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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 119 km SE of Cold Bay, Alaska



Earthquake location 54.3065S, -161.6469WA light earthquake with magnitude 4.3 (ml/mb) was reported 119 km SE of Cold Bay, Alaska (74 miles) on Wednesday. Global time and date of event 20/10/16 / 2016-10-20 07:59:31 / October 20, 2016 @ 7:59 am UTC/GMT. The temblor was picked up at 20:59:31 / 8:59 pm (local time epicenter). Id of earthquake: us20007fjg. Event ids that are associated: ak14250056, us20007fjg. The earthquake was roughly at a depth of 14.7 km (9 miles). Exact location of event, longitude -161.6469 West, latitude 54.3065 North, depth = 14.7 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days nine and in the last 365 days ninety-one earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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: 119 km SE of Cold Bay, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -161.6469° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.3065° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 14.7 km Depth of the event in kilometers.
Place 119km SE of Cold Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-10-20 07:59:31 Time when the event occurred. UTC/GMT
Updated 2016-11-09 11:52:55 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 1.9 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 284 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20007fjg Id of event.
Event Code 20007fjg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak14250056,us20007fjg, A comma-separated list of event ids that are associated to an event.

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