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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Pagan region, Northern Mariana Islands

Posted by admin on December 20, 2025 0 Comments

Earthquake location 18.8286S, 145.2538WA light earthquake magnitude 4 (ml/mb) has occurred on Monday, Pagan region, Northern Mariana Islands (0 miles). The earthquake was roughly at a depth of 199.55 km (124 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 145.2538 East, latitude 18.8286 North, depth = 199.55 km. Exact time and date of earthquake 01/12/25 / 2025-12-01 19:18:57 / December 1, 2025 @ 7:18 pm UTC/GMT. Event id: us6000rvqr. Ids that are associated to the earthquake: us6000rvqr. The temblor was picked up at 19:18:57 / 7:18 pm (local time epicenter).

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

How would you describe the shaking?

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: Pagan region, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 145.2538° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.8286° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 199.55 km Depth of the event in kilometers.
Place Pagan region, 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 2025-12-01 19:18:57 Time when the event occurred. UTC/GMT
Updated 2025-12-20 16:40:30 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 246 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.604 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.34 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 145 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 us6000rvqr Id of event.
Event Code 6000rvqr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rvqr, A comma-separated list of event ids that are associated to an event.

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