What's Happening Under Gibraltar? By Crystal Gammon last updated 15 September 22 Small subduction zone may be behind Great Lisbon Earthquake.
Air Guns Give Glimpse Inside a Subduction Zone By Crystal Gammon last updated 15 September 22 Seismic waves show what happens when one tectonic plate dives beneath another.
Imported Tortoises Could Replace Madagascar's Extinct Ones By Crystal Gammon published 28 June 13 Tortoises from a nearby island are genetically and morphologically similar.
Mexican Monolith Is World's Tallest Freestanding Rock By Crystal Gammon published 8 May 13 Peña de Bernal Natural Monument is a UNESCO-recognized site.
Helium Gas Heralded Underwater Volcano Eruption By Crystal Gammon published 30 April 13 El Hierro volcano emitted helium with distinct signatures as it rumbled to life.
Earth Is 'Lazy' Along Some Earthquake Faults By Crystal Gammon published 18 April 13 Earth's crust takes the path of least resistance when a fault bends.
Appalachians Get a Face-Lift From Earth's Mantle By Crystal Gammon published 7 February 13 Southern reaches not as old, worn-down as thought.
Aftershocks May Portend Major Philippine Earthquake By Crystal Gammon published 1 February 13 Subduction zone has been eerily quiet.
How Thick Is the Crust Beneath Antarctica? By Crystal Gammon published 23 January 13 Seismic data gives new estimates for curst of least-known continent.
3D Imaging Sizes Up Volcanic Island Landslides By Crystal Gammon published 15 January 13 Massive volcanic landslides can trigger catastrophic tsunamis.
Expeditions to Earth's Hostile Corners in 2013 By Crystal Gammon published 31 December 12 Adventurers prepare to hike, sail and ski.
Russian Far East, Once Closed-Off, Poses Seismic Hazard By Crystal Gammon published 20 December 12 Earthquake and volcanoes of region once hidden behind the iron curtain.
New 3D Maps Show Walruses' Icy World By Crystal Gammon published 19 December 12 Walruses need ice that isn't too big or too small.
Ancient Earthquake Foreshadowed 2011 Japan Disaster By Crystal Gammon published 13 December 12 Precedent found for 2011 quake and tsunami.
Microbe Masses Under Seafloor Are Downsized By Crystal Gammon published 30 November 12 Number revised downward, but still a swarm of microbes down there.
Some Himalayan Glaciers Doomed to Shrink By Crystal Gammon published 29 November 12 Even with steady temperatures, these glaciers will retreat.
Gold Rises With Molten Rock By Crystal Gammon published 26 November 12 Accounts for why some spots have higher concentrations of the rare metal.
Satellites Track Post-Sandy Pollutants By Crystal Gammon published 16 November 12 Sewage and sediment were washed to sea by Sandy's surge.
Why Hurricane Sandy Hit Staten Island So Hard By Crystal Gammon published 7 November 12 Geography dealt a tough hand to the NYC borough.
Will Sandy Change the Climate Change Conversation? By Crystal Gammon published 1 November 12 Some see Sandy as an opportunity to act on climate change.
Leaks Found in Earth's Protective Shield By Crystal Gammon published 31 October 12 Phenomenon in magnetosphere can act to let solar particles in.
Italy’s Shaky Past Hidden in Ancient Records By Crystal Gammon published 13 August 12 A 14th century eruption stopped a local war.
Italy's Shaky Past Hidden in Ancient Records By Crystal Gammon published 13 August 12 A 14th century eruption stopped a local war.
World's Northernmost Coral Reef Discovered in Japan By Crystal Gammon published 30 July 12 This reef grows in colder waters than most do.
Earthquakes Reveal Magma Plumbing Beneath Volcanoes By Crystal Gammon published 20 July 12 These volcanoes set off the 20th century's largest eruption.
