Minor earthquake, 3.1 mag strikes near Big Lake in Alaska

A minor earthquake magnitude 3.1 (ml/mb) has occurred on Friday, 15 kilometers (9 miles) from Big Lake in Alaska. The earthquake occurred at a depth of 40.2 km (25 miles) below the earth’s surface. The 3.1-magnitude earthquake has occurred at 15:08:10 / 3:08 pm (local time epicenter). Exact location of earthquake, longitude -149.9979 West, latitude 61.3799 North, depth = 40.2 km. Event ids that are associated to the earthquake: ak20560220. Id of event: ak20560220. Exact time and date of event in UTC/GMT: 01/12/18 / 2018-12-01 00:08:10 / December 1, 2018 @ 12:08 am.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Palmer, Gateway, Lakes. Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 19 km (12 miles) from Anchorage (c. 291 800 pop), 24 km (15 miles) from Eagle River (c. 24 800 pop), 26 km (16 miles) from Knik-Fairview (c. 14 900 pop), 44 km (28 miles) from Lakes (c. 8 400 pop), 41 km (25 miles) from Tanaina (c. 8 200 pop).

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

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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: 15 km S of Big Lake, Alaska. This data comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-149.9979° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.3799° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	40.2 km	Depth of the event in kilometers.
Place	15km S of Big Lake, Alaska	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-12-01 00:08:10	Time when the event occurred. UTC/GMT
Updated	2018-12-27 21:17:37	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	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	148	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	0.47 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	ak20560220	Id of event.
Event Code	20560220	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak20560220,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.1 mag strikes near Big Lake in Alaska

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