M2.1 - 38km ENE of Helena Valley Southeast, Montana (BETA) 2014-07-17 07:05:36 UTC


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Location and Magnitude contributed by: Montana Bureau of Mines and Geology


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 2.1 mc ± 0.50
Location 46.685°N, 111.427°W ± 1.0 km
Depth 11.0 km ± 1.2 km
Number of Stations Used 29
Number of Phases Used 29
Minimum Distance 31.0 km (0.28°)
Travel Time Residual 0.25 sec
Azimuthal Gap 104°
Review Status AUTOMATIC
Event ID mb14122940
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions