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Minor earthquake, 3 mag has occurred near Adak in Alaska


Earthquake location 50.3669S, -176.8935WA minor earthquake magnitude 3 (ml/mb) has struck on Tuesday, 169 km S of Adak, Alaska (105 miles). The epicenter was at a depth of 10 km (6 miles). The temblor was reported at 07:45:54 / 7:45 am (local time epicenter). Exact time and date of event in UTC/GMT: 25/02/20 / 2020-02-25 19:45:54 / February 25, 2020 @ 7:45 pm. Exact location of earthquake, longitude -176.8935 West, latitude 50.3669 North, depth = 10 km. All ids that are associated to the event: ak0202kxoj48, us60008eqd. Unique identifier: us60008eqd.

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

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. 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: 169 km S of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -176.8935° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.3669° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 169km S of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-02-25 19:45:54 Time when the event occurred. UTC/GMT
Updated 2020-03-20 15:15:23 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 138 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 1.496 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 234 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 us60008eqd Id of event.
Event Code 60008eqd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0202kxoj48,us60008eqd, A comma-separated list of event ids that are associated to an event.

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