Earthquake with magnitude of ML 1.4 on date 02-08-2023 and time 23:56:12 (Italy) in region 3 km S Cartignano (CN)

A magnitude ML 1.4 earthquake occured in region: 3 km S Cartignano (CN), on

  • 02-08-2023 21:56:12 (UTC)
  • 02-08-2023 23:56:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4530, 7.2850 at 4 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
Cartignano CN 3 190 190
Pradleves CN 4 250 440
San Damiano Macra CN 5 430 870
Roccabruna CN 5 1585 2455
Monterosso Grana CN 6 505 2960
Dronero CN 7 7035 9995
Montemale di Cuneo CN 7 241 10236
Castelmagno CN 7 66 10302
Villar San Costanzo CN 8 1547 11849
Celle di Macra CN 9 100 11949
Valgrana CN 9 786 12735
Macra CN 10 59 12794
Valmala CN 11 52 12846
Caraglio CN 12 6836 19682
Melle CN 13 292 19974
Frassino CN 13 265 20239
Stroppo CN 14 103 20342
Bernezzo CN 14 4104 24446
Brossasco CN 15 1084 25530
Valloriate CN 15 109 25639
Rittana CN 15 109 25748
Marmora CN 15 68 25816
Venasca CN 15 1437 27253
Demonte CN 15 2003 29256
Rossana CN 16 908 30164
Sampeyre CN 16 1022 31186
Canosio CN 16 80 31266
Aisone CN 16 248 31514
Gaiola CN 16 582 32096
Busca CN 17 10181 42277
Cervasca CN 17 5013 47290
Isasca CN 17 76 47366
Moiola CN 17 234 47600
Roccasparvera CN 18 741 48341
Vignolo CN 18 2600 50941
Vinadio CN 18 644 51585
Elva CN 18 97 51682
Prazzo CN 19 170 51852
Piasco CN 19 2774 54626
Brondello CN 19 290 54916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Cuneo (56081 inhabitants)
69 Km SW of Moncalieri (57294 inhabitants)
76 Km SW of Torino (890529 inhabitants)
81 Km NW of Sanremo (54807 inhabitants)
88 Km SW of Asti (76202 inhabitants)
97 Km W of Savona (61345 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 1.4 2023-08-02
21:56:12
44.453 7.2852 4 2023-08-02
22:03:29
Sala Sismica INGV-Roma 119806741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-02 21:56:12 ± 0.16
Latitude 44.4530 ± 0.0072
Longitude 7.2852 ± 0.0126
Depth (km) 4 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119806741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 959
Semi-minor axis of confidence ellipse (meter) 551
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.13220
Epicentral distance of station farthest from the epicenter (degree) 0.72305
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:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 119806741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-02 22:03:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
4P.IT06A.HHZ. 2023-08-02T21:56:29.38 0.3 undecidable manual S 79 47.9187 94 0.33 68
GU.CANO.HHZ. 2023-08-02T21:56:27.25 0.1 undecidable manual P 109 80.2641 50 0.16 88
GU.BHB.HHZ. 2023-08-02T21:56:26.17 0.3 undecidable manual S 358 42.4242 95 -0.98 54
GU.RORO.HHZ. 2023-08-02T21:56:25.70 0.3 undecidable manual P 121 72.6717 50 -0.21 66
GU.GBOS.HHZ. 2023-08-02T21:56:22.11 0.1 undecidable manual P 118 49.9167 94 -0.27 91
4P.IT06A.HHZ. 2023-08-02T21:56:22.64 0.1 undecidable manual P 79 47.9187 94 0.64 82
GU.ENR.HHZ. 2023-08-02T21:56:21.50 0.1 undecidable manual S 157 26.9508 98 -0.3 94
GU.BHB.HHZ. 2023-08-02T21:56:20.37 0.3 undecidable manual P 358 42.4242 95 -0.53 65
GU.STV.HHZ. 2023-08-02T21:56:20.06 0.1 undecidable manual S 172 23.2545 99 -0.48 91
GU.ENR.HHZ. 2023-08-02T21:56:18.13 0.1 undecidable manual P 157 26.9508 98 0.32 94
GU.STV.HHZ. 2023-08-02T21:56:17.35 0.1 undecidable manual P 172 23.2545 99 0.26 96
GU.PZZ.HHZ. 2023-08-02T21:56:17.74 0.1 undecidable manual S 294 14.6742 104 0.13 100
GU.PZZ.HHZ. 2023-08-02T21:56:15.87 0.1 undecidable manual P 294 14.6742 104 0.47 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.9 0.000848 1.58 AML other m 2023-08-02T21:56:18.20
GU.PZZ.HHE. ML:1.6 0.0005175000000000001 0.42 AML other m 2023-08-02T21:56:18.22
GU.STV.HHE. ML:0.9 0.0000558 0.5 AML other m 2023-08-02T21:56:20.38
GU.ENR.HHN. ML:1.4 0.00014350000000000002 0.08 AML other m 2023-08-02T21:56:22.27
GU.ENR.HHE. ML:1.3 0.0001235 0.14 AML other m 2023-08-02T21:56:22.23
GU.STV.HHN. ML:0.8 0.000038 0.76 AML other m 2023-08-02T21:56:22.55
GU.GBOS.HHN. ML:1.3 0.00005485 1.42 AML other m 2023-08-02T21:56:28.76
GU.GBOS.HHE. ML:1.4 0.00006850000000000001 1.52 AML other m 2023-08-02T21:56:28.02
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