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Kamakura (386.9 km NW of epicenter) [Map] / Very weak shaking (MMI II) / 20-30 s
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
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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.
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
I didn't feel it
Earthquake details
| Date & time | Aug 6, 2022 12:43:51 UTC - |
| Local time at epicenter | Saturday, Aug 6, 2022 at 10:43 pm (GMT +10) |
| Status | Confirmed |
| Magnitude | 4.8 |
| Depth | 10.0 km |
| Epicenter latitude / longitude | 32.8414°N / 142.4413°E  (North Pacific Ocean, Japan) |
| Antipode | 32.841°S / 37.559°W |
| Shaking intensity | Moderate shaking near epicenter |
| Felt | 1 report |
| Primary data source | USGS (United States Geological Survey) |
| Nearby towns and cities | 323 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 quake | Few Clouds  27.4°C (81 F), humidity: 79%, wind: 4 m/s (7 kts) from SE |
| Estimated seismic energy released | 1 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. | Depth | Location | Source |
| 4.8 | 10 km | Izu Islands, Japan Region | USGS |
| 4.8 | 60 km | IZU ISLANDS, JAPAN REGION | EMSC |
| 4.8 | 10 km | Southeast of Honshu, Japan | RaspberryShake |
| 5.1 | 10 km | Japan: Near Tokyo | RENASS |
| 4.6 | 10 km | Izu Islands, Japan Region | GFZ |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
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