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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.8 mag has occurred near Semisopochnoi Island in Alaska


Earthquake location 51.6468S, 179.0698WA minor earthquake with magnitude 3.8 (ml/mb) was reported 49 km SW of Semisopochnoi Island, Alaska (30 miles) on Wednesday. Date and time of earthquake in UTC/GMT: 02/04/20 / 2020-04-02 04:38:45 / April 2, 2020 @ 4:38 am. Exact location of earthquake, longitude 179.0698 East, latitude 51.6468 North, depth = 78.7 km. The earthquake occurred at a depth of 78.7 km (49 miles). Unique identifier: ak02049vl909. Ids that are associated to the event: ak02049vl909. The temblor was detected at 18:38:45 / 6:38 pm (local time epicenter).

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 one, in the past 30 days eight and in the last 365 days one hundred and six earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

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: 49 km SW of Semisopochnoi Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude 179.0698° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.6468° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 78.7 km Depth of the event in kilometers.
Place 49km SW 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 2020-04-02 04:38:45 Time when the event occurred. UTC/GMT
Updated 2020-04-02 17:04:51 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 222 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 0.46 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 ak02049vl909 Id of event.
Event Code 02049vl909 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02049vl909, A comma-separated list of event ids that are associated to an event.

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