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Minor earthquake 2.9 mag, 289 km ESE of Kodiak, Alaska



Earthquake location 56.378S, -148.3956WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Friday, 289 km ESE of Kodiak, Alaska (180 miles). The 2.9-magnitude earthquake has occurred at 14:17:19 / 2:17 pm (local time epicenter). Unique identifier: us1000d8fd. Ids that are associated to the event: ak18744663, us1000d8fd. Exact time and date of earthquake 17/03/18 / 2018-03-17 00:17:19 / March 17, 2018 @ 12:17 am UTC/GMT. The earthquake occurred at a depth of 19.35 km (12 miles) below the earth’s surface. Exact location of event, longitude -148.3956 West, latitude 56.378 North, depth = 19.35 km.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been thirty-two, in the last 10 days two hundred, in the past 30 days seven hundred and nine and in the last 365 days two thousand, five hundred and ninety-five earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 130,000 minor quakes in the world each year.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 289 km ESE of Kodiak, Alaska. This information 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 -148.3956° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.378° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.35 km Depth of the event in kilometers.
Place 289km 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 2018-03-17 00:17:19 Time when the event occurred. UTC/GMT
Updated 2018-03-26 23:11:15 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 2.685 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 218 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 us1000d8fd Id of event.
Event Code 1000d8fd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18744663,us1000d8fd, A comma-separated list of event ids that are associated to an event.

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