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Minor earthquake, 3.3 mag was detected near Point MacKenzie in Alaska

Earthquake location 61.321S, -150.0617WA minor earthquake with magnitude 3.3 (ml/mb) was detected on Friday, 6 kilometers (4 miles) from Point MacKenzie in Alaska. The temblor was picked up at 02:47:02 / 2:47 am (local time epicenter). The earthquake was roughly at a depth of 21.6 km (13 miles). Unique identifier: ak0211c020dc. Ids that are associated to the event: ak0211c020dc. Exact location, longitude -150.0617° West, latitude 61.321° North, depth = 21.6 km. Exact time and date of event in UTC/GMT: 29/01/21 / 2021-01-29 02:47:02 / January 29, 2021 @ 2:47 am.

Close country/countries that might be effected, United States (c. 310 233 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Palmer, Gateway, Lakes. Epicenter of the earthquake was 14 km (9 miles) from Anchorage (c. 291 800 pop), 26 km (16 miles) from Eagle River (c. 24 800 pop), 33 km (20 miles) from Knik-Fairview (c. 14 900 pop), 51 km (32 miles) from Lakes (c. 8 400 pop), 48 km (30 miles) from Tanaina (c. 8 200 pop).

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days five and in the last 365 days seventy-six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 6 km SW of Point MacKenzie, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -150.0617° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.321° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.6 km Depth of the event in kilometers.
Place 6 km SW of Point MacKenzie, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-29 02:47:02 Time when the event occurred. UTC/GMT
Updated 2021-01-29 02:53:11 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 5 The total number of felt reports
CDI 3.4 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 169 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 0.82 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 ak0211c020dc Id of event.
Event Code 0211c020dc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0211c020dc, A comma-separated list of event ids that are associated to an event.

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