Strong earthquake 6 mag, 81 km SW of Acajutla, El Salvador

A earthquake magnitude 6 (ml/mb) has struck on Saturday, 81 kilometers (50 miles) from Acajutla in El Salvador. Event ids that are associated to the earthquake: us6000r3at. Id of event: us6000r3at. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 23/08/25 / 2025-08-23 09:14:21 / August 23, 2025 @ 9:14 am. Exact location of earthquake, longitude -90.3605 West, latitude 13.0753 North, depth = 10 km. The epicenter was at a depth of 10 km (6 miles). The temblor was picked up at 09:14:21 / 9:14 am (local time epicenter).

Nearby country/countries that might be effected, Guatemala (c. 13 550 000 pop), El Salvador (c. 6 052 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was La Libertad, Atiquizaya, Armenia (min 5000 pop). Earthquake epicenter was 99 km (62 miles) from Sonsonate (c. 59 500 pop), 109 km (68 miles) from Ahuachapán (c. 34 100 pop), 81 km (51 miles) from Acajutla (c. 22 800 pop), 105 km (65 miles) from Izalco (c. 19 200 pop), 107 km (67 miles) from Puerto San José (c. 18 700 pop), 121 km (75 miles) from La Libertad (c. 16 900 pop), 101 km (63 miles) from Sonzacate (c. 15 400 pop), 119 km (74 miles) from Armenia (c. 15 000 pop).

In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days five and in the last 365 days sixty-four earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 135 earthquakes in the world each year. Earthquakes 6.0 to 6.9 may cause a lot of damage in very populated areas.

Questions or comments?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 81 km SW of Acajutla, El Salvador. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	6 mb	The magnitude for the event.
Longitude	-90.3605° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	13.0753° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	81 km SW of Acajutla, El Salvador	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-08-23 09:14:21	Time when the event occurred. UTC/GMT
Updated	2025-08-23 09:34:24	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	3	The total number of felt reports
CDI	3.4	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	555	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	76	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.997	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.34 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	120	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mww	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000r3at	Id of event.
Event Code	6000r3at	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000r3at,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

6 mb

The magnitude for the event.

Longitude

-90.3605° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

13.0753° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

10 km

Depth of the event in kilometers.

Place

81 km SW of Acajutla, El Salvador

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2025-08-23 09:14:21

Time when the event occurred. UTC/GMT

Updated

2025-08-23 09:34:24

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

3.4

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

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

555

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

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

The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.

Horizontal Distance

0.997

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

1.34 sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

120

The largest azimuthal gap between azimuthally adjacent stations (in degrees).

Magnitude Type

mww

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

us6000r3at

Id of event.

Event Code

6000r3at

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,us6000r3at,

A comma-separated list of event ids that are associated to an event.

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Strong earthquake 6 mag, 81 km SW of Acajutla, El Salvador

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