Repeating seismic events offer clues about Costa Rican volcanic eruptions

scosta | May 17, 2018 | Costa Rica News

Repeating seismic events–events that have the same frequency content and waveform shapes–may offer a glimpse at the movement of magma and volcanic gases underneath Turrialba and Poas, two well-known active volcanoes in Costa Rica. At the 2018 SSA Annual Meeting, Rebecca Salvage of the Observatorio Vulcanologico y Sismologico de Costa Rica presented an analysis of these repeating signals from the volcanoes since July 2016.

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