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Light earthquake: M4.1 quake has struck near Kodiak in Alaska

Posted by admin on January 23, 2018 0 Comments

Earthquake location 56.5703S, -148.732WA light earthquake magnitude 4.1 (ml/mb) strikes 260 km ESE of Kodiak, Alaska (162 miles) on Tuesday. The earthquake occurred at a depth of 17.53 km (11 miles) below the earth’s surface. Id of earthquake: us2000cn1a. Event ids that are associated: us2000cn1a. Exact time and date of event in UTC/GMT: 23/01/18 / 2018-01-23 10:58:23 / January 23, 2018 @ 10:58 am. Exact location of event, depth 17.53 km, -148.732° West, 56.5703° North. The temblor was reported at 00:58:23 / 12:58 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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 seventeen, in the last 10 days seventeen, in the past 30 days seventeen and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 260 km ESE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -148.732° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.5703° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.53 km Depth of the event in kilometers.
Place 260km ESE 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 2018-01-23 10:58:23 Time when the event occurred. UTC/GMT
Updated 2018-01-23 11:40:28 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 259 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 2.424 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us2000cn1a Id of event.
Event Code 2000cn1a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cn1a, A comma-separated list of event ids that are associated to an event.

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