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Strong earthquake 6.1 mag, 66 km SW of Sand Point, Alaska

Earthquake location 54.8674S, -161.1436WA earthquake with magnitude 6.1 (ml/mb) was detected on Tuesday, 66 km SW of Sand Point, Alaska (41 miles). The earthquake occurred at a depth of 41.26 km (26 miles) below the earth’s surface. Exact location of earthquake, longitude -161.1436 West, latitude 54.8674 North, depth = 41.26 km. A tsunami warning has been issued near Sand Point in Alaska (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 28/07/20 / 2020-07-28 08:03:44 / July 28, 2020 @ 8:03 am. Unique identifier: us6000b56k. Ids that are associated to the event: at00qe66e8, us6000b56k. The temblor was reported at 08:03:44 / 8:03 am (local time epicenter).

There are an estimated 135 earthquakes in the world each year. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas. In the past 24 hours, there have been seven, in the last 10 days fourty-nine, in the past 30 days fifty-three and in the last 365 days one hundred and twelve earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 66 km SW of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 6.1 mb The magnitude for the event.
Longitude -161.1436° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.8674° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.26 km Depth of the event in kilometers.
Place 66 km SW of Sand Point, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-07-28 08:03:44 Time when the event occurred. UTC/GMT
Updated 2020-07-28 08:22:38 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 6.1 The maximum reported intensity for the event.
MMI 4.508 The maximum estimated instrumental intensity for the event.
Alert Level green 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 574 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 0.616 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.39 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 62 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000b56k Id of event.
Event Code 6000b56k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qe66e8,us6000b56k, A comma-separated list of event ids that are associated to an event.

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