The known sequence of Maunaloa’s 1868 events began with an eruptive phase beginning at about dawn March 27 at the summit, lasting a couple of hours. Seismicity escalated thereafter, with Kaʻū ...

Ray Isle explores the distinctive character of some of California’s best wines at stops along a destructive fault line.

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the Ka‘u district. However, this may not have been the ...

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift ...

An ocean may in time develop from a rift in the Afar Triangle, in the Horn of Africa which will be close to America.

Lava fountaining within Kilauea’s summit caldera has stopped after just after 7 hours today. The Hawaiian Volcano Observatory ...

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open ...

Deep within Africa’s Great Rift Valley, Virunga National Park is home to some of the continent’s most active volcanoes, ...

By the end of the day, about 7 p.m. Pacific Standard Time, data from 16 crystals was collected and analyzed. The data, which ...

It’s a two-fer Tuesday at Hawai‘i Volcanoes National Park as Episode 13 of the ongoing summit eruption of Kīlauea on the Big ...

Kilauea’s 13th episode began early this morning at 2:36 a.m., according to Hawaiian Volcano Observatory scientists, bringing ...

VIDEO COURTESY USGS A livestream video from the Halema ʻuma ʻu Crater from the northwest rim of the caldera looking east. COURTESY USGS Lava fountains of 400 to 500 feet high shoot up within the west ...