Seismic station VALT, in the crater of Mount St. Helens, detects sm...

Seismic station VALT, in the crater of Mount St. Helens, detects sm...

Detailed Description

Seismic station VALT, in the crater of Mount St. Helens, detects small earthquakes on March 16-18, 2016. Note that the seismic station also detects a helicopter noise (middle of the graphic) and wind (bottom of the graphic).

Details

Image Dimensions: 612 x 485

Date Taken:

Source:


USGS-CVO