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M7.1 earthquake, Peru, 1988-04-12

MagnitudeM7.1mw

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Depth33 km

Time (UTC)1988-04-12 23:19

Rank in 19887 / 122among M6+

Rank since 19001169 / 14,458

Energy vs an M6×45approx.

30 km SW of Islay (Matarani), Peru · -17.19, -72.31

M6.5+ within 300 km (largest first)

2001 M8.4M8.4

1913 M7.7M7.7

2001 M7.6M7.6

1922 M7.2M7.2

1914 M7.2M7.2

2024 M7.2M7.2

2013 M7.1M7.1

1988 M7.1M7.1

1958 M7.0M7.0

1906 M6.9M6.9

1979 M6.9M6.9

1991 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1988-03-09	1988-03-09 21:33	32 km	136 km SSW of Atico, Peru
M6.6 1987-08-13	1987-08-13 15:23	36 km	36 km SSW of Locumba, Peru
M6.5 1984-06-18	1984-06-18 11:20	117 km	7 km WNW of Uñon, Peru
M6.1 1984-02-26	1984-02-26 08:18	113 km	11 km N of Ilabaya, Peru
M6.9 1979-02-16	1979-02-16 10:08	53 km	24 km NNE of El Cardo, Peru
M6.0 1970-06-17	1970-06-17 04:44	109 km	26 km N of Yura, Peru
M6.5 1969-07-19	1969-07-19 04:54	57 km	48 km SW of Islay (Matarani), Peru
M6.5 1964-01-26	1964-01-26 09:09	118 km	14 km WNW of Cerro Verde, Peru
M7.0 1958-01-15	1958-01-15 19:14	64 km	21 km SW of Santa Rita de Siguas, Peru
M6.6 1956-01-08	1956-01-08 20:54	52 km	58 km SSW of Arica, Chile

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.