Strong mag. 5.7 earthquake – 51 km SE of Ōfunato, Japan, on Friday, Aug 22, 2025, at 07:34 am (GMT +9)

Published: 21 August 2025
Categories: Global Earthquake Activity

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

Date and TimeMag
DepthDistanceLocationDetailsMap Aug 13, 01:34 pm (GMT +9)

4.0

60 km96 km (60 mi) to the S Near East Coast of Honshu, Japan InfoJul 28, 02:03 am (GMT +9)

4.5

66 km95 km (59 mi) to the S 72 km SSE of Onagawa Chō, Japan 6 reportsInfoJun 14, 07:47 pm (GMT +9)

5.0

55 km20 km (13 mi) to the SW North Pacific Ocean, 59 km east of Ishinomaki, Miyagi, Japan 4 reportsInfoJun 13, 03:02 am (GMT +9)

4.1

53 km59 km (36 mi) to the N 9 km SE of Kamaishi, Japan InfoJun 4, 12:15 am (GMT +9)

4.4

64 km72 km (45 mi) to the S North Pacific Ocean, 75 km southeast of Ishinomaki, Miyagi, Japan InfoMar 16, 2022 11:36 pm (GMT +9)

7.3

41 km119 km (74 mi) to the S North Pacific Ocean, 67 km south of Tashiro Jima Island, Miyagi, Japan 101 reportsInfoMay 1, 2021 10:27 am (GMT +9)

6.7

61 km71 km (44 mi) to the SW North Pacific Ocean, 36 km southeast of Ishinomaki, Miyagi, Japan 98 reportsInfoMar 20, 2021 06:09 pm (GMT +9)

6.9

44 km62 km (39 mi) to the W Near East Coast of Honshu, Japan 218 reportsInfoFeb 13, 2021 11:07 pm (GMT +9)

7.0

56 km117 km (73 mi) to the S North Pacific Ocean, 89 km southeast of Sendai, Miyagi, Japan 472 reportsInfoSep 12, 2020 11:44 am (GMT +9)

6.0

40 km7.8 km (4.9 mi) to the NE Near East Coast of Honshu, Japan 10 reportsInfoApr 20, 2020 05:39 am (GMT +9)

6.3

53 km23 km (15 mi) to the NW North Pacific Ocean, 29 km southeast of Ofunato, Iwate, Japan 12 reportsInfoNov 12,

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World Earthquake Report for Thursday, 21 August 2025

Published: 21 August 2025
Categories: Global Earthquake Activity

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

Thu, 21 Aug 2025, 22:20 | BY: EARTHQUAKEMONITOR

Worldwide earthquakes above magnitude 3 during the past 24 hours on 21 Aug 2025

Summary: 4 quakes 5.0+, 41 quakes 4.0+, 147 quakes 3.0+, 382 quakes 2.0+ (574 total)
Today’s seismic activity was relatively moderate but varied across regions. In Indonesia, a magnitude-4.9 quake near Bekasi rattled Jakarta and surrounding areas Wednesday night, though no damage or casualties were immediately reported (Tempo). In the United States, a 4.1-magnitude tremor struck near Fairbanks, Alaska around noon, with preliminary reports indicating little to no disruption (VolcanoDiscovery). In Russia’s Far East, a magnitude-5.2 earthquake occurred near Shikotan, Sakhalin Oblast; based on available data, no significant damage was noted (VolcanoDiscovery).
Southeast Asia also saw activity: near Yangon, Myanmar, two quake —magnitude-5.0 early evening and a 5.2-magnitude in the morning struck the West Yangon District; press coverage hasn’t detailed any damage or injuries (VolcanoDiscovery).
Additionally, minor quakes were recorded in California, including a 2.5-magnitude near Woodside and smaller tremors in Petrolia and near The Geysers, all causing no notable effects (SanLuisObispo.com, USGS).
Overall, today’s activity featured several mid-magnitude quakes dispersed across the globe, with no confirmed serious impact reported in the press at this time.
This report is being updated every hour.
Magnitude 5+: 4 earthquakes
Magnitude 4+: 41 earthquakes
Magnitude 3+: 147 earthquakes
Magnitude 2+: 382 earthquakes
No quakes of magnitude 6 or higherTotal seismic energy estimate: 5.6 x 1013

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Volcanic activity worldwide 21 Aug 2025: Etna volcano, Santiaguito, Popocatépetl, Ibu, Dukono, Reve…

Published: 21 August 2025
Categories: Global Volcano Activity

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

Thu, 21 Aug 2025, 21:00 1755810004 | BY: SEVERAL CONTRIBUTORS

Map of today’s active volcanoes

Etna (Sicily, Italy): (21 Aug) A new eruptive fissure opened on the southern flank of the Southeast Crater at about 13:40 local time yesterday.
A new lava flow effuses from an altitude of 3,200 meters above sea level towards the southwest.
… [read more]

Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20250821/2021Z OVER FL060 EXTD SE OBS VA DTG:21/2010Z
…21 Aug:
The Japan Meteorological Agency (JMA) reported that the eruption continued at Aira between 18 August 2025 (local) and 20 August 2025 (local). The alert level at Aira remained at “Level 3 – Restriction on proximity to the volcano” (on a 5-level scale). Ground deformation data indicated a notable inflationary trend since 1600 on 19 August.
Source: Japan Meteorological Agency (JMA)
… [read more]

Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic

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