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M7.7 earthquake, Taiwan, 1922-09-01

MagnitudeM7.7mw

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Depth20 km

Time (UTC)1922-09-01 19:16

Rank in 19223 / 81among M6+

Rank since 1900300 / 14,458

Energy vs an M6×343approx.

50 km SSE of Yilan, Taiwan · 24.36, 122.00

M6.5+ within 300 km (largest first)

1920 M8.2M8.2

1910 M8.1M8.1

1951 M7.8M7.8

1999 M7.7M7.7

1922 M7.7M7.7

1966 M7.5M7.5

1951 M7.5M7.5

1919 M7.4M7.4

1978 M7.4M7.4

1986 M7.4M7.4

2024 M7.4M7.4

1951 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1922-05-22	1922-05-22 18:04	15 km	35 km WNW of Douliu, Taiwan
M6.1 1922-04-07	1922-04-07 15:58	15 km	12 km ESE of Tainan, Taiwan
M7.0 1921-04-02	1921-04-02 09:36	15 km	84 km SE of Ishigaki, Japan
M6.1 1920-10-20	1920-10-20 19:16	35 km	46 km WNW of Yonakuni, Japan
M6.9 1920-10-20	1920-10-20 10:02	15 km	55 km SE of Yilan, Taiwan
M8.2 1920-06-05	1920-06-05 04:21	20 km	1920 Hualien, Taiwan Earthquake
M7.4 1919-12-20	1919-12-20 20:37	20 km	122 km ENE of Hengchun, Taiwan
M6.8 1919-12-20	1919-12-20 19:34	15 km	134 km S of Hualien City, Taiwan
M6.5 1919-10-31	1919-10-31 19:02	15 km	22 km E of Lugu, Taiwan
M6.4 1918-03-27	1918-03-27 03:52	15 km	29 km ESE of Jiufen, Taiwan

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.