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Minor earthquake, 2.9 mag strikes near Big Lake in Alaska


Earthquake location 61.4647S, -149.9109WA minor earthquake magnitude 2.9 (ml/mb) has struck on Friday, 6 kilometers (4 miles) from Big Lake in Alaska. Exact location of earthquake, -149.9109° West, 61.4647° North, depth 31.3 km. Global time and date of event 30/11/18 / 2018-11-30 22:59:39 / November 30, 2018 @ 10:59 pm UTC/GMT. The earthquake occurred at a depth of 31.3 km (19 miles). The temblor was detected at 13:59:39 / 1:59 pm (local time epicenter). All ids that are associated to the event: us1000hyx9, ak20463590. Unique identifier: ak20463590.

Country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Palmer, Gateway, Lakes. Epicenter of the earthquake was 27 km (17 miles) from Anchorage (c. 291 800 pop), 24 km (15 miles) from Eagle River (c. 24 800 pop), 17 km (11 miles) from Knik-Fairview (c. 14 900 pop), 36 km (22 miles) from Lakes (c. 8 400 pop), 31 km (19 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 three hundred and fifty-seven, in the last 10 days three hundred and fifty-eight, in the past 30 days three hundred and fifty-nine and in the last 365 days four hundred and nineteen earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor earthquakes in the world each year.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 6 km SSE of Big Lake, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -149.9109° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.4647° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.3 km Depth of the event in kilometers.
Place 6km 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 2018-11-30 22:59:39 Time when the event occurred. UTC/GMT
Updated 2018-12-08 00:29:19 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 1 The maximum reported intensity for the event.
MMI 1.88 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 129 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 0.43 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 ak20463590 Id of event.
Event Code 20463590 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hyx9,ak20463590, A comma-separated list of event ids that are associated to an event.

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