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Moderate World Earthquakes Magnitude 5–5.9, Tsunami warning alerts

Moderate earthquake 5.4 mag, 73 km SSE of Nikolski, Alaska


Earthquake location 52.2939S, -168.633WA moderate earthquake magnitude 5.4 (mg/mb) has striked on Monday, 73 kilometers (45 miles) from Nikolski in Alaska. The temblor was reported at 08:16:57 / 8:16 pm (local time epicenter) at a depth of 34 km (21 miles). Global time of event 2015-02-03 07:16:57 UTC/GMT. A tsunami warning has been issued near Nikolski in Alaska, according to the U.S. Geological Survey. Exact location of event, longitude -168.633 West, latitude 52.2939 North, depth 34 km.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 73 km SSE of Nikolski, Alaska.


More information

Parameter Value Description
Magnitude 5.4 mb The magnitude for the event.
Longitude -168.633° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 52.2939° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34 km Depth of the event in kilometers.
Place 73km SSE 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 2015-02-03 07:16:57 Time when the event occurred. UTC/GMT
Updated 2015-02-03 07:20:40 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 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 449 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 A comma-separated list of network contributors.
Number of Stations Used 25 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 208.8 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type Mi The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID at00nj6pk9 Id of event.
Event Code 00nj6pk9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS at00nj6pk9 A comma-separated list of event ids that are associated to an event.

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