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Strong mag. 5.5 earthquake - North Pacific Ocean, 156 km northeast of Hachinohe, Aomori, Japan, on Monday, May 23, 2022 at 12:01 pm (GMT +10) -

Strong mag. 5.5 earthquake - North Pacific Ocean, 156 km northeast of Hachinohe, Aomori, Japan, on Monday, May 23, 2022 at 12:01 pm (GMT +10) Strong mag. 5.5 earthquake - North Pacific Ocean, 156 km northeast of Hachinohe, Aomori, Japan, on Monday, May 23, 2022 at 12:01 pm (GMT +10)

Strong magnitude 5.5 earthquake at 30 km depth

23 May 02:11 UTC: First to report: GFZ after 10 minutes.
23 May 02:20: Now using data updates from USGS
Update Mon, 23 May 2022, 02:15
Significant magnitude 5.5 quake hits 104 km south of Samanai, Japan around noon
5.5 quake 23 May 12:01 pm (GMT +10)
5.5 quake 23 May 12:01 pm (GMT +10)
A magnitude 5.5 earthquake near Samanai, Samani-gun, Hokkaido, Japan, was reported only 14 minutes ago by the German Research Centre for Geosciences (GFZ), considered one of the key international agencies that monitor seismic activity worldwide. The earthquake occurred at a shallow depth of 10 km beneath the epicenter around noon on Monday, May 23rd, 2022, at 12:01 pm local time. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from France's Réseau National de Surveillance Sismique (RéNaSS) which listed the quake at magnitude 5.5 as well. Other agencies reporting the same quake include the citizen-seismograph network of RaspberryShake at magnitude 5.5, and the European-Mediterranean Seismological Centre (EMSC) at magnitude 5.7.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Samanai (pop. 4,500) located 104 km from the epicenter.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake data

Earthquake details

Date & timeMay 23, 2022 02:01:05 UTC -
Local time at epicenterMonday, May 23, 2022 at 12:01 pm (GMT +10)
Depth30.3 km
Epicenter latitude / longitude41.2572°N / 143.0619°E (North Pacific Ocean, Japan)
Antipode41.257°S / 36.938°W
Shaking intensityModerate shaking near epicenter
Felt1 report
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoE-san (169 km / 105 mi)
Nearby towns and cities98 km (61 mi) S of Samanai (pop: 4,480) | Show on map | Quakes nearby
154 km (96 mi) ENE of Misawa (pop: 42,800) | Show on map | Quakes nearby
154 km (96 mi) E of Mutsu (pop: 49,200) | Show on map | Quakes nearby
156 km (97 mi) NE of Hachinohe (pop: 239,000) | Show on map | Quakes nearby
185 km (115 mi) S of Obihiro (pop: 173,900) | Show on map | Quakes nearby
195 km (121 mi) SE of Tomakomai (pop: 174,800) | Show on map | Quakes nearby
246 km (153 mi) SE of Sapporo (pop: 1,883,000) | Show on map | Quakes nearby
685 km (426 mi) NNE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
242 km (150 mi) S of Hokkaido Island (pop: 5,500,000) | Show on map | Quakes nearby
Weather at epicenter at time of quakeOvercast Clouds 9.9°C (50 F), humidity: 96%, wind: 2 m/s (4 kts) from N
Estimated seismic energy released1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) | about seismic energy
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If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
5.530 km132 Km SSE of Shizunai-furukawachō, JapanUSGS
5.530 kmHokkaido, Japan RegionRaspberryShake
5.510 kmJapan: Near SapporoRENASS
5.540 kmHokkaido, Japan RegionGFZ
5.810.3 kmJapan: E OFF AOMORI PREFNIED
5.538 kmHokkaido, Japan RegionGeoAu

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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Gurgaon Haryana India / Very weak shaking (MMI II) / rattling, vibrating / very short : Shake | One user found this interesting.  
IMG-202205... .jpg (public domain)
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Recorded aftershocks, latest first (1 quake)

Date and timeMag
May 23, 2022 03:02
6 weeks ago

17 km
North Pacific Ocean, JapanMore

Earlier earthquakes in the same area

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