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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag was detected near Little Sitkin Island in Alaska



Earthquake location 50.8556S, 178.2739WA minor earthquake with magnitude 3.9 (ml/mb) was detected on Friday, 122 km S of Little Sitkin Island, Alaska (76 miles). Exact location of earthquake, longitude 178.2739 East, latitude 50.8556 North, depth = 42.6 km. The temblor was picked up at 14:53:54 / 2:53 pm (local time epicenter). All ids that are associated to the event: ak15193566, us20008hgu. Unique identifier: us20008hgu. The earthquake was roughly at a depth of 42.6 km (26 miles). Exact time and date of earthquake 03/02/17 / 2017-02-03 02:53:54 / February 3, 2017 @ 2:53 am UTC/GMT.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days nine and in the last 365 days one hundred and twenty-four earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 122 km S of Little Sitkin Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude 178.2739° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.8556° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 42.6 km Depth of the event in kilometers.
Place 122km S of Little Sitkin Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-03 02:53:54 Time when the event occurred. UTC/GMT
Updated 2017-02-18 00:27:42 Time when the event was most recently updated. UTC/GMT
Timezone offset 720 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 234 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 3.035 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us20008hgu Id of event.
Event Code 20008hgu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15193566,us20008hgu, A comma-separated list of event ids that are associated to an event.

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