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Light mag. 3.9 earthquake - North Pacific Ocean, 9 km southwest of Hasaki, Chōshi-shi, Chiba, Japan, on Saturday, May 27, 2023 at 5:01 am (GMT +9) -

Light mag. 3.9 earthquake - North Pacific Ocean, 9 km southwest of Hasaki, Chōshi-shi, Chiba, Japan, on Saturday, May 27, 2023 at 5:01 am (GMT +9) Light mag. 3.9 earthquake - North Pacific Ocean, 9 km southwest of Hasaki, Chōshi-shi, Chiba, Japan, on Saturday, May 27, 2023 at 5:01 am (GMT +9)

Light magnitude 3.9 earthquake at 45 km depth

26 May 20:07 UTC: First to report: NIED after 6 minutes.

Earthquake details

Date & timeMay 26, 2023 20:01:07 UTC -
Local time at epicenterSaturday, May 27, 2023 at 5:01 am (GMT +9)
Depth45.0 km
Epicenter latitude / longitude35.677°N / 140.762°E (North Pacific Ocean, Japan)
Antipode35.677°S / 39.238°W
Shaking intensityWeak shaking near epicenter
Felt0 reports
Primary data sourceNIED (National Research Institute for Earth Science and Disaster Resilience)
Nearest volcanoTakahara (162 km / 101 mi)
Nearby towns and cities9 km (6 mi) SW of Hasaki (pop: 39,200) | Show on map | Quakes nearby
11 km (7 mi) ESE of Asahi (pop: 41,700) | Show on map | Quakes nearby
19 km (12 mi) E of Yōkaichiba (Sosa) (pop: 32,700) | Show on map | Quakes nearby
34 km (21 mi) SSE of Kashima-shi (pop: 65,800) | Show on map | Quakes nearby
34 km (21 mi) SE of Katori-shi (pop: 83,200) | Show on map | Quakes nearby
42 km (26 mi) ESE of Нарита (pop: 100,600) | Show on map | Quakes nearby
96 km (60 mi) E of Kawasaki (pop: 1,306,800) | Show on map | Quakes nearby
97 km (60 mi) E of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
206 km (128 mi) NE of Shikine-jima Island (pop: 600) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 13.3°C (56 F), humidity: 67%, wind: 3 m/s (5 kts) from SSW
Estimated seismic energy released4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 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.

User reports for this quake

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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