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Light earthquake, 4.2 mag was detected near Anchorage in Alaska

Earthquake location 61.3036S, -150.0788WA light earthquake magnitude 4.2 (ml/mb) strikes 13 kilometers (8 miles) from Anchorage in Alaska on Tuesday. Date and time of earthquake in UTC/GMT: 28/08/19 / 2019-08-28 07:48:24 / August 28, 2019 @ 7:48 am. All ids that are associated to the event: at00pwxscp, ak019b11fo13. Unique identifier: ak019b11fo13. The 4.2-magnitude earthquake was detected at 22:48:24 / 10:48 pm (local time epicenter). Exact location of earthquake, -150.0788° West, 61.3036° North, depth 26.7 km. The epicenter of the earthquake was roughly 26.7 km (17 miles) below the earth’s surface. A tsunami warning has been issued near Anchorage in Alaska (Does not indicate if a tsunami actually did or will exist).

Close country/countries that might be effected, United States (c. 310 233 000 pop). Event epicenter was 13 km (8 miles) from Anchorage (c. 291 800 pop), 27 km (17 miles) from Eagle River (c. 24 800 pop), 34 km (21 miles) from Knik-Fairview (c. 14 900 pop), 53 km (33 miles) from Lakes (c. 8 400 pop), 50 km (31 miles) from Tanaina (c. 8 200 pop), 46 km (29 miles) from Wasilla (c. 7 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Sterling, Palmer, Gateway (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days nine and in the last 365 days five hundred and fifty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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: 13 km NW of Anchorage, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -150.0788° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.3036° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.7 km Depth of the event in kilometers.
Place 13km NW 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 2019-08-28 07:48:24 Time when the event occurred. UTC/GMT
Updated 2019-08-28 07:56:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 13 The total number of felt reports
CDI 5 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 1 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 278 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 ,at,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 0.69 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 ak019b11fo13 Id of event.
Event Code 019b11fo13 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pwxscp,ak019b11fo13, A comma-separated list of event ids that are associated to an event.

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