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M7.7 earthquake, Peru, 1963-08-15

MagnitudeM7.7mw

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Depth550 km

Time (UTC)1963-08-15 17:25

Rank in 19634 / 129among M6+

Rank since 1900306 / 14,458

Energy vs an M6×320approx.

50 km N of Sandia, Peru · -13.87, -69.41

M6.5+ within 300 km (largest first)

1994 M8.2M8.2

1963 M7.7M7.7

1958 M7.5M7.5

2022 M7.2M7.2

2019 M7.0M7.0

1994 M6.9M6.9

1928 M6.7M6.7

1997 M6.7M6.7

1905 M6.7M6.7

1920 M6.5M6.5

1928 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.5 1958-07-26	1958-07-26 17:37	612 km	81 km SSE of Puerto Rosario de Laberinto, Peru
M6.3 1956-08-23	1956-08-23 13:48	35 km	36 km W of Mapiri, Bolivia
M6.4 1947-02-24	1947-02-24 17:31	20 km	5 km WNW of Mapiri, Bolivia
M6.5 1928-04-27	1928-04-27 20:35	25 km	41 km S of Mazuko, Peru
M6.7 1928-04-09	1928-04-09 17:34	25 km	41 km NE of Corani, Peru
M6.5 1920-10-07	1920-10-07 20:54	15 km	57 km NNE of Salvación, Peru
M6.7 1905-04-26	1905-04-26 21:43	35 km	central Peru

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.