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 HIDAKA MOUNTAINS REGION
Origin Time (JST) Jul 31, 2021 03:58:46.77
Latitude 42.350N
Longitude 143.079E
Depth 53.2km
Magnitude 3.3

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "E OFF MIYAGI PREF" on Jul 30, 17:17 (JST).
- Jul 30, 2021 17:18:28 (JST) Announcement
- Jul 30, 2021 17:21:43 (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 01, 2021:  The guidance of the updating user account 2021.
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
   Jul 26, 2021 (JST)   E OFF AOMORI PREF   M5.6
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Hypocenter Region E OFF AOMORI PREF
Origin Time (JST) Jul 26, 2021 11:16:16.38
Latitude 41.45N
Longitude 142.11E
Depth 62km
Magnitude 5.6
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 19.4˚/80.2˚
Plane2 Strike/Dip 147.6˚/15.6˚
P-Axis Azimuth/Take-off 99.0˚/55.9˚
T-Axis Azimuth/Take-off 303.8˚/36.8˚
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.