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Minor earthquake, 3.3 mag was detected near Chignik Lake in Alaska



Earthquake location 55.5237S, -158.8197WA minor earthquake magnitude 3.3 (ml/mb) has occurred on Thursday, 81 km S of Chignik Lake, Alaska (50 miles). The earthquake occurred at a depth of 61.63 km (38 miles). The 3.3-magnitude earthquake has occurred at 17:02:32 / 5:02 pm (local time epicenter). Event id: us100088y1. Ids that are associated to the earthquake: ak15456278, us100088y1. Exact time and date of earthquake 10/03/17 / 2017-03-10 04:02:32 / March 10, 2017 @ 4:02 am UTC/GMT. Exact location, longitude -158.8197° West, latitude 55.5237° North, depth = 61.63 km.

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

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. 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: 81 km S of Chignik Lake, Alaska.

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More information

Parameter Value Description
Magnitude 3.3 mb The magnitude for the event.
Longitude -158.8197° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.5237° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 61.63 km Depth of the event in kilometers.
Place 81km S of Chignik Lake, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-10 04:02:32 Time when the event occurred. UTC/GMT
Updated 2017-04-01 23:17:32 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, 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 0.812 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 194 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 us100088y1 Id of event.
Event Code 100088y1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15456278,us100088y1, A comma-separated list of event ids that are associated to an event.

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