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Martin Chapman, a professor of geophysics at Virginia Tech, said Lake Lanier sits near what is known as the Brevard Zone, a major fault system that was active hundreds of millions of years ago ...
The ground shook and buildings trembled as an earthquake rocked North Jersey Friday morning. Here's what residents saw and felt in their communities. Ground shaking in NJ sends residents to social ...
A rare strong earthquake struck near Midland, Texas, on Monday evening, triggering more than 1,000 reports of shaking, the U.S. Geological Survey reported. Magnitude-5.1 earthquake strikes near ...
Surface rupture is opposed by buried rupture, where there is no displacement at ground level. This is a major risk to any structure that is built across a fault zone that may be active, in addition to any risk from ground shaking. [1] Surface rupture entails vertical or horizontal movement, on either side of a ruptured fault.
The ground-shaking is measured by ground acceleration. Specific local geological, geomorphological, and geostructural features can induce high levels of shaking on the ground surface even from low-intensity earthquakes. This effect is called site or local amplification.
According to the USGS, "ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes. These maps are used by federal, state, and local organizations, both public and private, for post-earthquake response and recovery, public and scientific information, as well as for preparedness exercises and ...
Thousands of Taylor Swift fans jumping and dancing in sync have caused seismic activity in other cities. The same could happen in Indianapolis.
Seismic intensity scales categorize the intensity or severity of ground shaking (quaking) at a given location, such as resulting from an earthquake.They are distinguished from seismic magnitude scales, which measure the magnitude or overall strength of an earthquake, which may, or perhaps may not, cause perceptible shaking.