Earthquake details

Thursday, June 21, 1979 Earthquake

The earthquake hit Japan on Thursday, June 21, 1979 at 14:05 UTC with a magnitude of 5.4. The closest known location in the current dataset is Otaru (Japan - JP), about 131.1 km away. The epicenter is located at longitude 139.696 and latitude 43.890.

Magnitude	5.4
Alert	Strong
Depth	233.0 km
Coordinates	43.890, 139.696
UTC time	1979-06-21 14:05:47.800

Location	Sapporo
Country	Japan (JP)
Severity	Strong

Earthquake map 1979-06-21

Closest countries

The 12 closest cities near the epicenter.

Otaru	131.1 km
Ishikari	152.1 km
Sapporo	162.0 km
Ebetsu	173.2 km
Takikawa	181.7 km
Kitahiroshima	182.3 km
Iwamizawa	183.4 km
Date	184.7 km
Bibai	185.3 km
Eniwa	188.2 km
Chitose	198.2 km
Noboribetsu	200.3 km

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.

M 4.2 Tomakomai Japan · 2026-01-11 11:11 UTC	210.2 km
M 4.4 Tomakomai Japan · 2025-11-01 16:46 UTC	201.3 km
M 4.3 Sapporo Japan · 2025-10-12 06:13 UTC	182.7 km
M 4.3 Tomakomai Japan · 2025-10-05 06:30 UTC	229.2 km
M 4.5 Tomakomai Japan · 2025-05-12 21:33 UTC	234.3 km

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