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Minor earthquake, 2.8 mag has occurred near Adak in Alaska



Earthquake location 50.6123S, -175.9089WA minor earthquake magnitude 2.8 (ml/mb) has struck on Friday, 150 km SSE of Adak, Alaska (93 miles). Exact location of earthquake, -175.9089° West, 50.6123° North, depth 10 km. Date and time of earthquake in UTC/GMT: 25/08/17 / 2017-08-25 20:47:29 / August 25, 2017 @ 8:47 pm. Event id: us2000abyn. Ids that are associated to the earthquake: ak16673830, us2000abyn. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. The temblor was detected at 08:47:29 / 8:47 am (local time epicenter).

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. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days four and in the last 365 days one hundred and twenty earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 150 km SSE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -175.9089° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.6123° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 150km SSE of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-25 20:47:29 Time when the event occurred. UTC/GMT
Updated 2017-08-26 17:14:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 1.362 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 227 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 us2000abyn Id of event.
Event Code 2000abyn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16673830,us2000abyn, A comma-separated list of event ids that are associated to an event.

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