Strong mag. 5.3 earthquake - North Pacific Ocean, 278 km southeast of Chiba, Japan, on Tuesday, May 17, 2022 at 4:19 pm (GMT +9) -
This quake was likely an aftershock of the 5.6 quake North Pacific Ocean, 283 km southeast of Chiba, Japan, May 17, 2022 3:04 pm (GMT +9), which had occurred 1 hour and 15 minutes earlier.
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Strong magnitude 5.3 earthquake at 10 km depth
17 May 07:28 UTC: First to report: NIED after 8 minutes.
17 May 07:38: Now using data updates from USGS
17 May 07:38: Now using data updates from USGS
Earthquake details
| Date & time | May 17, 2022 07:19:59 UTC - |
| Local time at epicenter | Tuesday, May 17, 2022 at 4:19 pm (GMT +9) |
| Status | Confirmed |
| Magnitude | 5.3 |
| Depth | 10.0 km |
| Epicenter latitude / longitude | 33.3276°N / 141.3786°E  (North Pacific Ocean, Japan) |
| Antipode | 33.328°S / 38.621°W |
| Shaking intensity | Moderate shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Hachijo-jima (151 km / 94 mi) |
| Nearby towns and cities | 225 km (140 mi) SSE of Katsuura (pop: 22,300) | Show on map | Quakes nearby 254 km (158 mi) SSE of Mobara (pop: 97,300) | Show on map | Quakes nearby 264 km (164 mi) SSE of Kisarazu (pop: 122,500) | Show on map | Quakes nearby 268 km (167 mi) SE of Yokosuka (pop: 429,000) | Show on map | Quakes nearby 271 km (168 mi) SSE of Ichihara (pop: 283,500) | Show on map | Quakes nearby 278 km (173 mi) SSE of Chiba (pop: 919,700) | Show on map | Quakes nearby 283 km (176 mi) SE of Yokohama (pop: 3,574,400) | Show on map | Quakes nearby 305 km (189 mi) SSE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby 149 km (93 mi) E of Hachijojima Island (pop: 7,520) | Show on map | Quakes nearby 229 km (142 mi) ESE of Shikine-jima Island (pop: 600) | Show on map | Quakes nearby 429 km (266 mi) SE of Honshu Island (pop: 104,000,000) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Moderate Rain  18°C (64 F), humidity: 88%, wind: 5 m/s (10 kts) from NNE |
| Estimated seismic energy released | 5.6 x 1012 joules (1.56 gigawatt hours, equivalent to 1344 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 |
| 5.3 | 10 km | Japan: E OFF HACHIJOJIMA ISLAND | USGS |
| 5.2 | 10 km | Off East Coast of Honshu, Japan | GFZ |
| 5.3 | 10 km | OFF EAST COAST OF HONSHU, JAPAN | EMSC |
| 5.3 | 10 km | Off East Coast of Honshu, Japan | RaspberryShake |
| 5.1 | 10 km | Japan: Near Tokyo | RENASS |
| 4.7 | 74 km | 224 Km SSE of Katsuura, Japan | NIED |
| 5.1 | 53 km | Off East Coast of Honshu, Japan | GeoAu |
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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