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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.6 mag was detected near Amatignak Island in Alaska


Earthquake location 51.4134S, -178.4001WA minor earthquake with magnitude 3.6 (ml/mb) was reported 52 km ENE of Amatignak Island, Alaska (32 miles) on Thursday. The earthquake occurred at a depth of 3.34 km (2 miles) below the earth’s surface. The temblor was picked up at 04:25:22 / 4:25 am (local time epicenter). Exact location of event, longitude -178.4001 West, latitude 51.4134 North, depth = 3.34 km. Global date and time of event UTC/GMT: 09/08/18 / 2018-08-09 14:25:22 / August 9, 2018 @ 2:25 pm. Unique identifier: us1000gaqy. Ids that are associated to the event: ak20039902, us1000gaqy.

In the past 24 hours, there have been eighteen, in the last 10 days twenty-six, in the past 30 days thirty-five and in the last 365 days two hundred and twenty-eight earthquakes of magnitude 3.0 or greater that has struck near. Each 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.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 52 km ENE of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.6 mb The magnitude for the event.
Longitude -178.4001° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.4134° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.34 km Depth of the event in kilometers.
Place 52km ENE 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 2018-08-09 14:25:22 Time when the event occurred. UTC/GMT
Updated 2018-08-26 13:41:33 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 199 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 0.428 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us1000gaqy Id of event.
Event Code 1000gaqy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20039902,us1000gaqy, A comma-separated list of event ids that are associated to an event.

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