RSS feed source: USGS Earthquake Hazards Program

Sat, 8 Nov 2025, 20:43 | BY: EARTHQUAKEMONITOR

An earthquake of magnitude 5.9 occurred early morning on Sunday, November 9th, 2025, at 6:29 am local time near Miyako, Miyako Shi, Iwate, Japan, as reported by the European-Mediterranean Seismological Centre (EMSC).
According to preliminary data, the quake was located at a shallow depth of 20. km. 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.
A second report was later issued by the citizen-seismograph network of RaspberryShake, which listed it as a magnitude 5.5 earthquake. Other agencies reporting the same quake include the German Research Centre for Geosciences (GFZ) at magnitude 5.5, France’s Réseau National de Surveillance Sismique (RéNaSS) at magnitude 5.5, and Japan’s National Research Institute for Earth Science and Disaster Resilience (NIED) at magnitude 5.9.
Generally quakes of this magnitude are recorded by more than one agency and the results can vary, with subsequent reports that come in after the first one often showing more accuracy.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other

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RSS feed source: USGS Earthquake Hazards Program

…Fire weather watch in effect for Sunday… Elevated fire weather conditions will persist from Sunday through Wednesday. Sunday will be the biggest concern for fire weather as the dry cold front passes through the region and very dry air will follow. Dew points will drop into the 30s while minimum RH values will be around 25 to 35%. In addition, winds will be from the north around 10 to 20 MPH with gusts up to 30. While Sunday will be the main concern for fire weather, hence watch issuance, elevated fire weather will be an issue through Wednesday. The National Weather Service in Lake Charles has issued a Fire Weather Watch

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RSS feed source: USGS Earthquake Hazards Program

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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