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Light earthquake 4.8 mag, Gulf of Alaska

Earthquake location 55.6127S, -149.232WA light earthquake with magnitude 4.8 (ml/mb) was detected on Thursday, Gulf of Alaska (0 miles). Event id: us1000d1wy. Ids that are associated to the earthquake: at00p5ase4, ak18634722, us1000d1wy. The temblor was reported at 14:37:15 / 2:37 pm (local time epicenter). A tsunami warning has been issued near Alaska (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 17.77 km (11 miles). Exact location, longitude -149.232° West, latitude 55.6127° North, depth = 17.77 km. Global time and date of event 09/03/18 / 2018-03-09 00:37:15 / March 9, 2018 @ 12:37 am UTC/GMT.

In the past 24 hours, there have been five, in the last 10 days seventy-six, in the past 30 days six hundred and eighteen and in the last 365 days two thousand, three hundred and eighty-six earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: Gulf of Alaska.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -149.232° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.6127° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 17.77 km Depth of the event in kilometers.
Place Gulf of Alaska Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-09 00:37:15 Time when the event occurred. UTC/GMT
Updated 2018-03-09 01:05:30 Time when the event was most recently updated. UTC/GMT
Timezone offset -600 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 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 354 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 2.771 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 125 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 us1000d1wy Id of event.
Event Code 1000d1wy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,at00p5ase4,ak18634722,us1000d1wy, A comma-separated list of event ids that are associated to an event.

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