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Minor earthquake, 2.8 mag was detected near Chignik Lake in Alaska

Posted by admin on April 12, 2016 0 Comments

Earthquake location 57.105S, -157.8045WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Saturday, 111 km NNE of Chignik Lake, Alaska (69 miles). Exact location of event, longitude -157.8045 West, latitude 57.105 North, depth = 18.4 km. Date and time of earthquake in UTC/GMT: 03/04/16 / 2016-04-03 01:05:43 / April 3, 2016 @ 1:05 am. The epicenter of the earthquake was roughly 18.4 km (11 miles) below the earth’s surface. The 2.8-magnitude earthquake was detected at 17:05:43 / 5:05 pm (local time epicenter). Unique identifier: ak13426899. Ids that are associated to the event: ak13426899.

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been sixty-one, in the last 10 days sixty-one, in the past 30 days sixty-two and in the last 365 days one hundred and twelve earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel anything?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 111 km NNE of Chignik Lake, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -157.8045° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.105° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.4 km Depth of the event in kilometers.
Place 111km NNE of Chignik Lake, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-03 01:05:43 Time when the event occurred. UTC/GMT
Updated 2016-04-12 09:38:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 121 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 9 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 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151.199987904 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 ak13426899 Id of event.
Event Code 13426899 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13426899, A comma-separated list of event ids that are associated to an event.

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