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Minor earthquake 3.1 mag, 243 km SE of Kodiak, Alaska



Earthquake location 56.0852S, -149.9095WA minor earthquake with magnitude 3.1 (ml/mb) was reported 243 km SE of Kodiak, Alaska (151 miles) on Saturday. The 3.1-magnitude earthquake was detected at 00:25:17 / 12:25 am (local time epicenter). Global date and time of event UTC/GMT: 03/03/18 / 2018-03-03 10:25:17 / March 3, 2018 @ 10:25 am. Event ids that are associated to the earthquake: ak18655339, us1000d2lh. Id of event: us1000d2lh. The earthquake occurred at a depth of 20.01 km (12 miles) below the earth’s surface. Exact location of earthquake, -149.9095° West, 56.0852° North, depth 20.01 km.

In the past 24 hours, there have been three hundred and thirty-five, in the last 10 days five hundred and seventy-two, in the past 30 days one thousand, four hundred and eight and in the last 365 days two thousand, nine hundred and fifteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

How would you describe the shaking?

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. 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: 243 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -149.9095° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.0852° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.01 km Depth of the event in kilometers.
Place 243km 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 2018-03-03 10:25:17 Time when the event occurred. UTC/GMT
Updated 2018-03-31 06:10:30 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 148 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 2.186 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 247 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 us1000d2lh Id of event.
Event Code 1000d2lh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18655339,us1000d2lh, A comma-separated list of event ids that are associated to an event.

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