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Light World Earthquakes Magnitude 4-4.9

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

Earthquake location 18.4781S, 145.1717WA light earthquake magnitude 4.3 (ml/mb) has occurred on Friday, 61 km WSW of Agrihan, Northern Mariana Islands (38 miles). The temblor was reported at 20:53:16 / 8:53 pm (local time epicenter). Event id: us70006xn8. Ids that are associated to the earthquake: us70006xn8. Global date and time of event UTC/GMT: 27/12/19 / 2019-12-27 10:53:16 / December 27, 2019 @ 10:53 am. The epicenter was at a depth of 481.73 km (299 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 145.1717° East, latitude 18.4781° North, depth = 481.73 km.

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 61 km WSW of Agrihan, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 145.1717° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.4781° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 481.73 km Depth of the event in kilometers.
Place 61km WSW 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 2019-12-27 10:53:16 Time when the event occurred. UTC/GMT
Updated 2020-01-19 13:07:46 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 3.273 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.75 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 53 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 us70006xn8 Id of event.
Event Code 70006xn8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70006xn8, A comma-separated list of event ids that are associated to an event.

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