6.9mw
The 1940 Imperial Valley, California Earthquake
Sensitivity zones:
strong — up to 60.8 km
moderate — up to 152.1 km
weak — up to 337.9 km
Sensitivity zones
Approximate radii, derived from magnitude and hypocentre depth, within which shaking is typically felt:
- strong — up to 60.8 km
- moderate — up to 152.1 km
- weak — up to 337.9 km
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