posted on Sep, 26 2004 @ 11:51 PM
When disturbances are frequent and small 1 point or so monitoring increase when shallow stuff increases to 2-3 points paranoia sets in. Further in my
humble opinion no growth in the dome leads more to explosive reaction as opposed to venting. These are just my interpretations.
SEATTLE - A strengthening series of earthquakes at Mount St. Helen's prompted seismologists Sunday to warn that the once-devastating volcano may see
a small explosion soon.
The U.S. Geological Survey (news - web sites) issued a notice of volcanic unrest in response to the swarm of hundreds of earthquakes that began
"The key issue is a small explosion without warning. That would be the major event that we're worried about right now," said Willie Scott, a
geologist with the USGS (news - web sites) office in Vancouver.
The quakes were tiny at first, but on Saturday and Sunday there were more than 10 temblors of magnitude 2.0 to 2.8, the most in a 24-hour period since
the last dome-building eruption in October 1986, Scott said