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Minor earthquake, 2.8 mag strikes near Atka in Alaska

Earthquake location 50.5618S, -173.529WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Sunday, 187 km SSE of Atka, Alaska (116 miles). The 2.8-magnitude earthquake has occurred at 00:33:40 / 12:33 am (local time epicenter). Exact location of event, longitude -173.529 West, latitude 50.5618 North, depth = 10.78 km. Exact time and date of event in UTC/GMT: 21/06/20 / 2020-06-21 00:33:40 / June 21, 2020 @ 12:33 am. All ids that are associated to the event: ak0207y468mz, us6000ag3c. Unique identifier: us6000ag3c. The earthquake occurred at a depth of 10.78 km (7 miles) below the earth’s surface.

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 187 km SSE of Atka, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -173.529° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.5618° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.78 km Depth of the event in kilometers.
Place 187 km SSE 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 2020-06-21 00:33:40 Time when the event occurred. UTC/GMT
Updated 2020-06-28 01:05:46 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 121 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 1.694 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 311 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 us6000ag3c Id of event.
Event Code 6000ag3c An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0207y468mz,us6000ag3c, A comma-separated list of event ids that are associated to an event.

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