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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 45 km SSE of False Pass, Alaska

Earthquake location 54.4646S, -163.1716WA light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, 45 km SSE of False Pass, Alaska (28 miles). The earthquake occurred at a depth of 11.68 km (7 miles). The 4.1-magnitude earthquake has occurred at 08:29:03 / 8:29 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: ak15643555, us10008f8z. Id of event: us10008f8z. Exact location of earthquake, longitude -163.1716 West, latitude 54.4646 North, depth = 11.68 km. Exact time and date of event in UTC/GMT: 27/03/17 / 2017-03-27 17:29:03 / March 27, 2017 @ 5:29 pm.

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 five, in the last 10 days six, in the past 30 days eleven and in the last 365 days one hundred and fourty-five earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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: 45 km SSE of False Pass, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -163.1716° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4646° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.68 km Depth of the event in kilometers.
Place 45km SSE of False Pass, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-27 17:29:03 Time when the event occurred. UTC/GMT
Updated 2017-04-18 21:39:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 2.04 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 0.417 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 189 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 us10008f8z Id of event.
Event Code 10008f8z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15643555,us10008f8z, A comma-separated list of event ids that are associated to an event.

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