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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.6 mag, 251 km SE of Kodiak, Alaska

Posted by admin on February 17, 2018 0 Comments

Earthquake location 56.0891S, -149.6767WA minor earthquake with magnitude 3.6 (ml/mb) was reported 251 km SE of Kodiak, Alaska (156 miles) on Tuesday. Exact location of event, depth 20.02 km, -149.6767° West, 56.0891° North. Date and time of earthquake in UTC/GMT: 23/01/18 / 2018-01-23 19:18:04 / January 23, 2018 @ 7:18 pm. The earthquake occurred at a depth of 20.02 km (12 miles) below the earth’s surface. Event id: us2000cr1t. Ids that are associated to the earthquake: ak18231878, us2000cr1t. The 3.6-magnitude earthquake was detected at 09:18:04 / 9:18 am (local time epicenter).

There are an estimated 130,000 minor quakes in the world each year. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one thousand, seven hundred and thirty-one, in the last 10 days one thousand, seven hundred and thirty-one, in the past 30 days one thousand, seven hundred and thirty-one and in the last 365 days one thousand, seven hundred and thirty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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: 251 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 3.6 mb The magnitude for the event.
Longitude -149.6767° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.0891° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.02 km Depth of the event in kilometers.
Place 251km 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 2018-01-23 19:18:04 Time when the event occurred. UTC/GMT
Updated 2018-02-17 16:32:49 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 199 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 2.294 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 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 us2000cr1t Id of event.
Event Code 2000cr1t An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18231878,us2000cr1t, A comma-separated list of event ids that are associated to an event.

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