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Light earthquake: M4.2 quake has struck near Amatignak Island in Alaska

Posted by admin on March 11, 2019 0 Comments

Earthquake location 51.3069S, -178.4881WA light earthquake magnitude 4.2 (ml/mb) has struck on Monday, 43 km E of Amatignak Island, Alaska (27 miles). Date and time of earthquake in UTC/GMT: 11/03/19 / 2019-03-11 15:48:49 / March 11, 2019 @ 3:48 pm. The temblor was picked up at 05:48:49 / 5:48 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: ak019380u6zq. Id of event: ak019380u6zq. Exact location, longitude -178.4881° West, latitude 51.3069° North, depth = 35.8 km. The epicenter was at a depth of 35.8 km (22 miles).

Every year there are an estimated 13,000 light earthquakes in the world. 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 eight and in the last 365 days one hundred and sixty earthquakes of magnitude 3.0 or greater that has occurred nearby.

Questions or comments?

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. 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: 43 km E of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -178.4881° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.3069° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.8 km Depth of the event in kilometers.
Place 43km E 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 2019-03-11 15:48:49 Time when the event occurred. UTC/GMT
Updated 2019-03-11 16:19:19 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 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 271 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 0.36 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 ak019380u6zq Id of event.
Event Code 019380u6zq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak019380u6zq, A comma-separated list of event ids that are associated to an event.

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