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Vsevidof reported activity

VSEVIDOF LINKS

SAMPLES
EVENT SPECIFIC INFORMATION

This is a questionable event.

Start:March 11, 1957 Observed
Stop:March 12, 1957 Observed

Tephra plume: BibCard
Radial fissure: BibCard
Phreatic: BibCard
Seismicity with no confirmed eruption: BibCard BibCard
Eruption Type:Explosive
MaxVEI: 2 BibCard

Description: From Miller and others (1998): "Another phreatic eruption, possibly from the west rift, occurred in March, 1957 (Byers, 1959, p. 305, citing article in Anchorage Times of March 12, 1957). Earthquakes were felt throughout southeast Umnak, and residents of Nikolski, the island's main village 24 km southwest of Vsevidof, reportedly observed discharge of steam and volcanic ash. However, in a subsequent article (Anchorage Times, March 15, 1957) a pilot reportedly observed no evidence of a volcanic eruption." The smoke and steam were concurrent with a large earthquake in the vicinity of Adak.

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Page modified: June 11, 2014 13:55
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