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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Kodiak in Alaska


Earthquake location 56.1478S, -149.5074WA light earthquake magnitude 4 (ml/mb) has struck on Tuesday, 273 km SE of Kodiak, Alaska (170 miles). Unique identifier: ak18174837. Ids that are associated to the event: ak18174837, us2000cn06. Exact location, longitude -149.5074° West, latitude 56.1478° North, depth = 12.7 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4-magnitude earthquake has occurred at 00:34:40 / 12:34 am (local time epicenter). Exact time and date of earthquake 23/01/18 / 2018-01-23 10:34:40 / January 23, 2018 @ 10:34 am UTC/GMT. The earthquake was roughly at a depth of 12.7 km (8 miles).

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

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 273 km SE of Kodiak, Alaska. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -149.5074° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.1478° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 12.7 km Depth of the event in kilometers.
Place 273km SE of Kodiak, 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 10:34:40 Time when the event occurred. UTC/GMT
Updated 2018-01-23 19:31:10 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 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,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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 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 ak18174837 Id of event.
Event Code 18174837 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ak18174837,us2000cn06, A comma-separated list of event ids that are associated to an event.

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