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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Chignik Lake in Alaska



Earthquake location 57.0518S, -157.8204WA light earthquake with magnitude 4.5 (ml/mb) was detected on Friday, 105 km NNE of Chignik Lake, Alaska (65 miles). Exact time and date of earthquake 02/04/16 / 2016-04-02 06:00:48 / April 2, 2016 @ 6:00 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -157.8204 West, latitude 57.0518 North, depth = 6.9 km. Id of earthquake: ak13228347. Event ids that are associated: ak13228347. The 4.5-magnitude earthquake was detected at 22:00:48 / 10:00 pm (local time epicenter). The earthquake occurred at a depth of 6.9 km (4 miles) below the earth’s surface.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days five and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 105 km NNE of Chignik Lake, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -157.8204° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.0518° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.9 km Depth of the event in kilometers.
Place 105km 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 2016-04-02 06:00:48 Time when the event occurred. UTC/GMT
Updated 2016-04-02 06:39:05 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 4.76 The maximum estimated instrumental intensity for the event.
Alert Level green 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 312 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 1.12 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 ak13228347 Id of event.
Event Code 13228347 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13228347, A comma-separated list of event ids that are associated to an event.

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