geology

Continental rifting is reshaping East Africa and will eventually separate the region from the rest of the continent, directly affecting countries where the rift is active and ne...

Kīlauea is one of the world’s most closely monitored volcanoes. Evacuations are driven by measurable thresholds—such as lava flow advancement, gas hazards, and ground defor...

News about a volcano can spread quickly and often with minimal context. A headline may say an eruption has begun, but it rarely explains how that event is monitored, what hazard...

The age of rolling stones is set by when the rock cooled through its closure temperature, not by when it began moving. Scientists measure isotopic ratios in minerals to date tha...

Earthquakes are a defining feature of life in California, driven by the state’s location along the Pacific and North American tectonic plate boundaries. These seismic events v...

An Axial Seamount eruption refers to a magmatic and tectonic event at this highly monitored submarine volcano located about 480 km west of Cannon Beach, Oregon, on the Juan de F...

Volcano rescue encompasses emergency response, evacuation, and rescue operations designed to protect lives when a volcano shows heightened unrest or erupts. This evergreen expla...

Scientists have identified a resilient magma cap beneath Yellowstone that is slowing potential volcanic eruption. This feature acts as a structural and pressure-limiting layer w...

Mauna Loa, the world’s largest active volcano by volume, last erupted in November 2022. The event marked the volcano’s first eruption in nearly four decades and provided sci...

Rock cast refers to the natural shapes, textures, and ages of rock formations that develop through geological processes, often described in terms of cast-like structures formed...

Rocks of the sea refer to the diverse hard materials found on and beneath the ocean floor, as well as the rocky frameworks of coasts and shorelines. These rocks enter marine set...

Las Palmas volcano is a name used for several volcanic structures across different regions, most notably in the Canary Islands and in Central America. This article provides an e...

No, California will not fall into the ocean. The state sits on the Pacific Plate, which moves northwest relative to the North American Plate, but this motion is horizontal along...

As of this writing, a volcano is actively erupting today. This live update summarizes verified observations, ongoing monitoring, and recommended precautions.

Arkansas is one of the few places in the United States where diamonds occur in volcanic rock and are accessible to the public. The unique geologic history that concentrated diam...

A forest sinkhole is a depression or collapsed cavity in the ground that forms beneath a forested area, often hidden by leaves and understory until noticeable subsidence or tree...

People often ask whether there will be another Yellowstone eruption because the park’s supervolcano is both powerful and mysterious. This overview explains how Yellowstone’s...

The region that is now Yellowstone National Park has a deep history shaped by tectonic movements and volcanic processes long before the modern caldera formed. Understanding the...

Whether Yellowstone will return is better understood as whether the Yellowstone volcanic system will become active again, and the answer depends on how one defines the question...

Yellowstone offshoots refer to subsidiary volcanic or tectonic features that branch from the primary Yellowstone hotspot track, typically smaller volcanic centers, fissures, or...