Sentences with phrase «trigger large quakes»

That, says Parsons, means that even megaquakes shouldn't trigger large quakes more than a couple of thousand kilometres away.

Not exact matches

The new findings show that large early aftershocks can also be triggered by seismic wave transients, where the locations of the main quake and the aftershock may not be directly connected.

The trouble is that large earthquakes generate tectonic waves that ripple around the world's surface and routinely trigger smaller quakes on distant faults, so increased activity in China is hardly a surprise.

After reviewing a 30 - year catalogue of events, they found no significant evidence that large quakes regularly trigger tectonic activity 1000 kilometres or more away.

Although there is evidence that the ground motions induced by major temblors trigger small quakes thousands of kilometres away, there's no sign that such triggering occurs for large quakes, he adds.

Their interest is more than purely academic, because triggered tremors - if that is what they are - may warn that a really large quake is on the way in the same place.

That process of subduction triggers the largest earthquakes in the world, such as the magnitude - 9.5 Chilean quake in 1960 and the magnitude - 9.1 Sumatran quake in 2004.

The largest quake detected occurred on April 16 in Ecuador: a 7.8 magnitude quake that triggered two phones, 170 and 200 kilometers from the epicenter.

Earthquakes can genuinely be triggered by large scale melting, though; it seems that Norway had quakes up to magnitude 7 during the last deglaciation:

Earthquakes can genuinely be triggered by large scale melting, though; it seems that Norway had quakes up to magnitude 7 during the last deglaciation: