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Minor earthquake, 3.1 mag strikes near Cohoe in Alaska

Earthquake location 60.2053S, -151.8404WA minor earthquake magnitude 3.1 (ml/mb) has struck on Tuesday, 34 kilometers (21 miles) from Cohoe in Alaska. Exact location of earthquake, -151.8404° West, 60.2053° North, depth 62.2 km. The earthquake occurred at a depth of 62.2 km (39 miles) below the earth’s surface. Event ids that are associated to the earthquake: ak20498433. Id of event: ak20498433. The temblor was reported at 08:15:59 / 8:15 am (local time epicenter). Global date and time of event UTC/GMT: 11/12/18 / 2018-12-11 18:15:59 / December 11, 2018 @ 6:15 pm.

Event epicenter was 38 km (24 miles) from Kalifornsky (c. 7 900 pop), 50 km (31 miles) from Kenai (c. 7 100 pop), 70 km (43 miles) from Sterling (c. 5 600 pop), 65 km (40 miles) from Homer (c. 5 000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Sterling, Homer, Kenai (min 5000 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 four, in the past 30 days nine and in the last 365 days sixty-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 it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 34 km WSW of Cohoe, Alaska.

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More information

Parameter Value Description
Magnitude 3.1 mb The magnitude for the event.
Longitude -151.8404° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 60.2053° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62.2 km Depth of the event in kilometers.
Place 34km WSW of Cohoe, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-11 18:15:59 Time when the event occurred. UTC/GMT
Updated 2018-12-11 18:23:32 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2 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 0.61 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 ak20498433 Id of event.
Event Code 20498433 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak20498433, A comma-separated list of event ids that are associated to an event.

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