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Minor earthquake, 3.3 mag strikes near Amukta Island in Alaska



Earthquake location 51.8489S, -171.2382WA minor earthquake magnitude 3.3 (ml/mb) strikes 71 km S of Amukta Island, Alaska (44 miles) on Sunday. The 3.3-magnitude earthquake has occurred at 21:00:15 / 9:00 pm (local time epicenter). Exact location of event, longitude -171.2382 West, latitude 51.8489 North, depth = 29.3 km. The epicenter of the earthquake was roughly 29.3 km (18 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 10/07/17 / 2017-07-10 08:00:15 / July 10, 2017 @ 8:00 am. Unique identifier: ak16326071. Ids that are associated to the event: ak16326071.

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

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. 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: 71 km S of Amukta Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -171.2382° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8489° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 29.3 km Depth of the event in kilometers.
Place 71km 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 2017-07-10 08:00:15 Time when the event occurred. UTC/GMT
Updated 2017-07-10 17:24:19 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 168 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 0.63 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 ak16326071 Id of event.
Event Code 16326071 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16326071, A comma-separated list of event ids that are associated to an event.

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