International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis

Earthquake Report
Base data
Event ID 452295
Event time 2021-05-11 23:30:00 (UTC)
Local time 2021-05-12 08:30:00 - [It was morning in the affected area.]
Last update 2021-05-11 23:30:00 (UTC)
Magnitude 4.2
Depth 30 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 automatic
Data provider Japan Meteorological Agency (Earthquake)

Continent Asia
Country Japan
Administration area Iwate
Nearest settlement Kurosaki
Distance 45 km
Course ENE
Surface type underwater quake
Tsunami region North Pacific
Water surface name North Pacific Ocean

Risk Analisys
Nearest nuclear power plants
Higashi Dori 1 (Tohoku) (138.85 km)
Nearest marine ports
Miyako (72.34 km), Hachinohe Ko (80.99 km), Kamaishi Ko (112.24 km), Ofunato (140.04 km)
Nearest airports
Hachinohe Airport (88.49 km), Misawa Air Base (103.71 km), Hanamaki Airport (137.95 km)
Nearest volcanoes
Nanashigure volcano (110.76 km), Iwatesan volcano (125.21 km), Towada volcano (133.33 km), Hachimantai volcano (134.26 km), Hakkodasan volcano (138.64 km), Nyuto-Takakura volcano (139.89 km), Tamagawa volcano (141.87 km), Akita-Yakeyama volcano (142.22 km), Akita-Komagatake volcano (144.88 km), Okiura volcano (147.30 km), Kayo volcano (148.58 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.