The two have alerts issued, one more severe than the other.
Coagulated volcanic spatter has created a 200 feet cone that should last for thousands of years.
When the Pine Island Glacier melts, it could trigger even more ice to melt and raise global sea levels.
Several new fissures are oozing lava—and there was another explosion at Kilauea's summit.
Volcanic ash continued to sputter from a volcano on Hawaii's Big Island, raising health concerns about exposure to the toxic plumes.
The lava coming from Kilauea spread to cover huge areas of land and filled an entire bay.
Images captured from a helicopter show seaside homes engulfed in flames as clouds of white steam and hydrochloric acid fumes billow from the water.
Humanitarian visas were provided quickly to save lives.
Around two million people have been affected by the volcano, and an as yet unknown number of people are missing.
Dramatic footage shows a woman emerging from the ashes of Guatemala's Volcán de Fuego and saying that while she managed to escape, her entire family was likely wiped out by a rogue lava flow.
A lahar, which is essentially a mudflow filled with rock particles, can reach speeds as high as 120 miles per hour.
"There are injured, burned and dead people."
Going to Hawaii is kind of like going to Mars—and a lot cheaper.
A tide of molten rock has turned residential streets in Hawaii into a volcanic wasteland as residents flee a surge of lava heading towards them.
The state's emergency management administrator said the well field "is as safe as we can get."
The first report of an eruption-related injury from the active Kilauea volcano in Hawaii occurred Saturday after a homeowner's lower leg was "shattered" by a "lava bomb."
"Laze" is a combination of toxic hydrochloric acid fumes, steam and fine volcanic glass-like particles, which is formed when hot lava hits the ocean.