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Minor earthquake, 2.9 mag strikes near Adak in Alaska


Earthquake location 51.5375S, -178.5051WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Sunday, 134 km WSW of Adak, Alaska (83 miles). The temblor was picked up at 08:40:07 / 8:40 am (local time epicenter). Global date and time of event UTC/GMT: 03/05/20 / 2020-05-03 18:40:07 / May 3, 2020 @ 6:40 pm. The epicenter of the earthquake was roughly 70.47 km (44 miles) below the earth’s surface. Unique identifier: us70009ld4. Ids that are associated to the event: ak0205pdlfc4, us70009ld4. Exact location of event, longitude -178.5051 West, latitude 51.5375 North, depth = 70.47 km.

Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world. In the past 24 hours, there have been six, in the last 10 days nine, in the past 30 days twenty-one and in the last 365 days three hundred and eighty-seven earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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. 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: 134 km WSW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -178.5051° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.5375° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 70.47 km Depth of the event in kilometers.
Place 134 km WSW 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 2020-05-03 18:40:07 Time when the event occurred. UTC/GMT
Updated 2020-06-01 15:48:11 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 0.193 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 190 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 us70009ld4 Id of event.
Event Code 70009ld4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0205pdlfc4,us70009ld4, A comma-separated list of event ids that are associated to an event.

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