Japan quake so powerful it reached South Florida after 30 minutes

Published: March 19th, 2011 at 6:57 pm ET

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Japan’s quake rippled through South Florida’s groundwater, Sun Sentinel, March 19, 2011:

Japan’s earthquake was so powerful that it actually sent ripples through South Florida’s underground water supply.

Groundwater gauges used by the South Florida Water Management District recorded that unusual activity about 30 minutes after the 9.0 tremor rumbled across northeastern Japan on March 11. The water level fluctuated about three inches over a two-hour period, according to the recordings.

The ripples were recorded by gauges over a widespread area that included Everglades National Park, Palm Beach County, St. Lucie County and Highlands County. …

Read the report here.

Published: March 19th, 2011 at 6:57 pm ET

one comment

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1 comment to Japan quake so powerful it reached South Florida after 30 minutes

  • xdrfox

    What about the rumblings here yesterday ?? What caused that ??

    Ocean shaken by mysterious tremors in St. Augustine Florida?

    March 18, 2011 – ST. AUGUSTINE, Fla. — The ground shook briefly this morning, but nobody seems quite sure why. First Coast News has received several calls, as has the St. Johns County Sheriff’s Office, about two tremors felt this morning around 9:30 am. Sheriff’s deputies are among those who reported feeling the shaking, and the Associated Press reported the tremors were felt in Flagler County as well. A geologist at the University of Florida said nothing showed up on any earthquake detecting equipment. The cause of the shaking is speculation at this point, but the sheriff’s office said the sensation was stronger near the ocean. No damage has been reported. –First Coast