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Weak mag. 2.5 earthquake - North Pacific Ocean, 26 km east of Ishinomaki, Honshu-miyagi-ken, Japan, on Friday, Dec 9, 2022 at 5:14 am (GMT +9) -

Weak magnitude 2.5 earthquake at 18 km depth

8 Dec 20:22 UTC: First to report: NIED after 7 minutes.

Earthquake details

Date & time	Dec 8, 2022 20:14:50 UTC -
Local time at epicenter	Friday, Dec 9, 2022 at 5:14 am (GMT +9)
Status	Confirmed
Magnitude	2.5
Depth	17.9 km
Epicenter latitude / longitude	38.328°N / 141.581°E (North Pacific Ocean, Japan)
Antipode	38.328°S / 38.419°W
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	NIED (National Research Institute for Earth Science and Disaster Resilience)
Nearest volcano	Narugo (87 km / 54 mi)
Nearby towns and cities	26 km (16 mi) ESE of Ishinomaki (pop: 117,200) \| Show on map \| Quakes nearby 34 km (21 mi) ESE of Yamoto (Higashimatsushima) (pop: 32,000) \| Show on map \| Quakes nearby 46 km (28 mi) E of Matsushima (pop: 16,400) \| Show on map \| Quakes nearby 46 km (28 mi) ESE of Wakuya (Tōda Gun) (pop: 18,300) \| Show on map \| Quakes nearby 48 km (30 mi) E of Schiogama (pop: 59,500) \| Show on map \| Quakes nearby 61 km (38 mi) ESE of Furukawa (pop: 76,300) \| Show on map \| Quakes nearby 63 km (39 mi) E of Sendai (pop: 1,063,100) \| Show on map \| Quakes nearby 338 km (210 mi) NNE of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby 15 km (9 mi) ENE of Tashiro Jima Island (pop: 100) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Few Clouds 6°C (43 F), humidity: 70%, wind: 7 m/s (13 kts) from WNW
Estimated seismic energy released	3.5 x 10⁸ joules (98.6 kilowatt hours) \| 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
2.5	18 km	Japan: KINKAZAN REGION	NIED

Most recent quakes Top 20 past 24 hrs Quakes in Japan

Seismograms

Seismic station: Miyagi Marumori (JMM/JP network) | Distance from quake: 86 km / 53 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: 264 km / 164 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: 292 km / 182 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: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 358 km / 222 mi | Show on map | Station Info

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

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.
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: 482 km / 300 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 2.5, 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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