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Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.7 mag, 68 km SE of Atka, Alaska


Earthquake location 51.7567S, -173.5029WA minor earthquake magnitude 3.7 (ml/mb) strikes 68 km SE of Atka, Alaska (42 miles) on Tuesday. Date and time of earthquake in UTC/GMT: 31/03/20 / 2020-03-31 22:33:12 / March 31, 2020 @ 10:33 pm. Id of earthquake: us70008mtc. Event ids that are associated: us70008mtc. The earthquake was roughly at a depth of 36.72 km (23 miles). The temblor was detected at 10:33:12 / 10:33 am (local time epicenter). Exact location of earthquake, -173.5029° West, 51.7567° North, depth 36.72 km.

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

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 68 km SE of Atka, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.7 mb The magnitude for the event.
Longitude -173.5029° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.7567° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.72 km Depth of the event in kilometers.
Place 68km SE of Atka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-03-31 22:33:12 Time when the event occurred. UTC/GMT
Updated 2020-04-07 01:07:05 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 211 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 1.619 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 196 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 us70008mtc Id of event.
Event Code 70008mtc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008mtc, A comma-separated list of event ids that are associated to an event.

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