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Minor earthquake 3 mag, 38 km NNE of Nikiski, Alaska

Earthquake location 60.9913S, -150.9439WA minor earthquake with magnitude 3 (ml/mb) was reported 38 kilometers (24 miles) from Nikiski in Alaska on Saturday. Global time and date of event 08/12/18 / 2018-12-08 23:51:10 / December 8, 2018 @ 11:51 pm UTC/GMT. Exact location of earthquake, -150.9439° West, 60.9913° North, depth 41.7 km. Id of earthquake: ak20471042. Event ids that are associated: ak20471042. The temblor was picked up at 14:51:10 / 2:51 pm (local time epicenter). The earthquake was roughly at a depth of 41.7 km (26 miles).

Close country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 61 km (38 miles) from Anchorage (c. 291 800 pop), 66 km (41 miles) from Kalifornsky (c. 7 900 pop), 51 km (32 miles) from Kenai (c. 7 100 pop), 76 km (47 miles) from Elmendorf Air Force Base (c. 6 600 pop), 51 km (32 miles) from Sterling (c. 5 600 pop). Closest city/cities/towns to epicentrum/hypocenter was Elmendorf Air Force Base, Kalifornsky, Anchorage (min 5000 pop).

In the past 24 hours, there have been eleven, in the last 10 days three hundred and sixty-two, in the past 30 days three hundred and sixty-four and in the last 365 days four hundred and nineteen earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 38 km NNE of Nikiski, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -150.9439° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.9913° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.7 km Depth of the event in kilometers.
Place 38km NNE of Nikiski, 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 23:51:10 Time when the event occurred. UTC/GMT
Updated 2018-12-08 23:54:29 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 0.67 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 ak20471042 Id of event.
Event Code 20471042 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20471042, A comma-separated list of event ids that are associated to an event.

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