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Light earthquake: M4 quake has struck near Kodiak in Alaska

Posted by admin on January 28, 2018 0 Comments

Earthquake location 56.2347S, -149.9281WA light earthquake magnitude 4 (ml/mb) has occurred on Saturday, 229 km SE of Kodiak, Alaska (142 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: ak18212566. Ids that are associated to the event: ak18212566. The earthquake occurred at a depth of 0 km (0 miles). Exact location of earthquake, longitude -149.9281 West, latitude 56.2347 North, depth = 0 km. Global date and time of event UTC/GMT: 27/01/18 / 2018-01-27 23:45:42 / January 27, 2018 @ 11:45 pm. The temblor was detected at 13:45:42 / 1:45 pm (local time epicenter).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 229 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -149.9281° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.2347° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0 km Depth of the event in kilometers.
Place 229km SE of Kodiak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-01-27 23:45:42 Time when the event occurred. UTC/GMT
Updated 2018-01-27 23:59:54 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 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 246 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 0.98 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 ak18212566 Id of event.
Event Code 18212566 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18212566, A comma-separated list of event ids that are associated to an event.

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