M 6.8 earthquake near North Pacific Ocean (Mexico) — 1931-01-02

Magnitude 6.8 earthquake near North Pacific Ocean (320 km SW, Mexico), depth 20 km, 02:49 Local (1931-01-02 09:49 UTC). Shaking felt by ~12M people. Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (320 km SW, Mexico) — 18.707, -107.479