Strong mag. 5.1 earthquake - North Pacific Ocean, 122 km southeast of Kushiro, Hokkaido, Japan, on Wednesday, Nov 2, 2022 at 9:45 am (GMT +10) -

An earthquake of magnitude 5.1 occurred only 26 minutes ago 125 km southeast of Kushiro, Japan, the United States Geological Survey reported.
The quake hit at a very shallow depth of 9.6 km beneath the epicenter near Kushiro, Kushiro Shi, Hokkaido, Japan, in the morning on Wednesday, November 2nd, 2022, at 9:45 am local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by The Incorporated Research Institutions for Seismology (IRIS), which listed it as a magnitude 5.1 earthquake as well. Other agencies reporting the same quake include the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.1, the citizen-seismograph network of RaspberryShake at magnitude 5.1, France's Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.1, and the German Research Centre for Geosciences (GFZ) at magnitude 5.1.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Kushiro (pop. 183,600) located 125 km from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 13 km² (=5 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 6 km (4 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the map below to verify).

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