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Minor earthquake 3.1 mag, northern Alaska

Earthquake location 69.5152S, -144.5468WA minor earthquake magnitude 3.1 (ml/mb) has struck on Sunday, northern Alaska (0 miles). The 3.1-magnitude earthquake has occurred at 22:50:12 / 10:50 pm (local time epicenter). Global date and time of event UTC/GMT: 12/08/18 / 2018-08-12 22:50:12 / August 12, 2018 @ 10:50 pm. Event id: ak20085887. Ids that are associated to the earthquake: ak20085887. Exact location of earthquake, longitude -144.5468 West, latitude 69.5152 North, depth = 1 km. The earthquake occurred at a depth of 1 km (1 miles).

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 thirty-four, in the last 10 days three hundred and thirty-four, in the past 30 days three hundred and thirty-four and in the last 365 days three hundred and thirty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

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: northern Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -144.5468° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.5152° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1 km Depth of the event in kilometers.
Place northern Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-12 22:50:12 Time when the event occurred. UTC/GMT
Updated 2018-08-18 15:59:26 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 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 0.52 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 ak20085887 Id of event.
Event Code 20085887 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20085887, A comma-separated list of event ids that are associated to an event.

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