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Strong magnitude 5.0 earthquake at 74 km depth

9 Aug 06:59 UTC: First to report: VolcanoDiscovery after 7 minutes.
9 Aug 08:05: Now using data updates from USGS

I didn’t feel it

I felt this quake

Earthquake details Date & timeAug 9, 2025 06:52:29 UTC – Local time at epicenterSaturday, Aug 9, 2025, at 05:52 pm (GMT +11) Statusconfirmed (manually revised) Magnitude5.0 Depth74 km Epicenter latitude / longitude49.8455°N / 155.7608°E Sakhalin Oblast, Russia Seismic antipode49.8455°S / 24.239°W Quality160 seismic stations Shaking intensityIII Weak shaking near epicenter Felt1 report Primary data sourceUSGS (United States Geological Survey) Weather at epicenter at time of quakeOvercast Clouds 10.5°C (51 F), humidity: 100%, wind: 4 m/s (7 kts) from ENE Estimated seismic energy released2 x 1012 joules (554 megawatt hours, equivalent to 477 tons of TNT) | equivalent to ONE quake of magnitude 5.0 | about seismic energy

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Nearby places The closest larger town where the quake might have been felt is Severo-Kuril’sk, a town with 2,400 inhabitants in Russia, in 96 km (59 mi) distance north of the epicenter. People likely experienced weak shaking there.
The following table shows some of the places that might have been affected (or not) by the shaking.

Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity

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Date and TimeMag
DepthDistanceLocationDetailsMap Aug 7, 10:26 pm (GMT +9)

4.0

2.6 km2.5 km (1.6 mi) to the SE East China Sea, 95 km west of Tokuno Shima Island, Kagoshima-ken, Japan  I FELT IT InfoAug 6, 09:56 am (GMT +9)

5.0

10 km21 km (13 mi) to the SE East China Sea, 72 km west of Amagi, Kagoshima-ken, Japan  I FELT IT InfoAug 6, 03:50 am (GMT +9)

4.0

3.4 km1.1 km (0.7 mi) to the N East China Sea, 98 km west of Tokuno Shima Island, Kagoshima-ken, Japan  I FELT IT InfoAug 5, 08:39 am (GMT +9)

4.6

10 km32 km (20 mi) to the S East China Sea, 75 km northwest of Okinoerabujima Island, Kagoshima-ken, Japan  I FELT IT InfoAug 5, 07:44 am (GMT +9)

4.1

0 km1.4 km (0.9 mi) to the W East China Sea, 99 km northwest of Okinoerabujima Island, Kagoshima-ken, Japan  I FELT IT InfoJan 7, 04:51 am (GMT +9)

4.3

3.8 km4.1 km (2.5 mi) to the N East China Sea, 98 km northwest of Tokuno Shima Island, Kagoshima-ken, Japan InfoDec 30, 2024 06:20 pm (GMT +9)

4.4

10 km7.4 km (4.6 mi) to the SEEast China Sea, 91 km northwest of Okinoerabujima Island, Kagoshima-ken, Japan InfoJun 14, 2020 12:51 am (GMT +9)

6.5

159 km93 km (58 mi) to the N East China Sea, 136 km northwest of Naze, Kagoshima-ken, Japan 133 reportsInfoAug 16, 2017 09:51 pm (GMT +9)

5.6

189 km78 km (48 mi) to the N East China Sea, 286 km north of Naha, Okinawa, Japan InfoSep 26, 2016 02:19 pm (GMT +9)

5.6

43 km92 km (57 mi) to the SE East

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Sat, 9 Aug 2025, 06:20 | BY: EARTHQUAKEMONITOR

Worldwide earthquakes above magnitude 3 during the past 24 hours on 9 Aug 2025

Summary: 5 quakes 5.0+, 48 quakes 4.0+, 123 quakes 3.0+, 346 quakes 2.0+ (522 total)
This report is being updated every hour.
Magnitude 5+: 5 earthquakes
Magnitude 4+: 48 earthquakes
Magnitude 3+: 123 earthquakes
Magnitude 2+: 346 earthquakes
No quakes of magnitude 6 or higherTotal seismic energy estimate: 3.5 x 1013 joules (9.66 gigawatt hours, equivalent to 8316 tons of TNT or 0.5 atomic bombs!) | equivalent to ONE quake of magnitude 5.8 learn more10 largest earthquakes in the world (past 24 hours)#1: Mag 5.3 Halmahera, IndonesiaFriday, Aug 8, 2025, at 09:22 pm (GMT +9) – #2: Mag 5.0 17 km S of Ozernovskiy, RussiaSaturday, Aug 9, 2025, at 11:11 am (Kamchatka time) – #3: Mag 5.0 166 km SE of Vilyuchinsk, RussiaSaturday, Aug 9, 2025, at 09:05 am (GMT +11) – #4: Mag 5.0 85 km E of Petropavlovsk-Kamchatsky, RussiaSaturday, Aug 9, 2025, at 07:58 am (Kamchatka time) – #5: Mag 5.0 93 km S of Vilyuchinsk, RussiaSaturday, Aug 9, 2025, at 01:05 am (Kamchatka time) – #6: Mag 4.9 Kuril IslandsSaturday, Aug 9, 2025, at 09:53 am (GMT +11) – #7: Mag 4.8 Russia: 176 km From Petropavlovsk-KamchatskiySaturday, Aug 9, 2025, at 03:38 pm (Kamchatka time) – #8: Mag 4.8 169 km SE of Vilyuchinsk, RussiaSaturday,

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