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


Earthquake location 51.9364S, -171.0885WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Tuesday, 62 km S of Amukta Island, Alaska (39 miles). Exact time and date of event in UTC/GMT: 29/07/15 / 2015-07-29 04:58:40 / July 29, 2015 @ 4:58 am. Event id: ak11661827. Ids that are associated to the earthquake: ak11661827. The 3.1-magnitude earthquake was detected at 17:58:40 / 5:58 pm (local time epicenter). Exact location of earthquake, longitude -171.0885 West, latitude 51.9364 North, depth = 25.9 km. The earthquake occurred at a depth of 25.9 km (16 miles).

There are an estimated 130,000 minor earthquakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been fourteen, in the last 10 days twenty-two, in the past 30 days twenty-eight and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 62 km S of Amukta Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -171.0885° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9364° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.9 km Depth of the event in kilometers.
Place 62km S of Amukta 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 2015-07-29 04:58:40 Time when the event occurred. UTC/GMT
Updated 2015-08-04 01:03:42 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 14 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 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 226.799981856 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 ak11661827 Id of event.
Event Code 11661827 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11661827, A comma-separated list of event ids that are associated to an event.

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