1984 Morgan Hill earthquake |Date||24 April 1984| |Depth||8
kilometers (5.0 mi)| |Countries or regions||United States The
1984 Morgan Hill Earthquake (also Halls Valley Earthquake) was a
magnitude 6.2 earthquake that occurred on April 24, 1984 at 1:15
p.m. local time, in the south San Francisco Bay Area,
California. The epicenter of the quake was located near Mount
Hamilton in the Diablo Range of the California Coast Ranges,
although nearby communities, including Morgan Hill, sustained
serious damage. Damages from the earthquake totaled US$7
million, not taking into account damages to high-tech industrial
facilities. The earthquake occurred along the Calaveras Fault,
with the epicenter 16 kilometers (9.9 mi) northeast of San Jose,
and at a depth of 8 km (5.0 mi). The outline of aftershocks show
that the rupture propagated southeast over a 25 km (16 mi)
section of the fault, as far as San Martin. The earthquake was
reported to be felt over an area of 120,000 square kilometers
(46,000 sq mi) and caused over $7