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Moderate earthquake, 5 mag strikes near Adak in Alaska



Earthquake location 51.57S, -176.222WA moderate earthquake magnitude 5 (ml/mb) has struck on Monday, 45 km SE of Adak, Alaska (28 miles). Id of earthquake: at00otzpwq. Event ids that are associated: at00otzpwq, ak16392930. The epicenter of the earthquake was roughly 30 km (19 miles) below the earth’s surface. Exact location of event, depth 30 km, -176.222° West, 51.57° North. Exact time and date of event in UTC/GMT: 01/08/17 / 2017-08-01 05:00:26 / August 1, 2017 @ 5:00 am. The temblor was detected at 19:00:26 / 7:00 pm (local time epicenter). A tsunami warning has been issued near Adak in Alaska (Does not indicate if a tsunami actually did or will exist).

Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. Each year there are an estimated 1320 moderate earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days seven and in the last 365 days two hundred and thirteen earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 45 km SE of Adak, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5 mb The magnitude for the event.
Longitude -176.222° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.57° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 30 km Depth of the event in kilometers.
Place 45km SE 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 2017-08-01 05:00:26 Time when the event occurred. UTC/GMT
Updated 2017-08-01 05:15:05 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 2.84 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 385 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network at The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,at,ak, A comma-separated list of network contributors.
Number of Stations Used 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.4249031 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 197.99998416 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 at00otzpwq Id of event.
Event Code 00otzpwq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00otzpwq,ak16392930, A comma-separated list of event ids that are associated to an event.

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