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Light earthquake, 4.1 mag strikes near Tanaga Volcano in Alaska

Posted by admin on January 23, 2020 0 Comments

Earthquake location 51.7746S, -177.8813WA light earthquake with magnitude 4.1 (ml/mb) was reported 21 km SE of Tanaga Volcano, Alaska (13 miles) on Wednesday. The 4.1-magnitude earthquake was detected at 20:49:42 / 8:49 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -177.8813° West, latitude 51.7746° North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles). All ids that are associated to the event: us60007dm6. Unique identifier: us60007dm6. Global date and time of event UTC/GMT: 23/01/20 / 2020-01-23 06:49:42 / January 23, 2020 @ 6:49 am.

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days ten, in the past 30 days twenty-three and in the last 365 days one hundred and sixty-six earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

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. 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: 21 km SE of Tanaga Volcano, Alaska.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -177.8813° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7746° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 21km SE 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 2020-01-23 06:49:42 Time when the event occurred. UTC/GMT
Updated 2020-01-23 07:32:47 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 259 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 ,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 0.458 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.06 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 177 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us60007dm6 Id of event.
Event Code 60007dm6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60007dm6, A comma-separated list of event ids that are associated to an event.

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