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 ...

Tiltmeters are a crucial component of the volcanic monitoring network in Hawaii. By detecting subtle changes in ground ...

The U.S. Geological Survey says it has detected an increase seismic activity around Kamaʻehuakanaloa. The underwater volcano ...

The volcano last erupted in 1984, when lava flow nearly threatened Hilo. Mauna Loa’s eruption has created a unique phenomenon in the form of dual Big Island eruptions, from both Mauna Loa and Kilauea, ...

COURTESY USGS This map shows the location of a 4.8 magnitude earthquake on Hawaii island early Tuesday morning. A magnitude 4.8 earthquake shook the southeastern flank of Mauna Loa volcano on Hawaii ...

COURTESY USGS This map shows the location of a 4.8 magnitude earthquake on Hawaii island early Tuesday morning. A magnitude 4.8 earthquake shook the southeastern flank of Mauna Loa volcano on ...

and two of the world's most active volcanoes (Kilauea and Mauna Loa). The best way to see these jaw-dropping sights is with a guided tour, especially if you want to visit more than one island.

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 ...

He explored the volcanoes Mauna Kea, Mauna Loa and Kilauea, and also spent time on O’ahu. Foster Botanical Garden is one of several botanical gardens in Honolulu, including Lili’uokalani ...

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, ...