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The 1989 earthquake swarm beneath Mammoth Mountain, California: an initial look at the 4 May through 30 September activity

Bulletin of the Seismological Society of America

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Abstract

Mammoth Mountain is a 50 000- to 200 000-yr-old cumulovolcano standing on the southwestern rim of Long Valley in eastern California. On 4 May 1989, two M=1 earthquakes beneath the south flank of the mountain marked the onset of a swarm that has continued for more than 6 months. In addition to its longevity, noteworthy aspects of this persistent swarm are described. These aspects of the swarm, together with its location along the southern extension of the youthful Mono-Inyo volcanic chain, which last erupted 500 to 600 yr ago, point to a magmatic source for the modest but persistent influx of strain energy into the crust beneath Mammoth Mountain. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The 1989 earthquake swarm beneath Mammoth Mountain, California: an initial look at the 4 May through 30 September activity
Series title:
Bulletin of the Seismological Society of America
Volume
80
Issue:
2
Year Published:
1990
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Bulletin of the Seismological Society of America
First page:
325
Last page:
339
Number of Pages:
15