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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Little Sitkin Island in Alaska


Earthquake location 51.3442S, 178.3085WA light earthquake magnitude 4.6 (ml/mb) has struck on Tuesday, 68 km SSW of Little Sitkin Island, Alaska (42 miles). The epicenter was at a depth of 45.96 km (29 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us60004x9z. Ids that are associated to the event: us60004x9z. The temblor was reported at 18:36:34 / 6:36 pm (local time epicenter). Date and time of earthquake in UTC/GMT: 30/07/19 / 2019-07-30 06:36:34 / July 30, 2019 @ 6:36 am. Exact location, longitude 178.3085° East, latitude 51.3442° North, depth = 45.96 km.

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 four, in the past 30 days five and in the last 365 days seventy-seven earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 68 km SSW of Little Sitkin Island, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 178.3085° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 51.3442° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 45.96 km Depth of the event in kilometers.
Place 68km SSW of Little Sitkin 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 2019-07-30 06:36:34 Time when the event occurred. UTC/GMT
Updated 2019-07-30 06:51:27 Time when the event was most recently updated. UTC/GMT
Timezone offset 720 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 326 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 0.622 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us60004x9z Id of event.
Event Code 60004x9z An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us60004x9z, A comma-separated list of event ids that are associated to an event.

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