7.1mw

The 1999 Hector Mine, California Earthquake

16.10.1999 09:46 UTC Depth 13.7 km

Sensitivity zones: strong — up to 72.1 km moderate — up to 180.4 km weak — up to 400.8 km

Event details

Magnitude: 7.1 (mw)
Time (UTC): 16.10.1999 09:46:44
Coordinates: 34.6033, -116.2650
Depth: 13.7 km
USGS status: reviewed by a seismologist
Significance (sig): 1576
"Did You Feel It?" reports: 25 124
Reported intensity (CDI): 8.0 / 10
Estimated intensity (MMI): 8.3 / 10
Stations used: 73

Event page on USGS ↗

Sensitivity zones

Approximate radii, derived from magnitude and hypocentre depth, within which shaking is typically felt:

strong — up to 72.1 km
moderate — up to 180.4 km
weak — up to 400.8 km

"I felt it" reports

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Earthquakes nearby

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