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Minor earthquake, 2.8 mag strikes near Chignik Lake in Alaska

Earthquake location 56.3606S, -157.7402WA minor earthquake magnitude 2.8 (ml/mb) strikes 64 km E of Chignik Lake, Alaska (40 miles) on Wednesday. Event ids that are associated to the earthquake: ak15272519. Id of event: ak15272519. The temblor was detected at 05:36:43 / 5:36 am (local time epicenter). The earthquake was roughly at a depth of 54.5 km (34 miles). Global time and date of event 15/02/17 / 2017-02-15 14:36:43 / February 15, 2017 @ 2:36 pm UTC/GMT. Exact location of event, longitude -157.7402 West, latitude 56.3606 North, depth = 54.5 km.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days seven and in the last 365 days one hundred and thirty-nine earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 1,300,000 minor earthquakes in the world each year.

Questions or comments?

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. 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: 64 km E of Chignik Lake, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -157.7402° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3606° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 54.5 km Depth of the event in kilometers.
Place 64km E 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 2017-02-15 14:36:43 Time when the event occurred. UTC/GMT
Updated 2017-02-15 14:46:27 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 automatic 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 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 0.44 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 ak15272519 Id of event.
Event Code 15272519 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15272519, A comma-separated list of event ids that are associated to an event.

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