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Light earthquake, 4.8 mag was detected near Charneca de Caparica in Portugal

Posted by admin on February 17, 2025 0 Comments

Earthquake location 38.5878S, -9.1875WA light earthquake with magnitude 4.8 (ml/mb) was detected on Monday, 3 kilometers (2 miles) from Charneca de Caparica in Portugal. The earthquake was roughly at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us7000pe8k. Id of event: us7000pe8k. Exact location of event, longitude -9.1875 West, latitude 38.5878 North, depth = 10 km. 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: 17/02/25 / 2025-02-17 13:24:04 / February 17, 2025 @ 1:24 pm. The 4.8-magnitude earthquake has occurred at 13:24:04 / 1:24 pm (local time epicenter).

Epicenter of the event was 15 km (9 miles) from Lisbon (c. 517 800 pop), 19 km (12 miles) from Amadora (c. 178 900 pop), 27 km (17 miles) from Setúbal (c. 117 100 pop), 20 km (12 miles) from Queluz (c. 103 400 pop), 22 km (14 miles) from Cacém (c. 94 000 pop), 27 km (17 miles) from Loures (c. 66 200 pop), 24 km (15 miles) from Rio de Mouro (c. 54 700 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Alcanede, Santo André, Benedita. Nearby country/countries that might be effected, Portugal (c. 10 676 000 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 3 km S of Charneca de Caparica, Portugal.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude -9.1875° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.5878° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 3 km S of Charneca de Caparica, Portugal Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-02-17 13:24:04 Time when the event occurred. UTC/GMT
Updated 2025-02-17 13:44:25 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 11 The total number of felt reports
CDI 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 359 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 59 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.28 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 86 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 us7000pe8k Id of event.
Event Code 7000pe8k An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000pe8k, A comma-separated list of event ids that are associated to an event.

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