Light earthquake, 4.2 mag was detected near Mariana Islands region

A light earthquake magnitude 4.2 (ml/mb) has struck on Sunday, Mariana Islands region (0 miles). All ids that are associated to the event: us6000qlsc. Unique identifier: us6000qlsc. The temblor was picked up at 13:05:39 / 1:05 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 22/06/25 / 2025-06-22 13:05:39 / June 22, 2025 @ 1:05 pm. The earthquake occurred at a depth of 328.638 km (204 miles). Exact location, longitude 143.0353° East, latitude 21.5895° North, depth = 328.638 km.

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

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: Mariana Islands region.

Mariana Islands region

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	143.0353° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	21.5895° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	328.638 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	2025-06-22 13:05:39	Time when the event occurred. UTC/GMT
Updated	2025-06-22 13:26:53	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	271	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	48	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	5.536	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	102	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	us6000qlsc	Id of event.
Event Code	6000qlsc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qlsc,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag was detected near Mariana Islands region

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