World Earthquake Report for Monday, 18 August 2025

Published: 18 August 2025
Categories: Global Earthquake Activity

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

Tue, 19 Aug 2025, 00:24 | BY: EARTHQUAKEMONITOR

Worldwide earthquakes above magnitude 3 during the past 24 hours on 19 Aug 2025

Summary: 9 quakes 5.0+, 46 quakes 4.0+, 188 quakes 3.0+, 408 quakes 2.0+ (651 total)
Magnitude 5+: 9 earthquakes
Magnitude 4+: 46 earthquakes
Magnitude 3+: 188 earthquakes
Magnitude 2+: 408 earthquakes
No quakes of magnitude 6 or higherTotal seismic energy estimate: 8.4 x 1013 joules (23.3 gigawatt hours, equivalent to 20064 tons of TNT or 1.3 atomic bombs!) | equivalent to ONE quake of magnitude 6.1 learn more10 largest earthquakes in the world (18 Aug 2025)#1: Mag 5.7 South Pacific Ocean, 375 km west of Isla Guamblin Island, Region Aysen, ChileMonday, Aug 18, 2025, at 02:10 am (GMT -5) – #2: Mag 5.6 TongaMonday, Aug 18, 2025, at 11:03 am (GMT -12) – #3: Mag 5.5 South Pacific Ocean, 234 km southwest of Apia, Tuamasaga, SamoaMonday, Aug 18, 2025, at 08:48 pm (GMT +13) – #4: Mag 5.2 FijiTuesday, Aug 19, 2025, at 08:25 am (GMT +13) – #5: Mag 5.2 North Pacific Ocean, 200 km south of Petropavlovsk-Kamchatskiy, Kamchatka, RussiaMonday, Aug 18, 2025, at 10:12 pm (GMT +12) – #6: Mag 5.1 38 km northwest of Hakodate, Hokkaido, JapanTuesday, Aug 19, 2025, at 07:19 am (GMT +9) – #7: Mag 5.0 Banda Sea, 70 km west of Pulau Romang Island, Maluku, IndonesiaTuesday, Aug 19, 2025, at

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Moderate mag. 4.0 earthquake – South Pacific Ocean, 20 km northwest of La Serena, Provincia de Elqui, Region de Coquimbo, Chile, on Monday, Aug 18, 2025, at 09:22 pm (Santiago time)

Published: 18 August 2025
Categories: Global Earthquake Activity

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

Date and TimeMag
DepthDistanceLocationDetailsMap Aug 17, 01:08 am (Santiago)

4.0

50 km19 km (12 mi) to the S South Pacific Ocean, 15 km west of La Serena, Provincia de Elqui, Region de Coquimbo, Chile  I FELT IT – 3 reportsInfoAug 2, 02:48 am (Santiago)

4.1

40 km77 km (48 mi) to the N 85 km southwest of Vallenar, Huasco, Region de Atacama, Chile InfoAug 2, 12:52 am (Santiago)

4.4

65 km12 km (7.6 mi) to the SW South Pacific Ocean, 22 km west of La Serena, Provincia de Elqui, Region de Coquimbo, Chile 3 reportsInfoJul 27, 06:37 am (GMT -4)

4.8

44 km66 km (41 mi) to the NW South Pacific Ocean, 86 km northwest of La Serena, Provincia de Elqui, Region de Coquimbo, Chile 2 reportsInfoJun 28, 06:58 am (Santiago)

4.7

57 km9.2 km (5.7 mi) to the E 17 km Al N De La Serena 9 reportsInfoSep 6, 2023 07:48 pm (Santiago)

6.3

36 km57 km (36 mi) to the S 38 km SSW of Coquimbo, Chile 118 reportsInfoSep 5, 2020 09:16 pm (Santiago)

6.3

30 km66 km (41 mi) to the S Provincia de Elqui, 36 km northwest of Ovalle, Provincia de Limari, Region de Coquimbo, Chile 84 reportsInfoJun 13, 2019 08:19 pm (GMT -4)

6.1

10 km74 km (46 mi) to the W Off Coast of Central Chile 11 reportsInfoJan 19, 2019 10:32 pm (Santiago)

6.6

59 km29 km (18 mi) to the S Near Coast of Central Chile 314 reportsInfoFeb 9, 2016 09:33 pm (Santiago)

6.3

24 km89 km (55 mi) to the S 30 km west of Ovalle, Provincia de Limari, Region de Coquimbo, Chile 36 reportsInfoNov

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Nevado del Ruiz Volcano Volcanic Ash Advisory: VA EMS OBS

Published: 18 August 2025
Categories: Global Volcano Activity

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

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Popocatépetl Volcano Volcanic Ash Advisory: NO VA EMS

Published: 18 August 2025
Categories: Global Volcano Activity

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

Background:

Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America’s 2nd-highest volcano.  The glacier-clad stratovolcano contains a steep-walled, 250-450 m deep crater.  The generally symmetrical volcano is modified by the sharp-peaked Ventorrillo on the NW, a remnant of an earlier volcano. 
At least three previous major cones were destroyed by gravitational failure during the Pleistocene, producing massive debris-avalanche deposits covering broad areas south of the volcano.  The modern volcano was constructed to the south of the late-Pleistocene to Holocene El Fraile cone.  Three major plinian eruptions, the most recent of which took place about 800 AD, have occurred from Popocatépetl since the mid Holocene, accompanied by pyroclastic flows and voluminous lahars that swept basins below the volcano.  Frequent historical eruptions, first recorded in Aztec codices, have occurred since precolumbian

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