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Light earthquake, 4.5 mag has occurred near Chirik

Posted by admin on September 5, 2017 0 Comments

Earthquake location 55.7032S, -152.9328WA light earthquake with magnitude 4.5 (ml/mb) was detected on Monday, 169 km E of Chirikof Island, Alaska (105 miles). The temblor was picked up at 22:23:53 / 10:23 pm (local time epicenter). A tsunami warning has been issued near Chirik (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: ak16768973, at00ovssnv. Unique identifier: ak16768973. Exact location of event, depth 4.9 km, -152.9328° West, 55.7032° North. The earthquake occurred at a depth of 4.9 km (3 miles). Exact time and date of earthquake 05/09/17 / 2017-09-05 08:23:53 / September 5, 2017 @ 8:23 am UTC/GMT.

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 169 km E of Chirikof Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -152.9328° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.7032° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.9 km Depth of the event in kilometers.
Place 169km E of Chirikof 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 2017-09-05 08:23:53 Time when the event occurred. UTC/GMT
Updated 2017-09-05 08:33:35 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 1 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,at, 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 0.75 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 ak16768973 Id of event.
Event Code 16768973 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16768973,at00ovssnv, A comma-separated list of event ids that are associated to an event.

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