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M6.6 earthquake, Japan, 1955-05-01

MagnitudeM6.6mw

This page is updated only once a day and is not an alert service. For current earthquake and tsunami information, check the Japan Meteorological Agency, the USGS and your local authorities.

Depth10 km

Time (UTC)1955-05-01 09:55

Rank in 195527 / 128among M6+

Rank since 19003949 / 14,458

Energy vs an M6×7approx.

154 km E of Miyako, Japan · 39.73, 143.74

M6.5+ within 300 km (largest first)

2011 M9.1M9.1

1933 M8.4M8.4

1968 M8.2M8.2

2003 M8.2M8.2

1952 M8.1M8.1

1960 M8.0M8.0

1931 M7.9M7.9

1968 M7.9M7.9

1994 M7.8M7.8

1919 M7.7M7.7

1938 M7.7M7.7

1978 M7.7M7.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1955-02-01	1955-02-01 19:16	55 km	56 km SE of Shizunai-furukawach?, Japan
M6.3 1954-09-12	1954-09-12 07:43	25 km	175 km ENE of Hachinohe, Japan
M6.0 1954-04-04	1954-04-04 23:14	56 km	69 km SE of Shizunai-furukawach?, Japan
M6.2 1953-12-07	1953-12-07 14:11	35 km	67 km SE of ?funato, Japan
M6.2 1953-05-26	1953-05-26 01:43	49 km	74 km SE of Shizunai-furukawach?, Japan
M6.6 1953-02-06	1953-02-06 13:13	45 km	99 km SSW of Kushiro, Japan
M6.1 1953-01-19	1953-01-19 04:57	44 km	120 km SE of Shizunai-furukawach?, Japan
M6.5 1952-10-31	1952-10-31 16:37	20 km	136 km ESE of Yamada, Japan
M6.0 1952-10-28	1952-10-28 16:45	15 km	126 km E of Yamada, Japan
M6.3 1952-10-28	1952-10-28 06:31	15 km	117 km E of Yamada, 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.