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Light earthquake: M4.3 quake has struck near Sand Point in Alaska

Posted by admin on May 19, 2017 0 Comments

Earthquake location 56.2684S, -161.799WA light earthquake with magnitude 4.3 (ml/mb) was detected on Thursday, 131 km NW of Sand Point, Alaska (81 miles). The 4.3-magnitude earthquake has occurred at 13:33:00 / 1:33 pm (local time epicenter). Id of earthquake: us10008tgh. Event ids that are associated: us10008tgh. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 19/05/17 / 2017-05-19 00:33:00 / May 19, 2017 @ 12:33 am. The earthquake occurred at a depth of 201.37 km (125 miles) below the earth’s surface. Exact location, longitude -161.799° West, latitude 56.2684° North, depth = 201.37 km.

There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 131 km NW of Sand Point, Alaska.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -161.799° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.2684° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 201.37 km Depth of the event in kilometers.
Place 131km NW of Sand Point, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-19 00:33:00 Time when the event occurred. UTC/GMT
Updated 2017-05-19 00:52:50 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 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 284 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 ,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 1.185 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.08 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 73 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 us10008tgh Id of event.
Event Code 10008tgh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008tgh, A comma-separated list of event ids that are associated to an event.

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