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Minor earthquake 3.3 mag, 68 km NE of Adak, Alaska

Earthquake location 52.2801S, -175.9014WA minor earthquake magnitude 3.3 (ml/mb) has occurred on Tuesday, 68 km NE of Adak, Alaska (42 miles). The epicenter of the earthquake was roughly 144.5 km (90 miles) below the earth’s surface. Event ids that are associated to the earthquake: ak0202mbq14d. Id of event: ak0202mbq14d. The 3.3-magnitude earthquake was detected at 17:51:07 / 5:51 pm (local time epicenter). Exact location of event, longitude -175.9014 West, latitude 52.2801 North, depth = 144.5 km. Date and time of earthquake in UTC/GMT: 26/02/20 / 2020-02-26 03:51:07 / February 26, 2020 @ 3:51 am.

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

Questions or comments?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 68 km NE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -175.9014° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2801° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 144.5 km Depth of the event in kilometers.
Place 68km NE of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-02-26 03:51:07 Time when the event occurred. UTC/GMT
Updated 2020-03-06 02:18:57 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 168 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 0.44 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 ak0202mbq14d Id of event.
Event Code 0202mbq14d An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0202mbq14d, A comma-separated list of event ids that are associated to an event.

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