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We know from decades of observation that Yellowstone’s geyser basins are always changing, but what about thermal activity beneath the waters of...

In volcano-related cartography and geographic analyses, especially in Hawaii, there is perhaps nothing more important than having an accurate digital...

No significant changes at Kīlauea's summit water lake

Earthquake magnitudes may seem straightforward, but a lot goes into their calculation, and multiple methods can be used.  These methods must account...

The U.S. Geological Survey (USGS) has 5 volcano observatories tasked with monitoring low to high threat volcanoes throughout the United States. 

Of the three enormous explosive eruptions from Yellowstone in the past 2.1 million years, the earliest and largest was the one that gave rise to the...

This work, recently published in the scientific journal Nature Communications, discusses the events leading up to Kīlauea's 2018 lower East Rift Zone...

Famous for glowing red lava and billowing volcanic plumes, Halema‘uma‘u has long inspired poets, painters and photographers to find meaning in the...

Kīlauea summit water lake changes over the past year

The first step in mitigating volcanic risk and building community resilience to volcanic hazards is identifying what and who is in harm’s way.