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Light earthquake 4.2 mag, 257 km SE of Kodiak, Alaska

Posted by admin on February 10, 2018 0 Comments

Earthquake location 56.0073S, -149.7217WA light earthquake magnitude 4.2 (ml/mb) has occurred on Saturday, 257 km SE of Kodiak, Alaska (160 miles). The earthquake occurred at a depth of 21.63 km (13 miles) below the earth’s surface. Global date and time of event UTC/GMT: 10/02/18 / 2018-02-10 14:27:06 / February 10, 2018 @ 2:27 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 04:27:06 / 4:27 am (local time epicenter). Unique identifier: us2000d097. Ids that are associated to the event: ak18421067, us2000d097. Exact location of earthquake, -149.7217° West, 56.0073° North, depth 21.63 km.

In the past 24 hours, there have been nine, in the last 10 days one hundred and sixteen, in the past 30 days one thousand, three hundred and eight and in the last 365 days one thousand, three hundred and twelve earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes 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 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: 257 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -149.7217° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.0073° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.63 km Depth of the event in kilometers.
Place 257km 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 2018-02-10 14:27:06 Time when the event occurred. UTC/GMT
Updated 2018-02-10 14:46:20 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 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 271 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, 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 2.317 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000d097 Id of event.
Event Code 2000d097 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18421067,us2000d097, A comma-separated list of event ids that are associated to an event.

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