It was 30 years ago this coming weekend a relatively small 4.2 magnitude earthquake beneath Mount St. Helens initiated a drama that lasted about two months, until its cataclysmic eruption on 18 May 1980, killing 57 people. The image shown above (click to enlarge) shows the mountain's northeast side, prior to the eruption.Here's the announcement from the USGS: Mount St. Helens Reawakens: The Thirtieth Anniversary.
Image courtesy Wikipedia.
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