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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Kodiak in Alaska

Posted by admin on May 22, 2018 0 Comments

Earthquake location 55.8875S, -149.3723WA light earthquake with magnitude 4 (ml/mb) was reported 281 km SE of Kodiak, Alaska (175 miles) on Monday. Global time and date of event 21/05/18 / 2018-05-21 23:55:58 / May 21, 2018 @ 11:55 pm UTC/GMT. The temblor was picked up at 13:55:58 / 1:55 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ak19643081, us1000e9md. Id of event: us1000e9md. Exact location of event, longitude -149.3723 West, latitude 55.8875 North, depth = 9.68 km. The epicenter of the earthquake was roughly 9.68 km (6 miles) below the earth’s surface.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days twenty-four, in the past 30 days one hundred and eighty-one and in the last 365 days three thousand, four hundred and ninety-four earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel anything?

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 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: 281 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -149.3723° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.8875° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 9.68 km Depth of the event in kilometers.
Place 281km 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 2018-05-21 23:55:58 Time when the event occurred. UTC/GMT
Updated 2018-05-22 01:10:10 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 246 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 2.547 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us1000e9md Id of event.
Event Code 1000e9md An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19643081,us1000e9md, A comma-separated list of event ids that are associated to an event.

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