Minor earthquake: M3.3 quake has struck near Big Lake in Alaska

A minor earthquake with magnitude 3.3 (ml/mb) was reported 15 kilometers (9 miles) from Big Lake in Alaska on Friday. Exact location of event, depth 29.7 km, -150.1073° West, 61.4002° North. Event id: ak20419800. Ids that are associated to the earthquake: ak20419800. The epicenter was at a depth of 29.7 km (18 miles). The temblor was reported at 09:07:47 / 9:07 am (local time epicenter). Global date and time of event UTC/GMT: 30/11/18 / 2018-11-30 18:07:47 / November 30, 2018 @ 6:07 pm.

Closest city/cities/towns to epicentrum/hypocenter was Palmer, Gateway, Lakes (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). The epicenter was 23 km (14 miles) from Anchorage (c. 291 800 pop), 30 km (19 miles) from Eagle River (c. 24 800 pop), 30 km (18 miles) from Knik-Fairview (c. 14 900 pop), 48 km (30 miles) from Lakes (c. 8 400 pop), 44 km (27 miles) from Tanaina (c. 8 200 pop).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been sixteen, in the last 10 days seventeen, in the past 30 days eighteen and in the last 365 days seventy-four earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 15 km SSW of Big Lake, Alaska.

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Parameter	Value	Description
Magnitude	3.3 mb	The magnitude for the event.
Longitude	-150.1073° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.4002° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	29.7 km	Depth of the event in kilometers.
Place	15km SSW 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	2018-11-30 18:07:47	Time when the event occurred. UTC/GMT
Updated	2018-11-30 19:30:10	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	0	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	168	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	0.45 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	ak20419800	Id of event.
Event Code	20419800	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak20419800,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.3 quake has struck near Big Lake in Alaska

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