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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.5 quake has struck near Pagan region, Northern Mariana Islands

Posted by admin on November 21, 2025 0 Comments

Earthquake location 18.9243S, 145.5233WA light earthquake with magnitude 4.5 (ml/mb) was detected on Friday, Pagan region, Northern Mariana Islands (0 miles). The temblor was detected at 06:49:59 / 6:49 am (local time epicenter). Global date and time of event UTC/GMT: 31/10/25 / 2025-10-31 06:49:59 / October 31, 2025 @ 6:49 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 174.649 km (109 miles). Event id: us6000rpd6. Ids that are associated to the earthquake: us6000rpd6. Exact location of event, depth 174.649 km, 145.5233° East, 18.9243° North.

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

Questions or comments?

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: Pagan region, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 145.5233° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.9243° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 174.649 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 2025-10-31 06:49:59 Time when the event occurred. UTC/GMT
Updated 2025-11-21 12:38:17 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 312 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 52 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.672 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 100 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 us6000rpd6 Id of event.
Event Code 6000rpd6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rpd6, A comma-separated list of event ids that are associated to an event.

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