Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Minor mag. 2.9 earthquake - 17 km southwest of Shiozawa, Minamiuonuma Shi, Niigata, Japan, on Thursday, Nov 17, 2022 at 3:23 am (GMT +9) -

Minor magnitude 2.9 earthquake at 241 km depth

16 Nov 18:33 UTC: First to report: NIED after 9 minutes.

Earthquake details

Date & time	Nov 16, 2022 18:23:46 UTC -
Local time at epicenter	Thursday, Nov 17, 2022 at 3:23 am (GMT +9)
Status	Confirmed
Magnitude	2.9
Depth	241.4 km
Epicenter latitude / longitude	36.904°N / 138.754°E (Minamiōnuma-gun, Niigata, Japan)
Antipode	36.904°S / 41.246°W
Shaking intensity	Not felt
Felt
Primary data source	NIED (National Research Institute for Earth Science and Disaster Resilience)
Nearest volcano	Kusatsu-Shirane (37 km / 23 mi)
Nearby towns and cities	6 km (4 mi) SW of Yuzawa (Prefectura de Niigata) (pop: 7,930) \| Show on map \| Quakes nearby 17 km (11 mi) SSW of Shiozawa (Minamiuonuma) (pop: 20,200) \| Show on map \| Quakes nearby 26 km (16 mi) S of Tōkamachi (pop: 41,100) \| Show on map \| Quakes nearby 44 km (27 mi) S of Ojiya (pop: 40,500) \| Show on map \| Quakes nearby 53 km (33 mi) ESE of Jōetsu (pop: 204,100) \| Show on map \| Quakes nearby 55 km (34 mi) SSE of Kashiwazaki (pop: 86,200) \| Show on map \| Quakes nearby 112 km (69 mi) S of Niigata (pop: 505,300) \| Show on map \| Quakes nearby 159 km (99 mi) NNW of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Broken Clouds 0.7°C (33 F), humidity: 93%, wind: 1 m/s (1 kts) from NW
Estimated seismic energy released	1.4 x 10⁹ joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) \| about seismic energy

Show interactive Map

[smaller] [bigger]

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
2.9	241 km	Japan: MID NIIGATA PREF	NIED

Most recent quakes Top 20 past 24 hrs Quakes in Japan

Seismograms

Seismic station: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 63 km / 39 mi | Show on map | Station Info

Seismic station Matsushiro, Japan: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Show less

Seismic station Matsushiro, Japan: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Matsushiro, Japan: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Sado (JSD/JP network) | Distance from quake: 134 km / 83 mi | Show on map | Station Info

Seismic station Sado: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Sado: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Sado: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Gifu Kurokawa (JGF/JP network) | Distance from quake: 191 km / 119 mi | Show on map | Station Info

Seismic station Gifu Kurokawa: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Gifu Kurokawa: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Gifu Kurokawa: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Shizuoka Sagara (JSG/JP network) | Distance from quake: 253 km / 157 mi | Show on map | Station Info

Seismic station Shizuoka Sagara: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Shizuoka Sagara: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Shizuoka Sagara: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Hachijojima Island (JHJ2/JP network) | Distance from quake: 432 km / 269 mi | Show on map | Station Info

Seismic station Hachijojima Island: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Hachijojima Island: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Hachijojima Island: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

Earlier earthquakes in the same area

Click here to search our database for earlier earthquakes in the same area since 1900!

Try our free app!

Android | iOS version

Why is there advertising on this site?

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:

Improved multilanguage support
Tsunami alerts
Faster responsiveness

Thanks to your past donations, these features have been added recently:

Design upgrade
Detailed quake stats
Additional seismic data sources

Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS

Thank you!

Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.

Volcanoes & Earthquakes