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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.8 mag, 106 km SE of Yunaska Island, Alaska

Posted by admin on August 30, 2015 0 Comments

Earthquake location 51.9994S, -169.5263WA minor earthquake with magnitude 3.8 (ml/mb) was detected on Saturday, 106 km SE of Yunaska Island, Alaska (66 miles). The temblor was reported at 11:19:57 / 11:19 am (local time epicenter). Exact location, longitude -169.5263° West, latitude 51.9994° North, depth = 25.07 km. All ids that are associated to the event: ak11667237, us10002xl4. Unique identifier: us10002xl4. Date and time of earthquake in UTC/GMT: 01/08/15 / 2015-08-01 22:19:57 / August 1, 2015 @ 10:19 pm. The earthquake was roughly at a depth of 25.07 km (16 miles).

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

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. 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: 106 km SE of Yunaska Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude -169.5263° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.9994° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.07 km Depth of the event in kilometers.
Place 106km SE 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 2015-08-01 22:19:57 Time when the event occurred. UTC/GMT
Updated 2015-08-30 04:39:11 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 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 0.797 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 141 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 us10002xl4 Id of event.
Event Code 10002xl4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11667237,us10002xl4, A comma-separated list of event ids that are associated to an event.

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