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Light mag. 4.3 earthquake - North Pacific Ocean, 95 km southeast of Shizunai-furukawachō, Japan, on Tuesday, Aug 16, 2022 at 2:31 pm (GMT +9) -

Light mag. 4.3 earthquake - North Pacific Ocean, 95 km southeast of Shizunai-furukawachō, Japan, on Tuesday, Aug 16, 2022 at 2:31 pm (GMT +9) Light mag. 4.3 earthquake - North Pacific Ocean, 95 km southeast of Shizunai-furukawachō, Japan, on Tuesday, Aug 16, 2022 at 2:31 pm (GMT +9)

Light magnitude 4.3 earthquake at 39 km depth

16 Aug 05:38 UTC: First to report: NIED after 6 minutes.
Update Tue, 16 Aug 2022, 05:42

Moderate 4.3 quake hits near Shizunai-furukawachō, Hidaka-gun, Hokkaido, Japan

4.3 quake 16 Aug 2:31 pm (GMT +9)
4.3 quake 16 Aug 2:31 pm (GMT +9)
An earthquake of magnitude 4.3 occurred early afternoon on Tuesday, August 16th, 2022, at 2:31 pm local time near Shizunai-furukawachō, Hidaka-gun, Hokkaido, Japan, as reported by Japan's National Research Institute for Earth Science and Disaster Resilience (NIED).
According to preliminary data, the quake was located at a moderately shallow depth of 39.1 km. 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.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Samanai (pop. 4,500) located 45 km from the epicenter, and Shizunai-furukawachō (pop. 22,400) 95 km away.
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 details

Date & timeAug 16, 2022 05:31:54 UTC -
Local time at epicenterTuesday, Aug 16, 2022 at 2:31 pm (GMT +9)
Depth39.1 km
Epicenter latitude / longitude41.837°N / 143.298°E (North Pacific Ocean, Japan)
Antipode41.837°S / 36.702°W
Shaking intensityWeak shaking near epicenter
Felt0 reports
Primary data sourceNIED (National Research Institute for Earth Science and Disaster Resilience)
Nearest volcanoE-san (176 km / 109 mi)
Nearby towns and cities45 km (28 mi) SE of Samanai (pop: 4,480) | Show on map | Quakes nearby
95 km (59 mi) SE of Shizunai-furukawachō (pop: 22,400) | Show on map | Quakes nearby
120 km (75 mi) S of Obihiro (pop: 173,900) | Show on map | Quakes nearby
154 km (96 mi) SW of Kushiro (pop: 183,600) | Show on map | Quakes nearby
165 km (103 mi) ESE of Tomakomai (pop: 174,800) | Show on map | Quakes nearby
174 km (108 mi) SE of Chitose (pop: 92,900) | Show on map | Quakes nearby
210 km (131 mi) SE of Sapporo (pop: 1,883,000) | Show on map | Quakes nearby
752 km (467 mi) NNE of Tokyo (pop: 8,336,600) | Show on map | Quakes nearby
Weather at epicenter at time of quakeLight Rain 22.6°C (73 F), humidity: 92%, wind: 14 m/s (26 kts) from SSW
Estimated seismic energy released1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 tons of TNT) | about seismic energy
Show interactive Map
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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.


Seismic station: Erimo, Hokkaido Island, Japan (ERM/II network) | Distance from quake: 23 km / 14 mi | Show on map | Station Info
Seismic station Erimo, Hokkaido Island, Japan: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

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