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Minor earthquake, 2.8 mag strikes near Amatignak Island in Alaska



Earthquake location 51.3867S, -178.5673WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Sunday, 40 km ENE of Amatignak Island, Alaska (25 miles). The temblor was picked up at 15:06:51 / 3:06 pm (local time epicenter). The epicenter of the earthquake was roughly 33.3 km (21 miles) below the earth’s surface. Exact location, longitude -178.5673° West, latitude 51.3867° North, depth = 33.3 km. Event id: us2000acwt. Ids that are associated to the earthquake: ak16515846, us2000acwt. Global time and date of event 14/08/17 / 2017-08-14 01:06:51 / August 14, 2017 @ 1:06 am UTC/GMT.

Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days eleven, in the past 30 days nineteen and in the last 365 days six hundred and eighty-seven earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 40 km ENE of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -178.5673° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.3867° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.3 km Depth of the event in kilometers.
Place 40km ENE of Amatignak 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 2017-08-14 01:06:51 Time when the event occurred. UTC/GMT
Updated 2017-08-29 22:06:30 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 121 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 0.55 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 us2000acwt Id of event.
Event Code 2000acwt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16515846,us2000acwt, A comma-separated list of event ids that are associated to an event.

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