Event ID	1584698
Event time	2026-02-28 11:01:30 (UTC)
Local time	2026-02-28 02:01:30 - [It was night in the affected area.]
Last update	2026-02-28 11:07:05 (UTC)
Magnitude	4.2
Depth	50 km
Class	Light
Hypocenter	Shallow depth
Mercalli scale	3
Possible effects	Any people indoors feel movement. Hanging objects swing back and forth. People outdoors might not realize that an earthquake is occurring.
Data status
Data provider	EMSC

Continent	Asia
Country	Japan
Administration area	Hokkaidō
Nearest settlement	Nemuro
Distance	34 km
Course	E
Surface type	underwater quake
Tsunami region	North Pacific
Water surface name	North Pacific Ocean

Nearest nuclear power plants

There is no known nuclear power plant nearby.

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Nearest marine ports

Hanasaki Ko (33,86 km), Hanasaki Ko (33,86 km), Nemuro Ko (34,00 km), Nemuro Ko (34,00 km), Shakotan (92,16 km)

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Nearest airports

Camp Nemuro Sub Base JASDF Heliport (32,22 km), Camp Nemuro Sub Base JASDF Heliport (32,22 km), Mendeleyevo Airport (77,50 km), Mendeleyevo Airport (77,50 km), Vice Camp JGSDF Shibetsu Heliport (81,01 km)

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Nearest volcanoes

Tomariyama [Golovnin] volcano (72,51 km), Raususan [Mendeleev] volcano (78,46 km), Musa volcano (99,33 km), Onnebetsu volcano (110,38 km), Unabetsu volcano (110,61 km)

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Quick Analysis

According to the epicenter of the quake, this is an underwater quake.