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Minor earthquake: M2.8 quake has struck near Sand Point in Alaska

Earthquake location 54.368S, -160.9769WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Tuesday, 112 km SSW of Sand Point, Alaska (70 miles). The temblor was detected at 08:11:40 / 8:11 am (local time epicenter). Global date and time of event UTC/GMT: 04/08/20 / 2020-08-04 08:11:40 / August 4, 2020 @ 8:11 am. Exact location of event, longitude -160.9769 West, latitude 54.368 North, depth = 4 km. The earthquake was roughly at a depth of 4 km (2 miles). Unique identifier: ak0209z0g7xr. Ids that are associated to the event: ak0209z0g7xr.

In the past 24 hours, there have been thirty-five, in the last 10 days eighty-four, in the past 30 days one hundred and twenty-eight and in the last 365 days one hundred and eighty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 112 km SSW of Sand Point, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -160.9769° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.368° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4 km Depth of the event in kilometers.
Place 112 km SSW 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 2020-08-04 08:11:40 Time when the event occurred. UTC/GMT
Updated 2020-08-19 20:44:17 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 121 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 0.74 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 ak0209z0g7xr Id of event.
Event Code 0209z0g7xr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0209z0g7xr, A comma-separated list of event ids that are associated to an event.

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