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Moderate earthquake: M5.1 quake has struck near Nikolski in Alaska

Posted by admin on August 8, 2015 0 Comments

Earthquake location 52.3969S, -169.5402WA moderate earthquake with magnitude 5.1 (ml/mb) was detected on Saturday, 75 km SW of Nikolski, Alaska (47 miles). The temblor was detected at 08:09:33 / 8:09 am (local time epicenter). Date and time of earthquake in UTC/GMT: 08/08/15 / 2015-08-08 19:09:33 / August 8, 2015 @ 7:09 pm. A tsunami warning has been issued near Nikolski in Alaska (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 33.15 km (21 miles) below the earth’s surface. Unique identifier: us100030gd. Ids that are associated to the event: at00nss2jy, us100030gd. Exact location of event, depth 33.15 km, -169.5402° West, 52.3969° North.

There are an estimated 1320 moderate quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days twenty-two, in the past 30 days one hundred and fourty-six and in the last 365 days two hundred and thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 75 km SW of Nikolski, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 5.1 mb The magnitude for the event.
Longitude -169.5402° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.3969° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.15 km Depth of the event in kilometers.
Place 75km SW 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 2015-08-08 19:09:33 Time when the event occurred. UTC/GMT
Updated 2015-08-08 19:28:54 Time when the event was most recently updated. UTC/GMT
Timezone offset -660 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 400 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,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 0.711 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 62 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us100030gd Id of event.
Event Code 100030gd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00nss2jy,us100030gd, A comma-separated list of event ids that are associated to an event.

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