Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

Over the past century, technological advancements have vastly improved volcano monitoring. One key innovation was the ...

A fissure on the northwestern crater wall of Makauopuhi Crater on the East Rift Zone of Kīlauea sent lava cascading into the ...

HVO continues to closely monitor Kilauea and Mauna Loa. Please visit HVO’s website for past Volcano Watch articles, Kilauea and Mauna Loa updates, volcano photos, maps, recent earthquake information, ...

Please visit HVO’s website for past Volcano Watch articles, Kilauea and Mauna Loa updates, volcano photos, maps, recent earthquake information, and more. Email questions to [email protected]. Volcano ...

One such place, the Hawai'i Volcanoes National Park, spreads through much of the southeast. At some point during your trip, you're likely to end up here. This park is where the Kilauea volcano is ...

Visit the observatory’s website for past “Volcano Watch” articles, Kīlauea and Maunaloa updates, volcano photos, maps, recent earthquake information and more. Email questions to askHVO@usgs ...

Visit the observatory’s website for past “Volcano Watch” articles, Kīlauea and Mauna Loa updates, volcano photos, maps, recent earthquake information and more.

The first is the result of the last presidential election, and the map it created ... tetchy geology is also rewarded.

From mountain ranges, geysers, and fields of wildflowers to diverse wildlife, desert landscapes, and swamp lands, the ...