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Minor earthquake: M3.3 quake has struck near Alaska

Earthquake location 55.6452S, -149.233WA minor earthquake magnitude 3.3 (ml/mb) has occurred on Saturday, Gulf of Alaska (0 miles). The earthquake occurred at a depth of 10 km (6 miles). Exact location of event, longitude -149.233 West, latitude 55.6452 North, depth = 10 km. Unique identifier: ak18583544. Ids that are associated to the event: ak18583544. Date and time of earthquake in UTC/GMT: 24/02/18 / 2018-02-24 19:01:36 / February 24, 2018 @ 7:01 pm. The 3.3-magnitude earthquake was detected at 09:01:36 / 9:01 am (local time epicenter).

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

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: Gulf of Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -149.233° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.6452° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place Gulf of Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-24 19:01:36 Time when the event occurred. UTC/GMT
Updated 2018-03-04 17:10:31 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 0.53 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 ak18583544 Id of event.
Event Code 18583544 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18583544, A comma-separated list of event ids that are associated to an event.

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