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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.8 mag was detected near Semisopochnoi Island in Alaska



Earthquake location 51.6621S, -179.9835WA minor earthquake with magnitude 3.8 (ml/mb) was reported 43 km SE of Semisopochnoi Island, Alaska (27 miles) on Saturday. Exact location of earthquake, -179.9835° West, 51.6621° North, depth 88.92 km. Unique identifier: us10008vqj. Ids that are associated to the event: ak15958656, us10008vqj. Exact time and date of event in UTC/GMT: 07/05/17 / 2017-05-07 11:00:31 / May 7, 2017 @ 11:00 am. The temblor was picked up at 23:00:31 / 11:00 pm (local time epicenter). The epicenter of the earthquake was roughly 88.92 km (55 miles) below the earth’s surface.

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. In the past 24 hours, there have been three hundred and eighty-four, in the last 10 days four hundred and thirty-eight, in the past 30 days four hundred and fourty-one and in the last 365 days four hundred and ninety-one earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city 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: 43 km SE of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude -179.9835° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6621° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 88.92 km Depth of the event in kilometers.
Place 43km SE of Semisopochnoi 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 2017-05-07 11:00:31 Time when the event occurred. UTC/GMT
Updated 2017-06-02 06:42:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 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 0.32 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 155 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 us10008vqj Id of event.
Event Code 10008vqj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15958656,us10008vqj, A comma-separated list of event ids that are associated to an event.

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