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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.39 mag has occurred near Helena Valley Northwest in Montana

Earthquake location 46.7961655S, -112.0149994WA minor earthquake magnitude 3.39 (ml/mb) has struck on Saturday, 8 kilometers (5 miles) from Helena Valley Northwest in Montana. The temblor was picked up at 21:52:24 / 9:52 pm (local time epicenter). Exact location of earthquake, longitude -112.0149994 West, latitude 46.7961655 North, depth = 4.28 km. The earthquake occurred at a depth of 4.28 km (3 miles) below the earth’s surface. Unique identifier: mb80100294. Ids that are associated to the event: mb80100294. Exact time and date of earthquake 04/10/15 / 2015-10-04 03:52:24 / October 4, 2015 @ 3:52 am UTC/GMT.

Epicenter of the earthquake 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 (9 miles) from Helena Valley West Central (c. 7 900 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Helena, Helena Valley Southeast, Helena Valley West Central.

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 nearby. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 8 km NNE of Helena Valley Northwest, Montana. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.39 mb The magnitude for the event.
Longitude -112.0149994° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.7961655° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.28 km Depth of the event in kilometers.
Place 8km NNE of Helena Valley Northwest, Montana Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-04 03:52:24 Time when the event occurred. UTC/GMT
Updated 2015-10-04 04:09:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 7 The total number of felt reports
CDI 3.4 The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 179 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network mb The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,mb, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID mb80100294 Id of event.
Event Code 80100294 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80100294, A comma-separated list of event ids that are associated to an event.

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