- Hawaiʻi Volcanoes National Park (132)
- Lassen Volcanic National Park (62)
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Showing 437 results for Volcanoes ...
Puʻuloa Petroglyphs
Nāhuku Lava Tube
Scenic Drive Stop 3
- Type: Article
When the howling started in predawn darkness, natural sound recordist Jacob Job signaled to his research assistant to stop. Wolves. Cold and crouched in snow in the remote backcountry of the park with microphones and recording gear to the ready, the Colorado State University (CSU) scientists waited and listened. Silence. Then … the stealthy sound of crunching footsteps approaching.
Capulin Volcano National Monument
Saddle Rock Trail
- Type: Article
Read the abstract and get the link to a published paper on a model to predict mercury risk park waterbodies: Kotalik, C.J. et al. 2025. Ecosystem drivers of freshwater mercury bioaccumulation are context-dependent: insights from continental-scale modeling. Environmental Science & Technology. DOI: 10.1021/acs.est.4c07280
Learning from Fire at Lassen
- Type: Article
Wildfires have been burning more land, more frequently, and at higher severity levels since the mid-1980s in the western US. Some forested areas may convert to non-forest as a result. Though patchy openings in forests are ecologically valuable, extensive loss of forest means an overall loss of habitat for forest dwelling wildlife and other consequences. Learn about two recently published studies of fire effects on forests at Lassen Volcanic National Park.
- Type: Article
In this issue of the Klamath Kaleidoscope, we share updates about white-nose syndrome in bats and how we are addressing it, learning from fire at Lassen Volcanic National Park, new network staff and other new faces offering valuable support to network parks, and we highlight where bat intern, Kira Ware has landed in her career. Scroll down for updates from vital sign monitoring this past summer and recent outreach and publications.
San Antonio Creek
- Type: Place
Below the north rim of the volcanic caldera and about 12 miles from the Entrance Station, San Antonio Creek meanders through the lush mountain meadows of Valle San Antonio and is home to thousands of non-native brown trout. Elk, bear, coyote, and mountain bluebirds are often spotted along the banks of the creek.
Series: The Midden - Great Basin National Park: Vol. 24, No. 2, Winter 2024
Series: The Midden - Great Basin National Park: Vol. 24, No. 2, Winter 2024
- Type: Article
"Valles Caldera - Setting the Scene" by Melissa Fu
- Type: Article
What you have to understand is that we’re sitting in the middle of a volcano. Not an active one, mind you; we won’t be fleeing ash clouds and lava flow without warning. But not an extinct one, either. So don’t get too complacent. This volcano is dormant. It’s only sleeping. Activity is still very much possible.
Mud Volcano Trailhead
- Type: Place
The Mud Volcano area has many mudpots and hillsides strewn with trees cooked by steam. The hydrothermal features here are some of the most acidic in the park. Mud Volcano is near the greatest uplift and sinking of the Yellowstone Caldera floor. Many faults converge here and earthquakes are common.Approximately 0.6 mile (1 km) loop trail. The clockwise route is less steep than the counterclockwise route. Start at the south trailhead for a more gradual incline up the hillside.
Mud Volcano
A Fertile Landscape: Unearthing Agricultural Archeology at Hawaiʻi Volcanoes National Park
- Type: Article
Archeologists at the University of Hawai’i Mānoa and National Park Service staff at Hawai’i Volcanoes National Park want to know more about the stone walls - kuaiwi - in the Kaʻū Field System. Why did ancient Hawaiians build them and what can they teach modern farmers about cultivating a more sustainable future?
The Land Tells the Story
Norris Geyser Basin Trailhead
- Type: Place
Limited parking, especially 10 am-6 pm. Park at your own risk. When Steamboat Geyser erupts, dissolved minerals in the spray can damage glass and paint on your vehicle.Norris Geyser Basin is one of the hottest and most acidic of Yellowstone's hydrothermal areas. It is outside of the most recent Yellowstone caldera, but inside the first and largest caldera. It sits on the intersection of three major faults and is a very active earthquake area. Constant ChangeEach year, new hot