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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Pagan in Northern Mariana Islands

Posted by admin on January 5, 2018 0 Comments

Earthquake location 18.0097S, 146.1801WA light earthquake with magnitude 4.6 (ml/mb) was detected on Sunday, 44 km ESE of Pagan, Northern Mariana Islands (27 miles). Exact location of earthquake, longitude 146.1801 East, latitude 18.0097 North, depth = 140.49 km. All ids that are associated to the event: us1000bv21. Unique identifier: us1000bv21. The earthquake occurred at a depth of 140.49 km (87 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.6-magnitude earthquake was detected at 21:45:35 / 9:45 pm (local time epicenter). Exact time and date of event in UTC/GMT: 17/12/17 / 2017-12-17 11:45:35 / December 17, 2017 @ 11:45 am.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days seven and in the last 365 days sixty-one 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. 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: 44 km ESE of Pagan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 146.1801° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.0097° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 140.49 km Depth of the event in kilometers.
Place 44km ESE of Pagan, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-17 11:45:35 Time when the event occurred. UTC/GMT
Updated 2018-01-05 08:25:44 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 326 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 2.778 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.5 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 167 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 us1000bv21 Id of event.
Event Code 1000bv21 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bv21, A comma-separated list of event ids that are associated to an event.

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