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Minor earthquake, 3.1 mag strikes near Nikiski in Alaska


Earthquake location 60.9658S, -151.365WA minor earthquake magnitude 3.1 (ml/mb) strikes 30 kilometers (19 miles) from Nikiski in Alaska on Sunday. Exact time and date of earthquake 03/08/15 / 2015-08-03 00:44:47 / August 3, 2015 @ 12:44 am UTC/GMT. Event id: ak11668047. Ids that are associated to the earthquake: ak11668047. Exact location of event, depth 53.2 km, -151.365° West, 60.9658° North. The temblor was reported at 16:44:47 / 4:44 pm (local time epicenter). The earthquake was roughly at a depth of 53.2 km (33 miles).

Close country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Kalifornsky, Sterling, Kenai (min 5000 pop). Earthquake epicenter was 61 km (38 miles) from Kalifornsky (c. 7 900 pop), 46 km (29 miles) from Kenai (c. 7 100 pop), 58 km (36 miles) from Sterling (c. 5 600 pop).

In the past 24 hours, there have been two, in the last 10 days seven, in the past 30 days nine and in the last 365 days ninety earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 30 km N of Nikiski, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -151.365° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.9658° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53.2 km Depth of the event in kilometers.
Place 30km N 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 2015-08-03 00:44:47 Time when the event occurred. UTC/GMT
Updated 2015-08-03 17:36:08 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 88 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.2227822 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 28.799997696 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 ak11668047 Id of event.
Event Code 11668047 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11668047, A comma-separated list of event ids that are associated to an event.

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