Mt. Fitzherbert

VANCOUVER, Wash. - A 3.1 earthquake occurred near Mount St. Helens on Monday morning. The quake, at 9:08 a.m., was accompanied by a steam and ash plume. Airline pilots estimated the plume rose to 16,000-20,000 feet.

The National Weather Service issued an ashfall advisory, in effect until noon.

Carolyn Driedger with USGS said it looked as though some parts of the new dome and fin have collapsed, though it was not known if the quake caused the collapse or the collapse caused the quake.