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Minor earthquake: M3.2 quake has struck near Atka in Alaska


Earthquake location 50.6576S, -174.7195WA minor earthquake magnitude 3.2 (ml/mb) has occurred on Monday, 174 km SSW of Atka, Alaska (108 miles). Exact time and date of event in UTC/GMT: 25/02/20 / 2020-02-25 00:31:36 / February 25, 2020 @ 12:31 am. Exact location, longitude -174.7195° West, latitude 50.6576° North, depth = 31.96 km. The epicenter was at a depth of 31.96 km (20 miles). All ids that are associated to the event: ak0202kma5rd, us60008eqf. Unique identifier: us60008eqf. The temblor was picked up at 12:31:36 / 12:31 pm (local time epicenter).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days twenty-two and in the last 365 days one hundred and three earthquakes of magnitude 3.0 or greater that has struck near. Each year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 174 km SSW of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 3.2 mb The magnitude for the event.
Longitude -174.7195° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.6576° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.96 km Depth of the event in kilometers.
Place 174km SSW of Atka, 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 00:31:36 Time when the event occurred. UTC/GMT
Updated 2020-03-17 03:03:23 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 158 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 1.58 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.38 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 287 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 us60008eqf Id of event.
Event Code 60008eqf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0202kma5rd,us60008eqf, A comma-separated list of event ids that are associated to an event.

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