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Moderate earthquake, 5 mag strikes near Amatignak Island in Alaska



Earthquake location 51.39S, -178.5149WA moderate earthquake magnitude 5 (ml/mb) strikes 43 km ENE of Amatignak Island, Alaska (27 miles) on Friday. The earthquake occurred at a depth of 3 km (2 miles) below the earth’s surface. Exact location, longitude -178.5149° West, latitude 51.39° North, depth = 3 km. Event ids that are associated to the earthquake: at00ou6wkx. Id of event: at00ou6wkx. The temblor was detected at 16:07:45 / 4:07 pm (local time epicenter). Exact time and date of event in UTC/GMT: 05/08/17 / 2017-08-05 02:07:45 / August 5, 2017 @ 2:07 am. A tsunami warning has been issued near Amatignak Island in Alaska (Does not indicate if a tsunami actually did or will exist).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Every 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 thirteen and in the last 365 days six hundred and seventy-four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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. 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: 43 km ENE of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -178.5149° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.39° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3 km Depth of the event in kilometers.
Place 43km ENE 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 2017-08-05 02:07:45 Time when the event occurred. UTC/GMT
Updated 2017-08-05 02:12:03 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 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 385 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4186149 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 197.99998416 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 at00ou6wkx Id of event.
Event Code 00ou6wkx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00ou6wkx, A comma-separated list of event ids that are associated to an event.

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