M 4.5 earthquake near La Rioja, Argentina — 1977-08-28

Magnitude 4.5 earthquake near 95 km NW of La Rioja (Argentina), depth 148 km, 18:35 Local (1977-08-28 21:35 UTC). Shaking felt by ~52K people. Readings from every reporting agency, affected towns, aftershock sequence.

95 km NW of La Rioja (Argentina) — -28.696, -67.379