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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Amatignak Island in Alaska



Earthquake location 50.9384S, -178.1165WA light earthquake with magnitude 4.1 (ml/mb) was reported 78 km ESE of Amatignak Island, Alaska (48 miles) on Monday. The epicenter was at a depth of 37.67 km (23 miles). Event ids that are associated to the earthquake: ak15215790, us20008hyq. Id of event: us20008hyq. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 06/02/17 / 2017-02-06 18:10:21 / February 6, 2017 @ 6:10 pm. Exact location, longitude -178.1165° West, latitude 50.9384° North, depth = 37.67 km. The temblor was detected at 06:10:21 / 6:10 am (local time epicenter).

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 six, in the last 10 days seven, in the past 30 days thirty-four and in the last 365 days one hundred and twenty-eight earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 78 km ESE of Amatignak Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -178.1165° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9384° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37.67 km Depth of the event in kilometers.
Place 78km ESE of Amatignak 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 2017-02-06 18:10:21 Time when the event occurred. UTC/GMT
Updated 2017-02-28 17:53:48 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 259 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 1.096 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 223 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 us20008hyq Id of event.
Event Code 20008hyq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15215790,us20008hyq, A comma-separated list of event ids that are associated to an event.

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