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Minor earthquake, 2.9 mag has occurred near Middleton Island in Alaska

Earthquake location 57.0656S, -145.5374WA minor earthquake magnitude 2.9 (ml/mb) strikes 268 km S of Middleton Island, Alaska (167 miles) on Tuesday. Event ids that are associated to the earthquake: ak18694377, us1000d402. Id of event: us1000d402. Exact location of event, depth 17.77 km, -145.5374° West, 57.0656° North. The temblor was reported at 23:13:59 / 11:13 pm (local time epicenter). Exact time and date of event in UTC/GMT: 07/03/18 / 2018-03-07 09:13:59 / March 7, 2018 @ 9:13 am. The earthquake was roughly at a depth of 17.77 km (11 miles).

There are an estimated 130,000 minor quakes in the world each year. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage.

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 268 km S of Middleton Island, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -145.5374° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.0656° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.77 km Depth of the event in kilometers.
Place 268km S of Middleton 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 2018-03-07 09:13:59 Time when the event occurred. UTC/GMT
Updated 2018-04-04 07:46:06 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 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 2.929 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 202 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 us1000d402 Id of event.
Event Code 1000d402 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18694377,us1000d402, A comma-separated list of event ids that are associated to an event.

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