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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 FUKUSHIMA PREF
Origin Time (JST) Apr 02, 2023 01:35:50.73
Latitude 37.621N
Longitude 141.675E
Depth 44.6km
Magnitude 3.2

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "E OFF MIYAGI PREF" on Apr 01, 22:57 (JST).
- Apr 01, 2023 22:57:17 (JST) Announcement
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What is "AQUA" System? (in Japanese)
Max . Amplitude Distribution Maps (in Japanese)
█ Notice of Hi-net Past Notice
Mar 20, 2023:  Software to show 3D seismic velocity structure beneath Japan renewal
Mar 01, 2023:  The guidance of the updating user account 2023.
Jul 29, 2022:  Information about maintenance at stations N.ST1H, 2H, 3H, 4H, 5H, and 6H
Jun 14, 2019:  Digital Object Identifiers (DOIs) for Datasets at NIED”Ēs seismograph networks (MOWLAS)
█ Recent Large Earthquake
   Apr 01, 2023 (JST)   OFF N NIIGATA PREF   M5.1
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Hypocenter Region OFF N NIIGATA PREF
Origin Time (JST) Apr 01, 2023 18:41:12.89
Latitude 38.33N
Longitude 138.84E
Depth 28km
Magnitude 5.1
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 224.3˚/52.4˚
Plane2 Strike/Dip 14.8˚/41.5˚
P-Axis Azimuth/Take-off 300.9˚/84.4˚
T-Axis Azimuth/Take-off 191.0˚/16.1˚
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