Earthquake with magnitude of ML 1.0 on date 25-11-2023 and time 14:39:15 (UTC) in region 4 km W Merana (AL)

A magnitude ML 1.0 earthquake occured in region: 4 km W Merana (AL), on

  • 25-11-2023 14:39:15 (UTC)
  • 25-11-2023 15:39:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5030, 8.2470 at 10 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
Merana AL 5 189 189
Castelletto Uzzone CN 5 331 520
Piana Crixia SV 5 788 1308
Pezzolo Valle Uzzone CN 6 344 1652
Serole AT 6 123 1775
Bergolo CN 7 71 1846
Dego SV 8 1985 3831
Gottasecca CN 8 148 3979
Levice CN 8 231 4210
Prunetto CN 8 451 4661
Spigno Monferrato AL 9 1050 5711
Gorzegno CN 9 304 6015
Olmo Gentile AT 9 80 6095
Cortemilia CN 10 2331 8426
Torre Bormida CN 10 200 8626
Mombaldone AT 10 209 8835
Roccaverano AT 10 399 9234
Monesiglio CN 11 645 9879
Pareto AL 11 554 10433
Perletto CN 11 292 10725
Cairo Montenotte SV 12 13269 23994
Saliceto CN 12 1323 25317
Camerana CN 12 631 25948
Feisoglio CN 12 316 26264
San Giorgio Scarampi AT 12 122 26386
Cravanzana CN 12 411 26797
Denice AL 13 176 26973
Cengio SV 13 3563 30536
Giusvalla SV 13 441 30977
Mioglia SV 13 526 31503
Niella Belbo CN 13 372 31875
Mombarcaro CN 13 268 32143
Bosia CN 14 177 32320
Castino CN 14 483 32803
Arguello CN 14 199 33002
Cerretto Langhe CN 14 442 33444
Montechiaro d'Acqui AL 15 560 34004
Cosseria SV 15 1105 35109
Malvicino AL 15 85 35194
San Benedetto Belbo CN 15 179 35373
Vesime AT 15 622 35995
Bossolasco CN 15 679 36674
Millesimo SV 16 3383 40057
Borgomale CN 16 381 40438
Paroldo CN 16 211 40649
Montezemolo CN 16 259 40908
Rocchetta Belbo CN 16 167 41075
Plodio SV 16 650 41725
Roccavignale SV 16 752 42477
Pontinvrea SV 16 847 43324
Serravalle Langhe CN 16 315 43639
Cessole AT 16 403 44042
Lequio Berria CN 16 487 44529
Carcare SV 16 5587 50116
Ponti AL 17 606 50722
Cartosio AL 17 747 51469
Monastero Bormida AT 17 931 52400
Sale delle Langhe CN 17 486 52886
Sale San Giovanni CN 18 183 53069
Albaretto della Torre CN 18 242 53311
Benevello CN 18 474 53785
Castelletto d'Erro AL 18 148 53933
Bonvicino CN 18 92 54025
Murazzano CN 18 834 54859
Bubbio AT 18 893 55752
Torresina CN 18 52 55804
Cissone CN 18 85 55889
Priero CN 19 529 56418
Loazzolo AT 19 359 56777
Castelnuovo di Ceva CN 19 110 56887
Cossano Belbo CN 19 958 57845
Somano CN 19 356 58201
Ponzone AL 19 1051 59252
Pallare SV 20 923 60175
Sassello SV 20 1777 61952
Igliano CN 20 74 62026
Roddino CN 20 400 62426
Sessame AT 20 271 62697

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Savona (61345 inhabitants)
44 Km S of Asti (76202 inhabitants)
54 Km SW of Alessandria (93943 inhabitants)
55 Km W of Genova (586655 inhabitants)
56 Km E of Cuneo (56081 inhabitants)
71 Km SE of Moncalieri (57294 inhabitants)
78 Km SE of Torino (890529 inhabitants)
84 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 1.0 2023-11-25
14:39:15
44.5027 8.2468 11 2023-11-25
14:57:38
Sala Sismica INGV-Roma 123438201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-25 14:39:15 ± 0.17
Latitude 44.5027 ± 0.0117
Longitude 8.2468 ± 0.0126
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123438201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1420
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 24
Circular confidence region, given by single value of horizontal uncertainty (meter) 1420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.19156
Epicentral distance of station farthest from the epicenter (degree) 0.77432
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 123438201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-25 14:57:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHE. 2023-11-25T14:39:29.99 0.1 undecidable manual P 296 85.9473 50 -0.5 85
GU.STV.HHE. 2023-11-25T14:39:29.70 0.1 undecidable manual P 249 78.366 50 0.38 90
GU.ENR.HHE. 2023-11-25T14:39:28.71 0.1 undecidable manual P 246 72.372 50 0.31 93
4P.IT06A.HHZ. 2023-11-25T14:39:25.40 0.6 undecidable manual S 277 29.2485 50 -0.74 43
GU.PCP.HHZ. 2023-11-25T14:39:24.80 0.6 undecidable manual S 80 23.9538 50 0.06 53
IV.QLNO.HHZ. 2023-11-25T14:39:23.80 0.6 undecidable manual S 158 21.2676 116 -0.19 52
GU.RORO.HHZ. 2023-11-25T14:39:23.94 1.0 undecidable manual P 198 45.621 50 -0.33 24
GU.CANO.HHZ. 2023-11-25T14:39:22.03 0.1 undecidable manual P 181 32.745 50 -0.26 100
4P.IT06A.HHZ. 2023-11-25T14:39:22.18 0.1 undecidable manual P 277 29.2485 50 0.43 98
GU.PCP.HHZ. 2023-11-25T14:39:21.02 1.0 negative manual P 80 23.9538 50 0.08 26
IV.QLNO.HHZ. 2023-11-25T14:39:20.67 0.6 positive manual P 158 21.2676 116 0.16 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHN. ML:0.8 0.000039021385 0.1408 AML other m 2023-11-25T14:39:24.62
GU.PCP.HHN. ML:0.8 0.000039235289300000005 0.16 AML other m 2023-11-25T14:39:25.06
GU.PCP.HHE. ML:0.6 0.0000240136115 0.1408 AML other m 2023-11-25T14:39:25.02
GU.CANO.HHN. ML:1.0 0.000043558695 0.2624 AML other m 2023-11-25T14:39:31.29
GU.CANO.HHE. ML:1.4 0.0001224981 1.344 AML other m 2023-11-25T14:39:39.74
GU.GBOS.HHN. ML:1.6 0.00011687885 2.7776 AML other m 2023-11-25T14:39:37.95
GU.GBOS.HHE. ML:1.2 0.0000551566 1.9008 AML other m 2023-11-25T14:39:38.76
GU.RORO.HHE. ML:1.2 0.000048229909 1.024 AML other m 2023-11-25T14:39:37.72
GU.RORO.HHN. ML:0.9 0.0000266415895 1.4016 AML other m 2023-11-25T14:39:23.80
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