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█ Latest Earthquake Information
The following information was automatically determined by the NIED Hi-net system.    See for details
Hypocenter Region E OFF HACHIJOJIMA ISLAND
Origin Time (JST) Jan 29, 2023 11:35:02.78
Latitude 32.980N
Longitude 140.593E
Depth 45.8km
Magnitude 3.0

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
AQUA system There are no upcoming hypocenter information.
What is "AQUA" System? (in Japanese)
Max . Amplitude Distribution Maps (in Japanese)
█ Notice of Hi-net Past Notice
Jul 29, 2022:  Information about maintenance at stations N.ST1H, 2H, 3H, 4H, 5H, and 6H
Mar 01, 2022:  The guidance of the updating user account 2022.
Aug 01, 2019:  Software to show 3D seismic velocity structure beneath Japan renewal
Jun 14, 2019:  Digital Object Identifiers (DOIs) for Datasets at NIED”Ēs seismograph networks (MOWLAS)
█ Recent Large Earthquake
   Jan 25, 2023 (JST)   E OFF FUKUSHIMA PREF   M5.4
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Hypocenter Region E OFF FUKUSHIMA PREF
Origin Time (JST) Jan 25, 2023 10:00:50.81
Latitude 37.56N
Longitude 141.66E
Depth 50km
Magnitude 5.4
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 222.3˚/15.0˚
Plane2 Strike/Dip 17.8˚/76.3˚
P-Axis Azimuth/Take-off 112.9˚/59.0˚
T-Axis Azimuth/Take-off 279.5˚/31.7˚
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High Sensitivity Seismograph Network Laboratory, Network Center for Earthquake, Tsunami and Volcano,
National Research Institute for Earth Science and Disaster Resilience.
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