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Minor earthquake, 2.8 mag strikes near Cold Bay in Alaska


Earthquake location 54.1789S, -161.9069WA minor earthquake with magnitude 2.8 (ml/mb) was reported 123 km SSE of Cold Bay, Alaska (76 miles) on Monday. Unique identifier: us2000gbv4. Ids that are associated to the event: ak19963306, us2000gbv4. Exact location of earthquake, longitude -161.9069 West, latitude 54.1789 North, depth = 24.48 km. Global time and date of event 23/07/18 / 2018-07-23 14:44:14 / July 23, 2018 @ 2:44 pm UTC/GMT. The 2.8-magnitude earthquake was detected at 03:44:14 / 3:44 am (local time epicenter). The epicenter of the earthquake was roughly 24.48 km (15 miles) below the earth’s surface.

Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. 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 twelve, in the past 30 days twenty and in the last 365 days one hundred and twenty-six earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 123 km SSE of Cold Bay, Alaska.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -161.9069° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.1789° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.48 km Depth of the event in kilometers.
Place 123km SSE of Cold Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-07-23 14:44:14 Time when the event occurred. UTC/GMT
Updated 2018-07-23 17:15:58 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 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 1.112 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 231 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 us2000gbv4 Id of event.
Event Code 2000gbv4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak19963306,us2000gbv4, A comma-separated list of event ids that are associated to an event.

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