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Minor earthquake, 3.1 mag strikes near Kodiak in Alaska

Earthquake location 56.6043S, -148.61WA minor earthquake with magnitude 3.1 (ml/mb) was reported 264 km ESE of Kodiak, Alaska (164 miles) on Wednesday. All ids that are associated to the event: ak18486060, us2000d6h9. Unique identifier: us2000d6h9. Date and time of earthquake in UTC/GMT: 22/02/18 / 2018-02-22 08:46:16 / February 22, 2018 @ 8:46 am. The temblor was reported at 22:46:16 / 10:46 pm (local time epicenter). The earthquake occurred at a depth of 20.88 km (13 miles) below the earth’s surface. Exact location of earthquake, longitude -148.61 West, latitude 56.6043 North, depth = 20.88 km.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. In the past 24 hours, there have been two hundred and five, in the last 10 days four hundred and fourty-two, in the past 30 days two thousand, one hundred and sixty-six and in the last 365 days two thousand, one hundred and seventy earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 264 km ESE of Kodiak, Alaska. This data 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 -148.61° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.6043° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.88 km Depth of the event in kilometers.
Place 264km ESE 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 2018-02-22 08:46:16 Time when the event occurred. UTC/GMT
Updated 2018-03-11 11:40:36 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 148 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak,us, 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 2.464 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 209 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 us2000d6h9 Id of event.
Event Code 2000d6h9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18486060,us2000d6h9, A comma-separated list of event ids that are associated to an event.

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