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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 23 km W of Amatignak Island, Alaska

Posted by admin on May 1, 2016 0 Comments

Earthquake location 51.2568S, -179.4463WA light earthquake with magnitude 4.1 (ml/mb) was detected on Saturday, 23 km W of Amatignak Island, Alaska (14 miles). The 4.1-magnitude earthquake was detected at 11:24:28 / 11:24 am (local time epicenter). Exact location, longitude -179.4463° West, latitude 51.2568° North, depth = 25.8 km. The earthquake was roughly at a depth of 25.8 km (16 miles). Unique identifier: us20005j2a. Ids that are associated to the event: ak13461627, us20005j2a. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 16/04/16 / 2016-04-16 20:24:28 / April 16, 2016 @ 8:24 pm UTC/GMT.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days eleven, in the past 30 days thirteen and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 23 km W of Amatignak Island, Alaska. This information 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 -179.4463° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.2568° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.8 km Depth of the event in kilometers.
Place 23km W 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 2016-04-16 20:24:28 Time when the event occurred. UTC/GMT
Updated 2016-05-01 18:58:47 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 The maximum reported intensity for the event.
MMI 3 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 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 us20005j2a Id of event.
Event Code 20005j2a An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13461627,us20005j2a, A comma-separated list of event ids that are associated to an event.

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