Earthquake with magnitude of ML 1.7 on date 03-03-2023 and time 22:00:10 (Italy) in region 4 km W Frassino (CN)

A magnitude ML 1.7 earthquake occured in region: 4 km W Frassino (CN), on

  • 03-03-2023 21:00:10 (UTC)
  • 03-03-2023 22:00:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5560, 7.2370 at 13 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Frassino CN 4 265 265
Sampeyre CN 5 1022 1287
Melle CN 7 292 1579
Macra CN 8 59 1638
San Damiano Macra CN 8 430 2068
Valmala CN 9 52 2120
Celle di Macra CN 9 100 2220
Cartignano CN 10 190 2410
Brossasco CN 10 1084 3494
Stroppo CN 10 103 3597
Elva CN 12 97 3694
Isasca CN 12 76 3770
Gambasca CN 12 371 4141
Sanfront CN 12 2395 6536
Roccabruna CN 12 1585 8121
Venasca CN 13 1437 9558
Martiniana Po CN 13 734 10292
Casteldelfino CN 14 157 10449
Rifreddo CN 14 1078 11527
Oncino CN 14 76 11603
Villar San Costanzo CN 14 1547 13150
Dronero CN 14 7035 20185
Brondello CN 14 290 20475
Paesana CN 15 2784 23259
Marmora CN 16 68 23327
Rossana CN 16 908 24235
Pradleves CN 16 250 24485
Ostana CN 16 83 24568
Revello CN 16 4262 28830
Prazzo CN 16 170 29000
Castelmagno CN 16 66 29066
Canosio CN 17 80 29146
Pagno CN 17 585 29731
Montemale di Cuneo CN 17 241 29972
Crissolo CN 17 168 30140
Castellar CN 18 295 30435
Bellino CN 18 109 30544
Piasco CN 18 2774 33318
Monterosso Grana CN 18 505 33823
Envie CN 18 2074 35897
Pontechianale CN 18 179 36076
Busca CN 19 10181 46257
Costigliole Saluzzo CN 20 3375 49632
Valgrana CN 20 786 50418

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Cuneo (56081 inhabitants)
61 Km SW of Moncalieri (57294 inhabitants)
67 Km SW of Torino (890529 inhabitants)
86 Km W of Asti (76202 inhabitants)
93 Km NW of Sanremo (54807 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
Bulletin
Rev1000
ML 1.7 2023-03-03
21:00:10
44.5562 7.2372 13 2024-03-01
17:17:59
Bollettino Sismico Italiano INGV 115470471
Reviewed
Rev100
ML 1.7 2023-03-03
21:00:10
44.5582 7.2457 11 2023-03-03
21:08:47
Sala Sismica INGV-Roma 114972511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-03 21:00:10 ± 0.09
Latitude 44.5562 ± 0.0063
Longitude 7.2372 ± 0.0101
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115470471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 834
Semi-minor axis of confidence ellipse (meter) 358
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 1.21948
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 114972511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-03 21:08:47

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 115470471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-14 17:41:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
RD.ORIF.BHZ. 2023-03-03T21:00:42.82 0.6 undecidable manual S 291 114.1968 91 -0.39 40
GU.PCP.HHZ. 2023-03-03T21:00:40.30 0.6 undecidable manual S 90 103.4187 91 -0.04 43
GU.LSD.HHZ. 2023-03-03T21:00:39.20 0.3 undecidable manual S 355 100.5216 91 -0.35 61
IV.QLNO.HHZ. 2023-03-03T21:00:37.45 0.6 undecidable manual S 106 91.5417 91 0.31 43
GU.CANO.HHZ. 2023-03-03T21:00:35.65 0.6 undecidable manual S 116 88.245 91 -0.62 38
GU.RORO.HHZ. 2023-03-03T21:00:34.18 0.3 undecidable manual S 126 82.1511 92 -0.48 62
IV.MRGE.HHZ. 2023-03-03T21:00:33.54 0.1 undecidable manual P 354 135.3645 91 1 62
GU.MGRO.HHZ. 2023-03-03T21:00:31.75 0.6 undecidable manual S 141 72.7716 92 -0.41 43
GU.RSP.HHZ. 2023-03-03T21:00:30.37 0.6 undecidable manual S 2 65.6898 92 0.1 47
FR.SAOF.HHZ.00 2023-03-03T21:00:30.13 0.6 undecidable manual S 158 68.0763 92 -0.75 39
RD.ORIF.BHZ. 2023-03-03T21:00:30.00 0.1 undecidable manual P 291 114.1968 91 0.72 72
GU.GBOS.HHZ. 2023-03-03T21:00:28.08 0.6 undecidable manual S 126 59.1963 92 -0.44 44
GU.PCP.HHZ. 2023-03-03T21:00:28.27 0.1 undecidable manual P 90 103.4187 91 0.65 77
GU.TRAV.HHZ. 2023-03-03T21:00:28.17 0.3 undecidable manual P 20 113.2977 91 -0.97 47
GU.CIRO.HHZ. 2023-03-03T21:00:28.81 0.3 undecidable manual P 12 118.8921 91 -1.18 41
GU.LSD.HHZ. 2023-03-03T21:00:27.84 0.1 undecidable manual P 355 100.5216 91 0.67 77
IV.QLNO.HHZ. 2023-03-03T21:00:26.47 0.3 undecidable manual P 106 91.5417 91 0.69 58
GU.RRL.HHZ. 2023-03-03T21:00:26.58 0.3 undecidable manual S 319 53.7018 93 -0.47 65
GU.CANO.HHZ. 2023-03-03T21:00:25.76 0.1 undecidable manual P 116 88.245 91 0.48 83
GU.BURY.HHZ. 2023-03-03T21:00:25.91 0.3 undecidable manual P 163 89.5437 91 0.43 62
GU.RORO.HHZ. 2023-03-03T21:00:24.54 0.1 undecidable manual P 126 82.1511 92 0.19 89
GU.MGRO.HHZ. 2023-03-03T21:00:23.12 0.1 undecidable manual P 141 72.7716 92 0.22 90
IV.MONC.HHZ. 2023-03-03T21:00:23.53 0.1 undecidable manual P 43 79.0653 92 -0.33 85
FR.SAOF.HHZ.00 2023-03-03T21:00:22.16 0.1 undecidable manual P 158 68.0763 92 -0.01 94
GU.ENR.HHZ. 2023-03-03T21:00:22.64 0.6 undecidable manual S 158 39.0276 94 -0.5 45
GU.STV.HHZ. 2023-03-03T21:00:21.42 0.3 undecidable manual S 168 35.2425 95 -0.71 63
GU.GBOS.HHZ. 2023-03-03T21:00:21.05 0.1 undecidable manual P 126 59.1963 92 0.25 92
GU.RSP.HHZ. 2023-03-03T21:00:21.44 0.1 undecidable manual P 2 65.6898 92 -0.37 87
GU.BHB.HHZ. 2023-03-03T21:00:20.54 0.3 undecidable manual S 4 31.0467 96 -0.49 67
GU.RRL.HHZ. 2023-03-03T21:00:20.19 0.1 undecidable manual P 319 53.7018 93 0.23 93
GU.ENR.HHZ. 2023-03-03T21:00:17.79 0.1 undecidable manual P 158 39.0276 94 0.09 98
GU.STV.HHZ. 2023-03-03T21:00:17.20 0.1 undecidable manual P 168 35.2425 95 0.09 99
GU.BHB.HHZ. 2023-03-03T21:00:16.62 0.1 undecidable manual P 4 31.0467 96 0.14 100
GU.PZZ.HHZ. 2023-03-03T21:00:15.63 0.1 undecidable manual S 240 11.0778 127 -0.31 100
GU.PZZ.HHZ. 2023-03-03T21:00:13.77 0.1 undecidable manual P 240 11.0778 127 0.23 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:2.3 0.00229 0.68 AML other m 2023-03-03T21:00:15.92
GU.PZZ.HHE. ML:2.6 0.0037400000000000003 0.28 AML other m 2023-03-03T21:00:16.07
GU.BHB.HNN. ML:1.6 0.00018099999999999998 0.86 AML other m 2023-03-03T21:00:20.82
GU.BHB.HHN. ML:1.6 0.0001805 0.34 AML other m 2023-03-03T21:00:20.82
GU.BHB.HHE. ML:1.7 0.00022 0.88 AML other m 2023-03-03T21:00:21.25
GU.BHB.HNE. ML:1.7 0.0002035 0.86 AML other m 2023-03-03T21:00:21.26
GU.STV.HHN. ML:1.7 0.0001915 1.44 AML other m 2023-03-03T21:00:21.09
GU.STV.HHE. ML:1.8 0.00026749999999999994 1.42 AML other m 2023-03-03T21:00:21.21
GU.RRL.HHN. ML:1.6 0.00008865 0.92 AML other m 2023-03-03T21:00:27.70
GU.RRL.HHE. ML:1.5 0.00008175 1.48 AML other m 2023-03-03T21:00:27.94
GU.GBOS.HHE. ML:1.4 0.000049247975 0.2176 AML other m 2023-03-03T21:00:28.27
GU.GBOS.HHN. ML:1.7 0.00010200000000000001 0.7 AML other m 2023-03-03T21:00:28.89
FR.SAOF.HHE.00 ML:1.6 0.00007075000000000001 1.54 AML other m 2023-03-03T21:00:31.93
FR.SAOF.HHN.00 ML:1.6 0.0000651 1.22 AML other m 2023-03-03T21:00:31.32
GU.RSP.HHN. ML:1.2 0.00002895 0.66 AML other m 2023-03-03T21:00:32.53
GU.RSP.HHE. ML:1.2 0.000027749999999999997 0.46 AML other m 2023-03-03T21:00:32.72
GU.MGRO.HHE. ML:1.6 0.0000629 0.58 AML other m 2023-03-03T21:00:34.14
GU.MGRO.HHN. ML:1.5 0.00004502003 0.2688 AML other m 2023-03-03T21:00:34.21
GU.RORO.HHE. ML:1.9 0.0000939 0.24 AML other m 2023-03-03T21:00:35.38
GU.RORO.HHN. ML:1.8 0.00009090000000000001 0.14 AML other m 2023-03-03T21:00:36.28
GU.CANO.HHE. ML:2.0 0.0001137 1.2 AML other m 2023-03-03T21:00:38.73
IV.QLNO.HHN. ML:1.6 0.00005069999999999999 0.48 AML other m 2023-03-03T21:00:39.31
GU.CANO.HHN. ML:1.8 0.0000756 0.32 AML other m 2023-03-03T21:00:39.78
GU.LSD.HHE. ML:1.8 0.000055400000000000005 1.18 AML other m 2023-03-03T21:00:40.79
IV.MONC.HHN. ML:1.9 0.00010475 0.24 AML other m 2023-03-03T21:00:40.48
IV.MONC.HHE. ML:2.0 0.0001295 0.48 AML other m 2023-03-03T21:00:40.82
IV.QLNO.HHE. ML:1.6 0.000050900000000000004 0.82 AML other m 2023-03-03T21:00:40.45
GU.PCP.HHE. ML:1.6 0.00003915 0.14 AML other m 2023-03-03T21:00:41.99
GU.LSD.HHN. ML:1.6 0.0000361 0.88 AML other m 2023-03-03T21:00:42.70
GU.PCP.HHN. ML:1.6 0.0000355 1.58 AML other m 2023-03-03T21:00:46.08
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