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Colima volcano Volcanic Ash Advisory: ERUPTION OBSERVED AT 03/2335Z.

Sa, 4. Feb 2017, 00:30
00:30 AM |
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:

FVXX22 at 00:22 UTC, 04/02/17 from KNES
VA ADVISORY
DTG: 20170204/0021Z

VAAC: WASHINGTON

VOLCANO: COLIMA
341040
PSN: N1930 W10337

AREA: MEXICO

SUMMIT ELEV: 12631 FT [3850
M]

ADVISORY NR: 2017/138

INFO SOURCE: GOES-EAST. MEXICO CITY MWO.
METAR.
GFS WINDS. VOLCANO WEB CAMERA. AFWA.

ERUPTION DETAILS: ERUPTION
OBSERVED AT 03/2335Z.

OBS VA DTG: 03/2345Z

OBS VA CLD: SFC/FL250 N1938
W10347 - N1932 W10337
- N1929 W10337 - N1925 W10346 - N1938 W10347
MOV
W 5-10KT

FCST VA CLD +6HR: 04/0600Z SFC/FL250 N1940 W10355
- N1932
W10337 - N1929 W10337 - N1922 W10354 -
N1940 W10355

FCST VA CLD +12HR:
04/1200Z SFC/FL250 NO ASH EXP

FCST VA CLD +18HR: 04/1800Z NO ASH
EXP

RMK: T+0 CONFIDENCE. VA PLUME EXTENDS 8 NM WEST
OF SUMMIT.
...SZATANEK

NXT ADVISORY: WILL BE ISSUED BY 20170204/0615Z

Vorherige Nachrichten

Mi, 1. Feb 2017, 06:00
The Washington VAAC reported that on 1 February an ash emission was recorded by the webcam rising from Colima. Weather clouds prevented satellite observations of the event. Based on webcam and satellite images, the Mexico City MWO, and model data, the VAAC noted that during 3-6 February ash plumes rose to altitudes of 5.2-7.6 km (17,000-25,000 ft) a.s.l. and drifted NW, W, SW, and S. ... 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.
---
Source: GVP, Smithsonian Institute - Colima information
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