2017, 01:15
01:15 AM |
Satellite image of Colima volcano on  8 Mar 2017
Satellite image of Colima volcano on 8 Mar 2017
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:

FVXX20 at 01:01 UTC, 08/03/17 from KNES
VA ADVISORY
DTG: 20170308/0058Z

VAAC: WASHINGTON

VOLCANO: COLIMA
341040
PSN: N1930 W10337

AREA: MEXICO

SUMMIT ELEV: 12631 FT [3850
M]

ADVISORY NR: 2017/153

INFO SOURCE: GOES-EAST. VOLCANO WEB CAMERA.


ERUPTION DETAILS: VA EMS OBS IN VO WEBCAMERA

RMK: WE HAVE RECEIVED
INFORMATION SUGGESTING A
POSSIBLE VA EMISSION. WE WILL GATHER
FURTHER
INFORMATION AND ISSUE A FULL ADVISORY AS SOON AS
POSSIBLE.

NXT
ADVISORY: AS SOON AS POSSIBLE

Vorherige Nachrichten

Mi, 22. Feb 2017, 06:00
On 24 February the Centro Universitario de Estudios e Investigaciones de Vulcanologia - Universidad de Colima reported low-intensity explosions at Colima during the previous week. The internal crater remained about 250 m in diameter and 50-60 m deep; previous lava domes had been destroyed in late September and mid-November 2016. Scientists who visited the terminus of a 4.5-km-long pyroclastic flow that had been emplaced on 8 January observed that the flow was blocky with very little ash, and that the local vegetation had not been burnt, suggesting that the flow was low-temperature. ... Read all
Mi, 15. Feb 2017, 06:00
Based on Centro Universitario de Estudios e Investigaciones de Vulcanologia - Universidad de Colima observations, the Unidad Estatal de Protección Civil de Colima reported that during 10-16 February there were 10 low-intensity explosions at Colima. Gas emissions were at low-to-moderate levels. The report noted that the public should not enter the 8-km-radius exclusion zone. ... Read all
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Background:

Colima volcano is one of the most active in North America and one of the potentially most dangerous ones. It has had more than 30 periods of eruptions since 1585, including several significant eruptions in the late 1990s. Scientific monitoring of the volcano began 20 years ago. 

The Colima volcanic complex is the most prominent volcanic center of the western Mexican Volcanic Belt.  It consists of two southward-younging volcanoes, Nevado de Colima (the 4320 m high point of the complex) on the north and the 3850-m-high historically active Volcán de Colima at the south. 
A group of cinder cones of probable late-Pleistocene age is located on the floor of the Colima graben west and east of the Colima complex. Volcán de Colima (also known as Volcán Fuego) is a youthful stratovolcano constructed within a 5-km-wide caldera, breached to the south, that has been the source of large debris avalanches.  Major slope failures have occurred repeatedly from both the Nevado and Colima cones, and have produced a thick apron of debris-avalanche deposits on three sides of the complex.  Frequent historical eruptions date back to the 16th century.  Occasional major explosive eruptions (most recently in 1913) have destroyed the summit and left a deep, steep-sided crater that was slowly refilled and then overtopped by lava dome growth.
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Source: GVP, Smithsonian Institute - Colima information
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