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Weak mag. 3.7 earthquake - North Pacific Ocean, 4.8 km southwest of Hasaki, Chōshi-shi, Chiba, Japan, on Saturday, May 27, 2023 at 5:01 am (GMT +9) -

Weak magnitude 3.7 earthquake at 50 km depth

26 May 20:12 UTC: First to report: RaspberryShake after 11 minutes.

Earthquake details

Date & time	May 26, 2023 20:01:30 UTC -
Local time at epicenter	Saturday, May 27, 2023 at 5:01 am (GMT +9)
Status	Confirmed
Magnitude	3.7
Depth	50.0 km
Epicenter latitude / longitude	35.7°N / 140.8°E (North Pacific Ocean, Japan)
Antipode	35.7°S / 39.2°W
Shaking intensity	Light shaking
Felt	1 report
Primary data source	RaspberryShake (RaspberryShake)
Nearest volcano	Takahara (162 km / 101 mi)
Nearby towns and cities	5 km (3 mi) SW of Hasaki (pop: 39,200) \| Show on map \| Quakes nearby 14 km (8 mi) E of Asahi (pop: 41,700) \| Show on map \| Quakes nearby 23 km (14 mi) E of Yōkaichiba (Sosa) (pop: 32,700) \| Show on map \| Quakes nearby 33 km (20 mi) SSE of Kashima-shi (pop: 65,800) \| Show on map \| Quakes nearby 35 km (22 mi) SE of Katori-shi (pop: 83,200) \| Show on map \| Quakes nearby 45 km (28 mi) E of Нарита (pop: 100,600) \| Show on map \| Quakes nearby 100 km (62 mi) ENE of Kawasaki (pop: 1,306,800) \| Show on map \| Quakes nearby 100 km (62 mi) E of Tokyo (pop: 8,336,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 13.3°C (56 F), humidity: 67%, wind: 3 m/s (5 kts) from SSW
Estimated seismic energy released	2.2 x 10¹⁰ joules (6.22 megawatt hours, equivalent to 5.35 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
3.7	50 km	Near East Coast of Honshu, Japan	RaspberryShake
3.7	50 km	NEAR EAST COAST OF HONSHU, JAPAN	EMSC

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User reports for this quake (1)

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

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Tokio / Light shaking (MMI IV)

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