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M6.8 earthquake, Philippines, 1987-10-29

MagnitudeM6.8mw

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Depth153 km

Time (UTC)1987-10-29 20:23

Rank in 198729 / 166among M6+

Rank since 19002346 / 14,458

Energy vs an M6×16approx.

239 km SE of Pondaguitan, Philippines · 4.82, 127.69

M6.5+ within 300 km (largest first)

1924 M8.1M8.1

1972 M8.0M8.0

1913 M7.9M7.9

1943 M7.8M7.8

1936 M7.8M7.8

1966 M7.7M7.7

1910 M7.6M7.6

1969 M7.6M7.6

1984 M7.5M7.5

2001 M7.5M7.5

1912 M7.5M7.5

1914 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1987-06-05	1987-06-05 21:25	45 km	185 km SE of Pondaguitan, Philippines
M6.7 1987-05-12	1987-05-12 01:30	25 km	22 km SE of Manay, Philippines
M6.5 1987-05-11	1987-05-11 09:59	94 km	269 km SE of Pondaguitan, Philippines
M6.0 1986-11-11	1986-11-11 00:02	79 km	153 km WNW of Tobelo, Indonesia
M6.0 1986-09-25	1986-09-25 20:06	45 km	240 km SE of Sarangani, Philippines
M6.4 1986-08-17	1986-08-17 15:27	31 km	131 km WNW of Tobelo, Indonesia
M6.6 1986-06-17	1986-06-17 18:13	32 km	6 km SSW of Pangyan, Philippines
M6.0 1986-06-17	1986-06-17 10:38	33 km	89 km SE of Pondaguitan, Philippines
M6.4 1986-05-08	1986-05-08 14:37	166 km	85 km S of Sarangani, Philippines
M6.3 1985-12-14	1985-12-14 06:46	22 km	228 km SSE of Sarangani, 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.