Turrialba volcano (Costa Rica): new series of phreatic explosions
Mon, 25 Jul 2016, 15:37 | BY: T
Eruption of Turrialba this morning (image: RSN)
Costa Rican volcanologist describe the explosions which each lasted a few minutes as phreatic, i.e. driven by overheated water from the hydrothermal system suddenly flashing into steam. The first explosions occurred at 21:22 and 22:16 local time last night and were followed by similar ones at 07:22 and 08:25 this morning.
The eruptions were similar to many others in the ongoing phase of intermittent explosions at the volcano during the past months; they ejected ballistic blocks of high temperature to the crater rim and generated ash plumes that rose several hundreds of meters before drifting SW where ash fall occurred in nearby areas.
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Previous news
Wed, 20 Jul 2016, 06:00
Turrialba volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 July-26 July 2016 (Continuing Activity)
OVSICORI-UNA reported that an explosion at Turrialba recorded at 1309 on 22 July generated an ash plume that rose 800 m and drifted W. Increased tremor coincided with the event. Ash-and-gas emissions rose from the crater for approximately 15 minutes, starting at 1543. ... Read all
Wed, 13 Jul 2016, 06:00
Turrialba volcano (Costa Rica) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 July-19 July 2016 (Continuing Activity)
OVSICORI-UNA reported that at 1330 on 13 July Turrialba produced a weak ash emission that rose 100 m and drifted W. ... Read all
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