Volcano earthquake report for Thursday, 21 Aug 2025

Published: 20 August 2025
Categories: Global Earthquake Activity

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

Thu, 21 Aug 2025, 01:50 | BY: EARTHQUAKEMONITOR

World map showing volcanoes with shallow (less than 50 km) earthquakes within 20 km radius during the past 24 hours on 21 Aug 2025 Number in brackets indicate nr of quakes.

Quakes detected near: Abu (15 quakes between mag 0.2-1.0), Agua (1 quake mag 3.3), Akan (1 quake mag 2.0), Akita-Yake-yama (1 quake mag 1.0), Akuseki-jima (2 quakes between mag 1.8-2.6), Bardarbunga (2 quakes between mag 1.0-1.0)
Black Rock Desert (1 quake mag 2.0), Brennisteinsfjöll (17 quakes between mag 0.1-1.5), Campi Flegrei (Phlegrean Fields) (17 quakes between mag 0.1-1.5), Cerro Singüil (2 quakes between mag 2.4-2.6), Clear Lake (26 quakes between mag 0.2-1.7), Coso (4 quakes between mag 0.0-1.5), Daisen (1 quake mag 1.5), Daisetsu (1 quake mag 1.1), Diky Greben (1 quake mag 2.8), El Chichón (1 quake mag 2.5), Eldey (2 quakes between mag 1.4-1.5), Hrómundartindur (16 quakes between mag 0.0-1.2), Hualalai (1 quake mag 1.8), Ilopango (1 quake mag 2.3), Irazu (2 quakes between mag 0.9-1.7), Katla (5 quakes between mag 0.2-1.5), Kilauea (1 quake mag 1.9), Klyuchevskoy (14 quakes between mag 1.0-2.2), Kolumbo (2 quakes between mag 1.4-1.7), Krísuvík (15 quakes between mag 0.1-1.6), Kverkfjöll (1 quake mag 2.0), Ljósufjöll (13 quakes between mag 0.1-2.2), Michoacán-Guanajuato (4 quakes between mag 2.5-2.8), Mount St. Helens (1 quake mag 1.4), Mutnovsky (6 quakes between

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Moderate mag. 4.2 earthquake – North Pacific Ocean, Tokyo, 47 km southeast of Shimoda, Shizuoka, Japan, on Thursday, Aug 21, 2025, at 10:44 am (GMT +9)

Published: 20 August 2025
Categories: Global Earthquake Activity

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

Date and TimeMag
DepthDistanceLocationDetailsMap Aug 10, 08:08 pm (GMT +9)

4.0

10 km11 km (7.1 mi) to the N North Pacific Ocean, Tokyo, 50 km southeast of Ito, Shizuoka, Japan 1 reportInfoJun 19, 04:37 pm (GMT +9)

4.7

10 km92 km (57 mi) to the S Philippine Sea, 45 km south of Miyake, Tokyo, Japan InfoJun 17, 11:07 am (GMT +9)

4.2

114 km71 km (44 mi) to the E North Pacific Ocean, 64 km southeast of Tateyama, Chiba, Japan InfoMay 9, 12:17 pm (GMT +9)

4.0

102 km100 km (62 mi) to the E North Pacific Ocean, 65 km southeast of Tateyama, Chiba, Japan InfoFeb 24, 04:07 am (GMT +9)

4.7

86 km86 km (53 mi) to the E 40 km SE of Wada, Japan 30 reportsInfoJan 16, 09:07 am (GMT +9)

4.5

56 km52 km (32 mi) to the E 41 km SSE of Tateyama, Japan InfoDec 24, 2024 01:18 am (GMT +9)

4.5

70 km99 km (61 mi) to the E 66 km SSE of Katsuura, Japan InfoMay 5, 2014 05:18 am (GMT +9)

6.0

153 km46 km (29 mi) to the N North Pacific Ocean, Tokyo, 31 km east of Ito, Shizuoka, Japan 29 reportsInfoAug 1, 2011 11:58 pm (GMT +9)

5.9

13 km91 km (56 mi) to the W 20 km E of ?yama, Japan InfoMar 11, 2011 03:15 pm (GMT +9)

7.9

43 km251 km (156 mi) to the NE North Pacific Ocean, 60 km east of Mito, Ibaraki, Japan InfoAug 9, 2009 07:55 pm (GMT +9)

7.1

292 km201 km (125 mi) to the SW Philippine Sea, 172 km west of Hachijo Jima Island, Tokyo, Japan InfoJan 16, 2007 03:17 am

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Moderate mag. 4.0 earthquake – North Pacific Ocean, 31 km southwest of Pinotepa Nacional, Mexico, on Wednesday, Aug 20, 2025, at 07:41 pm (Mexico City time)

Published: 20 August 2025
Categories: Global Earthquake Activity

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

Date and TimeMag
DepthDistanceLocationDetailsMap Aug 20, 05:46 am (Mexico City)

4.3

28 km70 km (43 mi) to the E 59 km southeast of Pinotepa Nacional, Estado de Oaxaca, Mexico  I FELT IT InfoAug 13, 12:45 am (GMT -7)

4.0

15 km72 km (45 mi) to the W North Pacific Ocean, 94 km southwest of Ometepec, Estado de Guerrero, Mexico InfoAug 12, 09:23 pm (GMT -7)

4.0

4.8 km88 km (55 mi) to the SE North Pacific Ocean, 53 km southwest of Puerto Escondido, Mexico  I FELT IT InfoAug 4, 10:51 pm (GMT -7)

4.2

11 km66 km (41 mi) to the W North Pacific Ocean, 89 km southwest of Ometepec, Estado de Guerrero, Mexico InfoJul 21, 02:37 am (GMT -6)

4.0

14 km76 km (47 mi) to the E 53 km northwest of Puerto Escondido, Estado de Oaxaca, Mexico InfoSep 7, 2021 08:47 pm (Mexico City)

7.1

10 km197 km (122 mi) to the W North Pacific Ocean, 8 km south of Acapulco de Juárez, Mexico 405 reportsInfoMar 19, 2021 09:06 pm (Mexico City)

5.7

19 km89 km (55 mi) to the NW North Pacific Ocean, 66 km southwest of Ometepec, Estado de Guerrero, Mexico 66 reportsInfoJun 23, 2020 03:29 pm (Universal Time)

7.1

10 km265 km (165 mi) to the E 62 km west of Salina Cruz, Estado de Oaxaca, Mexico 469 reportsInfoFeb 19, 2018 12:56 am (Mexico City)

5.9

22 km55 km (34 mi) to the E 35 km east of Pinotepa Nacional, Estado de Oaxaca, Mexico 134 reportsInfoFeb 16, 2018 06:36 pm (Mexico City)

5.8

3.5 km38 km (24 mi) to the E 29 km southeast of Pinotepa Nacional, Estado

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