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Minor earthquake, 3.3 mag has occurred near Chernabura Island in Alaska



Earthquake location 54.122S, -161.2507WA minor earthquake with magnitude 3.3 (ml/mb) was detected on Friday, 132 km WSW of Chernabura Island, Alaska (82 miles). Exact time and date of event in UTC/GMT: 20/08/16 / 2016-08-20 02:17:49 / August 20, 2016 @ 2:17 am. Unique identifier: ak13855923. Ids that are associated to the event: ak13855923. Exact location of event, longitude -161.2507 West, latitude 54.122 North, depth = 12.3 km. The epicenter of the earthquake was roughly 12.3 km (8 miles) below the earth’s surface. The temblor was picked up at 15:17:49 / 3:17 pm (local time epicenter).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days seven and in the last 365 days ninety 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. Each year there are an estimated 130,000 minor quakes in the world.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 132 km WSW of Chernabura Island, 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 -161.2507° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.122° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.3 km Depth of the event in kilometers.
Place 132km WSW of Chernabura 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 2016-08-20 02:17:49 Time when the event occurred. UTC/GMT
Updated 2016-09-02 00:23:28 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 64 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.148945 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 197.99998416 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 ak13855923 Id of event.
Event Code 13855923 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13855923, A comma-separated list of event ids that are associated to an event.

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