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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.8 mag has occurred near Little Sitkin Island in Alaska

Posted by admin on May 10, 2016 0 Comments

Earthquake location 52.0772S, 178.4507WA minor earthquake magnitude 3.8 (ml/mb) has occurred on Thursday, 14 km NNW of Little Sitkin Island, Alaska (9 miles). Global date and time of event UTC/GMT: 21/04/16 / 2016-04-21 23:29:42 / April 21, 2016 @ 11:29 pm. Exact location of event, depth 91.05 km, 178.4507° East, 52.0772° North. The 3.8-magnitude earthquake has occurred at 14:29:42 / 2:29 pm (local time epicenter). Unique identifier: us10005c0d. Ids that are associated to the event: ak13490110, us10005c0d. The epicenter of the earthquake was roughly 91.05 km (57 miles) below the earth’s surface.

In the past 24 hours, there have been six, in the last 10 days eight, in the past 30 days thirteen and in the last 365 days one hundred and twenty-one earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 14 km NNW of Little Sitkin Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude 178.4507° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0772° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 91.05 km Depth of the event in kilometers.
Place 14km NNW of Little Sitkin 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 2016-04-21 23:29:42 Time when the event occurred. UTC/GMT
Updated 2016-05-10 04:46:25 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 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 222 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 2.729 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 193 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 us10005c0d Id of event.
Event Code 10005c0d An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13490110,us10005c0d, A comma-separated list of event ids that are associated to an event.

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