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Minor earthquake: M3.1 quake has struck near Kodiak in Alaska

Posted by admin on March 21, 2018 0 Comments

Earthquake location 56.3054S, -150.0609WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Monday, 218 km SE of Kodiak, Alaska (135 miles). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Id of earthquake: us1000d52k. Event ids that are associated: ak18699087, us1000d52k. Exact location of event, longitude -150.0609 West, latitude 56.3054 North, depth = 10 km. The 3.1-magnitude earthquake was detected at 05:55:43 / 5:55 am (local time epicenter). Exact time and date of event in UTC/GMT: 12/03/18 / 2018-03-12 15:55:43 / March 12, 2018 @ 3:55 pm.

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

Did you feel anything?

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. 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: 218 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -150.0609° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.3054° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 218km 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 2018-03-12 15:55:43 Time when the event occurred. UTC/GMT
Updated 2018-03-21 20:33:27 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 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 202 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 us1000d52k Id of event.
Event Code 1000d52k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18699087,us1000d52k, A comma-separated list of event ids that are associated to an event.

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