Kīlauea has been erupting episodically within the summit caldera since Dec. 23, 2024. Its USGS Volcano Alert level is WATCH.

The United States holds landscapes of every kind—waterfalls, volcanoes, deserts, mountains, and coastlines. Some carry millions of years of geological history, others are alive with wildlife.

One of the most active volcanoes in the world is living up to its reputation as it gears up for another eruption. An eruption ...