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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 5 km SE of Big Lake, Alaska


Earthquake location 61.4416S, -149.9865WA light earthquake with magnitude 4.1 (ml/mb) was detected on Saturday, 5 kilometers (3 miles) from Big Lake in Alaska. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 20 km (12 miles) below the earth’s surface. Global time and date of event 08/12/18 / 2018-12-08 16:36:14 / December 8, 2018 @ 4:36 pm UTC/GMT. Event ids that are associated to the earthquake: us1000i53i, ak20469171. Id of event: ak20469171. Exact location of event, longitude -149.9865 West, latitude 61.4416 North, depth = 20 km. The temblor was reported at 07:36:14 / 7:36 am (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Palmer, Gateway, Lakes. Nearby country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 25 km (16 miles) from Anchorage (c. 291 800 pop), 26 km (16 miles) from Eagle River (c. 24 800 pop), 22 km (14 miles) from Knik-Fairview (c. 14 900 pop), 40 km (25 miles) from Lakes (c. 8 400 pop), 36 km (22 miles) from Tanaina (c. 8 200 pop), 33 km (20 miles) from Wasilla (c. 7 800 pop).

In the past 24 hours, there have been eight, in the last 10 days three hundred and fifty-six, in the past 30 days three hundred and fifty-eight and in the last 365 days four hundred and fourteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel it?

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

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -149.9865° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4416° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20 km Depth of the event in kilometers.
Place 5km SE 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 2018-12-08 16:36:14 Time when the event occurred. UTC/GMT
Updated 2018-12-08 17:04:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 43 The total number of felt reports
CDI 3.8 The maximum reported intensity for the event.
MMI 3.08 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 275 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 ,us,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 0.95 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 ak20469171 Id of event.
Event Code 20469171 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000i53i,ak20469171, A comma-separated list of event ids that are associated to an event.

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