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Minor earthquake, 3.1 mag strikes near Chirik


Earthquake location 54.7539S, -156.8852WA minor earthquake magnitude 3.1 (ml/mb) has occurred on Thursday, 143 km SW of Chirikof Island, Alaska (89 miles). Exact location of event, depth 0 km, -156.8852° West, 54.7539° North. The temblor was reported at 08:11:04 / 8:11 am (local time epicenter). Id of earthquake: ak0206j53g7f. Event ids that are associated: ak0206j53g7f. The epicenter was at a depth of 0 km (0 miles). Global time and date of event 21/05/20 / 2020-05-21 18:11:04 / May 21, 2020 @ 6:11 pm UTC/GMT.

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. In the past 24 hours, there have been three, in the last 10 days five, in the past 30 days five and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 143 km SW of Chirikof Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -156.8852° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.7539° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0 km Depth of the event in kilometers.
Place 143km SW of Chirikof Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-05-21 18:11:04 Time when the event occurred. UTC/GMT
Updated 2020-05-21 18:20:13 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 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 0.89 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 ak0206j53g7f Id of event.
Event Code 0206j53g7f An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0206j53g7f, A comma-separated list of event ids that are associated to an event.

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