Light earthquake, 4.5 mag was detected near Masamba in Indonesia

A light earthquake magnitude 4.5 (ml/mb) has struck on Thursday, 46 kilometers (29 miles) from Masamba in Indonesia. All ids that are associated to the event: us6000qyv5. Unique identifier: us6000qyv5. Exact location, longitude 120.6621° East, latitude -2.2966° South, depth = 35 km. The earthquake occurred at a depth of 35 km (22 miles). 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: 24/07/25 / 2025-07-24 13:13:47 / July 24, 2025 @ 1:13 pm. The 4.5-magnitude earthquake has occurred at 13:13:47 / 1:13 pm (local time epicenter).

Close country/countries that might be effected, Indonesia (c. 242 968 000 pop). Earthquake epicenter was 93 km (58 miles) from Palopo (c. 129 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Palopo.

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

Did you feel the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 46 km NE of Masamba, Indonesia.

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Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	120.6621° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	-2.2966° South	Decimal degrees latitude. Negative values for southern latitudes.
Depth	35 km	Depth of the event in kilometers.
Place	46 km NE of Masamba, Indonesia	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-07-24 13:13:47	Time when the event occurred. UTC/GMT
Updated	2025-08-10 16:05:12	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	29	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.448	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.84 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	62	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	us6000qyv5	Id of event.
Event Code	6000qyv5	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qyv5,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.5 mag was detected near Masamba in Indonesia

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