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Minor earthquake, 3.4 mag strikes near Chiniak in Alaska


Earthquake location 55.8451S, -149.294WA minor earthquake magnitude 3.4 (ml/mb) has occurred on Sunday, 268 km SE of Chiniak, Alaska (167 miles). The epicenter was at a depth of 8.7 km (5 miles). Exact location of earthquake, -149.294° West, 55.8451° North, depth 8.7 km. The temblor was picked up at 16:22:16 / 4:22 pm (local time epicenter). Global date and time of event UTC/GMT: 14/02/21 / 2021-02-14 16:22:16 / February 14, 2021 @ 4:22 pm. Unique identifier: ak02122ouaw1. Ids that are associated to the event: ak02122ouaw1.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days twelve and in the last 365 days one hundred and sixty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel it?

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. 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: 268 km SE of Chiniak, Alaska.

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More information

Parameter Value Description
Magnitude 3.4 mb The magnitude for the event.
Longitude -149.294° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.8451° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.7 km Depth of the event in kilometers.
Place 268 km SE of Chiniak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-14 16:22:16 Time when the event occurred. UTC/GMT
Updated 2021-03-01 18:29:40 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 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 0.58 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 ak02122ouaw1 Id of event.
Event Code 02122ouaw1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02122ouaw1, A comma-separated list of event ids that are associated to an event.

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