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Earth Day (https://www.earthday.org/) was first established on April 22, 1970, to raise awareness of some of the harmful effects industrialization was...

An eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Intermittent lava activity is confined within Halema‘uma‘u...

It’s a pale blue dot. It’s also a landscape of jagged peaks and valleys beneath fluffy white clouds. It's a vast field of wispy green grasses and a...

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.3 earthquake on Friday, April 15, at 01:58:25 a.m., HST...

Mauna Loa and Kīlauea are the two most active volcanoes on the Island of Hawai‘i, and they have overlapping eruption histories. They are located in...

Volcanoes are an incredible feature of Earth’s geologic environment – at once awe-inspiring and terrifying. They remind us that the planet we call...

An eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Intermittent lava activity is confined within Halema‘uma‘u...

The U.S. Department of the Interior, U.S. Geological Survey (USGS) is preparing an Environmental Assessment (EA) for a new facility in Hilo, Hawai‘i...

I think the Island of Hawaiʻi is one of the most magical places on Earth. You can literally see land in the making when one of the volcanoes is...

Before the current network of USGS volcano observatories existed, the USGS Volcano Hazards Program grew primarily out of two existing entities:  the...