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Minor earthquake, 3.3 mag was detected near Nikiski in Alaska

Earthquake location 60.9503S, -150.8834WA minor earthquake with magnitude 3.3 (ml/mb) was reported 36 kilometers (22 miles) from Nikiski in Alaska on Wednesday. Id of earthquake: ak20252378. Event ids that are associated: ak20252378. The temblor was picked up at 14:14:52 / 2:14 pm (local time epicenter). Exact location of event, depth 49.7 km, -150.8834° West, 60.9503° North. Global date and time of event UTC/GMT: 12/09/18 / 2018-09-12 23:14:52 / September 12, 2018 @ 11:14 pm. The earthquake occurred at a depth of 49.7 km (31 miles) below the earth’s surface.

Closest city/cities/towns to epicentrum/hypocenter was Eagle River, Elmendorf Air Force Base, Kalifornsky (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Earthquake epicenter was 61 km (38 miles) from Anchorage (c. 291 800 pop), 82 km (51 miles) from Eagle River (c. 24 800 pop), 63 km (39 miles) from Kalifornsky (c. 7 900 pop), 48 km (30 miles) from Kenai (c. 7 100 pop), 75 km (47 miles) from Elmendorf Air Force Base (c. 6 600 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days fifty-four 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. Each year there are an estimated 130,000 minor quakes in the world.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. 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: 36 km NE of Nikiski, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -150.8834° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.9503° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 49.7 km Depth of the event in kilometers.
Place 36km NE of Nikiski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-09-12 23:14:52 Time when the event occurred. UTC/GMT
Updated 2018-09-12 23:18:59 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 168 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 0.59 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 ak20252378 Id of event.
Event Code 20252378 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20252378, A comma-separated list of event ids that are associated to an event.

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