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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Akutan in Alaska

Posted by admin on February 2, 2021 0 Comments

Earthquake location 53.7813S, -164.0364WA light earthquake with magnitude 4.1 (ml/mb) was detected on Monday, 120 km ESE of Akutan, Alaska (75 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 11/01/21 / 2021-01-11 10:44:56 / January 11, 2021 @ 10:44 am. Exact location of event, longitude -164.0364 West, latitude 53.7813 North, depth = 26.4 km. Event id: ak021id4pcf. Ids that are associated to the earthquake: ak021id4pcf. The 4.1-magnitude earthquake was detected at 10:44:56 / 10:44 am (local time epicenter). The earthquake was roughly at a depth of 26.4 km (16 miles).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been eight, in the last 10 days eleven, in the past 30 days twenty-two and in the last 365 days one hundred and fourty-seven earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

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. 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: 120 km ESE of Akutan, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -164.0364° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 53.7813° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 26.4 km Depth of the event in kilometers.
Place 120 km ESE of Akutan, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2021-01-11 10:44:56 Time when the event occurred. UTC/GMT
Updated 2021-02-02 19:50:34 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 259 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 0.91 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 ak021id4pcf Id of event.
Event Code 021id4pcf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak021id4pcf, A comma-separated list of event ids that are associated to an event.

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