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News
New Kīlauea summit eruption tephra map
1+ week, 2+ day ago (111+ words) usgs.gov The USGS Hawaiian Volcano Observatory produced a new map following a helicopter LiDAR survey of the ongoing Kīlauea summit tephra deposit and crater floor shortly after the end of lava fountaining episode 52 the morning of July 29, 2026. This map…...
Land Treatment Exploration Tool 3.1 Launch
1+ week, 2+ day ago (149+ words) The U.S. Geological Survey and Bureau of Land Management launched an updated version of the Land Treatment Exploration Tool. The Land Treatment Exploration Tool quickly summarizes a vast amount of information in an easily digestible format and bridges the gap between…...
USGS and Nebraska Release First-Ever Statewide Map of Surface Geology
1+ week, 5+ day ago (186+ words) RESTON, Va. — The U.S. Geological Survey and the University of Nebraska-Lincoln have released the first statewide map depicting the geology at Nebraska's land surface, closing a long-standing gap in the nation's geologic map coverage. Until now, Nebraska had no modern…...
Bat_Vaccination_Yuma | U.S. Geological Survey
2+ week, 6+ day ago (13+ words) Bat_Vaccination_Yuma usgs.gov Official websites use.gov Secure.gov websites use HTTPS...
Castle Bravo nuclear test
2+ week, 12+ hour ago (18+ words) usgs.gov Official websites use.gov Secure.gov websites use HTTPS Castle Bravo nuclear test...
August 25, 2026 — Kīlauea summit eruption episode 54
2+ week, 4+ day ago (126+ words) The landscape at the summit of Kīlauea has changed during the course of the episodic lava fountaining eruption that began in December 2024. This photograph, taken during episode 54 on August 25, 2026, shows the impressive hill of tephra on the west rim of…...
August 25, 2026 — Measuring gas emissions during episode 54 at Kīlauea summit
2+ week, 4+ day ago (57+ words) usgs.gov Official websites use.gov Secure.gov websites use HTTPS August 25, 2026 — Measuring gas emissions during episode 54 at Kīlauea summit Episode 54 of lava fountaining in Halemaʻumaʻu crater at the summit of Kīlauea began at 10:30 a.m. HST on August 25, 2026....
Flooding on Interstate 70 in Ohio, August 21, 2026
3+ week, 1+ day ago (58+ words) usgs.gov Official websites use.gov Secure.gov websites use HTTPS Flooding on Interstate 70 in Ohio, August 21, 2026 USGS field crews monitor stream gages and flood impact on closed Interstate 70 in Ohio. I-70 was closed due to Buckeye Lake spilling over into…...
Help Shape the Future of USGS Topographic Mapping
3+ week, 1+ day ago (37+ words) usgs.gov topoBuilder is driven by user feedback, and now it’s easier than ever to have your voice heard with the newly released survey feature accessible in the topoBuilder application....
Decades of satellite imagery show how groins reshape California beaches | U.S. Geological Survey
4+ week, 2+ day ago (609+ words) Long-term satellite observations show how human-built coastal structures influence the movement and buildup of sand along three Southern California beaches: Ventura, Santa Monica and Newport Beach. For decades, coastal communities have used groins—structures built from rock or concrete that…...