RSS feed source: Global Disaster Alert and Coordination Systems (GDACS).

Fri, 29 Aug 2025, 16:40 | BY: EARTHQUAKEMONITOR

A magnitude 5.7 earthquake near Ishinomaki, Ishinomaki Shi, Miyagi, Japan, was reported only 10 minutes ago by the European-Mediterranean Seismological Centre (EMSC), considered one of the key international agencies that monitor seismic activity worldwide. The earthquake occurred at a moderately shallow depth of 33. km beneath the epicenter early morning on Saturday, August 30th, 2025, at 1:29 am 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.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 5.8 earthquake. Other agencies reporting the same quake include France’s Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.9, and the German Research Centre for Geosciences (GFZ) at magnitude 5.8.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In Rikuzen-Takata (pop. 18,300) located 73 km from the epicenter, Ofunato (pop. 35,500) 74 km away, Ishinomaki (pop. 138,500) 76 km away, Yamoto (pop. 32,000) 84 km away, Higashimatsushima (pop. 39,100) 87 km away, Kamaishi (pop. 43,100) 90

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RSS feed source: Global Disaster Alert and Coordination Systems (GDACS).

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RSS feed source: Global Disaster Alert and Coordination Systems (GDACS).

Date and TimeMag
DepthDistanceLocationDetailsMap Aug 28, 10:33 pm (GMT +9)

3.1

66 km337 km (209 mi) to the SW Japan: Northern Chiba Pref  I FELT IT – 1 report

Info

Aug 28, 10:07 am (GMT +9)

3.1

40 km316 km (196 mi) to the SW 8.9 km west of Katori-shi, Chiba, Japan  I FELT IT – 2 reportsInfoAug 28, 10:06 am (GMT +9)

3.5

38 km317 km (197 mi) to the SW Japan: Southern Ibaraki Pref  I FELT IT – 2 reportsInfoAug 28, 10:06 am (GMT +9)

3.1

41 km316 km (197 mi) to the SW 6.6 km southeast of Inashiki, Ibaraki, Japan  I FELT IT – 1 report

Info

Aug 26, 04:19 pm (GMT +9)

3.9

130 km397 km (246 mi) to the SW 4.3 km southwest of Akiruno, Tokyo, Japan  I FELT IT

Info

Jan 1, 2024 04:10 pm (GMT +9)

7.5

10 km440 km (274 mi) to the W Ishikawa-ken, 85 km north of Takaoka, Toyama, Japan 191 reportsInfoMay 26, 2023 07:03 pm (GMT +9)

6.1

42 km348 km (216 mi) to the SW North Pacific Ocean, 15 km east of Togane, Chiba, Japan 259 reportsInfoMar 16, 2022 11:36 pm (GMT +9)

7.3

41 km89 km (55 mi) to the SW 57 km ENE of Namie, Japan 101 reportsInfoOct 7, 2021 10:41 pm (GMT +9)

5.9

63 km368 km (229 mi) to the SW Near East Coast of Honshu, Japan 326 reportsInfoFeb 13, 2021 11:07 pm (GMT +9)

7.0

56 km86 km (54 mi) to the SW Near East Coast of Honshu, Japan 472 reportsInfoMar 14, 2012 09:05 pm (GMT +9)

6.0

10 km325 km (202 mi) to the SW North Pacific Ocean, 5.3 km southeast of Asahi, Chiba, Japan

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