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Hurricanes trigger earthquake: Three hurricanes churning in the Atlantic produce M8.2 earthquake on Pacific coast of Mexico
Strange Sounds
9-8-17
Can hurricanes produce earthquakes?
Since a few days, there are several hurricanes sweeping in the Atlantic and yesterday, a M8.2 earthquake on Pacific coast of Mexico. Are these events related?
Scientists found strong temporal relationship between the two natural hazards, where large earthquakes occurred within four years after a very wet tropical cyclone season.
Very wet rain events may be the trigger. The heavy rain induces thousands of landslides and severe erosion, which removes ground material from the Earth’s surface, releasing the stress load and encouraging movement along faults. The decrease in pressure caused by the storm’s travel may also reduce forces on the fault enough to allow it to slip.
This following picture is a comparison bewteen the hurricane season in September 2010 and September 2017. It is just stunning and totally weird. They look exactly the same:
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