Minor earthquake: M3.1 quake has struck near Big Lake in Alaska

A minor earthquake magnitude 3.1 (ml/mb) strikes 15 kilometers (9 miles) from Big Lake in Alaska on Sunday. Global time and date of event 25/02/19 / 2019-02-25 05:39:52 / February 25, 2019 @ 5:39 am UTC/GMT. The earthquake occurred at a depth of 20.4 km (13 miles) below the earth’s surface. Event id: ak0192kpb2mp. Ids that are associated to the earthquake: ak0192kpb2mp. The temblor was detected at 20:39:52 / 8:39 pm (local time epicenter). Exact location, longitude -150.1329° West, latitude 61.4127° North, depth = 20.4 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Palmer, Gateway, Lakes. Event epicenter was 25 km (16 miles) from Anchorage (c. 291 800 pop), 32 km (20 miles) from Eagle River (c. 24 800 pop), 30 km (19 miles) from Knik-Fairview (c. 14 900 pop), 49 km (30 miles) from Lakes (c. 8 400 pop), 44 km (28 miles) from Tanaina (c. 8 200 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days nine, in the past 30 days twenty-two and in the last 365 days five hundred and twenty-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 15 km SW of Big Lake, Alaska. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-150.1329° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.4127° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	20.4 km	Depth of the event in kilometers.
Place	15km SW 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	2019-02-25 05:39:52	Time when the event occurred. UTC/GMT
Updated	2019-02-25 05:49:18	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	2	The total number of felt reports
CDI	2	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	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	0.91 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	ak0192kpb2mp	Id of event.
Event Code	0192kpb2mp	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak0192kpb2mp,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.1 quake has struck near Big Lake in Alaska

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