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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Amatignak Island in Alaska

Posted by admin on January 28, 2020 0 Comments

Earthquake location 50.9327S, -179.9075WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 66 km WSW of Amatignak Island, Alaska (41 miles). The 4-magnitude earthquake has occurred at 18:22:28 / 6:22 pm (local time epicenter). Exact location of event, longitude -179.9075 West, latitude 50.9327 North, depth = 33.64 km. Event ids that are associated to the earthquake: ak02010hj069, us60007cmm. Id of event: us60007cmm. Exact time and date of earthquake 22/01/20 / 2020-01-22 06:22:28 / January 22, 2020 @ 6:22 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 33.64 km (21 miles) below the earth’s surface.

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

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: 66 km WSW of Amatignak Island, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -179.9075° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9327° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.64 km Depth of the event in kilometers.
Place 66km WSW of Amatignak Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-01-22 06:22:28 Time when the event occurred. UTC/GMT
Updated 2020-01-28 14:04:16 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 246 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 0.668 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.12 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 229 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 us60007cmm Id of event.
Event Code 60007cmm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak02010hj069,us60007cmm, A comma-separated list of event ids that are associated to an event.

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