Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

If you’ve been following the ongoing episodic summit eruption of Kīlauea volcano on the Big Island, you might have seen the ...

FlightRadar24, a popular flight tracking website, posted a flight map on June 17, 2025, that revealed a disturbing skull-like ...

The popular hiking trail Koko Crater Stairs is closed after an 8-year-old boy was critically injured on July 5 when he fell about 20 feet down a shaft and into a bunker near the top of the Hawaii ...

Hawaiʻi Island attracts adventurous travelers and outdoor enthusiasts with its incredibly diverse terrain. Across the island, ...

You might even find yourself stumped by questions about your very own country, like this one: Can you figure out which U.S.

This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?