Earthquake with magnitude of ML 1.0 on date 16-10-2023 and time 07:47:17 (Italy) in region 2 km E Rossana (CN)

A magnitude ML 1.0 earthquake occured in region: 2 km E Rossana (CN), on

  • 16-10-2023 05:47:17 (UTC)
  • 16-10-2023 07:47:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5450, 7.4610 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
Rossana CN 2 908 908
Piasco CN 3 2774 3682
Costigliole Saluzzo CN 3 3375 7057
Busca CN 4 10181 17238
Venasca CN 6 1437 18675
Villafalletto CN 6 2925 21600
Verzuolo CN 7 6459 28059
Brondello CN 8 290 28349
Isasca CN 8 76 28425
Manta CN 8 3787 32212
Pagno CN 8 585 32797
Brossasco CN 8 1084 33881
Castellar CN 9 295 34176
Tarantasca CN 9 2122 36298
Valmala CN 9 52 36350
Villar San Costanzo CN 9 1547 37897
Vottignasco CN 10 537 38434
Melle CN 11 292 38726
Centallo CN 11 6954 45680
Dronero CN 12 7035 52715
Saluzzo CN 12 16960 69675
Lagnasco CN 12 1453 71128
Martiniana Po CN 12 734 71862
Roccabruna CN 12 1585 73447
Gambasca CN 13 371 73818
Revello CN 14 4262 78080
Montemale di Cuneo CN 14 241 78321
Caraglio CN 14 6836 85157
Rifreddo CN 15 1078 86235
Frassino CN 15 265 86500
Cartignano CN 16 190 86690
Sanfront CN 16 2395 89085
Valgrana CN 16 786 89871
Envie CN 17 2074 91945
Genola CN 17 2625 94570
San Damiano Macra CN 17 430 95000
Bernezzo CN 17 4104 99104
Scarnafigi CN 18 2162 101266
Cervasca CN 18 5013 106279
Castelletto Stura CN 18 1351 107630
Cuneo CN 18 56081 163711
Monterosso Grana CN 19 505 164216
Montanera CN 19 760 164976
Savigliano CN 20 21441 186417
Pradleves CN 20 250 186667

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Cuneo (56081 inhabitants)
54 Km SW of Moncalieri (57294 inhabitants)
61 Km SW of Torino (890529 inhabitants)
71 Km SW of Asti (76202 inhabitants)
84 Km NW of Sanremo (54807 inhabitants)
85 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 1.0 2023-10-16
05:47:17
44.5448 7.4608 10 2023-10-16
06:01:30
Sala Sismica INGV-Roma 122120171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-16 05:47:17 ± 0.2
Latitude 44.5448 ± 0.0099
Longitude 7.4608 ± 0.0164
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122120171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1410
Semi-minor axis of confidence ellipse (meter) 940
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 1410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.24911
Epicentral distance of station farthest from the epicenter (degree) 0.40649
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:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 122120171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-16 06:01:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2023-10-16T05:47:32.75 0.1 undecidable manual S 138 45.1215 50 0.08 99
GU.STV.HHZ. 2023-10-16T05:47:29.23 0.1 undecidable manual S 198 34.9428 50 -0.72 85
GU.BHB.HHZ. 2023-10-16T05:47:29.77 0.1 undecidable manual S 334 35.8419 50 -0.42 94
GU.PZZ.HHZ. 2023-10-16T05:47:28.21 0.1 undecidable manual S 261 27.6501 50 0.21 100
GU.GBOS.HHZ. 2023-10-16T05:47:27.02 0.6 negative manual P 138 45.1215 50 0.58 44
GU.BHB.HHZ. 2023-10-16T05:47:25.05 0.6 undecidable manual P 334 35.8419 50 0.04 51
GU.PZZ.HHZ. 2023-10-16T05:47:24.29 0.1 positive manual P 261 27.6501 50 0.54 92
4P.IT06A.HHE. 2023-10-16T05:47:24.45 1.0 undecidable manual P 92 33.1446 50 -0.15 25
GU.STV.HHZ. 2023-10-16T05:47:24.84 0.6 undecidable manual P 198 34.9428 50 -0.03 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.0 0.0000567 0.84 AML other m 2023-10-16T05:47:28.39
GU.PZZ.HHE. ML:1.0 0.00005265 0.24 AML other m 2023-10-16T05:47:28.47
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