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Minor earthquake 3.4 mag, 50 km SSE of Yunaska Island, Alaska



Earthquake location 52.2305S, -170.3645WA minor earthquake with magnitude 3.4 (ml/mb) was detected on Sunday, 50 km SSE of Yunaska Island, Alaska (31 miles). The 3.4-magnitude earthquake was detected at 12:57:09 / 12:57 pm (local time epicenter). Event id: us20004zc7. Ids that are associated to the earthquake: ak12777341, us20004zc7. Date and time of earthquake in UTC/GMT: 07/02/16 / 2016-02-07 23:57:09 / February 7, 2016 @ 11:57 pm. Exact location of earthquake, longitude -170.3645 West, latitude 52.2305 North, depth = 33.5 km. The epicenter of the earthquake was roughly 33.5 km (21 miles) below the earth’s surface.

In the past 24 hours, there have been six, in the last 10 days eight, in the past 30 days seventeen and in the last 365 days three hundred and eighty-four earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

Did you feel it?

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 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: 50 km SSE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -170.3645° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2305° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.5 km Depth of the event in kilometers.
Place 50km SSE of Yunaska 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 2016-02-07 23:57:09 Time when the event occurred. UTC/GMT
Updated 2016-02-20 06:20:29 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 178 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, 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 0.65 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 us20004zc7 Id of event.
Event Code 20004zc7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak12777341,us20004zc7, A comma-separated list of event ids that are associated to an event.

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