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Earthquake 4.2 mb, 91 km SSW of Amukta Island, Alaska

Earthquake location 51.7066S, -171.6904WAn earthquake with magnitude 4.2 mg has occurred in 91 km SSW of Amukta Island, Alaska. Time of event: Friday 4th July @ 7:55 am UTC. Location of event: -171.6904S, 51.7066W, depth=46.09 km. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about quake recorded in: 91 km SSW of Amukta Island, Alaska. Did you feel it? Leave a comment or report about shaking, activity and damage at your home, city and country.

More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -171.6904° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7066° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.09 km Depth of the event in kilometers.
Place 91km SSW of Amukta Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2014-07-04 07:55:44 Time when the event occurred. UTC/GMT
Updated 2014-07-04 08:29:11 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 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 271 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 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 1.628 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 107 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID usc000rqes Id of event.
Event Code c000rqes An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS usc000rqes A comma-separated list of event ids that are associated to an event.

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