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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag has occurred near Chirik



Earthquake location 56.1784S, -154.4121WA minor earthquake magnitude 3.9 (ml/mb) strikes 85 km ENE of Chirikof Island, Alaska (53 miles) on Thursday. All ids that are associated to the event: ak15190765. Unique identifier: ak15190765. The temblor was detected at 03:21:43 / 3:21 am (local time epicenter). The earthquake was roughly at a depth of 20.3 km (13 miles). Exact location of event, depth 20.3 km, -154.4121° West, 56.1784° North. Global time and date of event 02/02/17 / 2017-02-02 13:21:43 / February 2, 2017 @ 1:21 pm UTC/GMT.

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 one, in the past 30 days two and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 85 km ENE of Chirikof Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -154.4121° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1784° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.3 km Depth of the event in kilometers.
Place 85km ENE 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 2017-02-02 13:21:43 Time when the event occurred. UTC/GMT
Updated 2017-02-02 13:39:20 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 1.96 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 234 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 0.76 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 ak15190765 Id of event.
Event Code 15190765 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15190765, A comma-separated list of event ids that are associated to an event.

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