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

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 ...

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

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

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

Volcanoes can erupt suddenly, but satellite technology now detects hidden ground shifts and heat changes. This helps scientists monitor remote volcanoes where ground sensors are scarce. These advanced ...

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.

Volcanic crater lakes offer vital early warnings of eruptions. Scientists monitor subtle shifts in lake temperature, gas composition, and water chemistry. These changes reflect rising magma deep ...

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 ...

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

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