Which earthquake had the largest documented surface rupture on land?
Quick Answer
The 2002 Denali earthquake in Alaska produced one of the longest documented surface ruptures in a continental setting. The rupture extended for about 340 kilometers.
The Full Story
The 2002 Denali earthquake in Alaska is notable for creating an exceptionally long surface rupture along the fault. The rupture length was about 340 kilometers, making it one of the longest clearly documented earthquake surface breaks on land. Although its magnitude was lower than the very largest global earthquakes, it provided important scientific data. The event showed how major fault movement can be measured directly across a vast landscape.
Key Facts
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"A quake that tore the ground for hundreds of kilometers"
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