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Minor earthquake, 2.9 mag was detected near Tanaga Volcano in Alaska

Earthquake location 52.1292S, -178.5835WA minor earthquake magnitude 2.9 (ml/mb) has occurred on Tuesday, 40 km NW of Tanaga Volcano, Alaska (25 miles). Global date and time of event UTC/GMT: 11/03/20 / 2020-03-11 11:12:27 / March 11, 2020 @ 11:12 am. The temblor was picked up at 23:12:27 / 11:12 pm (local time epicenter). Unique identifier: us70008i1b. Ids that are associated to the event: ak02039ls1gq, us70008i1b. The epicenter of the earthquake was roughly 174.92 km (109 miles) below the earth’s surface. Exact location of event, longitude -178.5835 West, latitude 52.1292 North, depth = 174.92 km.

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

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 40 km NW of Tanaga Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -178.5835° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.1292° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 174.92 km Depth of the event in kilometers.
Place 40km NW of Tanaga Volcano, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-03-11 11:12:27 Time when the event occurred. UTC/GMT
Updated 2020-04-09 10:44:13 Time when the event was most recently updated. UTC/GMT
Timezone offset -720 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 129 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 0.334 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.25 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 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 us70008i1b Id of event.
Event Code 70008i1b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02039ls1gq,us70008i1b, A comma-separated list of event ids that are associated to an event.

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