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M7.1 earthquake, Peru, 1928-07-18

MagnitudeM7.1mw

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Depth35 km

Time (UTC)1928-07-18 19:05

Rank in 192814 / 119among M6+

Rank since 19001273 / 14,458

Energy vs an M6×43approx.

15 km SSW of Huabal, Peru · -5.73, -78.98

M6.5+ within 300 km (largest first)

1960 M7.6M7.6

2005 M7.5M7.5

1906 M7.5M7.5

2021 M7.5M7.5

1928 M7.3M7.3

1970 M7.2M7.2

1997 M7.2M7.2

1937 M7.1M7.1

1991 M7.1M7.1

1928 M7.1M7.1

1983 M7.0M7.0

1968 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1928-05-15	1928-05-15 02:36	35 km	34 km NNE of Las Pirias, Peru
M7.3 1928-05-14	1928-05-14 22:14	10 km	23 km N of Bellavista, Peru
M6.3 1925-12-27	1925-12-27 17:38	15 km	115 km SSW of Sechura, Peru
M6.2 1914-09-25	1914-09-25 10:30	35 km	20 km WNW of Las Lomas, Peru
M6.8 1912-07-24	1912-07-24 11:59	35 km	13 km ESE of Huangala, Peru
M7.5 1906-09-28	1906-09-28 15:24	100 km	16 km W of Barranca, 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.