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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Agrihan in Northern Mariana Islands

Posted by admin on October 19, 2018 0 Comments

Earthquake location 19.0387S, 144.8697WA light earthquake magnitude 4.3 (ml/mb) has occurred on Friday, 89 km WNW of Agrihan, Northern Mariana Islands (55 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 144.8697 East, latitude 19.0387 North, depth = 209.78 km. The epicenter was at a depth of 209.78 km (130 miles). The temblor was picked up at 14:36:07 / 2:36 pm (local time epicenter). Event ids that are associated to the earthquake: us1000hddg. Id of event: us1000hddg. Global date and time of event UTC/GMT: 12/10/18 / 2018-10-12 04:36:07 / October 12, 2018 @ 4:36 am.

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

Did you feel it?

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. 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: 89 km WNW of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 144.8697° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 19.0387° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 209.78 km Depth of the event in kilometers.
Place 89km WNW 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 2018-10-12 04:36:07 Time when the event occurred. UTC/GMT
Updated 2018-10-19 02:10:59 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 284 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 3.877 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 184 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 us1000hddg Id of event.
Event Code 1000hddg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hddg, A comma-separated list of event ids that are associated to an event.

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