November 8, 1998

GRAND CANYON REGION

Last evening at 5:24 p.m. local time (Saturday night 11/7) another earthquake struck the Grand Canyon region. This event was a magnitude 3.2 centered 13 miles northwest of Grand Canyon Village, approximately 6 miles beneath Point Sublime. This earthquake follows a swarm of small events during the week as well as a magnitude 3.4 earthquake that struck the South Rim area on October 31^st at 8:24 p.m. local time. Last night's earthquake, as well as the earthquake on October 31^st and several of the smaller earthquakes during the last week were felt by rangers and campers at Phantom Ranch. No damage has been reported.

The South Rim area continues to be the most seismically active region of Arizona, including earthquakes in March 1992 with magnitudes of 4.0 and 4.5. The magnitude 4.9 and 5.4 earthquakes of April 1993 occurred 30 miles south of last night's epicenter.

The earthquake data are as follows:

Magnitude (M_L) 3.2 Saturday, November 7, 1998 5:24 p.m. 36.293N x 112.384W