Earthquake with magnitude of ML 1.6 on date 18-07-2023 and time 08:14:06 (UTC) in region 2 km S Stroppo (CN)

A magnitude ML 1.6 earthquake occured in region: 2 km S Stroppo (CN), on

  • 18-07-2023 08:14:06 (UTC)
  • 18-07-2023 10:14:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4840, 7.1260 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
Stroppo CN 3 103 103
Marmora CN 4 68 171
Celle di Macra CN 4 100 271
Macra CN 5 59 330
Canosio CN 5 80 410
Prazzo CN 6 170 580
Elva CN 7 97 677
San Damiano Macra CN 10 430 1107
Acceglio CN 11 162 1269
Castelmagno CN 11 66 1335
Sampeyre CN 12 1022 2357
Casteldelfino CN 13 157 2514
Cartignano CN 13 190 2704
Bellino CN 14 109 2813
Pradleves CN 14 250 3063
Frassino CN 15 265 3328
Sambuco CN 17 92 3420
Argentera CN 17 83 3503
Roccabruna CN 17 1585 5088
Pontechianale CN 17 179 5267
Pietraporzio CN 17 77 5344
Monterosso Grana CN 18 505 5849
Melle CN 18 292 6141
Valmala CN 19 52 6193
Dronero CN 19 7035 13228
Vinadio CN 20 644 13872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Cuneo (56081 inhabitants)
73 Km SW of Moncalieri (57294 inhabitants)
79 Km SW of Torino (890529 inhabitants)
91 Km NW of Sanremo (54807 inhabitants)
97 Km W of Asti (76202 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 1.6 2023-07-18
08:14:06
44.4843 7.1265 10 2023-07-18
08:22:41
Sala Sismica INGV-Roma 119363191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-18 08:14:06 ± 0.18
Latitude 44.4843 ± 0.0126
Longitude 7.1265 ± 0.0277
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119363191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2456
Semi-minor axis of confidence ellipse (meter) 519
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 2460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98566
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 119363191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-18 08:22:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.HHZ. 2023-07-18T08:15:44.53 3.0 undecidable manual Sg 9.74 0
IV.PTCC.HHZ. 2023-07-18T08:15:36.28 3.0 undecidable manual Pg 17.360001 0
IV.ZCCA.HNZ. 2023-07-18T08:15:35.37 3.0 undecidable manual Sn 5.33 0
IV.LAV9.HNZ. 2023-07-18T08:15:35.88 3.0 undecidable manual Pg 14.84 0
IV.MML1.EHZ. 2023-07-18T08:15:17.26 3.0 positive manual Pn 2.7 0
IV.BAG8.EHZ. 2023-07-18T08:15:00.95 3.0 undecidable manual Pg 10.62 0
IV.TREG.HNZ. 2023-07-18T08:14:56.16 3.0 positive manual Pn 1.05 0
FR.SAOF.HHZ.00 2023-07-18T08:14:26.33 0.6 undecidable manual S 148 64.8906 50 -0.61 42
GU.PCP.HHZ. 2023-07-18T08:14:26.93 3.0 negative manual P -0.6 0
RD.ORIF.BHE. 2023-07-18T08:14:25.86 0.1 undecidable manual P 297 109.4127 50 0.52 79
GU.CANO.HHZ. 2023-07-18T08:14:24.21 3.0 positive manual P -0.81 0
IV.QLNO.HHZ. 2023-07-18T08:14:24.74 3.0 undecidable manual P -1.01 0
GU.RRL.HHZ. 2023-07-18T08:14:23.76 0.6 undecidable manual S 331 55.2003 50 -0.61 43
GU.RORO.HHZ. 2023-07-18T08:14:22.55 3.0 undecidable manual P -0.89 0
GU.IMI.HHZ. 2023-07-18T08:14:22.96 0.1 undecidable manual P 136 88.1451 50 0.9 71
GU.MGRO.HHZ. 2023-07-18T08:14:20.41 0.3 positive manual P 132 73.0713 50 0.68 60
GU.BHB.HHZ. 2023-07-18T08:14:20.25 0.6 undecidable manual S 15 40.4262 50 -0.16 49
GU.ENR.HHZ. 2023-07-18T08:14:18.76 0.6 undecidable manual S 141 36.5412 50 -0.62 44
FR.SAOF.HHZ.00 2023-07-18T08:14:18.80 0.6 negative manual P 148 64.8906 50 0.33 45
GU.GBOS.HHZ. 2023-07-18T08:14:18.71 0.6 undecidable manual P 115 62.6928 50 0.58 42
GU.STV.HHZ. 2023-07-18T08:14:16.89 0.6 undecidable manual S 149 30.9468 50 -0.99 38
GU.RRL.HHZ. 2023-07-18T08:14:16.80 0.1 undecidable manual P 331 55.2003 50 -0.18 95
GU.BHB.HHZ. 2023-07-18T08:14:14.77 0.1 negative manual P 15 40.4262 50 0.07 100
GU.STV.HHZ. 2023-07-18T08:14:13.02 0.1 negative manual P 149 30.9468 50 -0.22 99
GU.ENR.HHZ. 2023-07-18T08:14:13.98 0.6 undecidable manual P 141 36.5412 50 -0.12 50
GU.PZZ.HHZ. 2023-07-18T08:14:09.89 0.6 undecidable manual S 341 2.5974 165 -0.55 48
GU.PZZ.HHZ. 2023-07-18T08:14:08.96 0.3 undecidable manual P 341 2.5974 165 0.02 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:2.4 0.005019999999999999 1.34 AML other m 2023-07-18T08:14:09.95
GU.PZZ.HHE. ML:2.6 0.00708 0.68 AML other m 2023-07-18T08:14:10.06
GU.STV.HHN. ML:1.3 0.00010045 0.52 AML other m 2023-07-18T08:14:17.57
GU.STV.HHE. ML:1.3 0.00009870000000000001 0.14 AML other m 2023-07-18T08:14:17.92
GU.ENR.HHN. ML:1.7 0.00020950000000000002 0.12 AML other m 2023-07-18T08:14:19.62
GU.ENR.HHE. ML:1.6 0.000167 0.06 AML other m 2023-07-18T08:14:19.89
GU.BHB.HHE. ML:2.0 0.0003215 0.42 AML other m 2023-07-18T08:14:20.95
GU.BHB.HNE. ML:2.0 0.000345 0.42 AML other m 2023-07-18T08:14:20.95
GU.BHB.HHN. ML:1.9 0.00028649999999999997 1.7 AML other m 2023-07-18T08:14:21.92
GU.BHB.HNN. ML:1.9 0.0002915 0.66 AML other m 2023-07-18T08:14:21.07
GU.RRL.HHE. ML:1.4 0.0000659 0.64 AML other m 2023-07-18T08:14:25.82
GU.RRL.HHN. ML:1.3 0.00004845 0.84 AML other m 2023-07-18T08:14:26.38
GU.GBOS.HHN. ML:1.6 0.00006765 0.16 AML other m 2023-07-18T08:14:26.97
GU.GBOS.HHE. ML:1.5 0.00006405 0.92 AML other m 2023-07-18T08:14:27.24
FR.SAOF.HHE.00 ML:1.5 0.0000619 0.96 AML other m 2023-07-18T08:14:27.61
FR.SAOF.HHN.00 ML:1.3 0.000040400000000000006 0.64 AML other m 2023-07-18T08:14:29.95
MN.BNI.HHE. ML:1.2 0.000024750000000000002 0.16 AML other m 2023-07-18T08:14:30.90
MN.BNI.HHN. ML:1.0 0.000016 0.96 AML other m 2023-07-18T08:14:31.46
GU.RORO.HHE. ML:1.4 0.00003675 0.78 AML other m 2023-07-18T08:14:34.48
GU.IMI.HHN. ML:1.5 0.00003395 0.36 AML other m 2023-07-18T08:14:34.41
GU.RORO.HHN. ML:1.5 0.000040999999999999994 0.78 AML other m 2023-07-18T08:14:34.39
GU.IMI.HHE. ML:1.5 0.00003759999999999999 0.44 AML other m 2023-07-18T08:14:35.18
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