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Minor mag. 2.7 earthquake - Japan Sea, 46 km northwest of Hirosaki, Aomori, Japan, on Thursday, Aug 11, 2022 at 5:19 am (GMT +9) -

Minor magnitude 2.7 earthquake at 166 km depth

10 Aug 20:27 UTC: First to report: NIED after 7 minutes.

Earthquake details

Date & time	Aug 10, 2022 20:19:49 UTC -
Local time at epicenter	Thursday, Aug 11, 2022 at 5:19 am (GMT +9)
Status	Confirmed
Magnitude	2.7
Depth	165.9 km
Epicenter latitude / longitude	40.852°N / 140.046°E (Japan Sea, Japan)
Antipode	40.852°S / 39.954°W
Shaking intensity	Not felt
Felt
Primary data source	NIED (National Research Institute for Earth Science and Disaster Resilience)
Nearest volcano	Iwaki (31 km / 19 mi)
Nearby towns and cities	28 km (17 mi) W of Shimokizukuri (Tsugaru) (pop: 18,900) \| Show on map \| Quakes nearby 34 km (21 mi) W of Goshogawara (pop: 49,100) \| Show on map \| Quakes nearby 46 km (29 mi) NW of Hirosaki (pop: 175,000) \| Show on map \| Quakes nearby 48 km (30 mi) WNW of Namioka (Aomori) (pop: 20,700) \| Show on map \| Quakes nearby 51 km (32 mi) WNW of Kuroishi (pop: 38,600) \| Show on map \| Quakes nearby 58 km (36 mi) W of Aomori (pop: 298,400) \| Show on map \| Quakes nearby 78 km (48 mi) NW of Ōdate (pop: 64,500) \| Show on map \| Quakes nearby 575 km (357 mi) N of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Broken Clouds 25.1°C (77 F), humidity: 91%, wind: 4 m/s (8 kts) from W
Estimated seismic energy released	7.1 x 10⁸ joules (197 kilowatt hours, equivalent to 0.169 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
2.7	166 km	Japan: W OFF AOMORI PREF	NIED

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Seismograms

Seismic station: Aomori Tenma (JTM/JP network) | Distance from quake: 86 km / 53 mi | Show on map | Station Info

Seismic station Aomori Tenma: 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

User reports for this quake

At magnitude 2.7, 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

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