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█ Latest Earthquake Information
The following information was automatically determined by the NIED Hi-net system.    See for details
Hypocenter Region SE OFF MIYAGI PREF
Origin Time (JST) Sep 19, 2020 10:04:33.41
Latitude 37.781N
Longitude 141.978E
Depth 19.7km
Magnitude 3.2

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
AQUA system There are no upcoming hypocenter information.
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 17, 2020 (JST)   NORTHERN IBARAKI PREF   M4.5
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Hypocenter Region NORTHERN IBARAKI PREF
Origin Time (JST) Sep 17, 2020 14:00:36.46
Latitude 36.46N
Longitude 140.61E
Depth 55km
Magnitude 4.5
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 17.5˚/59.7˚
Plane2 Strike/Dip 171.3˚/33.0˚
P-Axis Azimuth/Take-off 97.4˚/76.3˚
T-Axis Azimuth/Take-off 320.2˚/18.4˚
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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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