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Moderate earthquake: M5.4 quake has struck near Nikolski in Alaska


Earthquake location 52.9266S, -167.4641WA moderate earthquake with magnitude 5.4 (ml/mb) was reported 94 km E of Nikolski, Alaska (58 miles) on Tuesday. A tsunami warning has been issued near Nikolski in Alaska (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: at00pue1ct, ak0198qj31sv, us70004g4b. Unique identifier: us70004g4b. Exact time and date of earthquake 09/07/19 / 2019-07-09 18:43:43 / July 9, 2019 @ 6:43 pm UTC/GMT. The temblor was picked up at 07:43:43 / 7:43 am (local time epicenter). The earthquake occurred at a depth of 27.75 km (17 miles). Exact location of event, depth 27.75 km, -167.4641° West, 52.9266° North.

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

Did you feel it?

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: 94 km E of Nikolski, Alaska.

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More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -167.4641° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.9266° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.75 km Depth of the event in kilometers.
Place 94km E of Nikolski, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-09 18:43:43 Time when the event occurred. UTC/GMT
Updated 2019-07-09 19:06:17 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 3.625 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 449 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 0.554 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 59 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 us70004g4b Id of event.
Event Code 70004g4b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00pue1ct,ak0198qj31sv,us70004g4b, A comma-separated list of event ids that are associated to an event.

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