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█ Latest Earthquake Information
The following information was automatically determined by the NIED Hi-net system.    See for details
Hypocenter Region HYUGANADA REGION
Origin Time (JST) Jun 05, 2023 01:04:01.02
Latitude 32.701N
Longitude 132.040E
Depth 39.7km
Magnitude 3.3

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "E OFF FUKUSHIMA PREF" on Jun 04, 22:59 (JST).
- Jun 04, 2023 22:59:48 (JST) Announcement
- Jun 04, 2023 23:03:38 (JST) Update
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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
   Jun 04, 2023 (JST)   NORTHERN CHIBA PREF   M4.8
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Origin Time (JST) Jun 04, 2023 10:58:32.77
Latitude 35.81N
Longitude 140.09E
Depth 71km
Magnitude 4.8
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 2.6˚/63.4˚
Plane2 Strike/Dip 154.5˚/29.5˚
P-Axis Azimuth/Take-off 82.7˚/72.6˚
T-Axis Azimuth/Take-off 299.5˚/21.4˚
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National Research Institute for Earth Science and Disaster Resilience.
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