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Light earthquake: M4 quake has struck near Cantwell in Alaska


Earthquake location 63.1941S, -150.4969WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 80 km WSW of Cantwell, Alaska (50 miles). The temblor was picked up at 01:18:57 / 1:18 am (local time epicenter). The earthquake occurred at a depth of 120.3 km (75 miles). Exact location of event, longitude -150.4969 West, latitude 63.1941 North, depth = 120.3 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 28/07/19 / 2019-07-28 10:18:57 / July 28, 2019 @ 10:18 am UTC/GMT. Id of earthquake: ak0199ltduib. Event ids that are associated: ak0199ltduib.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days fifty-six earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 80 km WSW of Cantwell, Alaska.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -150.4969° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 63.1941° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 120.3 km Depth of the event in kilometers.
Place 80km WSW of Cantwell, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-07-28 10:18:57 Time when the event occurred. UTC/GMT
Updated 2019-07-28 10:25:29 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 246 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 0.61 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 ak0199ltduib Id of event.
Event Code 0199ltduib An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak0199ltduib, A comma-separated list of event ids that are associated to an event.

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