Japanese English ( β Ver. )
counter
█ 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) Sep 25, 2023 22:22:03.03
Latitude 37.164N
Longitude 141.285E
Depth 46.9km
Magnitude 2.8

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "E OFF AOMORI PREF" on Sep 25, 13:35 (JST).
- Sep 25, 2023 13:36:19 (JST) Announcement
- Sep 25, 2023 13:40:14 (JST) Update
You may have to reload the web page to see the latest information.
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 04:33:04.80
Latitude 38.47N
Longitude 141.62E
Depth 56km
Magnitude 5.9
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 22.1˚/63.4˚
Plane2 Strike/Dip 168.1˚/31.1˚
P-Axis Azimuth/Take-off 99.8˚/73.2˚
T-Axis Azimuth/Take-off 324.0˚/22.8˚
Policies  |  ▶How to use the data  |  ▶Contact us  |  ▶Web site for mobile phones (in Japanese)
We, NIED, do not deliver any e-mails of immediate seismic information obtained by the AQUA system.
In addition, please understand that we prohibit the redistribution of the seismic data. For more information, please read How to use the Hi-net data and FAQ.
High Sensitivity Seismograph Network Laboratory, Network Center for Earthquake, Tsunami and Volcano,
National Research Institute for Earth Science and Disaster Resilience.
3-1 Tennodai, Tsukuba City, Ibaraki Prefecture, 305-0006, JAPAN
Copyright © National Research Institute for Earth Science and Disaster Resilience, All rights Reserved.