International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis

Earthquake Report
Base data
Event ID 255704
Event time 2020-09-03 03:05:00 (UTC)
Local time 2020-09-03 12:05:00 - [It was afternoon in the affected area.]
Last update 2020-09-03 03:10:46 (UTC)
Magnitude 4.1
Depth 50 km
Class Light
Hypocenter Shallow depth
Mercalli scale 2
Possible effects A few people might notice movement if they are at rest and/or on the upper floors of tall buildings.
Data status automatic
Data provider Japan Meteorological Agency (Earthquake)

Continent Asia
Country Japan
Administration area Iwate
Nearest settlement Tanohama
Distance 17 km
Course E
Surface type underwater quake
Tsunami region North Pacific
Water surface name North Pacific Ocean

Risk Analisys
Nearest nuclear power plants
Onagawa 3 (126.36 km), Onagawa 2 (126.41 km), Onagawa 1 (126.46 km)
Nearest marine ports
Kamaishi Ko (29.76 km), Miyako (31.92 km), Ofunato (55.95 km), Kesennuma Ko (78.71 km), Onagawa (123.97 km), Ishinomaki Ko (134.93 km), Hachinohe Ko (137.66 km)
Nearest airports
Hanamaki Airport (91.55 km), Matsushima Air Base (139.41 km), Hachinohe Airport (142.99 km)
Nearest volcanoes
Iwatesan volcano (114.38 km), Nanashigure volcano (119.11 km), Yakeishi volcano (120.71 km), Nyuto-Takakura volcano (124.64 km), Akita-Komagatake volcano (126.60 km), Hachimantai volcano (130.84 km), Kurikomayama volcano (131.13 km), Kayo volcano (133.39 km), Tamagawa volcano (133.47 km), Tazawa volcano (136.26 km), Akita-Yakeyama volcano (138.50 km), Onikobe volcano (144.48 km), Takamatsu volcano (145.33 km), Naruko volcano (146.92 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.