PSN-L Email List Message

Subject: AZ quake swarm
From: John Hernlund hernlund@.......
Date: Thu, 04 May 2000 14:07:19 -0700 (MST)

Got this at ASU, anybody else close enough to record these?

May 4, 2000

North Rim and Painted Desert Earthquake Swarms

During the past two days earthquakes have been occurring on the North Rim of the Grand Canyon and in the Painted Desert region of northern Arizona.

The largest of these earthquakes was a magnitude 3.2 earthquake in the Painted Desert about 15 miles southwest of Tuba City and 19 miles east of Desert View at a depth of about 12 miles below the surface. The magnitude 3.2 Painted Desert earthquake occurred at 11:48 pm Wednesday night, May 3rd.

The North Rim earthquakes have been centered along Bright Angel Canyon about 9 miles northeast of the Grand Canyon Village. The largest of which is a magnitude 2.5 that occurred at 10:29 pm on Tuesday night May 2nd.

The earthquake swarms have occurred in a sparsely populated areas and no felt or damage reports have been received at the center.

The data for the earthquake are as follows:

     =95Painted Desert, Magnitude (ML) 3.2, Wednesday May 3, 2000 11:48 p.m. 36.09N x 111.51W
     =95North Rim, Magnitude (ML) 2.5, Tuesday May 2, 2000 10:29 p.m. 36.16N x 112.01W

If you felt the earthquake, or for additional information, please phone Doug Bausch at the Arizona Earthquake Information Center at (520) 523-7196.

Doug Bausch, Research Associate
Northern Arizona University, Geology Department
Bldg. 12, Room 100
Box 4099, Flagstaff, AZ  86011
Tel. (520) 523-7196, fax. (520) 523-9220
Douglas.Bausch@.......    http:= //
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Larry Cochrane <cochrane@..............>