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Minor earthquake 3.2 mag, 254 km SE of Kodiak, Alaska


Earthquake location 56.0123S, -149.7831WA minor earthquake magnitude 3.2 (ml/mb) strikes 254 km SE of Kodiak, Alaska (158 miles) on Tuesday. All ids that are associated to the event: ak20305135. Unique identifier: ak20305135. Exact time and date of earthquake 30/10/18 / 2018-10-30 16:41:22 / October 30, 2018 @ 4:41 pm UTC/GMT. Exact location, longitude -149.7831° West, latitude 56.0123° North, depth = 11.7 km. The 3.2-magnitude earthquake was detected at 06:41:22 / 6:41 am (local time epicenter). The epicenter of the earthquake was roughly 11.7 km (7 miles) below the earth’s surface.

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been thirteen, in the last 10 days thirty, in the past 30 days seventy-seven and in the last 365 days four thousand and two 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.

Questions or comments?

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: 254 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.2 mb The magnitude for the event.
Longitude -149.7831° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.0123° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.7 km Depth of the event in kilometers.
Place 254km SE of Kodiak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-30 16:41:22 Time when the event occurred. UTC/GMT
Updated 2018-11-08 02:07:31 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 0.82 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 ak20305135 Id of event.
Event Code 20305135 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20305135, A comma-separated list of event ids that are associated to an event.

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