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Minor earthquake, 3 mag strikes near Kodiak in Alaska

Earthquake location 56.3236S, -149.4357WA minor earthquake with magnitude 3 (ml/mb) was detected on Wednesday, 243 km SE of Kodiak, Alaska (151 miles). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of earthquake, longitude -149.4357 West, latitude 56.3236 North, depth = 10 km. Date and time of earthquake in UTC/GMT: 07/03/18 / 2018-03-07 17:11:20 / March 7, 2018 @ 5:11 pm. The 3-magnitude earthquake has occurred at 07:11:20 / 7:11 am (local time epicenter). Event id: us1000d411. Ids that are associated to the earthquake: ak18694435, us1000d411.

In the past 24 hours, there have been three hundred and sixteen, in the last 10 days five hundred and twenty-five, in the past 30 days one thousand, two hundred and thirty-two and in the last 365 days two thousand, nine hundred and ninety-five 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. There are an estimated 130,000 minor earthquakes in the world each year.

Questions or comments?

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: 243 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -149.4357° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3236° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 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 2018-03-07 17:11:20 Time when the event occurred. UTC/GMT
Updated 2018-04-03 23:15:27 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 2.257 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.59 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 220 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 us1000d411 Id of event.
Event Code 1000d411 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18694435,us1000d411, A comma-separated list of event ids that are associated to an event.

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