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Volcano Observatory

USGS Keeps Volcano Alert Levels Elevated on 4 U.S. Volcanoes

by Weatherboy Team Meteorologist - February 14, 2025

Early on February 12, 2025, USGS Hawaiian Volcano Observatory field crews were able to measure lava fountain heights of 148-164 feet, lava lake levels, and lava flow velocities before activity at both vents ceased over a 15 minute window. The caldera wall behind the vents is 590 feet tall, with about 100 feet of new lava added to the caldera floor in the vicinity of the vents since the eruption began on December 23, 2024. Image: USGS / K. Lynn

[…]

USGS Keeping Four U.S. Volcanoes at Elevated Risk Alert Levels this Holiday Weekend

by Weatherboy Team Meteorologist - July 3, 2022

This image shows spattering on the active lake surface of Halema‘uma‘u, as seen during a Kīlauea summit observational field shift on June 29, 2022 on the Big Island of Hawaii. This is one of four volcanoes at an ORANGE / WATCH level in the United States. Image: USGS / L. Gallant

[…]

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