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Minor earthquake, 2.9 mag has occurred near Larsen Bay in Alaska



Earthquake location 57.119S, -156.3059WA minor earthquake with magnitude 2.9 (ml/mb) was reported 147 km WSW of Larsen Bay, Alaska (91 miles) on Tuesday. Exact location of earthquake, -156.3059° West, 57.119° North, depth 62.3 km. The temblor was reported at 05:18:13 / 5:18 am (local time epicenter). The earthquake occurred at a depth of 62.3 km (39 miles) below the earth’s surface. All ids that are associated to the event: ak15786361. Unique identifier: ak15786361. Date and time of earthquake in UTC/GMT: 18/04/17 / 2017-04-18 14:18:13 / April 18, 2017 @ 2:18 pm.

In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days eight and in the last 365 days seventy-three earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 2.5 to 3.5 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

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: 147 km WSW of Larsen Bay, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -156.3059° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 57.119° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 62.3 km Depth of the event in kilometers.
Place 147km WSW of Larsen Bay, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-18 14:18:13 Time when the event occurred. UTC/GMT
Updated 2017-04-18 14:25:57 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 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 automatic Indicates whether the event has been reviewed by a human.
Tsunami 0 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 129 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network ak The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,ak, 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 ak15786361 Id of event.
Event Code 15786361 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak15786361, A comma-separated list of event ids that are associated to an event.

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