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Moderate earthquake, 5.3 mag was detected near Unalaska in Alaska


Earthquake location 52.9134S, -166.8019WA moderate earthquake magnitude 5.3 (ml/mb) has occurred on Tuesday, 108 km S of Unalaska, Alaska (67 miles). The 5.3-magnitude earthquake has occurred at 08:46:32 / 8:46 am (local time epicenter). The earthquake occurred at a depth of 21.65 km (13 miles). Exact location of earthquake, longitude -166.8019 West, latitude 52.9134 North, depth = 21.65 km. Id of earthquake: us20006hxb. Event ids that are associated: at00oaxtlm, us20006hxb. Global time and date of event 26/07/16 / 2016-07-26 19:46:32 / July 26, 2016 @ 7:46 pm UTC/GMT. A tsunami warning has been issued near Unalaska in Alaska (Does not indicate if a tsunami actually did or will exist).

There are an estimated 1320 moderate quakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days eleven and in the last 365 days one hundred earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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. 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: 108 km S of Unalaska, Alaska.

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More information

Parameter Value Description
Magnitude 5.3 mb The magnitude for the event.
Longitude -166.8019° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.9134° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.65 km Depth of the event in kilometers.
Place 108km S of Unalaska, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-26 19:46:32 Time when the event occurred. UTC/GMT
Updated 2016-07-26 20:02:39 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1 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 432 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 ,at,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 0.95 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.86 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 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 us20006hxb Id of event.
Event Code 20006hxb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00oaxtlm,us20006hxb, A comma-separated list of event ids that are associated to an event.

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