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Minor earthquake: M2.8 quake has struck near Adak in Alaska

Earthquake location 50.9324S, -177.1276WA minor earthquake with magnitude 2.8 (ml/mb) was detected on Saturday, 110 km SSW of Adak, Alaska (68 miles). Global date and time of event UTC/GMT: 25/05/19 / 2019-05-25 14:21:01 / May 25, 2019 @ 2:21 pm. Exact location of earthquake, longitude -177.1276 West, latitude 50.9324 North, depth = 31.07 km. Event ids that are associated to the earthquake: ak0196o1dw9v, us6000410q. Id of event: us6000410q. The temblor was reported at 02:21:01 / 2:21 am (local time epicenter). The earthquake was roughly at a depth of 31.07 km (19 miles).

Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been one, in the last 10 days eight, in the past 30 days seventeen and in the last 365 days one hundred and seventy-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 110 km SSW of Adak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -177.1276° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 50.9324° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.07 km Depth of the event in kilometers.
Place 110km SSW of Adak, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-05-25 14:21:01 Time when the event occurred. UTC/GMT
Updated 2019-06-23 15:39:32 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 121 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 0.921 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 281 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 us6000410q Id of event.
Event Code 6000410q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0196o1dw9v,us6000410q, A comma-separated list of event ids that are associated to an event.

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