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Light earthquake, 4 mag has occurred near Kodiak in Alaska

Posted by admin on April 29, 2018 0 Comments

Earthquake location 55.8497S, -149.1436WA light earthquake with magnitude 4 (ml/mb) was reported 293 km SE of Kodiak, Alaska (182 miles) on Saturday. Exact location of earthquake, longitude -149.1436 West, latitude 55.8497 North, depth = 11.27 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 29/04/18 / 2018-04-29 07:51:51 / April 29, 2018 @ 7:51 am. Event id: us1000du7s. Ids that are associated to the earthquake: us1000du7s. The epicenter of the earthquake was roughly 11.27 km (7 miles) below the earth’s surface. The 4-magnitude earthquake was detected at 21:51:51 / 9:51 pm (local time epicenter).

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

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 293 km SE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -149.1436° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.8497° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.27 km Depth of the event in kilometers.
Place 293km 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 2018-04-29 07:51:51 Time when the event occurred. UTC/GMT
Updated 2018-04-29 08:15:10 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 ,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 2.676 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151 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 us1000du7s Id of event.
Event Code 1000du7s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000du7s, A comma-separated list of event ids that are associated to an event.

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