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Minor earthquake, 2.8 mag has occurred near Amatignak Island in Alaska


Earthquake location 51.0672S, -179.9473WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Friday, 62 km WSW of Amatignak Island, Alaska (39 miles). Date and time of earthquake in UTC/GMT: 04/12/15 / 2015-12-04 13:51:07 / December 4, 2015 @ 1:51 pm. Event id: us20004h67. Ids that are associated to the earthquake: us20004h67, ak12122730. Exact location, longitude -179.9473° West, latitude 51.0672° North, depth = 27.8 km. The earthquake was roughly at a depth of 27.8 km (17 miles). The 2.8-magnitude earthquake was detected at 01:51:07 / 1:51 am (local time epicenter).

Every year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days one and in the last 365 days fourty-seven earthquakes of magnitude 3.0 or greater that has struck near.

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: 62 km WSW of Amatignak Island, 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 -179.9473° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.0672° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.8 km Depth of the event in kilometers.
Place 62km WSW 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 2015-12-04 13:51:07 Time when the event occurred. UTC/GMT
Updated 2015-12-18 14:42:36 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 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 ,us,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 0.566 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 237 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 us20004h67 Id of event.
Event Code 20004h67 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004h67,ak12122730, A comma-separated list of event ids that are associated to an event.

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