RSS feed source: Volcano Discovery.com--Global earthquake monitor

Saturday, Dec 20, 2025 13:13 | 1 hour ago | By: EarthquakeMonitor

An earthquake of magnitude 5.4 occurred late at night on Saturday, December 20th, 2025, at 10:58 pm local time near Nemuro, Nemuro-shi, Hokkaido, Japan, as reported by the European-Mediterranean Seismological Centre (EMSC).
According to preliminary data, the quake was located at a moderately shallow depth of 45. 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.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 5.4 earthquake as well. Other agencies reporting the same quake include France’s Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.3, and the German Research Centre for Geosciences (GFZ) at magnitude 5.4.
Generally quakes of this magnitude are recorded by more than one agency and the results can vary, with subsequent reports that come in after the first one often showing more accuracy.
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 Nemuro (pop. 31,200) located 68 km from the epicenter, Hamanaka-sakuraminami (pop. 5,500)

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RSS feed source: Volcano Discovery.com--Global earthquake monitor

Date and TimeMag
DepthDistanceLocationDetailsMap Dec 20, 10:33 pm (GMT +10)

5.2

15 km14 km (8.9 mi) to the E North Pacific Ocean, 84 km southeast of Nemuro, Hokkaido, Japan  I FELT IT InfoDec 20, 09:30 pm (GMT +9)

5.3

40 km0.7 km (0.4 mi) to the NE North Pacific Ocean, 74 km southeast of Nemuro, Hokkaido, Japan  I FELT IT InfoDec 15, 08:44 am (GMT +9)

4.0

40 km44 km (27 mi) to the NW North Pacific Ocean, 48 km south of Nemuro, Hokkaido, Japan  I FELT IT InfoDec 9, 02:16 am (GMT +9)

4.0

40 km44 km (27 mi) to the NW North Pacific Ocean, 48 km south of Nemuro, Hokkaido, Japan InfoDec 2, 07:03 pm (GMT +9)

5.2

24 km30 km (18 mi) to the NW North Pacific Ocean, 48 km south of Nemuro, Hokkaido, Japan 6 reportsInfoOct 25, 01:40 am (GMT +9)

5.8

41 km42 km (26 mi) to the NW North Pacific Ocean, 36 km south of Nemuro, Hokkaido, Japan 10 reportsInfoAug 24, 12:13 pm (GMT +9)

5.4

381 km76 km (47 mi) to the NW North Pacific Ocean, 44 km southwest of Nemuro, Hokkaido, Japan InfoAug 2, 07:27 am (GMT +9)

5.5

10 km49 km (30 mi) to the SW North Pacific Ocean, 125 km southeast of Kushiro, Hokkaido, Japan InfoJun 22, 07:23 am (GMT +10)

6.0

18 km49 km (30 mi) to the NE North Pacific Ocean, 61 km southeast of Yuri-to Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia InfoJun 19, 09:08 am (GMT +10)

5.9

13 km44 km (28 mi) to the E North Pacific Ocean, 71 km southeast of Yuri-to Island, Yuzhno-Kurilsky District, Sakhalin Oblast, Russia

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Saturday, Dec 20, 2025 12:46 | 1 hour ago | By: EarthquakeMonitor

A shallow magnitude 5.2 earthquake was reported late at night near Nemuro, Nemuro-shi, Hokkaido, Japan.
According to Japan’s National Research Institute for Earth Science and Disaster Resilience (NIED), the quake hit on Saturday, December 20th, 2025, at 10:33 pm local time at a shallow depth of 14.80 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. 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.
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 Nemuro (pop. 31,200) located 84 km from the epicenter, and Hamanaka-sakuraminami (pop. 5,500) 99 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

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