Volcanos

Roundup of Global Volcanic Activity – New Activity for the week 30 March – 5 April 2022

Agung – Bali : Based on ground reports, satellite imagery, and wind model data, the Darwin VAAC reported that during 3 April an ash plume from Agung rose to 3.7 km (12,000 ft) a.s.l.

Poas – Costa Rica : OVSICORI-UNA reported that on 6 April at 0242 a phreatic explosion was detected at the N wall crater wall at Poás, generating a plume that rose 500 m above the crater. Activity lasted for three minutes.

Purace – Colombia : The Popayán Observatory, part of the Servicio Geologico Colombiano (SGC) reported that there was an increase in the number of volcano-tectonic earthquakes associated with rock fractures at Puracé. On 28 March, 479 volcanic tremors, 183 long-period (LP), and 119 volcanic tremor (TR) events were detected. Seismicity was detected 800 m SE from the crater at average depths of 2 km. An earthquake that occurred at 1214 on 29 March had a magnitude of 3.3. That same day, two cracks approximately 40 m long produced gas-and-steam emissions.

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