Hot spots pinpointed as earthquake trigger points: Small droplets of friction-generated melts can lead to 'megaquakes'

Scientists have come a step closer to deciphering some of the basic mysteries and mechanisms behind earthquakes and how average-sized earthquakes may evolve into massive earthquakes. Scientists describe new information gleaned from laboratory experiments mimicking earthquake processes. The researchers discovered how fault zones weaken in select locations shortly after a fault reaches an earthquake tipping point.

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