Moderate mag. 4.6 earthquake - North Pacific Ocean, Japan, on Saturday, Aug 6, 2022 at 5:06 am (GMT +9) -
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Moderate magnitude 4.6 earthquake at 10 km depth
5 Aug 20:58 UTC: First to report: EMSC after 52 minutes.
5 Aug 20:59: Now using data updates from USGS
5 Aug 20:59: Now using data updates from USGS
Earthquake details
| Date & time | Aug 5, 2022 20:06:25 UTC - |
| Local time at epicenter | Saturday, Aug 6, 2022 at 5:06 am (GMT +9) |
| Status | Confirmed |
| Magnitude | 4.6 |
| Depth | 10.0 km |
| Epicenter latitude / longitude | 33.2632°N / 141.7708°E  (North Pacific Ocean, Japan) |
| Antipode | 33.263°S / 38.229°W |
| Shaking intensity | Moderate shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Hachijo-jima (187 km / 116 mi) |
| Nearby towns and cities | 249 km (154 mi) SE of Katsuura (pop: 22,300) | Show on map | Quakes nearby 276 km (172 mi) SSE of Mobara (pop: 97,300) | Show on map | Quakes nearby 290 km (180 mi) SE of Kisarazu (pop: 122,500) | Show on map | Quakes nearby 290 km (180 mi) SE of Kimitsu (pop: 92,100) | Show on map | Quakes nearby 295 km (183 mi) SSE of Ichihara (pop: 283,500) | Show on map | Quakes nearby 296 km (184 mi) SE of Yokosuka (pop: 429,000) | Show on map | Quakes nearby 310 km (193 mi) SE of Yokohama (pop: 3,574,400) | Show on map | Quakes nearby 330 km (205 mi) SE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby 185 km (115 mi) E of Hachijojima Island (pop: 7,520) | Show on map | Quakes nearby 264 km (164 mi) ESE of Shikine-jima Island (pop: 600) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Overcast Clouds  26.7°C (80 F), humidity: 72%, wind: 3 m/s (6 kts) from N |
| Estimated seismic energy released | 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) | about seismic energy |
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 |
| 4.6 | 10 km | OFF EAST COAST OF HONSHU, JAPAN | USGS |
| 4.6 | 10 km | 248 Km SSE of Katsuura, Japan | EMSC |
| 4.6 | 10 km | Off East Coast of Honshu, Japan | RaspberryShake |
| 4.6 | 10 km | Off East Coast of Honshu, Japan | GFZ |
User reports for this quake
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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