Minor earthquake 3.1 mag, 8 km SSE of Big Lake, Alaska

A minor earthquake magnitude 3.1 (ml/mb) has occurred on Friday, 8 kilometers (5 miles) from Big Lake in Alaska. The earthquake occurred at a depth of 28.69 km (18 miles). The temblor was detected at 17:18:14 / 5:18 pm (local time epicenter). Id of earthquake: us1000hz3d. Event ids that are associated: us1000hz3d. Exact location of earthquake, longitude -149.9051 West, latitude 61.4445 North, depth = 28.69 km. Exact time and date of event in UTC/GMT: 01/12/18 / 2018-12-01 02:18:14 / December 1, 2018 @ 2:18 am.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 25 km (16 miles) from Anchorage (c. 291 800 pop), 23 km (14 miles) from Eagle River (c. 24 800 pop), 18 km (11 miles) from Knik-Fairview (c. 14 900 pop), 36 km (23 miles) from Lakes (c. 8 400 pop), 32 km (20 miles) from Tanaina (c. 8 200 pop). Closest city/cities/towns to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been one hundred and fourteen, in the last 10 days one hundred and fifteen, in the past 30 days one hundred and sixteen and in the last 365 days one hundred and seventy-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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 SSE 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	-149.9051° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.4445° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	28.69 km	Depth of the event in kilometers.
Place	8km SSE 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 02:18:14	Time when the event occurred. UTC/GMT
Updated	2018-12-01 02:54:55	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	1.89	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	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	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	0.326	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.82 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	40	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	us1000hz3d	Id of event.
Event Code	1000hz3d	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000hz3d,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 3.1 mag, 8 km SSE of Big Lake, Alaska

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