April 17, 1995

GRAND CANYON VILLAGE AREA

An earthquake of magnitude 4.1 on the Richter scale struck the Grand Canyon region about 5 miles southwest of Grand Canyon Village. The earthquake occurred just before 1:24am this morning. The South Rim area in the vicinity of Grand Canyon Village remains the most seismically active in Arizona.

The data for this morning's earthquake are as follows:

Magnitude (M_L) 4.1 Monday, April 17, 1995 1:23.46am 35.9N x 112.2W

We have reports that today's earthquake was felt in Tusayan, Grand Canyon Village, Valle, Williams and Flagstaff. Broken windows were reported in Tusayan.

Since the late 1980's the following earthquakes have been recorded in the vicinity of this morning's:

A swarm of earthquakes in September 1988. Approximately 100 earthquakes with the largest of Richter magnitude 3.1.
Two 4.0 earthquakes occurred within nine hours of one another on March 5, 1989.
On March 13, 1992 Richter magnitude 4.1 and 4.5 earthquakes occurred approximately one minute apart. These earthquakes were followed by 90 aftershocks ranging in size from Richter magnitude 1.0 to 3.1.
July 1992, Richter magnitude 3.9.
January 1993, Richter magnitude 3.5.
The Richter magnitude 4.9 and 5.4 Cataract Creek earthquakes of April 1993 occurred about 30 miles south of this morning's epicenter.
January 31, 1995, Richter magnitudes 2.3 and 2.5