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█ Latest Earthquake Information
The following information was automatically determined by the NIED Hi-net system.    See for details
Origin Time (JST) Sep 22, 2023 06:22:42.17
Latitude 33.026N
Longitude 141.423E
Depth 116.1km
Magnitude 4.9

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "KUSHIRO REGION" on Sep 22, 02:25 (JST).
- Sep 22, 2023 02:25:51 (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
   Sep 19, 2023 (JST)   KINKAZAN REGION   M5.9
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Hypocenter Region KINKAZAN REGION
Origin Time (JST) Sep 19, 2023 04:33:04.68
Latitude 38.47N
Longitude 141.62E
Depth 57km
Magnitude 5.9
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 213.4˚/29.2˚
Plane2 Strike/Dip 19.2˚/61.6˚
P-Axis Azimuth/Take-off 114.3˚/73.7˚
T-Axis Azimuth/Take-off 272.9˚/17.4˚
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National Research Institute for Earth Science and Disaster Resilience.
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