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Light earthquake, 4 mag strikes near Kodiak in Alaska

Posted by admin on January 29, 2018 0 Comments

Earthquake location 56.1009S, -149.2699WA light earthquake with magnitude 4 (ml/mb) was detected on Sunday, 267 km SE of Kodiak, Alaska (166 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -149.2699° West, latitude 56.1009° North, depth = 20.59 km. The earthquake occurred at a depth of 20.59 km (13 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 29/01/18 / 2018-01-29 05:49:06 / January 29, 2018 @ 5:49 am. The temblor was picked up at 19:49:06 / 7:49 pm (local time epicenter). Event id: us2000cqus. Ids that are associated to the earthquake: us2000cqus.

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

Questions or comments?

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: 267 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -149.2699° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1009° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.59 km Depth of the event in kilometers.
Place 267km 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 2018-01-29 05:49:06 Time when the event occurred. UTC/GMT
Updated 2018-01-29 11:56:29 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 246 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 ,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 2.477 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 193 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 us2000cqus Id of event.
Event Code 2000cqus An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cqus, A comma-separated list of event ids that are associated to an event.

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