Information about the earthquake: mag of light. 4.0 earthquake

Updated: Sep 2, 2021 03:13 GMT – Refresh

Lightweight 4.0 magnitude earthquake 58 km deep

Sep 1 23:52 UTC: First to report: NIED after 6 minutes.

Updated Wed Sep 1, 2021, 23:57

Moderate magnitude earthquake 4.0 – 79 km northeast of Mutsu, Japan

4.0 earthquake September 2 8:46 am (GMT +9)

4.0 earthquake 2 Sep 08:46 (GMT +9)

Just 11 minutes ago, a magnitude 4.0 earthquake struck near Mutsu, Mutsu-shi, Aomori, Japan. The tremor was recorded on the morning of Thursday, September 2, 2021 at 8.46 a.m. local time, at a moderately shallow depth of 58.4 km below the surface.
The event was recorded by the National Research Institute for Earth Sciences and Disaster Resilience (NIED) of Japan, the first seismological agency to report it.
A second report was then published by the Euro-Mediterranean Seismological Center (EMSC), which classified it as a magnitude 3.6 earthquake.
Cities near the epicenter where the quake could have been felt as very weak tremors include Mutsu (population 49,200) located 79 km from the epicenter.

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Earthquake data:

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Date and time: Sep 1, 2021 23:46:07 UTC –
Local time at epicenter: Thursday Sep 2, 2021 8:46 am (GMT +9)
Size: 4

Depth: 58.4 km
Latitude / longitude of epicenter: 41.443 ° N / 142.141 ° E↗ (North Pacific Ocean, Japan)
Antipode: 41.443 ° S / 37.859 ° W↗
Nearest volcano: E-san (90 km / 56 mi)

Nearby towns and villages:
79 km (49 mi) ENE of Mutsu (pop: 49,200) -> Observe the earthquakes nearby!
105 km (65 mi) northeast of Misawa (pop: 42,800) -> Observe the earthquakes nearby!
118 km (73 mi) NNE of Hachinohe (pop: 239,000) -> See nearby earthquakes!
123 km (76 mi) ESE of Hakodate (pop: 275,700) -> See nearby earthquakes!
136 km (85 mi) southeast of Muroran (pop: 96,200) -> Observe the earthquakes nearby!
137 km (85 mi) ENE of Aomori (pop: 298,400) -> Observe the earthquakes nearby!
140 km (87 mi) to SSE of Tomakomai (pop: 174,800) -> Observe the earthquakes nearby!
158 km (98 mi) to SSE of Chitose (pop: 92,900) -> See nearby earthquakes!
192 km (119 mi) SSE of Sapporo (pop: 1,883,000) -> See nearby earthquakes!
674 km (419 mi) NNE of Tokyo (pop: 8 336 600) -> Watch the earthquakes nearby!

Weather at the epicenter at the time of the earthquake:
Clear sky 19.8 ° C (68 F), humidity: 74%, wind: 4 m / s (8 kts) from E

Main data source: NIED (National Research Institute for Earth Sciences and Disaster Resilience)

Estimated energy released: 6.3 x 10ten joules (17.5 megawatt hours, equivalent to 15.1 tonnes of TNT) Find out more

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Data for the same earthquake reported by different agencies

Info: The more agencies report the same earthquake and publish similar data, the more confidence you can have in the data. It normally takes up to a few hours for the seismic parameters to be calculated with near optimum accuracy.

Mag. Depth Site Source
4.0 58 km Japan: E OFF AOMORI PREF NIED
4.2 55 km 79 Km ENE from Mutsu, Japan USGS

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