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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.7 mag was detected near Kodiak in Alaska

Posted by admin on March 16, 2018 0 Comments

Earthquake location 56.466S, -148.4691WA minor earthquake with magnitude 3.7 (ml/mb) was detected on Wednesday, 280 km ESE of Kodiak, Alaska (174 miles). The temblor was reported at 12:44:05 / 12:44 pm (local time epicenter). The epicenter of the earthquake was roughly 23.15 km (14 miles) below the earth’s surface. Exact location of event, longitude -148.4691 West, latitude 56.466 North, depth = 23.15 km. Unique identifier: us2000d9g7. Ids that are associated to the event: ak18572132, us2000d9g7. Global date and time of event UTC/GMT: 28/02/18 / 2018-02-28 22:44:05 / February 28, 2018 @ 10:44 pm.

In the past 24 hours, there have been one hundred and seventy-eight, in the last 10 days three hundred and seventy-two, in the past 30 days one thousand, one hundred and ninety-six and in the last 365 days two thousand, three hundred and seventy-five earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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. 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: 280 km ESE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -148.4691° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.466° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.15 km Depth of the event in kilometers.
Place 280km ESE 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 2018-02-28 22:44:05 Time when the event occurred. UTC/GMT
Updated 2018-03-16 00:48:55 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 211 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 2.603 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 170 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 us2000d9g7 Id of event.
Event Code 2000d9g7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18572132,us2000d9g7, A comma-separated list of event ids that are associated to an event.

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