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M7.3 earthquake, Costa Rica, 1904-12-20

MagnitudeM7.3mw

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Depth10 km

Time (UTC)1904-12-20 05:44

Rank in 19045 / 21among M6+

Rank since 1900789 / 14,458

Energy vs an M6×86approx.

53 km SSE of Quepos, Costa Rica · 8.96, -84.04

M6.5+ within 300 km (largest first)

1991 M7.6M7.6

2012 M7.6M7.6

1939 M7.6M7.6

1934 M7.5M7.5

1950 M7.5M7.5

1941 M7.5M7.5

1990 M7.3M7.3

1904 M7.3M7.3

1904 M7.2M7.2

1900 M7.2M7.2

1962 M7.2M7.2

1916 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.2 1904-01-20	1904-01-20 14:51	10 km	45 km SW of Quebrada de Piedra, Panama
M7.2 1900-06-21	1900-06-21 20:52	–	Costa Rica

Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.