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Seismology. Main earthquakes recorded

Seismology. Main earthquakes recorded Catalonia. 2022
Date Time of origin Northern latitude (1) Southern latitude (1) Depth of focus (km) Magnitude (Richter Scale) County
January
11 12:46 42,520 N 1,439 E 5 2.5 Alt Urgell
13 13:03 43,025 N 0,166 W 10 1.8 Hautes-Pyrénées
20 13:12 42,637 N 0,727 E 4 2.5 Val d'Aran
22 19:39 42,636 N 0,723 E 4 2.2 Val d'Aran
22 21:05 42,633 N 0,717 E 0 1.7 Val d'Aran
23 03:37 42,641 N 0,725 E 4 2.0 Val d'Aran
23 08:01 42,646 N 0,727 E 4 2.4 Val d'Aran
25 13:12 42,634 N 0,715 E 0 1.9 Val d'Aran
26 00:34 42,639 N 0,717 E 0 1.8 Val d'Aran
26 00:41 42,672 N 0,716 E 2 1.9 Val d'Aran
26 00:46 42,651 N 0,715 E 5 2.1 Val d'Aran
26 03:12 42,647 N 0,716 E 5 2.2 Val d'Aran
26 17:24 42,634 N 0,725 E 0 1.7 Val d'Aran
28 05:19 42,637 N 0,722 E 4 2.0 Val d'Aran
February
1 02:03 42,528 N 1,445 E 4 3.8 Alt Urgell
1 02:10 42,530 N 1,440 E 4 1.7 Alt Urgell
7 01:37 41,167 N 0,700 E 2 1.9 Priorat
12 10:59 42,586 N 1,038 E 5 1.8 Pallars Sobirà
27 08:24 42,996 N 0,127 W 0 2.2 Hautes-Pyrénées
28 13:41 40,352 N 0,647 E 0 1.7 Costa Castelló
March
2 09:00 42,409 N 2,296 E 10 1.7 Ripollès
5 18:48 42,999 N 0,240 W 0 2.0 Hautes-Pyrénées
19 02:27 42,518 N 1,431 E 2 2.1 Alt Urgell
22 20:54 42,407 N 2,293 E 5 3.3 Ripollès
26 11:39 43,001 N 0,108 E 10 2.0 Hautes-Pyrénées
26 11:40 43,009 N 0,130 E 1 1.9 Hautes-Pyrénées
April
9 20:13 42,991 N 0,243 W 0 1.7 Hautes-Pyrénées
10 22:18 41,887 N 3,669 E 20 1.8 Mar Mediterrània - Lleó
14 04:23 42,516 N 1,425 E 2 2.1 Alt Urgell
14 06:57 42,891 N 0,234 E 4 1.9 Hautes-Pyrénées
20 06:04 43,003 N 0,136 W 2 2.0 Hautes-Pyrénées
May
23 19:09 41,444 N 2,044 E 2 2.5 Baix Llobregat
June
4 19:23 42,545 N 0,911 E 5 2.0 Alta Ribagorça
5 11:20 43,027 N 0,259 W 2 1.9 Pyrénées-Atlantiques
14 00:11 42,598 N 1,226 E 8 1.9 Pallars Sobirà
19 21:19 42,961 N 0,329 E 3 2.2 Hautes-Pyrénées
19 21:19 42,948 N 0,322 E 0 3.0 Hautes-Pyrénées
July
6 16:32 42,311 N 3,118 E 2 1.8 Alt Empordà
August
2 09:41 41,774 N 2,894 E 7 2.0 Gironès
2 11:24 41,768 N 2,896 E 6 2.3 Selva
2 11:47 41,771 N 2,880 E 5 1.9 Selva
3 09:53 42,607 N 1,032 E 0 2.6 Pallars Sobirà
7 18:32 42,521 N 1,424 E 2 2.5 Alt Urgell
17 21:21 43,026 N 0,008 E 0 1.8 Hautes-Pyrénées
25 01:00 41,394 N 1,809 E 6 2.6 Alt Penedès
October
10 21:33 42,452 N 2,177 E 5 2.8 Pyrénées-Orientales
13 13:53 42,634 N 1,621 E 7 1.8 Ariège
November
14 22:52 40,954 N 0,597 E 3 3.4 Ribera d'Ebre
18 01:39 43,034 N 0,220 W 0 1.8 Hautes-Pyrénées
26 00:53 43,083 N 0,290 W 14 1.9 Pyrénées-Atlantiques
December
4 13:40 42,515 N 1,894 E 11 2.5 Pyrénées-Orientales
4 13:47 42,497 N 1,880 E 10 2.0 Pyrénées-Orientales
6 09:47 41,766 N 2,838 E 10 2.2 Selva
6 10:02 40,879 N 1,644 E 24 2.4 Mar Mediterrània - Balears
Source: Institut Cartogràfic i Geològic de Catalunya.
Note: (1) in degrees.

Last update: February 9, 2023.

Methodological note

Definition of concepts

Magnitude of an earthquake
Instrumental measure of its force. It is related with the energy transported by seismic waves. It is expressed in decimal figures in accordance with the Richter scale, whose highest value is 9.
Profundity of the focus of the earthquake
Distance from the point where the earthquake originated and the epicentre or point of vertical projection over the surface of the Earth. It is expressed in kilometres.
Earthquake
Set of shockwaves generated from a point within the Earth, called its focus or hypocentre, as result of which there is a sudden release of energy produced by a brusque movement between blocks of the crust and the mantle of the Earth. They are defined by the following: magnitude and depth of the focus.

Methodological aspects

The Western Mediterranean is located in a collusion zone between the European and African tectonic plates.

The Seismology Service was created in 1981 to study in detail the seismic activity in the territory, to monitor it closely, and to determine and characterise the seismic zones.

Since 1984, hypocentral determinations have been conducted in consideration of the Service's own data and that of other bodies: the Midi-Pyrénées Observatory, the Institute of Catalan Studies, the National Geographic Institute, the Ebro Observatory, the Fabra Observatory and the Detection and Geophysical Laboratory. Information on seismic activity in Catalonia and its neighbouring regions is released annually in the Seismic Bulletin published by the Geological Institute of Catalonia.

The criterion was to select all the seismic movements those that had an epicentre within the Catalan territory and were of a magnitude equal to or higher than 1.7 on the Richter scale.

Provisional data.