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Moderate earthquake: M5.5 quake has struck near Amatignak Island in Alaska


Earthquake location 50.957S, -179.7649WA moderate earthquake with magnitude 5.5 (ml/mb) was detected on Sunday, 57 km SW of Amatignak Island, Alaska (35 miles). The earthquake occurred at a depth of 58 km (36 miles) below the earth’s surface. The temblor was reported at 12:31:17 / 12:31 pm (local time epicenter). Event id: at00q6jis5. Ids that are associated to the earthquake: at00q6jis5. A tsunami warning has been issued near Amatignak Island in Alaska (Does not indicate if a tsunami actually did or will exist). Global time and date of event 02/03/20 / 2020-03-02 00:31:17 / March 2, 2020 @ 12:31 am UTC/GMT. Exact location of event, depth 58 km, -179.7649° West, 50.957° North.

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days thirteen and in the last 365 days two hundred and ten earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. There are an estimated 1320 moderate quakes in the world each year.

How would you describe the shaking?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 57 km SW of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 5.5 mb The magnitude for the event.
Longitude -179.7649° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.957° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58 km Depth of the event in kilometers.
Place 57km SW of Amatignak 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 2020-03-02 00:31:17 Time when the event occurred. UTC/GMT
Updated 2020-03-02 00:37:45 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 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 465 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at, A comma-separated list of network contributors.
Number of Stations Used 28 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.7222455 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 215.99998272 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00q6jis5 Id of event.
Event Code 00q6jis5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00q6jis5, A comma-separated list of event ids that are associated to an event.

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