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Moderate earthquake 5.7 mag, 251 km W of Sitka, Alaska

Earthquake location 57.0824S, -139.4841WA moderate earthquake with magnitude 5.7 (ml/mb) was detected on Tuesday, 251 km W of Sitka, Alaska (156 miles). The earthquake occurred at a depth of 11.93 km (7 miles). All ids that are associated to the event: at00pxmudo, ak019bmr2clk, us70005eee. Unique identifier: us70005eee. A tsunami warning has been issued near Sitka in Alaska (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 10/09/19 / 2019-09-10 20:32:12 / September 10, 2019 @ 8:32 pm UTC/GMT. The 5.7-magnitude earthquake was detected at 11:32:12 / 11:32 am (local time epicenter). Exact location of event, longitude -139.4841 West, latitude 57.0824 North, depth = 11.93 km.

Each year there are an estimated 1320 moderate earthquakes in the world. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days three and in the last 365 days three 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: 251 km W of Sitka, Alaska.

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More information

Parameter Value Description
Magnitude 5.7 mb The magnitude for the event.
Longitude -139.4841° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.0824° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.93 km Depth of the event in kilometers.
Place 251km W of Sitka, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-09-10 20:32:12 Time when the event occurred. UTC/GMT
Updated 2019-09-10 20:50:50 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 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 0 The maximum estimated instrumental intensity for the event.
Alert Level green 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 500 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 1.963 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.14 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us70005eee Id of event.
Event Code 70005eee An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pxmudo,ak019bmr2clk,us70005eee, A comma-separated list of event ids that are associated to an event.

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