4.9 magnitude earthquake 52 km from Plutarco Elías Calles (La Y Griega), Sonora, Mexico

1976-10-21 14:58:18 UTC

UTC time: Thursday, October 21, 1976 14:58 PM
Your time: 1976-10-21T14:58:18Z
Magnitude Type: mb
USGS page: M 4.9 - Gulf of California
USGS status: Reviewed by a seismologist
Reports from the public: 0 people