Earthquake Analysis Suggests Dyke Intrusion in 2019 Near Tarawera Volcano, New Zealand

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Title

Earthquake Analysis Suggests Dyke Intrusion in 2019 Near Tarawera Volcano, New Zealand

Content partner

Victoria University of Wellington

Collection

Open Access Victoria University of Wellington

Description

Tarawera volcano (New Zealand) is volumetrically dominated by rhyolitic lavas and pyroclastic deposits, but the most recent event in AD 1886 was a basaltic Plinian fissure eruption. In March 2019 a swarm of at least 64 earthquakes occurred to the NE of Tarawera volcano, as recorded by the New Zealand Geohazard Monitoring Network (GeoNet). We use seismological analysis to show that this swarm was most likely caused by a dyke that intruded into the brittle crust between depths of 8–10 km and pr...

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Format

Research paper

Research format

Scholarly text / Journal article

Date created

2021

Creator

TW Benson / Finnigan Illsley-Kemp / HC Elms / IJ Hamling / Martha Savage / Colin Wilson / Eleanor Mestel / Simon Barker

URL

https://figshare.com/articles/journal_contribution/Earthquake_Analysis_Suggests_Dyke_Intrusion_in...

Related subjects

Geology not elsewhere classified / Geophysics not elsewhere classified / Physical geography and environmental geoscience not elsewhere classified / dyke intrusion / volcano seismicity / seismology / volcanology / InSAR / Okataina Volcanic Center / Tarawera volcano / Physical Geography and Environmental Geoscience not elsewhere classified / Geology / Geophysics

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