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Minor earthquake, 3.1 mag was detected near Amatignak Island in Alaska



Earthquake location 50.9616S, 179.7398WA minor earthquake magnitude 3.1 (ml/mb) strikes 87 km WSW of Amatignak Island, Alaska (54 miles) on Monday. The temblor was reported at 15:14:40 / 3:14 pm (local time epicenter). Exact location, longitude 179.7398° East, latitude 50.9616° North, depth = 75.9 km. Unique identifier: ak13423927. Ids that are associated to the event: ak13423927. The earthquake was roughly at a depth of 75.9 km (47 miles). Exact time and date of event in UTC/GMT: 11/04/16 / 2016-04-11 03:14:40 / April 11, 2016 @ 3:14 am.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days five and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 87 km WSW of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude 179.7398° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9616° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 75.9 km Depth of the event in kilometers.
Place 87km WSW 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 2016-04-11 03:14:40 Time when the event occurred. UTC/GMT
Updated 2016-04-11 14:33:02 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 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 148 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, 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 0.84 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 ak13423927 Id of event.
Event Code 13423927 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13423927, A comma-separated list of event ids that are associated to an event.

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