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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.36 mag strikes near Helena Valley Northwest in Montana

Earthquake location 46.7973333S, -112.1893333WA minor earthquake with magnitude 3.36 (ml/mb) was reported 12 kilometers (7 miles) from Helena Valley Northwest in Montana on Monday. Global time and date of event 07/03/17 / 2017-03-07 02:26:55 / March 7, 2017 @ 2:26 am UTC/GMT. The 3.36-magnitude earthquake was detected at 19:26:55 / 7:26 pm (local time epicenter). The earthquake was roughly at a depth of 10.69 km (7 miles). Event ids that are associated to the earthquake: mb80201614, us100087e2. Id of event: mb80201614. Exact location of earthquake, -112.1893333° West, 46.7973333° North, depth 10.69 km.

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 26 km (16 miles) from Helena (c. 28 200 pop), 29 km (18 miles) from Helena Valley Southeast (c. 8 200 pop), 18 km (11 miles) from Helena Valley West Central (c. 7 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Helena Valley Southeast, Helena, Helena Valley West Central.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year. 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 six earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 12 km WNW of Helena Valley Northwest, Montana. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.36 mb The magnitude for the event.
Longitude -112.1893333° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 46.7973333° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.69 km Depth of the event in kilometers.
Place 12km WNW 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 2017-03-07 02:26:55 Time when the event occurred. UTC/GMT
Updated 2017-03-07 03:04:41 Time when the event was most recently updated. UTC/GMT
Timezone offset -420 Timezone offset from UTC in minutes at the event epicenter.
Felt 9 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 177 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,us, A comma-separated list of network contributors.
Number of Stations Used 43 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.108 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 103 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 mb80201614 Id of event.
Event Code 80201614 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,mb80201614,us100087e2, A comma-separated list of event ids that are associated to an event.

1 Comment

  1. Laura

    Mount St. Helens is in Washington state.

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