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Minor earthquake: M2.9 quake has struck near Kodiak in Alaska

Posted by admin on March 23, 2018 0 Comments

Earthquake location 56.6839S, -148.6029WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Thursday, 260 km ESE of Kodiak, Alaska (162 miles). The temblor was picked up at 03:00:26 / 3:00 am (local time epicenter). Event id: us2000d9x7. Ids that are associated to the earthquake: ak18573367, us2000d9x7. Exact location of earthquake, longitude -148.6029 West, latitude 56.6839 North, depth = 20.22 km. The earthquake was roughly at a depth of 20.22 km (13 miles). Date and time of earthquake in UTC/GMT: 22/02/18 / 2018-02-22 13:00:26 / February 22, 2018 @ 1:00 pm.

In the past 24 hours, there have been four hundred and three, in the last 10 days six hundred and sixty-nine, in the past 30 days two thousand, one hundred and ninety and in the last 365 days two thousand, two hundred and sixty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 260 km ESE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -148.6029° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.6839° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.22 km Depth of the event in kilometers.
Place 260km 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 2018-02-22 13:00:26 Time when the event occurred. UTC/GMT
Updated 2018-03-23 18:34:08 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 129 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 2.428 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 232 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 us2000d9x7 Id of event.
Event Code 2000d9x7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18573367,us2000d9x7, A comma-separated list of event ids that are associated to an event.

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