News

This year, two days before America’s Independence Day fireworks celebrations began, a remarkably different “rocket’s red glare” was seen at Vandenberg...

A new lava shield is being built on Pu‘u ‘Ō‘ō

For the past year, the Kahauale‘a 2 lava flow was erupting from a vent high on the northeast crater rim of Pu‘u ‘Ō‘ō, on Kīlauea's East Rift Zone...

CalVO geologist Mae Marcaida examines thin layers of volcanic ash sandwiched between thick beds of sediment deposited by ancestral Mono Lake in...

June 27 breakout building a lava shield near Pu‘u ‘Ō‘ō; Kahauale‘a 2 flow is dead

New breakout on the northeast flank of Pu‘u ‘Ō‘ō

A swarm of small earthquakes (magnitudes less than 2) occurred at a depth of 6-7 km (about 4 miles) beneath Highway 203 in Mammoth Lakes, California...

A few weeks ago, a Volcano Watch article recounted the advance of Mauna Loa lavas on the town of Hilo in 1855.

For the past several years, the amount of lava erupting from Kīlauea's East Rift Zone has been well below the long-term output rate established...

The Kahauale‘a 2 flow front