World Earthquake Report for Saturday, 21 December 2024

Published: 20 December 2024
Categories: Global Earthquake Activity

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

Sat, 21 Dec 2024, 06:20 | BY: EARTHQUAKEMONITOR

Worldwide earthquakes above magnitude 3 during the past 24 hours on 21 Dec 2024

Summary: 4 quakes 5.0+, 36 quakes 4.0+, 109 quakes 3.0+, 258 quakes 2.0+ (407 total)
This report is being updated every hour.
Magnitude 5+: 4 earthquakes
Magnitude 4+: 36 earthquakes
Magnitude 3+: 109 earthquakes
Magnitude 2+: 258 earthquakes
No quakes of magnitude 6 or higherTotal seismic energy estimate: 3.4 x 1013 joules (9.33 gigawatt hours, equivalent to 8028 tons of TNT or 0.5 atomic bombs!) learn more10 largest earthquakes in the world (past 24 hours)#1: Mag 5.4 Coral Sea, 67 km southwest of Utupua Island, Solomon IslandsSaturday, Dec 21, 2024, at 01:33 am (GMT +11) – #2: Mag 5.1 Banda Sea, 169 km southwest of Nuhu Roa Island, Maluku, IndonesiaSaturday, Dec 21, 2024, at 04:26 am (GMT +9) – #3: Mag 5.0 68 km northeast of Dipayal, Sudurpashchim Pradesh, NepalSaturday, Dec 21, 2024, at 04:14 am (Kathmandu time) – #4: Mag 5.0 Coral Sea, 62 km southwest of Utupua Island, Solomon IslandsSaturday, Dec 21, 2024, at 01:10 am (GMT +11) – #5: Mag 4.9 South China Sea, 92 km west of Vigan, Ilocos Sur, Ilocos, PhilippinesSaturday, Dec 21, 2024, at 07:53 am (GMT +8) – #6: Mag 4.9 central Mid-Atlantic RidgeFriday, Dec 20, 2024, at 08:23 pm (GMT -3) – #7: Mag 4.9 Philippine Sea, 169 km southeast

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Sangay Volcano Volcanic Ash Advisory: NEW VA EMS to 20000 ft (6100 m)

Published: 20 December 2024
Categories: Global Volcano Activity

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

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Popocatépetl Volcano Volcanic Ash Advisory: ONGOING SIG VA EMS to 22000 ft (6700 m)

Published: 20 December 2024
Categories: Global Volcano Activity

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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Small earthquake of magnitude 2.9 just reported 24 miles northwest of Cessnock, New South Wales, Australia

Published: 20 December 2024
Categories: Global Earthquake Activity

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

Sat, 21 Dec 2024, 02:13 | BY: EARTHQUAKEMONITOR

An earthquake of magnitude 2.9 occurred around noon on Saturday, December 21st, 2024, at 12:46 pm local time near Cessnock, New South Wales, Australia, as reported by Geoscience Australia (GeoAu).
According to preliminary data, the quake was located at a very shallow depth of 1.9 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 2.9 as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Bulga (pop. 350) located 3 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Singleton Heights (pop. 4,600) located 10 miles from the epicenter. In Branxton (pop. 2,000, 19 miles away), Bellbird (pop. 2,000, 23 miles away), Cessnock (pop. 15,100, 24 miles away), Denman (pop. 1,800, 26 miles

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