Magma intrusion is likely source of Columbia-Ecuador border quake swarms

Magma intrusion is likely source of Columbia-Ecuador border quake swarms
San Francisco CA (SPX) Apr 24, 2015 - The "seismic crisis" around the region of the Chiles and Cerro Negro de Mayasquer volcanoes near the Columbia-Ecuador border is likely caused by intruding magma, according to a report by R. Corredor Torres of the Servicio Geologico Colombiano and colleagues presented at the annual meeting of the Seismological Society of America (SSA). The intruding magma appears to be interacting with the ... more

---