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Moderate earthquake 5.2 mag, 95 km NNW of Chirikof Island, Alaska


Earthquake location 56.542S, -156.48WA moderate earthquake magnitude 5.2 (mg/mb) has occurred on Friday, 95 kilometers (59 miles) from Chirik. The temblor was reported at 18:40:05 / 6:40 pm (local time epicenter) at a depth of 62 km (39 miles). Global time of event 30/05/15 / 2015-05-30 04:40:05 / May 30, 2015 @ 4:40 am UTC/GMT. A tsunami warning has been issued near Chirik, according to the U.S. Geological Survey. Exact location of event, longitude -156.48 West, latitude 56.542 North, depth 62 km, unique identifier, at00np5bmt. Ids that are associated to the event, ,at00np5bmt,.

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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: 95 km NNW of Chirikof Island, Alaska.


More information

Parameter Value Description
Magnitude 5.2 mb The magnitude for the event.
Longitude -156.48° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.542° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62 km Depth of the event in kilometers.
Place 95km NNW of Chirikof Island, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-05-30 04:40:05 Time when the event occurred. UTC/GMT
Updated 2015-05-30 04:43:24 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 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 416 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 39 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.2693195 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 154.8 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 at00np5bmt Id of event.
Event Code 00np5bmt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00np5bmt, A comma-separated list of event ids that are associated to an event.

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