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Minor earthquake, 2.9 mag strikes near Amatignak Island in Alaska


Earthquake location 50.0039S, -177.0887WA minor earthquake magnitude 2.9 (ml/mb) has struck on Friday, 200 km SE of Amatignak Island, Alaska (124 miles). Exact time and date of event in UTC/GMT: 13/10/18 / 2018-10-13 09:02:12 / October 13, 2018 @ 9:02 am. The temblor was reported at 21:02:12 / 9:02 pm (local time epicenter). Exact location of earthquake, -177.0887° West, 50.0039° North, depth 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. All ids that are associated to the event: ak20280137, us1000hewf. Unique identifier: us1000hewf.

Each year there are an estimated 130,000 minor quakes in the world. 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 fifteen earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 200 km SE of Amatignak Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -177.0887° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.0039° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 200km SE 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 2018-10-13 09:02:12 Time when the event occurred. UTC/GMT
Updated 2018-11-08 12:45:16 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 129 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 1.851 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.3 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 264 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 us1000hewf Id of event.
Event Code 1000hewf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20280137,us1000hewf, A comma-separated list of event ids that are associated to an event.

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