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M6.7 earthquake, Japan, 1987-03-18

MagnitudeM6.7mw

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Depth54 km

Time (UTC)1987-03-18 03:36

Rank in 198731 / 166among M6+

Rank since 19002883 / 14,458

Energy vs an M6×11approx.

33 km ESE of Takanabe, Japan · 32.03, 131.84

M6.5+ within 300 km (largest first)

1941 M8.0M8.0

1931 M7.9M7.9

1961 M7.5M7.5

1909 M7.5M7.5

1968 M7.5M7.5

1916 M7.4M7.4

1923 M7.4M7.4

1913 M7.2M7.2

1904 M7.1M7.1

2024 M7.1M7.1

1969 M7.1M7.1

1961 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.9 1984-08-06	1984-08-06 19:06	46 km	34 km SE of Nobeoka, Japan
M6.5 1983-08-25	1983-08-25 20:23	126 km	6 km SE of Bungo-Takada-shi, Japan
M6.3 1978-05-23	1978-05-23 07:50	161 km	29 km SW of Makurazaki, Japan
M6.1 1975-04-20	1975-04-20 17:35	7 km	16 km SE of Tsukawaki, Japan
M6.0 1972-06-21	1972-06-21 15:29	36 km	40 km ESE of Takanabe, Japan
M6.0 1971-05-29	1971-05-29 08:52	49 km	20 km SE of Kushima, Japan
M6.2 1971-05-26	1971-05-26 06:13	51 km	24 km SE of Kushima, Japan
M6.1 1971-05-25	1971-05-25 13:00	27 km	24 km SSE of Kushima, Japan
M6.2 1970-07-26	1970-07-26 07:10	46 km	28 km ESE of Tsunō, Japan
M7.0 1970-07-25	1970-07-25 22:41	43 km	21 km SE of Tsunō, Japan

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.