Strong mag. 5.9 earthquake - North Pacific Ocean, Japan, on Tuesday, Jun 21, 2022 at 4:14 pm (GMT +9) -

The German Research Centre for Geosciences (GFZ) reported a magnitude 5.9 quake in Japan near Futami, Tokyo, only 15 minutes ago. The earthquake hit in the afternoon on Tuesday, June 21st, 2022, at 4:14 pm local time at a shallow depth of 10 km. 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 Italy's National Institute of Geophysics and Volcanology (INGV), which listed it as a magnitude 6.1 earthquake. Other agencies reporting the same quake include France's Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.7, the citizen-seismograph network of RaspberryShake at magnitude 5.9, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 6.0.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Futami (pop. 900) located 112 km from the epicenter, the quake should have been felt as light shaking.
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. 79 km² (=31 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 15 km (10 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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