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Minor earthquake, 3.4 mag strikes near Adak in Alaska


Earthquake location 51.8556S, -176.9264WA minor earthquake magnitude 3.4 (ml/mb) strikes 18 km W of Adak, Alaska (11 miles) on Friday. Exact location of event, longitude -176.9264 West, latitude 51.8556 North, depth = 10.1 km. The 3.4-magnitude earthquake has occurred at 23:50:48 / 11:50 pm (local time epicenter). The epicenter of the earthquake was roughly 10.1 km (6 miles) below the earth’s surface. All ids that are associated to the event: ak18307066, us1000cfe3. Unique identifier: us1000cfe3. Exact time and date of event in UTC/GMT: 03/02/18 / 2018-02-03 09:50:48 / February 3, 2018 @ 9:50 am.

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

Did you feel anything?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 18 km W of Adak, Alaska. This data 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 -176.9264° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.8556° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10.1 km Depth of the event in kilometers.
Place 18km W 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 2018-02-03 09:50:48 Time when the event occurred. UTC/GMT
Updated 2018-03-04 12:17:21 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 178 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 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 us1000cfe3 Id of event.
Event Code 1000cfe3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18307066,us1000cfe3, A comma-separated list of event ids that are associated to an event.

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