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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Chipispaya in Peru


Earthquake location -17.5321S, -70.2097WA light earthquake with magnitude 4.4 (ml/mb) was detected on Sunday, 3 kilometers (2 miles) from Chipispaya in Peru. All ids that are associated to the event: us7000qxps. Unique identifier: us7000qxps. The epicenter of the earthquake was roughly 139.676 km (87 miles) below the earth’s surface. The temblor was detected at 15:12:34 / 3:12 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 21/09/25 / 2025-09-21 15:12:34 / September 21, 2025 @ 3:12 pm. Exact location, longitude -70.2097° West, latitude -17.5321° South, depth = 139.676 km.

Earthquake epicenter was 54 km (33 miles) from Tacna (c. 280 100 pop), 86 km (53 miles) from Moquegua (c. 54 500 pop), 34 km (21 miles) from Ilabaya (c. 9 500 pop), 84 km (52 miles) from Torata (c. 7 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Moquegua, Torata, Tacna (min 5000 pop). Nearby country/countries that might be effected, Peru (c. 29 907 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days three and in the last 365 days fourty-two earthquakes of magnitude 3.0 or greater that have been detected nearby. Every year there are an estimated 13,000 light earthquakes in the world.

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: 3 km SSE of Chipispaya, Peru. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -70.2097° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.5321° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 139.676 km Depth of the event in kilometers.
Place 3 km SSE of Chipispaya, Peru Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-09-21 15:12:34 Time when the event occurred. UTC/GMT
Updated 2025-09-21 16:17:40 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 298 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 20 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.698 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.9 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 121 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 us7000qxps Id of event.
Event Code 7000qxps An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qxps, A comma-separated list of event ids that are associated to an event.

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