Latest articles by Crystal Gammon
Seattle Fault Bigger Quake Threat Than Thought
A past quake on the fault ruptures a bigger area than thought and triggered landslides and tsunamis.
Faults Show Lake Tahoe's Shaky Past — and Future
Earthquake risk in region higher than previously thought.
Faults Show Lake Tahoe's Shaky Past and Future
Earthquake risk in region higher than previously thought.
Jellyfish Hunt Hurts Pacific Leatherback Turtles
Atlantic turtles can stop and eat, while Pacific turtles have to eat on the go.
Where the Ash from Iceland Volcano's Eruption Went
Different types of volcano particles went different places.
Underwater Volcano Erupts in Pulses
Seamount spewed enough material to fill 3,500 Olympic swimming pools.
Lucky Strike: Lightning Brings Seismic Surprise
A seismic detection picks up signal from nearby lightning strike.
Ships Could Provide Better Tsunami Warnings
Tsunami generated by 2010 Chile earthquake detected by ship's GPS.
From Ancient Sediment, a Clearer Climate Change Picture
Studying sediments from past climate will help with understanding future changes.
Space Radar Helps Solve Mystery of Sierra Nevada Age
Rate of mountain growth suggests they could have popped up in just 3 million years.
New Faults, and Earthquake Risks, Found in Washington
Faults found further north of previously known seismically active area.
New Maps Unlock Seafloor Secrets Off Oregon Coast
New ocean floor maps could improve understanding of tsunami threat.
Airborne Laser Helps Solve 1800 Earthquake Mystery
LiDAR technology detects fault that may have caused historic SoCal quake.
Swedish Stonehenge? Ancient Stone Structure Spurs Debate
The megalithic stone structure may have been used as an astronomical calendar.
Volcanoes' Plumbing Holds Clues to Eruptions
Magma chambers below volcanoes can swell and cause quakes that can foreshadow an eruption.
First Humans' African Home Gets New Birth Date
Parts of the rift, on the spot where humans evolved, is older than thought.
Earth's First Continents 'Oozed' From Crust
Instead of boiling up from the mantle, they may have formed closer to Earth's surface.
Ethiopia's Magnetic Stripes Hold Clues to Ocean Formation
Stripes are hallmarks of seafloor spreading but have now been found outside of the ocean.
When Will the Next 'Big One' Hit?
Earthquake science has advanced, but precise quakes can't be predicted.
Where Yellowstone's Hot Water Comes From
Two types of water fuel Yellowstone's geysers, hot springs and other hydrothermal features.
San Andreas Fault May Look Like a Propeller, Scientists Find
Fault isn't vertical after all.
