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Moderate earthquake: M5.4 quake has struck near Akhiok in Alaska

Earthquake location 57.1463S, -155.0174WA moderate earthquake with magnitude 5.4 (ml/mb) was reported 56 km WNW of Akhiok, Alaska (35 miles) on Saturday. A tsunami warning has been issued near Akhiok in Alaska (Does not indicate if a tsunami actually did or will exist). Global time and date of event 13/02/21 / 2021-02-13 13:08:54 / February 13, 2021 @ 1:08 pm UTC/GMT. The 5.4-magnitude earthquake has occurred at 13:08:54 / 1:08 pm (local time epicenter). Exact location of event, longitude -155.0174 West, latitude 57.1463 North, depth = 53.8 km. The earthquake occurred at a depth of 53.8 km (33 miles). All ids that are associated to the event: ak02120zfqhy, at00qogxuu. Unique identifier: ak02120zfqhy.

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 56 km WNW of Akhiok, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -155.0174° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.1463° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53.8 km Depth of the event in kilometers.
Place 56 km WNW of Akhiok, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-13 13:08:54 Time when the event occurred. UTC/GMT
Updated 2021-02-13 13:17:56 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 The maximum reported intensity for the event.
MMI 3.88 The maximum estimated instrumental intensity for the event.
Alert Level green The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status automatic Indicates whether the event has been reviewed by a human.
Tsunami 1 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 449 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,at, 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 0.78 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 ak02120zfqhy Id of event.
Event Code 02120zfqhy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02120zfqhy,at00qogxuu, A comma-separated list of event ids that are associated to an event.

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