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Minor earthquake 3 mag, 67 km SSW of Kaktovik, Alaska

Earthquake location 69.5486S, -144.0556WA minor earthquake with magnitude 3 (ml/mb) was reported 67 km SSW of Kaktovik, Alaska (42 miles) on Thursday. The epicenter was at a depth of 0 km (0 miles). All ids that are associated to the event: ak20259885. Unique identifier: ak20259885. Exact location, longitude -144.0556° West, latitude 69.5486° North, depth = 0 km. The 3-magnitude earthquake has occurred at 17:19:39 / 5:19 pm (local time epicenter). Exact time and date of event in UTC/GMT: 21/09/18 / 2018-09-21 02:19:39 / September 21, 2018 @ 2:19 am.

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days eighteen, in the past 30 days one hundred and nineteen and in the last 365 days five hundred and twelve earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 67 km SSW of Kaktovik, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -144.0556° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 69.5486° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0 km Depth of the event in kilometers.
Place 67km SSW of Kaktovik, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-21 02:19:39 Time when the event occurred. UTC/GMT
Updated 2018-09-21 02:24:52 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 138 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 0.79 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 ak20259885 Id of event.
Event Code 20259885 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20259885, A comma-separated list of event ids that are associated to an event.

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