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Minor earthquake, 3 mag strikes near Atka in Alaska



Earthquake location 52.3672S, -172.969WA minor earthquake magnitude 3 (ml/mb) strikes 86 km ENE of Atka, Alaska (53 miles) on Saturday. All ids that are associated to the event: ak16426726. Unique identifier: ak16426726. The temblor was picked up at 20:30:18 / 8:30 pm (local time epicenter). The earthquake occurred at a depth of 213.3 km (133 miles) below the earth’s surface. Exact location of earthquake, longitude -172.969 West, latitude 52.3672 North, depth = 213.3 km. Exact time and date of event in UTC/GMT: 16/07/17 / 2017-07-16 08:30:18 / July 16, 2017 @ 8:30 am.

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 four, in the past 30 days fifteen and in the last 365 days one hundred and nine earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor quakes in the world each year.

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 86 km ENE of Atka, 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 -172.969° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3672° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 213.3 km Depth of the event in kilometers.
Place 86km ENE 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 2017-07-16 08:30:18 Time when the event occurred. UTC/GMT
Updated 2017-08-03 23:45:48 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 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 0.42 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 ak16426726 Id of event.
Event Code 16426726 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16426726, A comma-separated list of event ids that are associated to an event.

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