Earthquake with magnitude of ML 1.4 on date 10-05-2023 and time 03:54:30 (UTC) in region 3 km E Castelmagno (CN)

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

  • 10-05-2023 03:54:30 (UTC)
  • 10-05-2023 05:54:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4010, 7.2490 at 14 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
Castelmagno CN 3 66 66
Pradleves CN 3 250 316
Monterosso Grana CN 6 505 821
Cartignano CN 9 190 1011
Aisone CN 10 248 1259
San Damiano Macra CN 10 430 1689
Demonte CN 10 2003 3692
Valgrana CN 11 786 4478
Celle di Macra CN 11 100 4578
Montemale di Cuneo CN 11 241 4819
Roccabruna CN 11 1585 6404
Dronero CN 12 7035 13439
Vinadio CN 12 644 14083
Valloriate CN 12 109 14192
Macra CN 12 59 14251
Rittana CN 13 109 14360
Marmora CN 14 68 14428
Villar San Costanzo CN 14 1547 15975
Moiola CN 14 234 16209
Caraglio CN 14 6836 23045
Gaiola CN 15 582 23627
Canosio CN 15 80 23707
Bernezzo CN 15 4104 27811
Stroppo CN 15 103 27914
Sambuco CN 15 92 28006
Roccasparvera CN 17 741 28747
Cervasca CN 18 5013 33760
Prazzo CN 18 170 33930
Valmala CN 18 52 33982
Valdieri CN 18 935 34917
Vignolo CN 18 2600 37517
Pietraporzio CN 18 77 37594
Melle CN 19 292 37886
Frassino CN 19 265 38151
Elva CN 20 97 38248

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Cuneo (56081 inhabitants)
75 Km SW of Moncalieri (57294 inhabitants)
77 Km NW of Sanremo (54807 inhabitants)
82 Km SW of Torino (890529 inhabitants)
94 Km SW of Asti (76202 inhabitants)
99 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 2023-05-10
03:54:30
44.4008 7.2492 14 2023-05-10
03:59:33
Sala Sismica INGV-Roma 117202851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-10 03:54:30 ± 0.21
Latitude 44.4008 ± 0.0108
Longitude 7.2492 ± 0.0201
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117202851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1598
Semi-minor axis of confidence ellipse (meter) 862
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 1600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.14209
Epicentral distance of station farthest from the epicenter (degree) 0.93529
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 117202851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-10 03:59:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2023-05-10T03:54:52.18 0.3 undecidable manual S 116 72.372 93 -0.6 63
4P.IT06A.HHZ. 2023-05-10T03:54:48.06 0.3 undecidable manual S 73 52.1034 94 0.67 62
GU.PCP.HHZ. 2023-05-10T03:54:48.88 1.0 positive manual P 81 103.8183 92 0.48 20
GU.GBOS.HHZ. 2023-05-10T03:54:46.16 0.3 undecidable manual S 110 50.1165 95 -0.68 64
GU.BHB.HHZ. 2023-05-10T03:54:45.38 0.3 undecidable manual S 1 48.2184 95 -0.97 55
GU.CANO.HHZ. 2023-05-10T03:54:45.22 0.6 positive manual P 105 81.3519 93 0.28 44
GU.IMI.HHZ. 2023-05-10T03:54:44.12 0.3 undecidable manual P 136 74.7696 93 0.19 68
GU.RORO.HHZ. 2023-05-10T03:54:43.71 0.1 negative manual P 116 72.372 93 0.14 93
4P.IT06A.HHZ. 2023-05-10T03:54:41.20 0.6 negative manual P 73 52.1034 94 0.75 40
GU.GBOS.HHZ. 2023-05-10T03:54:40.26 0.6 negative manual P 110 50.1165 95 0.12 48
GU.BHB.HHZ. 2023-05-10T03:54:39.31 0.6 undecidable manual P 1 48.2184 95 -0.54 44
GU.ENR.HHZ. 2023-05-10T03:54:39.48 0.6 undecidable manual S 145 23.2545 105 -0.28 50
GU.STV.HHZ. 2023-05-10T03:54:38.13 0.6 undecidable manual S 160 18.3705 113 -0.38 49
GU.PZZ.HHZ. 2023-05-10T03:54:37.84 0.6 undecidable manual S 318 15.7731 118 -0.06 52
GU.ENR.HHZ. 2023-05-10T03:54:36.25 0.1 undecidable manual P 145 23.2545 105 0.2 100
GU.PZZ.HHZ. 2023-05-10T03:54:35.34 0.1 positive manual P 318 15.7731 118 0.36 99
GU.STV.HHZ. 2023-05-10T03:54:35.52 0.6 undecidable manual P 160 18.3705 113 0.19 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.6 0.00028349999999999995 1.7 AML other m 2023-05-10T03:54:37.12
GU.STV.HHN. ML:1.2 0.00012605 0.1 AML other m 2023-05-10T03:54:38.20
GU.PZZ.HHE. ML:1.7 0.000376 0.24 AML other m 2023-05-10T03:54:38.12
GU.STV.HHE. ML:1.2 0.00011375 0.28 AML other m 2023-05-10T03:54:38.17
GU.ENR.HHN. ML:1.9 0.0005420000000000001 0.08 AML other m 2023-05-10T03:54:39.52
GU.ENR.HHE. ML:1.9 0.000518 0.08 AML other m 2023-05-10T03:54:39.57
GU.GBOS.HHE. ML:1.1 0.0000297 0.78 AML other m 2023-05-10T03:54:46.52
GU.GBOS.HHN. ML:1.0 0.000026249999999999998 0.82 AML other m 2023-05-10T03:54:46.55
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