Mauna Loa is now quiet, so it’s a good opportunity to remember the 1950 Southwest Rift Zone eruption — the volcano’s most ...

Lava is once again shooting skyward at Kīlauea's summit in Hawaiʻi, as Episode 27 of explosive fountaining was captured by ...

HPR contributor Betsy Brown spoke with a USGS geologist during the last eruptive episode to find out what’s causing this ...