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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Agrihan in Northern Mariana Islands

Posted by admin on September 13, 2016 0 Comments

Earthquake location 18.6974S, 145.6632WA light earthquake with magnitude 4.2 (ml/mb) was reported 7 km S of Agrihan, Northern Mariana Islands (4 miles) on Sunday. The temblor was detected at 20:40:03 / 8:40 pm (local time epicenter). Exact location of earthquake, 145.6632° East, 18.6974° North, depth 196.98 km. The earthquake was roughly at a depth of 196.98 km (122 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 28/08/16 / 2016-08-28 10:40:03 / August 28, 2016 @ 10:40 am UTC/GMT. Event ids that are associated to the earthquake: us10006jci. Id of event: us10006jci.

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 nine, in the past 30 days sixty-five and in the last 365 days one hundred and ten earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 7 km S of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 145.6632° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.6974° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 196.98 km Depth of the event in kilometers.
Place 7km S of Agrihan, 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 2016-08-28 10:40:03 Time when the event occurred. UTC/GMT
Updated 2016-09-13 05:56:42 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 3.439 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us10006jci Id of event.
Event Code 10006jci An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006jci, A comma-separated list of event ids that are associated to an event.

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