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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Kodiak in Alaska

Posted by admin on September 30, 2018 0 Comments

Earthquake location 56.0286S, -149.9865WA light earthquake with magnitude 4.2 (ml/mb) was reported 245 km SE of Kodiak, Alaska (152 miles) on Saturday. The 4.2-magnitude earthquake has occurred at 23:40:21 / 11:40 pm (local time epicenter). The earthquake was roughly at a depth of 19.06 km (12 miles). Exact location of event, longitude -149.9865 West, latitude 56.0286 North, depth = 19.06 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 30/09/18 / 2018-09-30 09:40:21 / September 30, 2018 @ 9:40 am UTC/GMT. Id of earthquake: us1000h4kd. Event ids that are associated: us1000h4kd.

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. In the past 24 hours, there have been two, in the last 10 days twelve, in the past 30 days twenty-seven and in the last 365 days three thousand, eight hundred and eighty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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: 245 km SE of Kodiak, Alaska.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -149.9865° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 56.0286° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.06 km Depth of the event in kilometers.
Place 245km 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 2018-09-30 09:40:21 Time when the event occurred. UTC/GMT
Updated 2018-09-30 09:53:57 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 271 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 ,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 2.181 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.77 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151 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 us1000h4kd Id of event.
Event Code 1000h4kd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h4kd, A comma-separated list of event ids that are associated to an event.

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