Japanese English ( β Ver. )
█ Latest Earthquake Information
The following information was automatically determined by the NIED Hi-net system.    See for details
Hypocenter Region NEAR CHOSHI CITY
Origin Time (JST) Dec 15, 2018 14:49:39.74
Latitude 35.697N
Longitude 141.009E
Depth 33.2km
Magnitude 2.5

Hypocenter Map
█ Earthquake Information by AQUA system Mechanism Solution Catalog
An earthquake occurred in/around the "FAR E OFF FUKUSHIMA PREF" on Dec 14, 17:04 (JST).
- Dec 14, 2018 17:05:06 (JST) Announcement
- Dec 14, 2018 17:09:25 (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, 2018:  The guidance of the updating user account 2018.
Mar 01, 2018:  Software to show 3D seismic velocity structure beneath Japan
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
   Dec 14, 2018 (JST)   SE OFF MIYAGI PREF   M5.2
- Criteria   - Epicenter on the GSI maps   - Back number
◤Earthquake Information ↓ Clickable
Hypocenter Region SE OFF MIYAGI PREF
Origin Time (JST) Dec 14, 2018 17:04:33.44
Latitude 37.86N
Longitude 142.50E
Depth 21km
Magnitude 5.2
◤Mechanism Solution Information
Plane1 Strike/Dip 127.9˚/33.4˚
Plane2 Strike/Dip 224.5˚/85.6˚
P-Axis Azimuth/Take-off 341.8˚/57.5˚
T-Axis Azimuth/Take-off 104.2˚/49.9˚
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.