Moderate mag. 4.8 earthquake - North Pacific Ocean, Japan, on Saturday, Aug 6, 2022 at 10:43 pm (GMT +10) -

This quake was likely an aftershock of the 5.7 quake North Pacific Ocean, Japan, Aug 4, 2022 1:39 pm (GMT +10), which had occurred 2 days earlier.
Updated: Tue, Aug 9, 2022 01:10 GMT -
I felt this quake
Moderate mag. 4.8 earthquake - North Pacific Ocean, Japan, on Saturday, Aug 6, 2022 at 10:43 pm (GMT +10) Moderate mag. 4.8 earthquake - North Pacific Ocean, Japan, on Saturday, Aug 6, 2022 at 10:43 pm (GMT +10)

Moderate magnitude 4.8 earthquake at 10 km depth

6 Aug 12:54 UTC: First to report: GFZ after 11 minutes.
6 Aug 13:02: Now using data updates from USGS
8 Aug 15:26: Epicenter location corrected by 56 km (35 mi) towards NW.
I felt this quake
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Earthquake details

Date & timeAug 6, 2022 12:43:51 UTC -
Local time at epicenterSaturday, Aug 6, 2022 at 10:43 pm (GMT +10)
StatusConfirmed
Magnitude4.8
Depth10.0 km
Epicenter latitude / longitude32.8414°N / 142.4413°E (North Pacific Ocean, Japan)
Antipode32.841°S / 37.559°W
Shaking intensityModerate shaking near epicenter
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities323 km (201 mi) SE of Katsuura (pop: 22,300) | Show on map | Quakes nearby
349 km (217 mi) SE of Mobara (pop: 97,300) | Show on map | Quakes nearby
374 km (232 mi) SE of Chiba (pop: 919,700) | Show on map | Quakes nearby
386 km (240 mi) SE of Yokohama (pop: 3,574,400) | Show on map | Quakes nearby
405 km (252 mi) SE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
426 km (265 mi) SE of Saitama (pop: 1,193,400) | Show on map | Quakes nearby
431 km (268 mi) SSE of Mito (pop: 246,500) | Show on map | Quakes nearby
444 km (276 mi) ESE of Shizuoka (pop: 701,600) | Show on map | Quakes nearby
249 km (155 mi) E of Hachijojima Island (pop: 7,520) | Show on map | Quakes nearby
Weather at epicenter at time of quakeFew Clouds 27.4°C (81 F), humidity: 79%, wind: 4 m/s (7 kts) from SE
Estimated seismic energy released1 x 1012 joules (278 megawatt hours, equivalent to 239 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.DepthLocationSource
4.810 kmIzu Islands, Japan RegionUSGS
4.860 kmIZU ISLANDS, JAPAN REGIONEMSC
4.810 kmSoutheast of Honshu, JapanRaspberryShake
5.110 kmJapan: Near TokyoRENASS
4.610 kmIzu Islands, Japan RegionGFZ

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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Kamakura (386.9 km NW of epicenter) [Map] / Very weak shaking (MMI II) / 20-30 s
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