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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.7 mag was detected near Yunaska Island in Alaska

Posted by admin on August 14, 2015 0 Comments

Earthquake location 51.902S, -170.164WA minor earthquake with magnitude 3.7 (ml/mb) was reported 88 km SSE of Yunaska Island, Alaska (55 miles) on Thursday. Global time and date of event 23/07/15 / 2015-07-23 21:30:23 / July 23, 2015 @ 9:30 pm UTC/GMT. The epicenter of the earthquake was roughly 34 km (21 miles) below the earth’s surface. Exact location of earthquake, longitude -170.164 West, latitude 51.902 North, depth = 34 km. Unique identifier: us20002zr0. Ids that are associated to the event: ak11654097, us20002zr0. The temblor was detected at 10:30:23 / 10:30 am (local time epicenter).

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. In the past 24 hours, there have been one hundred and sixty-three, in the last 10 days one hundred and sixty-seven, in the past 30 days one hundred and seventy-eight and in the last 365 days two hundred and fifty-four earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 88 km SSE of Yunaska Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -170.164° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.902° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34 km Depth of the event in kilometers.
Place 88km SSE of Yunaska 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 2015-07-23 21:30:23 Time when the event occurred. UTC/GMT
Updated 2015-08-14 04:45:57 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 211 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.17 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 mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20002zr0 Id of event.
Event Code 20002zr0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11654097,us20002zr0, A comma-separated list of event ids that are associated to an event.

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