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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Ribeira Grande in Portugal

Posted by admin on March 23, 2025 0 Comments

Earthquake location 37.9817S, -25.5354WA light earthquake magnitude 4.3 (ml/mb) strikes 17 kilometers (11 miles) from Ribeira Grande in Portugal on Wednesday. Exact location of earthquake, longitude -25.5354 West, latitude 37.9817 North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 18:13:18 / 6:13 pm (local time epicenter). Global time and date of event 12/03/25 / 2025-03-12 18:13:18 / March 12, 2025 @ 6:13 pm UTC/GMT. The earthquake was roughly at a depth of 10 km (6 miles). Event ids that are associated to the earthquake: us7000pljz. Id of event: us7000pljz.

The epicenter was 30 km (19 miles) from Ponta Delgada (c. 20 100 pop), 28 km (17 miles) from Rosto de Cão (c. 7 900 pop), 21 km (13 miles) from Rabo de Peixe (c. 7 700 pop), 28 km (17 miles) from Arrifes (c. 7 000 pop), 31 km (19 miles) from Vila Franca do Campo (c. 5 000 pop). Country/countries that might be effected, Portugal (c. 10 676 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Vila Franca do Campo, Ponta Delgada, Arrifes (min 5000 pop).

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

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 17 km N of Ribeira Grande, Portugal. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -25.5354° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.9817° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 17 km N of Ribeira Grande, Portugal Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-03-12 18:13:18 Time when the event occurred. UTC/GMT
Updated 2025-03-23 16:33:07 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 284 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 12 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.218 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 111 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 us7000pljz Id of event.
Event Code 7000pljz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000pljz, A comma-separated list of event ids that are associated to an event.

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