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M6.6 earthquake, Peru, 1987-08-13

MagnitudeM6.6mw

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Depth36 km

Time (UTC)1987-08-13 15:23

Rank in 198743 / 166among M6+

Rank since 19003508 / 14,458

Energy vs an M6×8approx.

36 km SSW of Locumba, Peru · -17.90, -70.93

M6.5+ within 300 km (largest first)

2014 M8.2M8.2

2005 M7.8M7.8

2001 M7.6M7.6

1922 M7.2M7.2

1940 M7.2M7.2

1914 M7.2M7.2

1987 M7.2M7.2

1988 M7.1M7.1

1958 M7.0M7.0

1911 M6.9M6.9

1906 M6.9M6.9

1979 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.2 1987-08-08	1987-08-08 15:48	70 km	68 km SSE of Arica, Chile
M6.0 1987-07-13	1987-07-13 19:14	241 km	1 km SSE of Caminaca, Peru
M6.0 1985-05-18	1985-05-18 16:59	110 km	141 km SSW of Curahuara de Carangas, Bolivia
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 1983-02-25	1983-02-25 22:49	146 km	77 km SE of Palca, Peru
M6.3 1983-01-01	1983-01-01 05:31	172 km	42 km S of Desaguadero, Peru
M6.1 1980-05-26	1980-05-26 18:41	114 km	134 km NE of Iquique, Chile
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

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.