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M7.0 earthquake, Argentina, 1987-04-01

MagnitudeM7.0mw

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Depth249 km

Time (UTC)1987-04-01 01:48

Rank in 198712 / 166among M6+

Rank since 19001500 / 14,458

Energy vs an M6×32approx.

52 km W of Abra Pampa, Argentina · -22.77, -66.20

M6.5+ within 300 km (largest first)

1950 M8.2M8.2

1957 M7.7M7.7

2024 M7.4M7.4

1910 M7.2M7.2

2000 M7.2M7.2

1997 M7.1M7.1

1909 M7.0M7.0

1993 M7.0M7.0

1987 M7.0M7.0

2026 M6.9M6.9

1948 M6.9M6.9

1971 M6.9M6.9

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1984-12-11	1984-12-11 23:22	92 km	33 km E of Calama, Chile
M6.2 1984-10-20	1984-10-20 17:59	192 km	54 km WNW of San Antonio de los Cobres, Argentina
M6.0 1984-01-01	1984-01-01 22:08	272 km	48 km WSW of Abra Pampa, Argentina
M6.1 1980-12-11	1980-12-11 18:15	80 km	153 km NNE of Calama, Chile
M6.2 1975-08-10	1975-08-10 10:25	166 km	92 km W of Abra Pampa, Argentina
M6.4 1974-01-02	1974-01-02 10:42	105 km	45 km NNW of San Pedro de Atacama, Chile
M6.1 1973-10-25	1973-10-25 14:08	529 km	4 km NNE of Yacuiba, Bolivia
M6.1 1973-02-01	1973-02-01 05:14	229 km	51 km W of Abra Pampa, Argentina
M6.9 1971-02-21	1971-02-21 10:35	189 km	99 km WNW of San Antonio de los Cobres, Argentina
M6.6 1970-06-11	1970-06-11 06:02	112 km	176 km S of San Pedro de Atacama, 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.