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Light World Earthquakes Magnitude 4-4.9, Tsunami warning alerts

Light earthquake 4.4 mag, 125 km SSW of Craig, Alaska



Earthquake location 54.4735S, -134.051WA light earthquake magnitude 4.4 (ml/mb) has occurred on Wednesday, 125 km SSW of Craig, Alaska (78 miles). Exact location of earthquake, -134.051° West, 54.4735° North, depth 15.24 km. The earthquake occurred at a depth of 15.24 km (9 miles). Event ids that are associated to the earthquake: at00ougadj, ak16490848, us2000a6s4. Id of event: us2000a6s4. The 4.4-magnitude earthquake was detected at 18:44:09 / 6:44 pm (local time epicenter). A tsunami warning has been issued near Craig in Alaska (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 10/08/17 / 2017-08-10 03:44:09 / August 10, 2017 @ 3:44 am.

In the past 24 hours, there have been four, in the last 10 days four, in the past 30 days four and in the last 365 days five earthquakes of magnitude 3.0 or greater that has occurred nearby. 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 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: 125 km SSW of Craig, Alaska. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -134.051° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 54.4735° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.24 km Depth of the event in kilometers.
Place 125km SSW of Craig, Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-10 03:44:09 Time when the event occurred. UTC/GMT
Updated 2017-09-07 02:26:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -540 Timezone offset from UTC in minutes at the event epicenter.
Felt 8 The total number of felt reports
CDI 2.7 The maximum reported intensity for the event.
MMI 2.13 The maximum estimated instrumental intensity for the event.
Alert Level green 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 300 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 ,at,ak,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 0.62 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 152 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000a6s4 Id of event.
Event Code 2000a6s4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00ougadj,ak16490848,us2000a6s4, A comma-separated list of event ids that are associated to an event.

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