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Minor earthquake 3.3 mag, 129 km SE of Perryville, Alaska

Earthquake location 55.0049S, -157.8547WA minor earthquake with magnitude 3.3 (ml/mb) was detected on Monday, 129 km SE of Perryville, Alaska (80 miles). The earthquake occurred at a depth of 21.7 km (13 miles) below the earth’s surface. The 3.3-magnitude earthquake has occurred at 07:57:42 / 7:57 am (local time epicenter). Id of earthquake: ak020eff9bhk. Event ids that are associated: ak020eff9bhk. Global time and date of event 09/11/20 / 2020-11-09 07:57:42 / November 9, 2020 @ 7:57 am UTC/GMT. Exact location of earthquake, -157.8547° West, 55.0049° North, depth 21.7 km.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days eight, in the past 30 days twenty-five and in the last 365 days one hundred and eighty-three 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.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 129 km SE of Perryville, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -157.8547° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.0049° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 21.7 km Depth of the event in kilometers.
Place 129 km SE of Perryville, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-11-09 07:57:42 Time when the event occurred. UTC/GMT
Updated 2020-11-09 16:56:32 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 reviewed 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 0.92 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 ak020eff9bhk Id of event.
Event Code 020eff9bhk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak020eff9bhk, A comma-separated list of event ids that are associated to an event.

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