Earthquake with magnitude of ML 0.8 on date 17-09-2023 and time 01:18:32 (Italy) in region 3 km NW Centallo (CN)

A magnitude ML 0.8 earthquake occured in region: 3 km NW Centallo (CN), on

  • 16-09-2023 23:18:32 (UTC)
  • 17-09-2023 01:18:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5220, 7.5650 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
Centallo CN 3 6954 6954
Villafalletto CN 3 2925 9879
Tarantasca CN 3 2122 12001
Vottignasco CN 5 537 12538
Busca CN 7 10181 22719
Costigliole Saluzzo CN 8 3375 26094
Piasco CN 10 2774 28868
Castelletto Stura CN 10 1351 30219
Montanera CN 10 760 30979
Rossana CN 11 908 31887
Genola CN 11 2625 34512
Verzuolo CN 11 6459 40971
Lagnasco CN 12 1453 42424
Manta CN 12 3787 46211
Sant'Albano Stura CN 13 2422 48633
Fossano CN 13 24739 73372
Cuneo CN 14 56081 129453
Venasca CN 14 1437 130890
Pagno CN 15 585 131475
Castellar CN 15 295 131770
Saluzzo CN 15 16960 148730
Villar San Costanzo CN 15 1547 150277
Brondello CN 15 290 150567
Trinità CN 15 2263 152830
Caraglio CN 16 6836 159666
Morozzo CN 16 2086 161752
Savigliano CN 16 21441 183193
Margarita CN 16 1441 184634
Isasca CN 16 76 184710
Dronero CN 17 7035 191745
Brossasco CN 17 1084 192829
Cervasca CN 17 5013 197842
Valmala CN 18 52 197894
Rocca de' Baldi CN 18 1662 199556
Montemale di Cuneo CN 18 241 199797
Bernezzo CN 18 4104 203901
Scarnafigi CN 18 2162 206063
Beinette CN 18 3423 209486
Roccabruna CN 18 1585 211071
Monasterolo di Savigliano CN 19 1371 212442
Valgrana CN 19 786 213228
Salmour CN 19 704 213932
Vignolo CN 19 2600 216532
Martiniana Po CN 20 734 217266
Melle CN 20 292 217558
Magliano Alpi CN 20 2253 219811

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km N of Cuneo (56081 inhabitants)
54 Km S of Moncalieri (57294 inhabitants)
62 Km S of Torino (890529 inhabitants)
66 Km SW of Asti (76202 inhabitants)
77 Km W of Savona (61345 inhabitants)
80 Km N of Sanremo (54807 inhabitants)
94 Km W of Alessandria (93943 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 2023-09-16
23:18:32
44.5217 7.5653 10 2023-09-16
23:25:49
Sala Sismica INGV-Roma 121117471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-16 23:18:32 ± 0.22
Latitude 44.5217 ± 0.0099
Longitude 7.5653 ± 0.0177
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121117471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1520
Semi-minor axis of confidence ellipse (meter) 920
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.31027
Epicentral distance of station farthest from the epicenter (degree) 0.38041
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 121117471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-16 23:25:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2023-09-16T23:18:45.53 0.3 undecidable manual S 326 42.2244 50 -0.54 69
GU.GBOS.HHZ. 2023-09-16T23:18:44.41 0.3 undecidable manual S 145 37.9287 50 -0.52 70
GU.STV.HHZ. 2023-09-16T23:18:44.03 0.3 undecidable manual S 212 36.0417 50 -0.4 72
GU.PZZ.HHZ. 2023-09-16T23:18:44.09 0.3 undecidable manual S 267 35.6421 50 -0.21 75
GU.ENR.HHE. 2023-09-16T23:18:43.70 0.3 undecidable manual S 200 34.4433 50 -0.3 74
GU.BHB.HHZ. 2023-09-16T23:18:40.21 0.3 undecidable manual P 326 42.2244 50 0.05 77
GU.GBOS.HHZ. 2023-09-16T23:18:39.71 0.1 undecidable manual P 145 37.9287 50 0.2 100
GU.ENR.HHE. 2023-09-16T23:18:39.34 0.1 undecidable manual P 200 34.4433 50 0.37 97
GU.STV.HHZ. 2023-09-16T23:18:39.68 0.3 undecidable manual P 212 36.0417 50 0.46 71
GU.PZZ.HHZ. 2023-09-16T23:18:39.64 0.1 undecidable manual P 267 35.6421 50 0.49 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:0.8 0.00002284906 0.2176 AML other m 2023-09-16T23:18:44.86
GU.PZZ.HHN. ML:0.9 0.00002825285 0.1152 AML other m 2023-09-16T23:18:44.97
GU.STV.HHE. ML:0.7 0.000019017305 0.9344 AML other m 2023-09-16T23:18:44.22
GU.STV.HHN. ML:0.4 0.000011063905000000001 0.192 AML other m 2023-09-16T23:18:44.70
GU.BHB.HHN. ML:0.8 0.00001833681 0.9472 AML other m 2023-09-16T23:18:46.53
GU.BHB.HNN. ML:0.9 0.000024258195 0.5888 AML other m 2023-09-16T23:18:48.47
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