Person

S. Miki Warren

Associate

Volcano Science Center

Email: swarren@usgs.gov
Office Phone: 808-967-8837

Supervisor: David A Phillips

2 items:

Volcanic plume heights from the summit of Kīlauea Volcano, Hawai'i This data release provides volcanic plume heights from the summit of Kīlauea Volcano for 2008-2015, and during the eruptive events of 2018. For 2018, a Secacam Wild Vision Full HD camera with a 7mm focal length was located at 1717 m elevation approximately 15 m south of the Mauna Loa Strip Road within Hawaiʻi Volcanoes National Park, 19.475843°N, 155.363560°W (WGS84). The camera was pointed southeast to capture images of the Kīlauea caldera every two minutes. These images were used to calculate maximum plume heights within the full frame of the camera. For each two-minute image, the maximum plume heights above the Halemaʻumaʻu crater rim, and in the overall image, were calculated using the horizontal distance to... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Halema‘uma‘u, Kīlauea Crater, Kīlauea Volcano, USGS Science Data Catalog (SDC), eruption plume, All tags... none, plume height, Fewer tags
Sulfur dioxide emission rates from Hawaiian volcanoes, 2018-2022 Measurement of sulfur dioxide (SO2) emission rates is a critical aspect of monitoring and studying active volcanoes. Changes in emission rate are often associated with changes in volcanic activity and in some cases may herald future changes in activity. At the Hawaiian Volcano Observatory (HVO), emission rates of SO2 from Hawaiian volcanoes have been measured by ultraviolet spectrometer since the late 1970s [Casadevall and others, 1987]. Here we present a compilation of SO2 emission rate measurements made from 2018 to 2022. The emission rates (in t/d) span five orders of magnitude through a range of activity styles unprecedented in recent times, including caldera collapse [Anderson and others, 2019], the first prolonged... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: DOAS, Geochemistry, Hawaii, Kīlauea, Mauna Loa, All tags...

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