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Minor earthquake: M3 quake has struck near Kodiak in Alaska

Posted by admin on March 16, 2018 0 Comments

Earthquake location 56.2226S, -149.429WA minor earthquake magnitude 3 (ml/mb) has struck on Tuesday, 251 km SE of Kodiak, Alaska (156 miles). Global date and time of event UTC/GMT: 20/02/18 / 2018-02-20 17:36:58 / February 20, 2018 @ 5:36 pm. Event id: us2000d9dh. Ids that are associated to the earthquake: ak18572034, us2000d9dh. Exact location of event, longitude -149.429 West, latitude 56.2226 North, depth = 20.01 km. The 3-magnitude earthquake has occurred at 07:36:58 / 7:36 am (local time epicenter). The earthquake occurred at a depth of 20.01 km (12 miles).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been four hundred and three, in the last 10 days seven hundred and fourty-five, in the past 30 days two thousand, seven hundred and six and in the last 365 days two thousand, seven hundred and ten earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 251 km SE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -149.429° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.2226° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.01 km Depth of the event in kilometers.
Place 251km 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 2018-02-20 17:36:58 Time when the event occurred. UTC/GMT
Updated 2018-03-16 22:01:33 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 138 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 2.329 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 204 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 us2000d9dh Id of event.
Event Code 2000d9dh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18572034,us2000d9dh, A comma-separated list of event ids that are associated to an event.

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