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Minor earthquake: M2.9 quake has struck near Chirik



Earthquake location 56.186S, -155.9904WA minor earthquake magnitude 2.9 (ml/mb) has occurred on Monday, 46 km NNW of Chirikof Island, Alaska (29 miles). Event id: ak15712386. Ids that are associated to the earthquake: ak15712386. Exact time and date of event in UTC/GMT: 10/04/17 / 2017-04-10 19:59:10 / April 10, 2017 @ 7:59 pm. The temblor was picked up at 09:59:10 / 9:59 am (local time epicenter). Exact location of earthquake, -155.9904° West, 56.186° North, depth 0 km. The earthquake occurred at a depth of 0 km (0 miles).

There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days one and in the last 365 days twenty-five 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.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 46 km NNW of Chirikof Island, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -155.9904° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.186° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 0 km Depth of the event in kilometers.
Place 46km NNW 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 2017-04-10 19:59:10 Time when the event occurred. UTC/GMT
Updated 2017-04-10 20:04:35 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 129 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 0.41 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 ak15712386 Id of event.
Event Code 15712386 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15712386, A comma-separated list of event ids that are associated to an event.

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