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Minor earthquake 2.9 mag, 20 km SSW of Anchorage, Alaska

Posted by admin on August 20, 2017 0 Comments

Earthquake location 61.037S, -149.9774WA minor earthquake magnitude 2.9 (ml/mb) strikes 20 kilometers (12 miles) from Anchorage in Alaska on Sunday. The earthquake occurred at a depth of 19 km (12 miles). The temblor was reported at 08:00:38 / 8:00 am (local time epicenter). Event ids that are associated to the earthquake: ak16586988. Id of event: ak16586988. Exact location of event, longitude -149.9774 West, latitude 61.037 North, depth = 19 km. Exact time and date of event in UTC/GMT: 20/08/17 / 2017-08-20 17:00:38 / August 20, 2017 @ 5:00 pm.

Nearest cities/city/villages to epicentrum/hypocenter was Lakes, Tanaina, Gateway (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 21 km (13 miles) from Anchorage (c. 291 800 pop), 38 km (24 miles) from Eagle River (c. 24 800 pop), 57 km (35 miles) from Knik-Fairview (c. 14 900 pop), 73 km (45 miles) from Lakes (c. 8 400 pop), 72 km (45 miles) from Tanaina (c. 8 200 pop).

In the past 24 hours, there have been 0, in the last 10 days one, in the past 30 days three and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 130,000 minor quakes in the world. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km SSW of Anchorage, 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 -149.9774° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.037° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19 km Depth of the event in kilometers.
Place 20km SSW of Anchorage, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-20 17:00:38 Time when the event occurred. UTC/GMT
Updated 2017-08-20 17:05:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 automatic 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 130 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 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 ak16586988 Id of event.
Event Code 16586988 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak16586988, A comma-separated list of event ids that are associated to an event.

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