When tens of thousands of earthquakes shook Santorini, the cause wasn’t just shifting tectonic plates—it was rising magma. Scientists tracked about 300 million cubic meters of molten rock pushing up ...

A massive 37-million-year-old underwater canyon reveals the fossil trace of an ancient Atlantic tectonic boundary.

Over the last 10 years or so, I’ve featured numerous articles about the Yellowstone supervolcano. We know that it is located ...

Scientists studying Kīlauea found that a major 2018 earthquake may have paused slow fault slip for nearly 60 years beneath the volcano.

There have been more than 6,000 minor tremors in the last 21 days ...

It’s been a jiggly week in the east San Francisco Bay Area. The USGS recorded 120 earthquakes all centered within a few miles of the city of San Ramon. Most were far too small to be felt, but six made ...

A volcano is stirring after 40 years, sparking fears of an eruption. Scientists said they are closely monitoring it.

Earth's ocean floor is not just steadily pulling apart; new research reveals rapid, dynamic cracking along mid-ocean ridges.

These cliffs are always thrilling, but today is a riot of sound and damp air as we take the coastal path ...

The bulge first appeared in 1996 and has now returned, but Yellowstone Volcano Observatory says there's no cause for alarm.

The leader of the local government in Tenerife tried to quash concerns over an upcoming volcanic eruption on the popular holiday island. Earlier this week, an unusual seismic event was recorded ...

Remarkably, the shorelines of Africa and South America reflect each other almost perfectly, an extraordinary discovery that ignited a wave of scientific inquiry. Long ago, these continents were joined ...