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Minor earthquake 3.1 mag, 11 km WSW of Anchorage, Alaska

Earthquake location 61.1954S, -150.1033WA minor earthquake with magnitude 3.1 (ml/mb) was reported 11 kilometers (7 miles) from Anchorage in Alaska on Thursday. The earthquake was roughly at a depth of 7.2 km (4 miles). Event id: ak0209f2eezu. Ids that are associated to the earthquake: ak0209f2eezu. The 3.1-magnitude earthquake was detected at 02:06:53 / 2:06 am (local time epicenter). Exact time and date of earthquake 23/07/20 / 2020-07-23 02:06:53 / July 23, 2020 @ 2:06 am UTC/GMT. Exact location of event, longitude -150.1033 West, latitude 61.1954 North, depth = 7.2 km.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Palmer, Lakes, Gateway (min 5000 pop). Event epicenter was 11 km (7 miles) from Anchorage (c. 291 800 pop), 32 km (20 miles) from Eagle River (c. 24 800 pop), 44 km (28 miles) from Knik-Fairview (c. 14 900 pop), 62 km (39 miles) from Lakes (c. 8 400 pop), 60 km (37 miles) from Tanaina (c. 8 200 pop).

In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days nine and in the last 365 days eighty-nine earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 130,000 minor quakes in the world each year. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 11 km WSW of Anchorage, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -150.1033° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.1954° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.2 km Depth of the event in kilometers.
Place 11 km WSW 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 2020-07-23 02:06:53 Time when the event occurred. UTC/GMT
Updated 2020-07-23 02:14:45 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 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 148 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 0.7 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 ak0209f2eezu Id of event.
Event Code 0209f2eezu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0209f2eezu, A comma-separated list of event ids that are associated to an event.

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