Earthquake with magnitude of ML 0.8 on date 19-10-2023 and time 12:22:09 (UTC) in region 3 km E Castelletto Uzzone (CN)

A magnitude ML 0.8 earthquake occured in region: 3 km E Castelletto Uzzone (CN), on

  • 19-10-2023 12:22:09 (UTC)
  • 19-10-2023 14:22:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4950, 8.2270 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelletto Uzzone CN 3 331 331
Pezzolo Valle Uzzone CN 6 344 675
Gottasecca CN 6 148 823
Merana AL 6 189 1012
Prunetto CN 7 451 1463
Piana Crixia SV 7 788 2251
Bergolo CN 7 71 2322
Serole AT 7 123 2445
Levice CN 7 231 2676
Gorzegno CN 7 304 2980
Dego SV 8 1985 4965
Monesiglio CN 9 645 5610
Torre Bormida CN 9 200 5810
Cortemilia CN 10 2331 8141
Spigno Monferrato AL 10 1050 9191
Saliceto CN 10 1323 10514
Olmo Gentile AT 10 80 10594
Camerana CN 10 631 11225
Feisoglio CN 11 316 11541
Cairo Montenotte SV 11 13269 24810
Mombarcaro CN 12 268 25078
Roccaverano AT 12 399 25477
Cravanzana CN 12 411 25888
Perletto CN 12 292 26180
Mombaldone AT 12 209 26389
Niella Belbo CN 12 372 26761
Cengio SV 12 3563 30324
Pareto AL 13 554 30878
San Giorgio Scarampi AT 13 122 31000
San Benedetto Belbo CN 13 179 31179
Arguello CN 13 199 31378
Cerretto Langhe CN 14 442 31820
Bosia CN 14 177 31997
Bossolasco CN 14 679 32676
Cosseria SV 14 1105 33781
Castino CN 14 483 34264
Paroldo CN 14 211 34475
Giusvalla SV 14 441 34916
Denice AL 14 176 35092
Montezemolo CN 15 259 35351
Millesimo SV 15 3383 38734
Mioglia SV 15 526 39260
Roccavignale SV 15 752 40012
Serravalle Langhe CN 15 315 40327
Plodio SV 15 650 40977
Sale delle Langhe CN 16 486 41463
Sale San Giovanni CN 16 183 41646
Borgomale CN 16 381 42027
Lequio Berria CN 16 487 42514
Vesime AT 16 622 43136
Carcare SV 16 5587 48723
Rocchetta Belbo CN 16 167 48890
Torresina CN 17 52 48942
Montechiaro d'Acqui AL 17 560 49502
Malvicino AL 17 85 49587
Murazzano CN 17 834 50421
Bonvicino CN 17 92 50513
Priero CN 17 529 51042
Cessole AT 17 403 51445
Albaretto della Torre CN 17 242 51687
Cissone CN 17 85 51772
Castelnuovo di Ceva CN 17 110 51882
Pontinvrea SV 18 847 52729
Somano CN 18 356 53085
Benevello CN 18 474 53559
Igliano CN 18 74 53633
Roascio CN 18 97 53730
Ponti AL 19 606 54336
Roddino CN 19 400 54736
Cartosio AL 19 747 55483
Monastero Bormida AT 19 931 56414
Pallare SV 19 923 57337
Ceva CN 19 5782 63119
Cossano Belbo CN 20 958 64077
Loazzolo AT 20 359 64436
Bubbio AT 20 893 65329
Castelletto d'Erro AL 20 148 65477
Marsaglia CN 20 245 65722
Sinio CN 20 522 66244

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Savona (61345 inhabitants)
45 Km S of Asti (76202 inhabitants)
55 Km E of Cuneo (56081 inhabitants)
56 Km SW of Alessandria (93943 inhabitants)
57 Km W of Genova (586655 inhabitants)
71 Km SE of Moncalieri (57294 inhabitants)
77 Km SE of Torino (890529 inhabitants)
83 Km NE of Sanremo (54807 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.8 2023-10-19
12:22:09
44.4953 8.2267 11 2023-10-19
12:38:50
Sala Sismica INGV-Roma 122198241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-19 12:22:09 ± 0.25
Latitude 44.4953 ± 0.0135
Longitude 8.2267 ± 0.0164
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122198241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1710
Semi-minor axis of confidence ellipse (meter) 990
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 1710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 122198241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-19 12:38:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-10-19T12:24:07.85 3.0 undecidable manual Sg 5.14 0
IV.MCIV.CHZ. 2023-10-19T12:23:47.12 3.0 undecidable manual Sg -0.4 0
IV.LPEL.HHZ. 2023-10-19T12:23:44.32 3.0 undecidable manual Pg 21.879999 0
IV.IMOL.HNZ. 2023-10-19T12:23:34.53 3.0 undecidable manual Sg -0.16 0
IV.RIBO.EHZ.01 2023-10-19T12:23:33.91 3.0 undecidable manual Sg -1.78 0
IV.PRMA.HHZ. 2023-10-19T12:22:36.49 3.0 positive manual Pg 3.07 0
GU.RORO.HHZ. 2023-10-19T12:22:23.27 0.6 undecidable manual S 197 44.3223 50 -0.47 46
GU.CANO.HHZ. 2023-10-19T12:22:20.06 0.3 undecidable manual S 178 31.9458 50 -0.38 72
GU.PCP.HHZ. 2023-10-19T12:22:18.35 0.6 undecidable manual S 78 25.752 50 -0.43 48
IV.QLNO.HHZ. 2023-10-19T12:22:17.71 0.6 undecidable manual S 153 21.1677 50 0.14 52
GU.GBOS.HHZ. 2023-10-19T12:22:17.14 0.1 undecidable manual P 228 41.625 50 -0.13 100
GU.RORO.HHZ. 2023-10-19T12:22:17.87 0.1 undecidable manual P 197 44.3223 50 0.18 99
GU.CANO.HHZ. 2023-10-19T12:22:16.02 0.1 undecidable manual P 178 31.9458 50 0.24 100
IV.QLNO.HHZ. 2023-10-19T12:22:14.52 0.1 positive manual P 153 21.1677 50 0.39 98
GU.PCP.HHZ. 2023-10-19T12:22:14.78 0.6 negative manual P 78 25.752 50 -0.05 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHE. ML:0.9 0.00004797245 0.1024 AML other m 2023-10-19T12:22:18.04
GU.PCP.HHN. ML:0.7 0.00002859403 1.344 AML other m 2023-10-19T12:22:18.80
GU.PCP.HHE. ML:0.8 0.000033896405 0.8384 AML other m 2023-10-19T12:22:19.32
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download