1915 Pleasant Valley earthquake

1915 Pleasant Valley earthquake
The Tobin Range on the east side of the valley showing the fault scarp (marked by the white line)
Winnemucca
Battle Mountain
Lovelock
UTC time1915-10-03 06:53:21
ISC event913944
USGS-ANSSComCat
Local dateOctober 2, 1915
Local time22:53:21
Magnitude6.8Mw, 7.7Ms
Depth10 km (6.2 mi)
Epicenter40°16′N 117°39′W / 40.26°N 117.65°W / 40.26; -117.65
Areas affectedPershing County, Nevada
United States
Total damageLimited
Max. intensityMMI X (Extreme)

The 1915 Pleasant Valley earthquake occurred at 22:53:21 on October 2 in north-central Nevada. With a moment magnitude of 6.8, a surface wave magnitude of 7.7, and a maximum Mercalli intensity of X (Extreme), it was the strongest earthquake ever recorded in the state.