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Minor earthquake 3 mag, 2 km W of Diamond Ridge, Alaska

Earthquake location 59.6735S, -151.6WA minor earthquake with magnitude 3 (ml/mb) was reported 2 kilometers (1 miles) from Diamond Ridge in Alaska on Saturday. The 3-magnitude earthquake has occurred at 03:51:35 / 3:51 am (local time epicenter). The earthquake was roughly at a depth of 33.2 km (21 miles). Exact location of earthquake, longitude -151.6 West, latitude 59.6735 North, depth = 33.2 km. Event id: ak18208756. Ids that are associated to the earthquake: ak18208756. Global date and time of event UTC/GMT: 27/01/18 / 2018-01-27 12:51:35 / January 27, 2018 @ 12:51 pm.

The epicenter was 4 km (3 miles) from Homer (c. 5 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Homer (min 5000 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days ninety-seven earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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: 2 km W of Diamond Ridge, Alaska.

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More information

Parameter Value Description
Magnitude 3 mb The magnitude for the event.
Longitude -151.6° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 59.6735° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.2 km Depth of the event in kilometers.
Place 2km W of Diamond Ridge, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-01-27 12:51:35 Time when the event occurred. UTC/GMT
Updated 2018-01-27 12:55:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 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 138 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 0.78 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 ak18208756 Id of event.
Event Code 18208756 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18208756, A comma-separated list of event ids that are associated to an event.

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