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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Pagan region, Northern Mariana Islands

Posted by admin on August 29, 2025 0 Comments

Earthquake location 18.2699S, 145.4569WA light earthquake magnitude 4 (ml/mb) strikes Pagan region, Northern Mariana Islands (0 miles) on Tuesday. The earthquake occurred at a depth of 493.731 km (307 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 145.4569 East, latitude 18.2699 North, depth = 493.731 km. Date and time of earthquake in UTC/GMT: 05/08/25 / 2025-08-05 01:16:19 / August 5, 2025 @ 1:16 am. The 4-magnitude earthquake has occurred at 01:16:19 / 1:16 am (local time epicenter). Event id: us7000qrma. Ids that are associated to the earthquake: us7000qrma.

Every year there are an estimated 13,000 light earthquakes in the world. 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 nine and in the last 365 days eighty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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 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 mb The magnitude for the event.
Longitude 145.4569° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 18.2699° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 493.731 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 2025-08-05 01:16:19 Time when the event occurred. UTC/GMT
Updated 2025-08-29 08:55:44 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 29 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 3.029 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 98 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 us7000qrma Id of event.
Event Code 7000qrma An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qrma, A comma-separated list of event ids that are associated to an event.

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