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This then becomes an earthquake once triggered by a nuclear explosion in the epicenter or a vast electric pulse. [2] While a nuclear explosion can trigger an earthquake within a few tens of kilometers, earthquakes induced by explosions have been much smaller than the explosion. [3]
The column of water in a large and deep artificial lake alters in-situ stress along an existing fault or fracture. In these reservoirs, the weight of the water column can significantly change the stress on an underlying fault or fracture by increasing the total stress through direct loading, or decreasing the effective stress through the increased pore water pressure.
Fifty "primary" seismic stations send data continuously to the International Data Center, along with 120 "auxiliary" stations which send data on request. The resulting data is used to locate the epicentre, and distinguish between the seismic signatures of an underground nuclear explosion and an earthquake.
The earthquake bomb, ... The resulting shock wave from the explosion would then produce force equivalent to that of a 3.6 magnitude earthquake, ...
An underground explosion concentrates this pressure wave, and a localized earthquake event is more probable. The first and fastest wave, equivalent to a normal earthquake's P wave , can inform the location of the test; [ 23 ] the S wave and the Rayleigh wave follow.
Earthquakes occur when two plates suddenly slip past each other, setting off seismic waves that cause the planet's surface to shake, according to the USGS. What is an earthquake, scientifically ...
With a magnitude of around 1, the seismic signal detected was significantly weaker than minor earthquakes or the biggest of the explosions that last year ripped open the larger Nord Stream gas ...
An earthquake is the shaking of the surface of Earth resulting from a sudden release of energy in the lithosphere that creates seismic waves. Earthquakes may also be referred to as quakes, tremors, or temblors. The word tremor is also used for non-earthquake seismic rumbling.