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Strong mag. 5.6 earthquake - North Pacific Ocean, 283 km southeast of Chiba, Japan, on Tuesday, May 17, 2022 at 3:04 pm (GMT +9) -

Strong mag. 5.6 earthquake - North Pacific Ocean, 283 km southeast of Chiba, Japan, on Tuesday, May 17, 2022 at 3:04 pm (GMT +9) Strong mag. 5.6 earthquake - North Pacific Ocean, 283 km southeast of Chiba, Japan, on Tuesday, May 17, 2022 at 3:04 pm (GMT +9)

Strong magnitude 5.6 earthquake at 10 km depth

17 May 06:12 UTC: First to report: GFZ after 8 minutes.
17 May 06:18: Magnitude recalculated from 5.4 to 5.5. Epicenter location corrected by 18 km (10.9 mi) towards WSW.
17 May 06:25: Now using data updates from USGS

Earthquake details

Date & timeMay 17, 2022 06:04:53 UTC -
Local time at epicenterTuesday, May 17, 2022 at 3:04 pm (GMT +9)
StatusConfirmed
Magnitude5.6
Depth10.0 km
Epicenter latitude / longitude33.4051°N / 141.6684°E (North Pacific Ocean, Japan)
Antipode33.405°S / 38.332°W
Shaking intensityStrong shaking near epicenter
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoHachijo-jima (179 km / 111 mi)
Nearby towns and cities230 km (143 mi) SE of Katsuura (pop: 22,300) | Show on map | Quakes nearby
258 km (160 mi) SSE of Mobara (pop: 97,300) | Show on map | Quakes nearby
272 km (169 mi) SE of Kisarazu (pop: 122,500) | Show on map | Quakes nearby
272 km (169 mi) SE of Kimitsu (pop: 92,100) | Show on map | Quakes nearby
276 km (172 mi) SSE of Ichihara (pop: 283,500) | Show on map | Quakes nearby
278 km (173 mi) SE of Yokosuka (pop: 429,000) | Show on map | Quakes nearby
283 km (176 mi) SSE of Chiba (pop: 919,700) | Show on map | Quakes nearby
287 km (179 mi) SE of Kamakura (pop: 166,000) | Show on map | Quakes nearby
292 km (181 mi) SE of Yokohama (pop: 3,574,400) | Show on map | Quakes nearby
312 km (194 mi) SE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
177 km (110 mi) ENE of Hachijojima Island (pop: 7,520) | Show on map | Quakes nearby
249 km (155 mi) ESE of Shikine-jima Island (pop: 600) | Show on map | Quakes nearby
442 km (275 mi) SE of Honshu Island (pop: 104,000,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 17.6°C (64 F), humidity: 93%, wind: 4 m/s (8 kts) from N
Estimated seismic energy released1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) | 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
5.610 kmOff East Coast of Honshu, JapanUSGS
5.610 kmOFF EAST COAST OF HONSHU, JAPANEMSC
5.610 kmOff East Coast of Honshu, JapanRaspberryShake
5.510 kmJapan: Near TokyoRENASS
5.610 km229 Km SSE of Katsuura, JapanGFZ
5.652 kmOff East Coast of Honshu, JapanGeoAu

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 (292.5 km NW of epicenter) [Map] / Weak shaking (MMI III)
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Aftershocks

[More info]

Recorded aftershocks, latest first (12 quakes)

Date and timeMag
Depth
LocationDetails
May 28, 2022 08:07
4 weeks ago
4.7

10 km
North Pacific Ocean, JapanMore
May 25, 2022 08:35
4 weeks ago
3.8

112 km
North Pacific Ocean, JapanMore
May 23, 2022 22:12
5 weeks ago
4.3

10 km
North Pacific Ocean, JapanMore
May 22, 2022 17:20
5 weeks ago
4.9

19 km
North Pacific Ocean, JapanMore
May 22, 2022 16:57
5 weeks ago
5.1

10 km
North Pacific Ocean, 280 km SE of Chiba, JapanMore
May 22, 2022 16:46
5 weeks ago
4.5

10 km
North Pacific Ocean, 293 km SE of Chiba, JapanMore
May 22, 2022 15:17
5 weeks ago
6.0

12 km
North Pacific Ocean, JapanMore
May 20, 2022 07:59
5 weeks ago
3.5

89 km
North Pacific Ocean, JapanMore
May 19, 2022 11:15
5 weeks ago
4.9

10 km
North Pacific Ocean, 281 km SE of Chiba, JapanMore
May 18, 2022 03:52
5 weeks ago
5.6

13 km
North Pacific Ocean, JapanMore
May 17, 2022 13:17
6 weeks ago
5.5

11 km
North Pacific Ocean, 277 km SE of Chiba, JapanMore
May 17, 2022 07:19
6 weeks ago
5.3

10 km
North Pacific Ocean, 278 km SE of Chiba, JapanMore

Earlier earthquakes in the same area

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