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

Mon, 22 Sep 2025, 00:24 | BY: EARTHQUAKEMONITOR

Worldwide earthquakes above magnitude 3 during the past 24 hours on 22 Sep 2025

Summary: 6 quakes 5.0+, 55 quakes 4.0+, 166 quakes 3.0+, 368 quakes 2.0+ (595 total)
Magnitude 5+: 6 earthquakes
Magnitude 4+: 55 earthquakes
Magnitude 3+: 166 earthquakes
Magnitude 2+: 368 earthquakes
No quakes of magnitude 6 or higherTotal seismic energy estimate: 6.7 x 1013 joules (18.5 gigawatt hours, equivalent to 15927 tons of TNT or 1 atomic bombs!) | equivalent to ONE quake of magnitude 6.0 learn more10 largest earthquakes in the world (21 Sep 2025)#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 5.1 North of Severnaya ZemlyaSunday, Sep 21, 2025, at 05:24 am (Universal Time) – #5: Mag 5.1 10 km SSW of Sındırgı, TurkeyMonday, Sep 22, 2025, at 12:05 am (GMT +3) – #6: Mag 5.0 New ZealandSaturday, Sep 20, 2025, at 05:17 pm (GMT -12) – #7: Mag 4.9 19 km WSW of Abriaquí, ColombiaSunday, Sep 21, 2025, at 03:17 pm (Bogota time) – #8: Mag 4.9 North of Severnaya ZemlyaSunday, Sep 21, 2025, at 11:19

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

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