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Minor earthquake, 3.8 mag was detected near Big Lake in Alaska

Posted by admin on December 3, 2018 0 Comments

A minor earthquake magnitude 3.8 (ml/mb) has struck on Monday, 7 kilometers (4 miles) from Big Lake in Alaska. Event id: ak20438385. Ids that are associated to the earthquake: ak20438385, us1000i157. Exact time and date of event in UTC/GMT: 03/12/18 / 2018-12-03 12:18:57 / December 3, 2018 @ 12:18 pm. The epicenter was at a depth of 20 km (12 miles). Exact location of event, longitude -150.0034 West, latitude 61.3998 North, depth = 20 km. The temblor was reported at 03:18:57 / 3:18 am (local time epicenter).

The epicenter was 21 km (13 miles) from Anchorage (c. 291 800 pop), 25 km (15 miles) from Eagle River (c. 24 800 pop), 25 km (15 miles) from Knik-Fairview (c. 14 900 pop), 43 km (27 miles) from Lakes (c. 8 400 pop), 40 km (25 miles) from Tanaina (c. 8 200 pop), 36 km (22 miles) from Wasilla (c. 7 800 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Palmer, Gateway, Lakes.

In the past 24 hours, there have been twenty-three, in the last 10 days one hundred and ninety-three, in the past 30 days one hundred and ninety-four and in the last 365 days two hundred and fifty-one 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. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. 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: 7 km SSW of Big Lake, Alaska.

More information

Parameter	Value	Description
Magnitude	3.8 mb	The magnitude for the event.
Longitude	-150.0034° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	61.3998° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	20 km	Depth of the event in kilometers.
Place	7km 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	2018-12-03 12:18:57	Time when the event occurred. UTC/GMT
Updated	2018-12-03 12:40:14	Time when the event was most recently updated. UTC/GMT
Timezone offset	-540	Timezone offset from UTC in minutes at the event epicenter.
Felt	7	The total number of felt reports
CDI	3.4	The maximum reported intensity for the event.
MMI	4.31	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	225	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,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		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.88 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	ak20438385	Id of event.
Event Code	20438385	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ak20438385,us1000i157,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.8 mag was detected near Big Lake in Alaska

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