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Minor earthquake, 2.8 mag has occurred near Little Sitkin Island in Alaska

Earthquake location 51.4786S, 178.4242WA minor earthquake with magnitude 2.8 (ml/mb) was reported 52 km S of Little Sitkin Island, Alaska (32 miles) on Saturday. Unique identifier: us70009c3r. Ids that are associated to the event: ak02050mbbmd, us70009c3r. Exact time and date of event in UTC/GMT: 18/04/20 / 2020-04-18 21:39:14 / April 18, 2020 @ 9:39 pm. The earthquake was roughly at a depth of 80.79 km (50 miles). Exact location of earthquake, longitude 178.4242 East, latitude 51.4786 North, depth = 80.79 km. The temblor was reported at 11:39:14 / 11:39 am (local time epicenter).

In the past 24 hours, there have been seven, in the last 10 days fifteen, in the past 30 days nineteen and in the last 365 days one hundred and twenty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. There are an estimated 1,300,000 minor quakes in the world each year.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 52 km S of Little Sitkin Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude 178.4242° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4786° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 80.79 km Depth of the event in kilometers.
Place 52km S of Little Sitkin Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-18 21:39:14 Time when the event occurred. UTC/GMT
Updated 2020-05-12 22:24:20 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 0.462 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 266 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 us70009c3r Id of event.
Event Code 70009c3r An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02050mbbmd,us70009c3r, A comma-separated list of event ids that are associated to an event.

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