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Minor earthquake: M3.4 quake has struck near Kodiak in Alaska



Earthquake location 56.1176S, -149.892WA minor earthquake magnitude 3.4 (ml/mb) has struck on Thursday, 241 km SE of Kodiak, Alaska (150 miles). The temblor was detected at 01:05:25 / 1:05 am (local time epicenter). The earthquake occurred at a depth of 35.1 km (22 miles) below the earth’s surface. Exact location of event, longitude -149.892 West, latitude 56.1176 North, depth = 35.1 km. Unique identifier: ak18726500. Ids that are associated to the event: ak18726500. Global time and date of event 22/03/18 / 2018-03-22 11:05:25 / March 22, 2018 @ 11:05 am UTC/GMT.

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days fourty-nine, in the past 30 days four hundred and seventy-eight and in the last 365 days two thousand, seven hundred and ninety-seven earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 241 km SE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -149.892° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1176° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.1 km Depth of the event in kilometers.
Place 241km 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 2018-03-22 11:05:25 Time when the event occurred. UTC/GMT
Updated 2018-03-22 11:10:57 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 automatic 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 178 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak18726500 Id of event.
Event Code 18726500 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18726500, A comma-separated list of event ids that are associated to an event.

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