But new satellite images offer a dramatic and instructive view of the immense power of the magnitude 7.1 quake, showing how California’s biggest earthquake in nearly two decades caused the ground to break.
Some of the most widely circulated before-and-after GIFs that have been receiving attention by California earthquake scientists were created using imagery from Google Earth and DigitalGlobe by an earthquake geologist based in Greece,In a large section of the fault, images show how land on one side of the fault moved between 3 and 13 feet from the other side, Valkaniotis said.
California isn’t being just cleanly carved along the San Andreas fault. There’s a whole array of faults slicing up the state in ribbons, and the fault that ruptured in the Ridgecrest quake on July 5 was doing its job of moving the southwestern side of land from the fault toward Alaska. Ground rupture was observed after the magnitude 6 Napa earthquake in 2014, but the ground displacements were much smaller, topping out at a maximum of 1½ feet, owing to the far less powerful nature of that temblor. The July 5 magnitude 7.1 Ridgecrest quake was 45 times more powerful than the Napa quake.
The satellite images from the Ridgecrest quake match up with evidence of broken ground observed on foot. Olson has taken other photos on the ground that have similarly been dramatic. One is a two-lane road that crosses the fault; photos show the road has split and shifted 8 feet out of alignment.The ground is displaced by 8 feet along the fault that ruptured in the magnitude 7.1 Ridgecrest earthquake of July 5, 2019.
“An earthquake is not only shaking and what the shaking does to buildings,” he said. “When you get to the level of the fault breaking the surface, it’s a smaller area affected -- but the things affected can be critical for the community.”
Cause any climate change?
JoshMankiewicz
Cool!
SotisValkan Fun stuff (scientifically speaking) Ron. Thank you!!!
SotisValkan It’s like an earth wedgie
Jeez, talk about flogging a dead horse! Give it a rest already
Wake up Dems ! God is comeing soon
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