Alerts

World Earthquake Report for Sunday, 21 September 2025

Published: 21 September 2025
Categories: Global Earthquake Activity

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

Sun, 21 Sep 2025, 14:20 | BY: EARTHQUAKEMONITOR

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

Summary: 6 quakes 5.0+, 50 quakes 4.0+, 160 quakes 3.0+, 356 quakes 2.0+ (572 total)
This report is being updated every hour.
Magnitude 5+: 6 earthquakes
Magnitude 4+: 50 earthquakes
Magnitude 3+: 160 earthquakes
Magnitude 2+: 356 earthquakes
No quakes of magnitude 6 or higherTotal seismic energy estimate: 6.6 x 1013 joules (18.3 gigawatt hours, equivalent to 15765 tons of TNT or 1 atomic bombs!) | equivalent to ONE quake of magnitude 6.0 learn more10 largest earthquakes in the world (past 24 hours)#1: Mag 5.7 171 km E of Petropavlovsk-Kamchatsky, RussiaSunday, Sep 21, 2025, at 12:13 pm (GMT +11) – #2: Mag 5.5 121 km SW of Adak, AlaskaSaturday, Sep 20, 2025, at 09:30 pm (GMT -12) – #3: Mag 5.2 144 km SE of Petropavlovsk-Kamchatsky, RussiaSunday, Sep 21, 2025, at 02:20 pm (GMT +11) – #4: Mag 5.2 South Sandwich Islands RegionSaturday, Sep 20, 2025, at 01:31 pm (GMT -2) – #5: Mag 5.1 North of Severnaya ZemlyaSunday, Sep 21, 2025, at 12:24 pm (GMT +7) – #6: Mag 5.0 New ZealandSaturday, Sep 20, 2025, at 05:17 pm (GMT -12) – #7: Mag 4.9 Malaysia: Malay PeninsulaSunday, Sep 21, 2025, at 01:46 am (Kuala Lumpur time) – #8: Mag 4.8 121 km SE of Petropavlovsk-Kamchatsky, RussiaSunday, Sep

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Reventador Volcano Volcanic Ash Advisory: OCNL TO FRQT VA EMS. to 14000 ft (4300 m)

Published: 21 September 2025
Categories: Global Volcano Activity

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

Sun, 21 Sep 2025, 14:15 | BY: VN

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 5 kts in N direction.
The full report is as follows:

FVXX20 at 14:01 UTC, 21/09/25 from KNES
VA ADVISORY
DTG: 20250921/1359Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2025/916

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.

ERUPTION DETAILS: OCNL TO FRQT VA EMS.

OBS VA DTG: 21/1320Z

OBS VA CLD: SFC/FL140 N0016 W07801 – S0004 W07739
– S0005 W07740 – N0012 W07806 – N0016 W07801 MOV
NW 15KT SFC/FL170 N0001 W07738 – S0005 W07739 –
S0005 W07740 – S0001 W07748 – N0001 W07738 MOV N
5KT

FCST VA CLD +6HR: 21/1930Z SFC/FL140 N0009 W07754
– S0004 W07739 – S0005 W07740 – N0005 W07758 –
N0009 W07754 SFC/FL170 NO VA EXP

FCST

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Sangay Volcano Volcanic Ash Advisory: OCNL VA EMS. to 21000 ft (6400 m)

Published: 21 September 2025
Categories: Global Volcano Activity

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

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