#United States Geological Survey
Volcano Watch: What’s shaking beneath Mauna Loa?
It’s hard to believe that nearly one year has passed since Mauna Loa last erupted. But a small increase in seismic activity in late October 2023 reminds us that the Big Island volcano remains active.
Kīlauea Three Years Later: Learning From the Past, Preparing for the Future
Scientists are continually conducting geologic investigations and real-time monitoring of volcanoes as they work to better forecast volcanic eruptions and answer important questions as to when an eruption will occur, how long it will last when it does occur and what can be expected as an eruption begins and unfolds.
Volcano Watch: Kīlauea’s Other Rift Zone —Young Activity in the Southwest Rift Zone
The newly enlarged Halemaʻumaʻu Crater is currently filling with lava from an eruption that began in December of 2020. The frequent summit and East Rift Zone eruptions often seem to overshadow Kīlauea’s Southwest Rift Zone, which extends southwest from Halemaʻumaʻu to the coast about 5 km (3 mi) southeast of Pāhala.