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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.5 mag, 76 km SE of Adak, Alaska


Earthquake location 51.4265S, -175.8305WA minor earthquake with magnitude 3.5 (ml/mb) was detected on Friday, 76 km SE of Adak, Alaska (47 miles). Date and time of earthquake in UTC/GMT: 02/04/16 / 2016-04-02 04:27:32 / April 2, 2016 @ 4:27 am. The epicenter of the earthquake was roughly 27.5 km (17 miles) below the earth’s surface. Exact location of event, longitude -175.8305 West, latitude 51.4265 North, depth = 27.5 km. The 3.5-magnitude earthquake has occurred at 16:27:32 / 4:27 pm (local time epicenter). Event ids that are associated to the earthquake: ak13225261. Id of event: ak13225261.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days twenty-one and in the last 365 days two hundred and eleven earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 130,000 minor quakes in the world each year.

Did you feel the quake?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 76 km SE of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 3.5 mb The magnitude for the event.
Longitude -175.8305° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4265° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.5 km Depth of the event in kilometers.
Place 76km SE of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-02 04:27:32 Time when the event occurred. UTC/GMT
Updated 2016-04-11 21:02:56 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 188 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 0.55 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 ak13225261 Id of event.
Event Code 13225261 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak13225261, A comma-separated list of event ids that are associated to an event.

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