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Minor earthquake, 2.8 mag was detected near Kodiak in Alaska

Posted by admin on March 9, 2018 0 Comments

Earthquake location 56.2594S, -149.3851WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Tuesday, 250 km SE of Kodiak, Alaska (155 miles). Event id: us2000d9du. Ids that are associated to the earthquake: ak18572049, us2000d9du. Exact time and date of event in UTC/GMT: 20/02/18 / 2018-02-20 22:17:42 / February 20, 2018 @ 10:17 pm. The temblor was picked up at 12:17:42 / 12:17 pm (local time epicenter). Exact location of event, depth 20.15 km, -149.3851° West, 56.2594° North. The earthquake occurred at a depth of 20.15 km (13 miles) below the earth’s surface.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been two hundred and sixteen, in the last 10 days five hundred and fourteen, in the past 30 days two thousand, four hundred and seventy-two and in the last 365 days two thousand, four hundred and seventy-six earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 1,300,000 minor earthquakes in the world each year.

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 250 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -149.3851° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.2594° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.15 km Depth of the event in kilometers.
Place 250km 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 2018-02-20 22:17:42 Time when the event occurred. UTC/GMT
Updated 2018-03-09 01:19:41 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 2.321 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 239 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 us2000d9du Id of event.
Event Code 2000d9du An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18572049,us2000d9du, A comma-separated list of event ids that are associated to an event.

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