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M7.0 earthquake, Peru, 1983-04-12

MagnitudeM7.0mw

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Depth104 km

Time (UTC)1983-04-12 12:07

Rank in 198312 / 136among M6+

Rank since 19001487 / 14,458

Energy vs an M6×32approx.

92 km NNE of La Peca, Peru · -4.84, -78.10

M6.5+ within 300 km (largest first)

2005 M7.5M7.5

1906 M7.5M7.5

2021 M7.5M7.5

1971 M7.4M7.4

1928 M7.3M7.3

1970 M7.2M7.2

1997 M7.2M7.2

1991 M7.1M7.1

1928 M7.1M7.1

1995 M7.0M7.0

1983 M7.0M7.0

1968 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1975-03-18	1975-03-18 17:21	98 km	76 km NNW of Barranca, Peru
M6.4 1972-03-20	1972-03-20 07:33	52 km	6 km N of Saposoa, Peru
M7.4 1971-07-27	1971-07-27 02:02	113 km	98 km ESE of Sucúa, Ecuador
M7.2 1970-12-10	1970-12-10 04:34	19 km	9 km ENE of Papayal, Peru
M6.8 1968-06-19	1968-06-19 08:13	16 km	48 km NNE of Segunda Jerusalén - Azunguillo, Peru
M6.1 1967-11-04	1967-11-04 16:26	94 km	Peru-Ecuador border region
M6.2 1963-11-03	1963-11-03 03:10	25 km	98 km E of Gualaquiza, Ecuador
M6.6 1963-05-10	1963-05-10 22:22	20 km	55 km ENE of Macas, Ecuador
M6.5 1963-04-13	1963-04-13 02:20	120 km	17 km NE of Tabaloslos, Peru
M6.2 1958-05-25	1958-05-25 21:11	46 km	80 km ENE of Gualaquiza, Ecuador

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.