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M8.3 earthquake, Philippines Earthquake, 1918-08-15

MagnitudeM8.3mw

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Depth20 km

Time (UTC)1918-08-15 12:18

Rank in 19181 / 94among M6+

Rank since 190024 / 14,458

Energy vs an M6×2,818approx.

1918 Mindanao, Philippines Earthquake · 5.54, 123.99

M6.5+ within 300 km (largest first)

1918 M8.3M8.3

1924 M8.1M8.1

1976 M7.9M7.9

1913 M7.9M7.9

2026 M7.8M7.8

1936 M7.8M7.8

1972 M7.7M7.7

1910 M7.6M7.6

2010 M7.6M7.6

2002 M7.5M7.5

2010 M7.5M7.5

1984 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.9 1918-02-07	1918-02-07 05:20	35 km	4 km ESE of Panikian, Philippines
M6.6 1917-11-16	1917-11-16 22:17	65 km	114 km SSE of Pondaguitan, Philippines
M6.9 1917-01-31	1917-01-31 04:00	35 km	37 km S of Daliao, Philippines
M6.8 1915-09-11	1915-09-11 23:59	550 km	173 km SW of Palimbang, Philippines
M7.9 1913-03-14	1913-03-14 08:45	15 km	47 km ESE of Kalbay, Philippines
M6.8 1911-03-06	1911-03-06 17:30	100 km	37 km E of Lamitan, Philippines
M6.5 1910-12-18	1910-12-18 02:45	35 km	62 km S of Sarangani, Philippines
M7.6 1910-12-16	1910-12-16 14:44	15 km	101 km SE of Sarangani, Philippines
M7.2 1907-03-29	1907-03-29 20:46	500 km	295 km SSE of Tabiauan, Philippines

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.