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M6.8 earthquake, Taiwan, 1919-12-20

MagnitudeM6.8mw

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Depth15 km

Time (UTC)1919-12-20 19:34

Rank in 191917 / 90among M6+

Rank since 19002549 / 14,458

Energy vs an M6×15approx.

134 km S of Hualien City, Taiwan · 22.78, 121.84

M6.5+ within 300 km (largest first)

1920 M8.2M8.2

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

1972 M7.3M7.3

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1919-10-31	1919-10-31 19:02	15 km	22 km E of Lugu, Taiwan
M6.0 1918-09-13	1918-09-13 11:03	25 km	104 km SSW of Hengchun, Taiwan
M6.4 1918-05-04	1918-05-04 06:06	15 km	87 km WSW of Hengchun, Taiwan
M6.4 1918-03-27	1918-03-27 03:52	15 km	29 km ESE of Jiufen, Taiwan
M6.5 1917-01-04	1917-01-04 16:50	15 km	16 km ESE of Taichung, Taiwan
M6.4 1916-11-14	1916-11-14 22:31	15 km	18 km NW of Douliu, Taiwan
M7.0 1916-08-28	1916-08-28 07:27	15 km	157 km E of Hengchun, Taiwan
M7.2 1915-02-28	1915-02-28 18:59	20 km	98 km SSW of Ishigaki, Japan
M7.3 1915-01-05	1915-01-05 23:26	215 km	92 km NNW of Yonakuni, Japan
M6.3 1914-07-06	1914-07-06 06:37	15 km	21 km SSE of Hsinchu, 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.