Keywords: volcano natural hazards naturalhazards lava usgs science national park nationalpark nps measurement hawaii kilauea hawaii volcanoes national park hawaiivolcanoesnationalpark outdoor #TBT: Taken at the Hawaii Volcanoes National Park during the eruption of Kilauea Volcano beginning in 1983. A USGS geologist is measuring the height of a lava fountain. Photo by J.D. Griggs, March 28, 1983. #TBT: Taken at the Hawaii Volcanoes National Park during the eruption of Kilauea Volcano beginning in 1983. A USGS geologist is measuring the height of a lava fountain. Photo by J.D. Griggs, March 28, 1983. |