Chiles Cerro Negro Volcano Update; Increasing Earthquake Swarms

On May 25th, the number of earthquakes centered around a little known volcanic complex on the border of Colombia and Ecuador began rapidly increasing. This complex has been at a raised yellow alert level for some time, and the several hundred daily earthquakes marked an intensification of volcanic activity. Clearly, magma is moving at depth. Yet, little is known about the Chiles-Cerro Negro volcanic complex. This video will separate fact from fiction, and discuss the context of the ongoing seismic unrest.

Volcano Alert Level Map:
https://www.igepn.edu.ec/red-de-obser...

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Graphics of eruption dates are courtesy of the Global Volcanism Program, Smithsonian Institute. https://volcano.si.edu/

Google Earth imagery used in this video: ©Google

Thumbnail Photo Credit: ⒸGoogle (via Google Earth), Image Landsat / Copernicus, 2022 CNES / Airbus

Citations:
[1] INSTITUTO GEOFÍSICOESCUELA POLITÉCNICA NACIONAL, INFORME ESPECIAL COMPLEJO VOLCÁNICO CHILES –CERRO NEGRONo.2022-001
[2] Instituto Geofisico EPN, CHILES- CERRO NEGRO VOLCANIC COMPLEX
[3] Smithsonian Institution, Global Volcanism Program, “Chiles-Cerro Negro”

0:00 Volcanic earthquake swarm
0:18 Location of the quake swarm
0:43 VT Earthquake cause
1:18 Geologic History
2:05 "Recent" Eruptions
3:44 Hazards if an eruption occurs