Earthquake with magnitude of ML 1.3 on date 11-11-2023 and time 06:53:18 (UTC) in region 2 km SW Monterosso Grana (CN)

A magnitude ML 1.3 earthquake occured in region: 2 km SW Monterosso Grana (CN), on

  • 11-11-2023 06:53:18 (UTC)
  • 11-11-2023 07:53:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3930, 7.3160 at 8 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
Monterosso Grana CN 2 505 505
Pradleves CN 4 250 755
Valgrana CN 6 786 1541
Montemale di Cuneo CN 7 241 1782
Valloriate CN 8 109 1891
Rittana CN 8 109 2000
Castelmagno CN 8 66 2066
Demonte CN 9 2003 4069
Dronero CN 9 7035 11104
Caraglio CN 9 6836 17940
Bernezzo CN 10 4104 22044
Roccabruna CN 10 1585 23629
Gaiola CN 10 582 24211
Cartignano CN 10 190 24401
Moiola CN 10 234 24635
Villar San Costanzo CN 11 1547 26182
Roccasparvera CN 12 741 26923
Aisone CN 12 248 27171
San Damiano Macra CN 12 430 27601
Cervasca CN 12 5013 32614
Vignolo CN 13 2600 35214
Valdieri CN 14 935 36149
Celle di Macra CN 15 100 36249
Vinadio CN 15 644 36893
Borgo San Dalmazzo CN 15 12468 49361
Roccavione CN 16 2761 52122
Macra CN 16 59 52181
Valmala CN 17 52 52233
Roaschia CN 18 107 52340
Entracque CN 18 774 53114
Busca CN 19 10181 63295
Cuneo CN 19 56081 119376
Melle CN 19 292 119668
Marmora CN 19 68 119736
Robilante CN 19 2306 122042
Rossana CN 19 908 122950
Stroppo CN 20 103 123053
Canosio CN 20 80 123133
Sambuco CN 20 92 123225
Venasca CN 20 1437 124662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Cuneo (56081 inhabitants)
74 Km SW of Moncalieri (57294 inhabitants)
74 Km NW of Sanremo (54807 inhabitants)
81 Km SW of Torino (890529 inhabitants)
90 Km SW of Asti (76202 inhabitants)
93 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 1.3 2023-11-11
06:53:18
44.3933 7.316 8 2023-11-11
06:59:39
Sala Sismica INGV-Roma 123024601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-11 06:53:18 ± 0.17
Latitude 44.3933 ± 0.0180
Longitude 7.3160 ± 0.0390
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123024601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3574
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 3570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.14839
Epicentral distance of station farthest from the epicenter (degree) 0.68438
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 123024601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-11 06:59:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2023-11-11T06:53:42.75 1.0 undecidable manual S 105 75.9684 50 0.72 19
GU.IMI.HHZ. 2023-11-11T06:53:40.61 0.3 undecidable manual S 139 70.5738 50 0.03 70
GU.BHB.HHZ. 2023-11-11T06:53:34.12 0.6 undecidable manual S 355 49.2174 50 -0.76 40
GU.IMI.HHZ. 2023-11-11T06:53:32.15 1.0 undecidable manual P 139 70.5738 50 0.85 18
GU.GBOS.HHZ. 2023-11-11T06:53:32.89 0.6 undecidable manual S 112 44.8218 50 -0.83 39
GU.CANO.HHZ. 2023-11-11T06:53:32.78 1.0 undecidable manual P 105 75.9684 50 0.64 20
GU.BHB.HHZ. 2023-11-11T06:53:28.18 1.0 negative manual P 355 49.2174 50 0.17 24
GU.GBOS.HHZ. 2023-11-11T06:53:27.74 0.6 undecidable manual P 112 44.8218 50 0.4 45
GU.PZZ.HHZ. 2023-11-11T06:53:26.04 0.6 undecidable manual S 308 20.2686 112 -0.15 50
GU.ENR.HHE. 2023-11-11T06:53:25.55 0.6 undecidable manual S 156 19.869 112 -0.53 46
GU.STV.HHZ. 2023-11-11T06:53:24.40 0.6 undecidable manual S 177 16.4724 116 -0.59 45
GU.ENR.HHE. 2023-11-11T06:53:23.09 0.1 undecidable manual P 156 19.869 112 0.16 100
GU.PZZ.HHZ. 2023-11-11T06:53:23.32 0.6 negative manual P 308 20.2686 112 0.33 48
GU.STV.HHZ. 2023-11-11T06:53:22.53 0.1 negative manual P 177 16.4724 116 0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.4 0.00017749999999999998 0.16 AML other m 2023-11-11T06:53:26.44
GU.PZZ.HHE. ML:1.4 0.00019250000000000002 0.54 AML other m 2023-11-11T06:53:26.45
GU.BHB.HNN. ML:1.3 0.0000518 0.4 AML other m 2023-11-11T06:53:28.77
GU.BHB.HNE. ML:1.4 0.000060049999999999996 1.6 AML other m 2023-11-11T06:53:30.85
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