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Minor earthquake, 3 mag was detected near Kodiak in Alaska

Earthquake location 56.0699S, -149.8495WA minor earthquake magnitude 3 (ml/mb) strikes 246 km SE of Kodiak, Alaska (153 miles) on Thursday. Exact location of event, longitude -149.8495 West, latitude 56.0699 North, depth = 19.85 km. All ids that are associated to the event: ak18723789, us1000d7as. Unique identifier: us1000d7as. The temblor was reported at 13:08:23 / 1:08 pm (local time epicenter). Exact time and date of earthquake 15/03/18 / 2018-03-15 23:08:23 / March 15, 2018 @ 11:08 pm UTC/GMT. The earthquake was roughly at a depth of 19.85 km (12 miles).

In the past 24 hours, there have been thirty-nine, in the last 10 days two hundred and twenty-two, in the past 30 days seven hundred and sixty-one and in the last 365 days two thousand, eight hundred and fifty-one earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor quakes in the world.

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 246 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -149.8495° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.0699° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.85 km Depth of the event in kilometers.
Place 246km 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 2018-03-15 23:08:23 Time when the event occurred. UTC/GMT
Updated 2018-03-26 05:27:01 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 2.222 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 227 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 us1000d7as Id of event.
Event Code 1000d7as An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18723789,us1000d7as, A comma-separated list of event ids that are associated to an event.

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