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Minor earthquake: M2.9 quake has struck near Butte in Alaska

Earthquake location 61.242S, -148.0305WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Saturday, 63 kilometers (39 miles) from Butte in Alaska. The earthquake occurred at a depth of 92.1 km (57 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 10/12/17 / 2017-12-10 03:33:33 / December 10, 2017 @ 3:33 am. The temblor was detected at 18:33:33 / 6:33 pm (local time epicenter). All ids that are associated to the event: ak17566420. Unique identifier: ak17566420. Exact location of earthquake, -148.0305° West, 61.242° North, depth 92.1 km.

Earthquake epicenter was 70 km (43 miles) from Palmer (c. 5 900 pop), 74 km (46 miles) from Gateway (c. 5 600 pop). Nearest cities/city/towns to hypocenter/epicentrum was Gateway, Palmer (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days six and in the last 365 days fifty-one earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 63 km ESE of Butte, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -148.0305° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.242° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 92.1 km Depth of the event in kilometers.
Place 63km ESE of Butte, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-10 03:33:33 Time when the event occurred. UTC/GMT
Updated 2017-12-10 03:41:08 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 automatic 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 129 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 0.95 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 ak17566420 Id of event.
Event Code 17566420 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak17566420, A comma-separated list of event ids that are associated to an event.

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