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Minor earthquake 3.4 mag, 220 km SE of Kodiak, Alaska

Earthquake location 56.6176S, -149.4764WA minor earthquake magnitude 3.4 (ml/mb) strikes 220 km SE of Kodiak, Alaska (137 miles) on Monday. The earthquake was roughly at a depth of 34.8 km (22 miles). Exact location of earthquake, longitude -149.4764 West, latitude 56.6176 North, depth = 34.8 km. Date and time of earthquake in UTC/GMT: 13/03/18 / 2018-03-13 00:20:50 / March 13, 2018 @ 12:20 am. All ids that are associated to the event: ak18693055. Unique identifier: ak18693055. The 3.4-magnitude earthquake has occurred at 14:20:50 / 2:20 pm (local time epicenter).

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

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 220 km SE of Kodiak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -149.4764° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.6176° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.8 km Depth of the event in kilometers.
Place 220km 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 2018-03-13 00:20:50 Time when the event occurred. UTC/GMT
Updated 2018-03-13 00:26:11 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 automatic 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 178 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak18693055 Id of event.
Event Code 18693055 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18693055, A comma-separated list of event ids that are associated to an event.

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