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Real-Time Quake Detection
Using ultrasound imaging,
seismologists can now
determine the epicenter and
magnitude of an earthquake
quake within 10 to 20
minutes, precisely imaging
which fault ruptured and
... > full story
Big Quakes Trigger Small Quakes
Seismologists found that
L-waves, slow-moving seismic
surface waves, from larger
earthquakes can trigger
smaller earthquakes as they
travel through the ground.
Different from aftershocks
... > full story
Earthquake Test: Building Better Homes
To develop designs that can
survive extreme seismic
events, and to devise
retrofit solutions for older
homes, civil engineers who
specialize in structural
design test realistic models
... > full story
Forecasting Aftershocks
With a new online map,
scientists can better
forecast when and where
aftershocks may happen. The
maps calculate information
based on historical
earthquake patterns and
... > full story
Browse Science Videos
1 to 10 of 96 videos
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Seismologists Build Global Listening Posts to Detect Quakes
In the Global Seismographic Network, 138 networked stations can pick up quake movement and send instant information to computers around the world. The network has passed its first real-world test: ... > more -
Geophysicists Discover Slippery Secret Of Weaker Underwater Earthquakes
Seismologists investigating undersea earthquakes have found that molten rock lubricates faults. This decreases the amount of friction between sides of the fault and decreases the intensity of ... > more -
Exhibit Makes Big One's Risks Tangible
At San Francisco's Exploratorium, a scaled-down model of the city made with Jell-O helps visitors visualize how the city would shake during a major earthquake. In another display, a bowl filled with ... > more -
Engineers Design Nails To Better Resist Natural Disasters
Geometry and mathematical calculations were used to design a next-generation nail for building homes that are twice as resistant to high winds and nearly 50 percent more resistant to earthquake ... > more -
Architectural Engineers Design Homes To Withstand Earthquakes
Engineers have designed windows and walls that will not break when shaken by the intense motion caused by earthquakes. By installing glass panels that do not touch the corners of the frame, ... > more -
Seismologists Devise New Technique To Measure Pollution
Seismologists have tested a new way to measure the concentration of the dangerous groundwater contaminant Trichloroethylene (TCE). Ultrasonic waves called P-waves are sent through ground containing ... > more -
Civil Engineers Develop Inexpensive System to Assess Damage after Natural Disasters
A new wireless system assesses injury in a structure after it is hit by a natural disaster such as a hurricane. When a building shakes, sensors records the frequency of the movement. This data is ... > more -
Ecologists Deploy Wireless Sensors for Early Detection of Wildfires
New fire-sensing devices can spot a fire in its earliest stages, up to six miles away, and they can relay the information to emergency responders through a computer network and even automatically ... > more -
Using Radar, Meteorologists See Increase in Hurricane-Made Tornadoes
Tornadoes can form when hurricanes make landfall, as their winds at ground level slow down, while the winds near the top keep their momentum. Data from 2004 show this tendency seems to have ... > more -
Disaster Experts Map Risk Across the Nation
Disaster experts including meteorologists and seismologists have identified the types of catastrophic events the United States is most likely to face, quantifying the risk of earthquakes, urban ... > more
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