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Minor earthquake, 2.8 mag has occurred near Kodiak in Alaska

Posted by admin on April 21, 2018 0 Comments

Earthquake location 56.5847S, -148.6204WA minor earthquake magnitude 2.8 (ml/mb) has struck on Saturday, 265 km ESE of Kodiak, Alaska (165 miles). Exact location of event, depth 20.96 km, -148.6204° West, 56.5847° North. The 2.8-magnitude earthquake was detected at 23:39:46 / 11:39 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 15/04/18 / 2018-04-15 09:39:46 / April 15, 2018 @ 9:39 am. Unique identifier: us1000dnev. Ids that are associated to the event: ak19242884, us1000dnev. The earthquake occurred at a depth of 20.96 km (13 miles) below the earth’s surface.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been eighteen, in the last 10 days one hundred and two, in the past 30 days three hundred and twenty-two and in the last 365 days two thousand, eight hundred and eighty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 265 km ESE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -148.6204° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.5847° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.96 km Depth of the event in kilometers.
Place 265km 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 2018-04-15 09:39:46 Time when the event occurred. UTC/GMT
Updated 2018-04-21 12:39:14 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 121 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 2.469 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.46 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 214 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 us1000dnev Id of event.
Event Code 1000dnev An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19242884,us1000dnev, A comma-separated list of event ids that are associated to an event.

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