Home › 1984 › Russia

M6.5 earthquake, Russia, 1984-04-23

MagnitudeM6.5mw

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.

Depth414 km

Time (UTC)1984-04-23 21:40

Rank in 198435 / 133among M6+

Rank since 19004339 / 14,458

Energy vs an M6×6approx.

263 km NNW of Kuril’sk, Russia · 47.45, 146.69

M6.5+ within 300 km (largest first)

2012 M7.7M7.7

1900 M7.5M7.5

2002 M7.3M7.3

2020 M7.0M7.0

1987 M6.8M6.8

1994 M6.7M6.7

2024 M6.5M6.5

1962 M6.5M6.5

1984 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1984-02-01	1984-02-01 07:28	573 km	255 km E of Poronaysk, Russia
M6.2 1972-08-21	1972-08-21 06:23	587 km	289 km E of Poronaysk, Russia
M6.5 1962-05-07	1962-05-07 17:39	25 km	76 km W of Kuril’sk, Russia
M6.3 1947-10-10	1947-10-10 07:32	15 km	102 km WSW of Kuril’sk, Russia
M6.2 1935-06-25	1935-06-25 12:33	15 km	Kuril Islands
M6.2 1921-10-12	1921-10-12 07:52	15 km	131 km ENE of Kuril’sk, Russia
M6.2 1916-02-06	1916-02-06 10:52	15 km	northwest of the Kuril Islands
M6.4 1915-06-27	1915-06-27 15:25	15 km	150 km ENE of Kuril’sk, Russia
M7.5 1900-01-31	1900-01-31 19:22	450 km	Sea of Okhotsk

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.