Japanese English ( β Ver. )
█ Latest Earthquake Information
The following information was automatically determined by the NIED Hi-net system.    See for details
Origin Time (JST) Oct 01, 2020 00:21:23.42
Latitude 39.353N
Longitude 140.530E
Depth 149.1km
Magnitude 3.1

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "E OFF MIYAGI PREF" on Sep 30, 22:58 (JST).
- Sep 30, 2020 22:59:09 (JST) Announcement
- Sep 30, 2020 23:02:40 (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 02, 2020:  The guidance of the updating user account 2020.
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)
Jan 07, 2015:  We started the continuous waveform data download service for ADEP.
Oct 01, 2014:  We started the continuous waveform data download service for JAMSTEC[DONET1].
█ Recent Large Earthquake
   Sep 27, 2020 (JST)   NE AICHI PREF   M5.5
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Hypocenter Region NE AICHI PREF
Origin Time (JST) Sep 27, 2020 13:13:41.48
Latitude 35.08N
Longitude 137.79E
Depth 46km
Magnitude 5.5
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 130.1˚/72.3˚
Plane2 Strike/Dip 39.1˚/87.0˚
P-Axis Azimuth/Take-off 353.2˚/75.4˚
T-Axis Azimuth/Take-off 85.9˚/79.7˚
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High Sensitivity Seismograph Network Laboratory, Network Center for Earthquake, Tsunami and Volcano,
National Research Institute for Earth Science and Disaster Resilience.
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