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Minor earthquake: M3.3 quake has struck near Ninilchik in Alaska

Earthquake location 60.2397S, -152.5911WA minor earthquake magnitude 3.3 (ml/mb) strikes 55 kilometers (34 miles) from Ninilchik in Alaska on Tuesday. The epicenter of the earthquake was roughly 105.4 km (65 miles) below the earth’s surface. Exact location, longitude -152.5911° West, latitude 60.2397° North, depth = 105.4 km. The 3.3-magnitude earthquake has occurred at 08:16:07 / 8:16 am (local time epicenter). Global time and date of event 09/02/21 / 2021-02-09 08:16:07 / February 9, 2021 @ 8:16 am UTC/GMT. Event ids that are associated to the earthquake: ak0211uacsle. Id of event: ak0211uacsle.

The epicenter was 74 km (46 miles) from Kalifornsky (c. 7 900 pop), 81 km (50 miles) from Kenai (c. 7 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Kenai, Kalifornsky (min 5000 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

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

How would you describe the shaking?

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: 55 km WNW of Ninilchik, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -152.5911° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.2397° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 105.4 km Depth of the event in kilometers.
Place 55 km WNW of Ninilchik, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-02-09 08:16:07 Time when the event occurred. UTC/GMT
Updated 2021-02-09 08:23:15 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 0.53 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 ak0211uacsle Id of event.
Event Code 0211uacsle An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0211uacsle, A comma-separated list of event ids that are associated to an event.

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