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Colima volcano Volcanic Ash Advisory: VA EMS NEAR 1345Z

Mi, 25. Jan 2017, 14:45
14:45 PM |
Volcanic Ash Advisory Center Washington (VAAC) issued the following report:

FVXX20 at 14:36 UTC, 25/01/17 from KNES
VA ADVISORY
DTG: 20170125/1434Z

VAAC: WASHINGTON

VOLCANO: COLIMA
341040
PSN: N1930 W10337

AREA: MEXICO

SUMMIT ELEV: 12631 FT [3850
M]

ADVISORY NR: 2017/119

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

ERUPTION DETAILS: VA EMS NEAR 1345Z

OBS
VA DTG: 25/1415Z

OBS VA CLD: SFC/FL230 N2002 W10314 - N1938 W10259
-
N1930 W10334 - N1934 W10337 - N2002 W10314 MOV
N 25-30KT

FCST VA CLD
+6HR: 25/2030Z SFC/FL230 N2150 W09955
- N2030 W09922 - N2010 W10113 -
N2053 W10132 -
N2150 W09955

FCST VA CLD +12HR: 26/0230Z SFC/FL230 NO
ASH EXP

FCST VA CLD +18HR: 26/0830Z NO ASH EXP

RMK: T+0 CONFIDENCE
HIGH. RPRT OF VA EMS NEAR
1345Z CONFIRMED IN STLT IMAGERY AND VO WEB
CAMERA.
FORECAST BASED OFF LATEST GFS MODEL. ...FISHER

NXT ADVISORY:
WILL BE ISSUED BY 20170125/2030Z

Vorherige Nachrichten

Mi, 25. Jan 2017, 06:00
Based on webcam and satellite images, the Mexico City MWO, and model data, the Washington VAAC reported that during 25-29 January ash plumes from Colima rose to altitudes of 4.7-7 km (17,000-26,000 ft) a.s.l. and drifted NE. Ash plumes were identified in satellite images at least 370 and 650 km NE of Colima on 25 and 27 January, respectively. ... 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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