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Minor earthquake, 3.3 mag was detected near Unalaska in Alaska


Earthquake location 52.736S, -166.7753WA minor earthquake with magnitude 3.3 (ml/mb) was detected on Sunday, 127 km S of Unalaska, Alaska (79 miles). Global date and time of event UTC/GMT: 11/07/16 / 2016-07-11 00:44:50 / July 11, 2016 @ 12:44 am. The temblor was picked up at 13:44:50 / 1:44 pm (local time epicenter). All ids that are associated to the event: ak13748457, us20006f3g. Unique identifier: us20006f3g. The earthquake occurred at a depth of 4.42 km (3 miles). Exact location of event, depth 4.42 km, -166.7753° West, 52.736° North.

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

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: 127 km S of Unalaska, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -166.7753° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.736° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.42 km Depth of the event in kilometers.
Place 127km S of Unalaska, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-11 00:44:50 Time when the event occurred. UTC/GMT
Updated 2016-07-26 04:31:28 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 168 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 0.962 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 205 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 us20006f3g Id of event.
Event Code 20006f3g An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13748457,us20006f3g, A comma-separated list of event ids that are associated to an event.

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