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Moderate earthquake 5.3 mag, 55 km WNW of Adak, Alaska


Earthquake location 52.0375S, -177.3907WA moderate earthquake magnitude 5.3 (ml/mb) has struck on Wednesday, 55 km WNW of Adak, Alaska (34 miles). Unique identifier: us7000antd. Ids that are associated to the event: at00qdi6bv, ak02091xzljz, us7000antd. The temblor was reported at 08:59:55 / 8:59 am (local time epicenter). Global date and time of event UTC/GMT: 15/07/20 / 2020-07-15 08:59:55 / July 15, 2020 @ 8:59 am. The earthquake occurred at a depth of 8.5 km (5 miles). A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -177.3907 West, latitude 52.0375 North, depth = 8.5 km.

Each year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days eight and in the last 365 days two hundred and sixty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Did you feel anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 55 km WNW of Adak, Alaska.

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More information

Parameter Value Description
Magnitude 5.3 mb The magnitude for the event.
Longitude -177.3907° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.0375° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 8.5 km Depth of the event in kilometers.
Place 55 km WNW 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 2020-07-15 08:59:55 Time when the event occurred. UTC/GMT
Updated 2020-07-15 09:14:48 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.8 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 1 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 433 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 ,at,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 0.169 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.09 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 49 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000antd Id of event.
Event Code 7000antd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00qdi6bv,ak02091xzljz,us7000antd, A comma-separated list of event ids that are associated to an event.

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