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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.7 mag, 240 km SE of Kodiak, Alaska

Posted by admin on March 18, 2018 0 Comments

Earthquake location 56.1245S, -149.9019WA minor earthquake magnitude 3.7 (ml/mb) strikes 240 km SE of Kodiak, Alaska (149 miles) on Sunday. Exact location, longitude -149.9019° West, latitude 56.1245° North, depth = 21.72 km. All ids that are associated to the event: ak18449818, us2000db7k. Unique identifier: us2000db7k. Exact time and date of event in UTC/GMT: 18/02/18 / 2018-02-18 17:48:21 / February 18, 2018 @ 5:48 pm. The epicenter of the earthquake was roughly 21.72 km (13 miles) below the earth’s surface. The 3.7-magnitude earthquake has occurred at 07:48:21 / 7:48 am (local time epicenter).

Each year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been five hundred and twelve, in the last 10 days eight hundred and seventy-six, in the past 30 days two thousand, seven hundred and fourty-six and in the last 365 days two thousand, seven hundred and fifty earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel the quake?

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: 240 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -149.9019° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1245° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.72 km Depth of the event in kilometers.
Place 240km 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 2018-02-18 17:48:21 Time when the event occurred. UTC/GMT
Updated 2018-03-18 20:50:18 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 2.168 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 180 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 us2000db7k Id of event.
Event Code 2000db7k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18449818,us2000db7k, A comma-separated list of event ids that are associated to an event.

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