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Emmons Lake Volcanic Center reported activity

EMMONS LAKE VOLCANIC CENTER LINKS

SAMPLES
EVENT SPECIFIC INFORMATION

Start:July 2003 Observed

Fumarolic or hydrothermal activity: BibCard
Eruption Type:Not an eruption.
Other""

Description: From McGimsey and others (2005): "On July 7, 2003, AVO scientists conducting seismic network maintenance near Mt. Hague on the rim of Emmons Lake Caldera noticed that the crater lake typically present was almost completely gone and all that remained was a few isolated pools surrounded by several vigorously venting fumaroles, and yellow sulfur deposits in the center of the crater. Mud cracks suggested that the lake had drained or evaporated rather recently. A photograph taken a week later, August 16, 2003, shows a full lake. Photographs taken of the crater lake on August 16, 2002 also show the lake filled with water.

"The Hague crater lake apparently has a history of draining and refilling. Sporadic checks of the crater since 1973 have found it empty about as often as full (T. Miller, written communication, 2003). The most recent observations [2003] verify that the lake is capable of reforming within days or weeks."

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Page modified: June 11, 2014 13:55
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