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M6.6 earthquake, Philippines, 1933-03-17

MagnitudeM6.6mw

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Depth35 km

Time (UTC)1933-03-17 19:32

Rank in 193322 / 101among M6+

Rank since 19003304 / 14,458

Energy vs an M6×9approx.

104 km E of Pondaguitan, Philippines · 6.25, 127.12

M6.5+ within 300 km (largest first)

1924 M8.1M8.1

1972 M8.0M8.0

1913 M7.9M7.9

2026 M7.8M7.8

1943 M7.8M7.8

1936 M7.8M7.8

1911 M7.7M7.7

1910 M7.6M7.6

1969 M7.6M7.6

1989 M7.6M7.6

2023 M7.6M7.6

1984 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.7 1931-03-18	1931-03-18 20:13	35 km	60 km S of Pondaguitan, Philippines
M6.0 1930-01-25	1930-01-25 01:38	35 km	6 km NW of Mahanob, Philippines
M6.1 1929-11-18	1929-11-18 05:40	15 km	81 km ESE of Bobon, Philippines
M6.8 1929-11-17	1929-11-17 03:43	35 km	21 km E of Pondaguitan, Philippines
M6.0 1929-11-05	1929-11-05 11:38	35 km	19 km SE of Marihatag, Philippines
M6.1 1929-09-02	1929-09-02 11:12	35 km	60 km E of Barcelona, Philippines
M6.4 1929-06-30	1929-06-30 02:44	30 km	64 km E of Aras-asan, Philippines
M6.4 1929-06-19	1929-06-19 07:30	35 km	41 km E of Hinatuan, Philippines
M6.2 1929-06-17	1929-06-17 10:16	35 km	39 km ENE of Hinatuan, Philippines
M6.2 1929-06-13	1929-06-13 23:00	35 km	58 km ENE of Barcelona, 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.