4.6 magnitude earthquake 56 km from Sardinal, Guanacaste, Costa Rica

1975-05-23 10:28:29 UTC

UTC time: Friday, May 23, 1975 10:28 AM
Your time: 1975-05-23T10:28:29Z
Magnitude Type: mb
USGS page: M 4.6 - off the coast of Costa Rica
USGS status: Reviewed by a seismologist
Reports from the public: 0 people