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Light earthquake: M4.3 quake has struck near Kodiak in Alaska

Posted by admin on March 11, 2018 0 Comments

Earthquake location 56.1197S, -149.247WA light earthquake with magnitude 4.3 (ml/mb) was detected on Thursday, 267 km SE of Kodiak, Alaska (166 miles). A tsunami warning has been issued near Kodiak in Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 17.65 km (11 miles). The temblor was picked up at 11:36:43 / 11:36 am (local time epicenter). Exact location, longitude -149.247° West, latitude 56.1197° North, depth = 17.65 km. Global time and date of event 22/02/18 / 2018-02-22 21:36:43 / February 22, 2018 @ 9:36 pm UTC/GMT. Id of earthquake: us2000d6lb. Event ids that are associated: at00p4kmp9, ak18493544, us2000d6lb.

In the past 24 hours, there have been two hundred and twenty-one, in the last 10 days four hundred and seventy-three, in the past 30 days two thousand, two hundred and eighty and in the last 365 days two thousand, five hundred and twenty-nine 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. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel the quake?

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: 267 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -149.247° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1197° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.65 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 2018-02-22 21:36:43 Time when the event occurred. UTC/GMT
Updated 2018-03-11 02:53:10 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 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 284 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 ,at,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 2.473 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.01 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000d6lb Id of event.
Event Code 2000d6lb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00p4kmp9,ak18493544,us2000d6lb, A comma-separated list of event ids that are associated to an event.

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