A minor earthquake magnitude 2.87 (ml/mb) strikes 8 kilometers (5 miles) from Helena Valley Northwest in Montana on Saturday. Event id: mb80100289. Ids that are associated to the earthquake: mb80100289. Exact location of event, depth 9.18 km, -112.0126667° West, 46.7965° North. Exact time and date of event in UTC/GMT: 04/10/15 / 2015-10-04 03:31:19 / October 4, 2015 @ 3:31 am. The temblor was reported at 21:31:19 / 9:31 pm (local time epicenter). The earthquake occurred at a depth of 9.18 km (6 miles).
Event epicenter was 23 km (14 miles) from Helena (c. 28 200 pop), 21 km (13 miles) from Helena Valley Southeast (c. 8 200 pop), 15 km (10 miles) from Helena Valley West Central (c. 7 900 pop). Nearest cities/city/towns to hypocenter/epicentrum was Helena, Helena Valley Southeast, Helena Valley West Central (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).
Each year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.
Did you feel it?
What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 8 km NNE of Helena Valley Northwest, Montana.
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