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M6.6 earthquake, Timor Leste, 1991-05-21

MagnitudeM6.6mw

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Depth18 km

Time (UTC)1991-05-21 11:00

Rank in 199133 / 137among M6+

Rank since 19003537 / 14,458

Energy vs an M6×8approx.

106 km N of Baukau, Timor Leste · -7.52, 126.54

M6.5+ within 300 km (largest first)

2006 M7.6M7.6

2004 M7.5M7.5

1917 M7.3M7.3

1983 M7.3M7.3

2021 M7.3M7.3

1969 M7.2M7.2

1905 M7.2M7.2

1962 M7.1M7.1

1995 M7.1M7.1

1952 M7.0M7.0

1998 M7.0M7.0

1966 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 1989-07-14	1989-07-14 20:42	10 km	59 km N of Maubara, Timor Leste
M6.2 1989-02-28	1989-02-28 13:48	196 km	108 km NNE of Lospalos, Timor Leste
M6.9 1988-05-30	1988-05-30 21:11	86 km	184 km NE of Lospalos, Timor Leste
M6.5 1988-02-20	1988-02-20 01:25	314 km	152 km N of Lospalos, Timor Leste
M6.7 1987-11-26	1987-11-26 01:43	33 km	108 km NNW of Pante Makasar, Timor Leste
M6.0 1986-05-27	1986-05-27 08:54	628 km	206 km NW of Maubara, Timor Leste
M6.0 1985-10-25	1985-10-25 18:12	596 km	197 km NNW of Maubara, Timor Leste
M6.2 1985-03-25	1985-03-25 11:07	248 km	Banda Sea
M6.4 1983-12-12	1983-12-12 09:26	137 km	108 km NNE of Lospalos, Timor Leste
M7.3 1983-11-24	1983-11-24 05:30	178 km	172 km NE of Lospalos, Timor Leste

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.