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Minor mag. 2.8 earthquake - North Pacific Ocean, 47 km southeast of Sendai, Honshu-miyagi-ken, Japan, on Wednesday, Jan 25, 2023 at 10:52 am (GMT +9) -

Minor magnitude 2.8 earthquake at 81 km depth

25 Jan 01:59 UTC: First to report: NIED after 7 minutes.

Earthquake details

Date & time	Jan 25, 2023 01:52:30 UTC -
Local time at epicenter	Wednesday, Jan 25, 2023 at 10:52 am (GMT +9)
Status	Confirmed
Magnitude	2.8
Depth	81.2 km
Epicenter latitude / longitude	37.941°N / 141.214°E (North Pacific Ocean, Japan)
Antipode	37.941°S / 38.786°W
Shaking intensity	Not felt
Felt
Primary data source	NIED (National Research Institute for Earth Science and Disaster Resilience)
Nearest volcano	Zao (71 km / 44 mi)
Nearby towns and cities	33 km (21 mi) ESE of Watari (pop: 36,300) \| Show on map \| Quakes nearby 36 km (22 mi) ESE of Iwanuma (pop: 42,400) \| Show on map \| Quakes nearby 39 km (24 mi) E of Kakuda (pop: 33,200) \| Show on map \| Quakes nearby 45 km (28 mi) SSE of Schiogama (pop: 59,500) \| Show on map \| Quakes nearby 47 km (29 mi) SE of Sendai (pop: 1,063,100) \| Show on map \| Quakes nearby 48 km (30 mi) SSE of Rifu (pop: 35,000) \| Show on map \| Quakes nearby 53 km (33 mi) S of Ishinomaki (pop: 117,200) \| Show on map \| Quakes nearby 285 km (177 mi) NNE of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby 44 km (27 mi) SSW of Tashiro Jima Island (pop: 100) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Light Snow -4°C (25 F), humidity: 67%, wind: 16 m/s (30 kts) from WNW
Estimated seismic energy released	1 x 10⁹ joules (278 kilowatt hours, equivalent to 0.239 tons of TNT) \| about seismic energy

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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
2.8	81 km	Japan: SENDAI BAY REGION	NIED

Most recent quakes Top 20 past 24 hrs Quakes in Japan

Seismograms

Seismic station: Miyagi Marumori (JMM/JP network) | Distance from quake: 38 km / 24 mi | Show on map | Station Info

Seismic station Miyagi Marumori: 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

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

Seismic station Miyagi Marumori: 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: Ibaraki Yasato (JYT/JP network) | Distance from quake: 211 km / 131 mi | Show on map | Station Info

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

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

Seismic station Ibaraki Yasato: 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: Sado (JSD/JP network) | Distance from quake: 259 km / 161 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: Aomori Tenma (JTM/JP network) | Distance from quake: 317 km / 197 mi | Show on map | Station Info

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

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

Seismic station Aomori Tenma: 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: 431 km / 268 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

User reports for this quake

At magnitude 2.8, 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.

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