Alerts

Sangay Volcano Volcanic Ash Advisory: PSBL VA EMS

Published: 20 September 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

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Strong mag. 5.2 earthquake – 144 km SE of Petropavlovsk-Kamchatsky, Russia, on Sunday, Sep 21, 2025, at 02:20 pm (GMT +11)

Published: 20 September 2025
Categories: Global Earthquake Activity

RSS feed source: Volcano Discovery.com

Date and TimeMag
DepthDistanceLocationDetailsMap Sep 21, 01:52 pm (Kamchatka)

4.6

56 km90 km (56 mi) to the N North Pacific Ocean, 88 km east of Petropavlovsk-Kamchatskiy, Kamchatka, Russia  I FELT IT InfoSep 21, 12:13 pm (GMT +11)

5.7

10 km84 km (52 mi) to the NE 171 km E of Petropavlovsk-Kamchatsky, Russia  I FELT IT – 5 reportsInfoSep 21, 10:30 am (Kamchatka)

4.0

35 km96 km (60 mi) to the NE Russia: 159 km From Petropavlovsk-Kamchatskiy  I FELT IT – 1 reportInfoSep 21, 03:36 am (GMT +11)

4.6

41 km102 km (63 mi) to the N 150 km E of Petropavlovsk-Kamchatsky, Russia  I FELT IT InfoSep 21, 01:06 am (GMT +11)

4.5

10 km78 km (48 mi) to the N 129 km E of Petropavlovsk-Kamchatsky, Russia  I FELT IT InfoSep 20, 02:45 am (GMT +11)

5.9

10 km102 km (63 mi) to the NE 178 km E of Petropavlovsk-Kamchatsky, Russia  I FELT IT – 6 reportsInfoSep 20, 12:27 am (GMT +11)

5.5

10 km24 km (15 mi) to the E 164 km SE of Petropavlovsk-Kamchatsky, Russia  I FELT IT InfoSep 19, 09:37 am (GMT +12)

5.7

30 km75 km (47 mi) to the N 138 km E of Petropavlovsk-Kamchatsky, Russia  I FELT IT – 1 reportInfoSep 19, 09:36 am (GMT +12)

5.6

10 km30 km (19 mi) to the E 163 km ESE of Petropavlovsk-Kamchatsky, Russia  I FELT IT InfoSep 19, 06:58 am (GMT +12)

7.8

20 km106 km (66 mi) to the N Yelizovskiy Rayon, 127 km east of Petropavlovsk-Kamchatskiy, Kamchatka, Russia  I FELT IT – 95 reportsInfoSep 13, 02:37 pm (Kamchatka)

7.4

39 km95 km (59 mi) to the N North Pacific Ocean, 111 km east

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Popocatépetl Volcano Volcanic Ash Advisory: PSBL VA EMS

Published: 20 September 2025
Categories: Global Volcano Activity

RSS feed source: Volcano Discovery.com

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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