"I-felt-an-earthquake" user reports for:

M 4.0 / - 17km S of Whitehall, Montana / Sat, 03 Sep 2016 23:44 GMT
(local time at epicenter: 2016-09-03 17:44:13 -06:00)
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The perceived shaking intensity is given according to the MMI (modified Mercalli) scale.
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