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Minor earthquake 3.1 mag, 58 km NNW of Nikiski, Alaska

Posted by admin on September 16, 2015 0 Comments

Earthquake location 61.2044S, -151.52WA minor earthquake with magnitude 3.1 (ml/mb) was detected on Wednesday, 58 kilometers (36 miles) from Nikiski in Alaska. Id of earthquake: ak11703292. Event ids that are associated: ak11703292. Exact location of earthquake, longitude -151.52 West, latitude 61.2044 North, depth = 70.3 km. The epicenter was at a depth of 70.3 km (44 miles). The temblor was picked up at 01:06:57 / 1:06 am (local time epicenter). Date and time of earthquake in UTC/GMT: 16/09/15 / 2015-09-16 09:06:57 / September 16, 2015 @ 9:06 am.

Nearest cities/city/towns to hypocenter/epicentrum was Kenai (min 5000 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the event was 74 km (46 miles) from Kenai (c. 7 100 pop).

Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

Did you feel anything?

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: 58 km NNW of Nikiski, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -151.52° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 61.2044° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 70.3 km Depth of the event in kilometers.
Place 58km NNW of Nikiski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-09-16 09:06:57 Time when the event occurred. UTC/GMT
Updated 2015-09-16 09:30:15 Time when the event was most recently updated. UTC/GMT
Timezone offset -480 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 automatic 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 148 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 0.68 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 ak11703292 Id of event.
Event Code 11703292 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11703292, A comma-separated list of event ids that are associated to an event.

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