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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Alaska

Posted by admin on February 7, 2018 0 Comments

Earthquake location 55.6046S, -149.2591WA light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, Gulf of Alaska (0 miles). Exact time and date of earthquake 23/01/18 / 2018-01-23 21:27:12 / January 23, 2018 @ 9:27 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 4.84 km (3 miles) below the earth’s surface. All ids that are associated to the event: ak18190191, us2000cndx. Unique identifier: us2000cndx. The temblor was detected at 11:27:12 / 11:27 am (local time epicenter). Exact location, longitude -149.2591° West, latitude 55.6046° North, depth = 4.84 km.

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: Gulf of Alaska.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -149.2591° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 55.6046° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.84 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 2018-01-23 21:27:12 Time when the event occurred. UTC/GMT
Updated 2018-02-07 03:37:03 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 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 312 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 ,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 2.764 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.7 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 150 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 us2000cndx Id of event.
Event Code 2000cndx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18190191,us2000cndx, A comma-separated list of event ids that are associated to an event.

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