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Light earthquake: M4 quake has struck near Mariana Islands region

Posted by admin on June 20, 2025 0 Comments

Earthquake location 21.8819S, 142.9768WA light earthquake magnitude 4 (ml/mb) strikes Mariana Islands region (0 miles) on Friday. Unique identifier: us6000qlgq. Ids that are associated to the event: us6000qlgq. Global date and time of event UTC/GMT: 06/06/25 / 2025-06-06 03:43:33 / June 6, 2025 @ 3:43 am. The temblor was detected at 03:43:33 / 3:43 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 142.9768 East, latitude 21.8819 North, depth = 267.036 km. The epicenter of the earthquake was roughly 267.036 km (166 miles) below the earth’s surface.

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days three and in the last 365 days thirty-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.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Mariana Islands region. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 142.9768° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 21.8819° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 267.036 km Depth of the event in kilometers.
Place Mariana Islands region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-06-06 03:43:33 Time when the event occurred. UTC/GMT
Updated 2025-06-20 21:23:32 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 31 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 5.24 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 130 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 us6000qlgq Id of event.
Event Code 6000qlgq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qlgq, A comma-separated list of event ids that are associated to an event.

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