Krakatau volcano (Indonesia): violent phreatomagmatic explosion caught by camera
Tue, 25 Jun 2019, 15:49 | BY: T
This morning's explosion at Krakatau (image: PVMBG)
Seismic trace of the eruption (image: Magma Indonesia / PVMBG)
Seismic activity from Krakatau during the past months (image: Magma Indonesia)
One occurred earlier today at 09:18 local time and was captured today by a monitoring camera installed near the crater rim:
Eruption of Anak Krakatau this morning captured by CVGHM's camera. pic.twitter.com/27VBJ0cqfp
— Devy Kamil Syahbana (@_elangtimur) June 25, 2019
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These so-called surtseyan explosions are driven by violent interaction of magma or hot rocks or other fluids in the conduit with water, as the vent is still flooded. The video shows typical jets of dark trails of ash and steam ("rooster tails") as well as dangerous white steam surges spreading laterally over the ground.
Overall, seismic activity at Krakatoa remains well above background.
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Previous news
Wed, 19 Jun 2019, 06:00
Krakatau volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 19 June-25 June 2019 (Continuing Activity)
PVMBG reported that Anak Krakatau's seismic network recorded at least four eruptive events during 17-24 June. The events were not followed by visible ash emissions, though observations were hindered by weather conditions. A Surtseyan eruption was recorded by a local webcam around 0909 on 25 June. ... Read all
Tue, 18 Jun 2019, 18:47
Krakatoa volcano (Sunda Strait, Indonesia): field report and video 17 June
The activity at the reshaped volcano remains intermittent. ... Read all
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