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Minor earthquake, 3.2 mag was detected near Little Sitkin Island in Alaska

Earthquake location 51.784S, 178.461WA minor earthquake with magnitude 3.2 (ml/mb) was detected on Saturday, 18 km S of Little Sitkin Island, Alaska (11 miles). Event id: ak11741774. Ids that are associated to the earthquake: ak11741774. The 3.2-magnitude earthquake has occurred at 09:24:12 / 9:24 am (local time epicenter). Exact location, longitude 178.461° East, latitude 51.784° North, depth = 108.7 km. The earthquake was roughly at a depth of 108.7 km (68 miles). Global time and date of event 17/10/15 / 2015-10-17 18:24:12 / October 17, 2015 @ 6:24 pm UTC/GMT.

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

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 18 km S of Little Sitkin Island, Alaska.

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More information

Parameter Value Description
Magnitude 3.2 mb The magnitude for the event.
Longitude 178.461° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.784° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 108.7 km Depth of the event in kilometers.
Place 18km S of Little Sitkin 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 2015-10-17 18:24:12 Time when the event occurred. UTC/GMT
Updated 2015-10-17 19:58:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 158 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 0.62 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 ak11741774 Id of event.
Event Code 11741774 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak11741774, A comma-separated list of event ids that are associated to an event.

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