hazards

Visualization of earthquake risk in California

In 2015. the Working Group on California Earthquake Probabilities - a collaboration between the U.S. Geological Survey, the California Geological Survey, and the Southern California Earthquake Center (SCEC) - released the Third California Earthquake Rupture Forecast (UCERF3). A visualization was produced to accompany this release, showing the progress of fault modelling in California and the updated earthquake likelihood map.

EARTH: Where Fire Freezes: All Eyes, Ears and Instruments on Iceland's Volatile Volcanoes

Iceland is located in the North Atlantic straddling a mid-ocean ridge and possibly riding over a Hawaiian-style hot spot. This makes it is a prime geological environment for volcanoes: Iceland has more than 100 volcanoes, 33 of which are active. Iceland is also home to examples of every type of volcano on Earth, each with its own eruptive pattern. Thus, the island nation presents a special challenge to volcanologists as well as serving as an ideal natural laboratory for studying how volcanic processes evolve.

Interactive map of earthquakes in Oklahoma

The Oklahoma Office of the Secretary of Energy and Environment, in collaboration with the Oklahoma Geological Survey and the Oklahoma Corporation Commission, has developed an interactive map of earthquakes in Oklahoma. This map provides information on the epicenters and relative magnitudes of recent and historical earthquakes that have had a magnitude greater than 3.0.  Users can view earthquakes from the past 7 days, year to date, individual years back to 2010, and historical data back to 1980.

EARTH: Slipping Point - Snow Scientists Dig In to Decipher Avalanche Triggers

As skiers hit the slopes this winter, EARTH Magazine explores the science of how to keep them and other winter explorers safe. Every year, hundreds of people are killed by avalanches. Understanding the science of the frozen environment is only part of this story; communicating the risk is a field as dynamic as the weather systems and terrains that foster avalanches.

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