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Minor earthquake, 3.4 mag was detected near Atka in Alaska


Earthquake location 51.9129S, -172.5809WA minor earthquake magnitude 3.4 (ml/mb) strikes 115 km ESE of Atka, Alaska (71 miles) on Tuesday. Exact location of event, depth 35 km, -172.5809° West, 51.9129° North. The earthquake occurred at a depth of 35 km (22 miles). Global date and time of event UTC/GMT: 05/01/21 / 2021-01-05 18:23:21 / January 5, 2021 @ 6:23 pm. Event id: us6000d5vr. Ids that are associated to the earthquake: ak0218kjjg9, us6000d5vr. The temblor was picked up at 18:23:21 / 6:23 pm (local time epicenter).

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

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 115 km ESE of Atka, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -172.5809° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9129° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 115 km ESE 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 2021-01-05 18:23:21 Time when the event occurred. UTC/GMT
Updated 2021-01-07 15:42:04 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 178 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 1.003 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 206 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 us6000d5vr Id of event.
Event Code 6000d5vr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0218kjjg9,us6000d5vr, A comma-separated list of event ids that are associated to an event.

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