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Strong magnitude 5.4 earthquake at unknown depth

15 Aug 09:09 UTC: First to report: GFZ after 1 hour and 55 minutes.
15 Aug 09:31: Now using data updates from USGS

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I felt this quake

Earthquake details Date & timeAug 15, 2025 07:14:30 UTC – Local time at epicenterFriday, Aug 15, 2025, at 07:14 pm (GMT +12) Statusconfirmed (manually revised) Magnitude5.4 Depth10 km Epicenter latitude / longitude65.0219°S / 177.8694°E Antarctica Seismic antipode65.0219°N / 2.131°W Quality27 seismic stations Shaking intensityVI Strong shaking near epicenter Felt0 reports Primary data sourceUSGS (United States Geological Survey) Weather at epicenter at time of quakeOvercast Clouds -19.4°C (-3 F), humidity: 99%, wind: 7 m/s (13 kts) from ENE Estimated seismic energy released7.9 x 1012 joules (2.21 gigawatt hours, equivalent to 1898 tons of TNT or 0.1 atomic bombs!) | equivalent to ONE quake of magnitude 5.4 | about seismic energy

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Alert level for this earthquake: Level GREEN Based on seismic and statistical models, USGS estimates that the risk of fatalities and damage from this earthquake is low. The main factors that contribute to this evaluation are: The maximum expected ground shaking from this quake was unlikely to reach dangerous levels over populated areas; it should not have surpassed intensity III

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Fri, 15 Aug 2025, 06:20 | BY: EARTHQUAKEMONITOR

Worldwide earthquakes above magnitude 3 during the past 24 hours on 15 Aug 2025

Summary: 1 quake 6.0+, 4 quakes 5.0+, 43 quakes 4.0+, 142 quakes 3.0+, 375 quakes 2.0+ (565 total)
This report is being updated every hour.
Magnitude 6+: 1 earthquake
Magnitude 5+: 4 earthquakes
Magnitude 4+: 43 earthquakes
Magnitude 3+: 142 earthquakes
Magnitude 2+: 375 earthquakes
No quakes of magnitude 7 or higherTotal seismic energy estimate: 2 x 1014 joules (55.9 gigawatt hours, equivalent to 48131 tons of TNT or 3 atomic bombs!) | equivalent to ONE quake of magnitude 6.3 learn more10 largest earthquakes in the world (past 24 hours)#1: Mag 6.3 Coral Sea, 57 km southwest of Utupua Island, Solomon IslandsFriday, Aug 15, 2025, at 03:22 am (GMT +11) – #2: Mag 5.2 Bering Sea, 48 mi southeast of Yunaska Island, Aleutians West Census Area, Alaska, United StatesThursday, Aug 14, 2025, at 09:00 am (GMT -9) – #3: Mag 5.1 South Pacific Ocean, 199 km west of Jayapura, IndonesiaThursday, Aug 14, 2025, at 03:48 pm (Jayapura time) – #4: Mag 5.0 North Pacific Ocean, 66 km southeast of Ostrov Paramushir Island, Sakhalin Oblast, RussiaFriday, Aug 15, 2025, at 08:52 am (GMT +11) – #5: Mag 5.0 North Pacific Ocean, 68 km south of Ostrov Paramushir Island, Sakhalin Oblast, RussiaFriday, Aug 15, 2025, at 03:46 am (GMT +11) –

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