Pinned
FWIW: official USGS volcano information will always come from accounts that have the handles @USGSVolcanoes, @alaska_avo, & @USGS and are linked from our web pages.
Visit usgs.gov/programs/VHP/c… for info.
USGS Volcanoes🌋
@USGSVolcanoes
Joined August 2016
- 🌋📡 Did you feel that earthquake? Want to check how much Kīlauea’s summit has repressurized or whether lava is flowing? From earthquakes to tiltmeters to webcams, the USGS Hawaiian Volcano Observatory’s real‑time data streams make it easy for anyone—from keiki to kūpuna—to
- What could possibly be so fascinating about this particular patch of dirt? If you're a volcanologist, the answer is...tephra! Made up of fragments of lava, volcanic ash, and pumice, tephra deposits like this one in the Mono Craters near Long Valley record the history of
- Hawaiian Volcano Observatory Information Statement Monday, August 17, 2026, 10:07 AM HST On Monday, August 17, 9:24 a.m. HST, a magnitude-4.1 earthquake occurred 10 mi (16 km) south-southeast of Hōnaunau-Nāpōʻopoʻo on the Island of Hawaiʻi at a depth of 14 mi (23 km) below sea
- Supereruptions are often imagined to be massive instantaneous events. New geological evidence from Yellowstone, however, shows that these eruptions are more complex and might involve numerous smaller pulses spread over years. But you have to march through a tangle of deadfall
