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NCAR developed and Vaisala commercialized the dropsonde, a meteorological instrument that is deployed from an aircraft into hurricanes to improve both track and intensity forecasts

News & Events

Scientists within the USGS Volcano Hazards Program operate from within five U.S. volcano observatories. One of the primary goals of the observatories is to be an authoritative source for enlightening information about our Nation's volcanoes.

The Hawaiian Volcano Observatory (HVO), the oldest of the five, has a long history of writing regular articles about volcanic activity and scientific research on the Hawaiian volcanoes.

On May 3, 2018, the eruption in Leilani Estates subdivision, Kīlauea Volcano Hawaii: The intrusion of molten rock into the lower East Rift Zone of Kīlauea Volcano reached the surface in the late afternoon on May 3 in a part of Leilani Estates. A fissure about 150 m (492 ft) long erupted mostly spatter and intermittent bubble bursts for about 2 hours. Lava did not travel more than a few m (yards) from the fissure. Hawaii County Civil Defense is coordinating needed response including evacuation of a portion of the Leilani subdivision. USGS Hawaiian Volcano Observatory deployed geologists to the eruption site overnight, and other scientists are monitoring various data streams telemetered to the observatory 24/7. Check the Kīlauea webpages for new information (updates, photos, maps). Updates will be sent out as new information is gathered and as new outbreaks of lava occur.