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Minor earthquake, 2.8 mag has occurred near Little Sitkin Island in Alaska

Earthquake location 51.7587S, 178.5383WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Wednesday, 21 km S of Little Sitkin Island, Alaska (13 miles). The temblor was reported at 00:06:15 / 12:06 am (local time epicenter). Global date and time of event UTC/GMT: 08/08/18 / 2018-08-08 10:06:15 / August 8, 2018 @ 10:06 am. Unique identifier: us1000g9l4. Ids that are associated to the event: ak20029419, us1000g9l4. The earthquake occurred at a depth of 103.69 km (64 miles) below the earth’s surface. Exact location of event, depth 103.69 km, 178.5383° East, 51.7587° North.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. Every year there are an estimated 1,300,000 minor earthquakes in the world. In the past 24 hours, there have been five, in the last 10 days twelve, in the past 30 days eighteen and in the last 365 days one hundred and twenty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 21 km S of Little Sitkin 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 178.5383° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7587° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 103.69 km Depth of the event in kilometers.
Place 21km S of Little Sitkin 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 2018-08-08 10:06:15 Time when the event occurred. UTC/GMT
Updated 2018-09-01 09:46:50 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 0.174 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 228 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 us1000g9l4 Id of event.
Event Code 1000g9l4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20029419,us1000g9l4, A comma-separated list of event ids that are associated to an event.

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