23 Dec Decrease in seismic activity, ash emission, but slight vertical deflation of Tajogaite
Decrease in seismic activity, ash emission, but slight vertical deflation of Tajogaite
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Hawiian eruptive behaviour creates lava flows and an ash plume whilst seismic activity drops
Last night, at 21:03 UTC, one earthquake of magnitude 2.5(mbLg) earthquake was recorded. Throughout this morning, between 4:00 and 7:00 UTC, a seismic swarm took place in the area, 16 earthquakes were located between 7 and 14 km deep. The largest earthquake in the past 24 hours occurred at 06:05 UTC with 3.2 (mbLg) magnitude. The island’s network of permanent GNSS stations shows slight deflation recorded at station LP03 and to a lesser extent in that of LP04 GNSS stations which are located close to the eruptive centre. Another VONA was issued today due to the ash emission decrease (IGN, 2021). Multiple lava fountains fed the lava flows, although activity waned throughout the day and resumed in the evening (GVP, 2021).
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