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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.8 mag, 93 km SE of Nikolski, Alaska


Earthquake location 52.259S, -168.049WA minor earthquake magnitude 3.8 (ml/mb) strikes 93 km SE of Nikolski, Alaska (58 miles) on Friday. The temblor was detected at 19:55:36 / 7:55 pm (local time epicenter). Exact location, longitude -168.049° West, latitude 52.259° North, depth = 32.4 km. The epicenter of the earthquake was roughly 32.4 km (20 miles) below the earth’s surface. Id of earthquake: us20004hjy. Event ids that are associated: ak12237785, us20004hjy. Exact time and date of earthquake 12/12/15 / 2015-12-12 06:55:36 / December 12, 2015 @ 6:55 am UTC/GMT.

Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days eleven, in the past 30 days seventeen and in the last 365 days three hundred and fifty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 93 km SE of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude -168.049° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.259° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 32.4 km Depth of the event in kilometers.
Place 93km SE of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-12 06:55:36 Time when the event occurred. UTC/GMT
Updated 2016-01-08 10:11:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 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 222 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, 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 0.84 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20004hjy Id of event.
Event Code 20004hjy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12237785,us20004hjy, A comma-separated list of event ids that are associated to an event.

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