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█ 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 20, 2021 07:33:15.58
Latitude 37.745N
Longitude 141.807E
Depth 45.5km
Magnitude 3.3

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "E OFF FUKUSHIMA PREF" on Sep 20, 01:11 (JST).
- Sep 20, 2021 01:12:25 (JST) Announcement
- Sep 20, 2021 01:16:14 (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 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
   Sep 19, 2021 (JST)   HIDA MOUNTAINS REGION   M4.7
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Earthquake Information
Origin Time (JST) Sep 19, 2021 17:18:30.77
Latitude 36.35N
Longitude 137.62E
Depth 5km
Magnitude 4.7
◤Mechanism Solution Information
Mechanism Solution Information
Plane1 Strike/Dip 85.7˚/70.0˚
Plane2 Strike/Dip 182.2˚/72.7˚
P-Axis Azimuth/Take-off 313.6˚/88.2˚
T-Axis Azimuth/Take-off 44.5˚/63.1˚
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National Research Institute for Earth Science and Disaster Resilience.
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