A loud deep vibration heard above in sky sounding like a train going overhead but never passed by.
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Off
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Vacaville
USA
15 minutes
15 minutes
38.36
-121.97
unknown
CA
Occurred : 2/9/2019 22:00 (Entered as : 02/09/19 22:00) Reported: 2/17/2019 4:51:14 PM 16:51 Posted: 2/22/2019 Location: Vacaville, CA Shape: Unknown Duration: 15 minutes
A loud deep vibration heard above in sky sounding like a train going overhead but never passed by.