Earthquake with magnitude of ML 1.9 on date 04-04-2023 and time 05:09:59 (Italy) in region 3 km W Forno Canavese (TO)

A magnitude ML 1.9 earthquake occured in region: 3 km W Forno Canavese (TO), on

  • 04-04-2023 03:09:59 (UTC)
  • 04-04-2023 05:09:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.3580, 7.5570 at 20 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
Forno Canavese TO 3 3446 3446
Pratiglione TO 3 535 3981
Canischio TO 4 277 4258
Prascorsano TO 5 745 5003
Corio TO 5 3277 8280
Rocca Canavese TO 6 1708 9988
San Colombano Belmonte TO 6 383 10371
Levone TO 6 442 10813
Rivara TO 6 2659 13472
Alpette TO 6 261 13733
Sparone TO 6 1038 14771
Pertusio TO 7 778 15549
Pont-Canavese TO 8 3483 19032
Valperga TO 8 3166 22198
Cuorgnè TO 8 9906 32104
Busano TO 8 1687 33791
San Ponso TO 9 267 34058
Ribordone TO 9 53 34111
Barbania TO 9 1607 35718
Coassolo Torinese TO 10 1547 37265
Frassinetto TO 10 274 37539
Vauda Canavese TO 10 1464 39003
Balangero TO 10 3156 42159
Locana TO 10 1498 43657
Chiesanuova TO 10 205 43862
Salassa TO 10 1838 45700
Favria TO 11 5196 50896
Oglianico TO 11 1506 52402
Monastero di Lanzo TO 11 350 52752
Borgiallo TO 11 569 53321
Grosso TO 11 1018 54339
Lanzo Torinese TO 11 5086 59425
Mathi TO 11 3921 63346
Colleretto Castelnuovo TO 12 332 63678
Front TO 12 1677 65355
Ingria TO 12 52 65407
Nole TO 12 6892 72299
Castellamonte TO 12 9859 82158
Germagnano TO 13 1201 83359
Villanova Canavese TO 13 1186 84545
San Carlo Canavese TO 13 4031 88576
Cafasse TO 13 3451 92027
Cintano TO 13 258 92285
Rivarolo Canavese TO 14 12488 104773
Cantoira TO 14 564 105337
Traves TO 14 518 105855
Ceres TO 14 1065 106920
Pessinetto TO 14 606 107526
Castelnuovo Nigra TO 14 433 107959
Ciriè TO 14 18909 126868
Mezzenile TO 15 786 127654
Ozegna TO 15 1230 128884
Vallo Torinese TO 15 774 129658
Fiano TO 16 2695 132353
Baldissero Canavese TO 16 550 132903
Ronco Canavese TO 16 314 133217
Feletto TO 16 2310 135527
Bairo TO 16 790 136317
Ciconio TO 16 384 136701
San Maurizio Canavese TO 16 10237 146938
Chialamberto TO 16 345 147283
San Francesco al Campo TO 17 5005 152288
Torre Canavese TO 17 598 152886
Agliè TO 17 2631 155517
Lusigliè TO 17 559 156076
Varisella TO 17 810 156886
Rivarossa TO 17 1610 158496
Robassomero TO 17 3057 161553
Vidracco TO 18 507 162060
Strambinello TO 18 263 162323
Issiglio TO 18 392 162715
Valprato Soana TO 18 108 162823
San Giorgio Canavese TO 19 2643 165466
Vistrorio TO 19 534 166000
Bosconero TO 19 3167 169167
Viù TO 19 1051 170218
Quagliuzzo TO 19 328 170546
Lombardore TO 20 1742 172288
La Cassa TO 20 1788 174076
Rueglio TO 20 757 174833

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Torino (890529 inhabitants)
41 Km N of Moncalieri (57294 inhabitants)
72 Km NW of Asti (76202 inhabitants)
84 Km W of Novara (104380 inhabitants)
97 Km NW of Alessandria (93943 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 1.9 2023-04-04
03:09:59
45.3575 7.557 20 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124157471
Reviewed
Rev100
ML 1.8 2023-04-04
03:09:59
45.3482 7.5722 19 2023-04-04
03:21:27
Sala Sismica INGV-Roma 116051871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-04 03:09:59 ± 0.18
Latitude 45.3575 ± 0.0081
Longitude 7.5570 ± 0.0154
Depth (km) 20 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124157471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1188
Semi-minor axis of confidence ellipse (meter) 450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.33909
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 124157471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-09 10:31:50

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 116051871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-04 03:21:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.VARN.HHZ. 2023-04-04T03:11:47.36 3.0 undecidable manual Sg 19.49 0
IV.RIBO.EHZ.01 2023-04-04T03:11:27.38 3.0 undecidable manual Sn -5.13 0
IV.QLNO.HHZ. 2023-04-04T03:10:35.77 0.6 undecidable manual S 151 130.3695 94 -0.82 37
GU.GBOS.HHZ. 2023-04-04T03:10:33.61 0.6 undecidable manual S 170 125.7741 94 -1.77 23
CH.FUSIO.HHZ. 2023-04-04T03:10:23.62 0.6 undecidable manual P 35 148.6401 54 -0.01 43
CH.DIX.HHZ. 2023-04-04T03:10:22.06 0.6 undecidable manual S 352 80.9523 97 -1.42 28
GU.RORO.HHZ. 2023-04-04T03:10:22.49 0.6 undecidable manual P 164 143.8449 94 -0.4 40
IV.QLNO.HHZ. 2023-04-04T03:10:21.11 0.1 undecidable manual P 151 130.3695 94 0.29 83
GU.GBOS.HHZ. 2023-04-04T03:10:19.94 0.1 positive manual P 170 125.7741 94 -0.18 88
GU.PCP.HHZ. 2023-04-04T03:10:19.90 0.3 undecidable manual P 139 119.2917 95 0.79 53
IV.MRGE.HHZ. 2023-04-04T03:10:17.50 0.6 undecidable manual S 320 59.7957 100 -0.38 47
GU.SATI.HHZ. 2023-04-04T03:10:17.64 0.6 undecidable manual S 23 62.2932 100 -0.91 38
GU.PZZ.HHZ. 2023-04-04T03:10:15.20 0.1 undecidable manual P 200 100.5216 95 -1.04 69
CH.DIX.HHZ. 2023-04-04T03:10:13.41 0.1 positive manual P 352 80.9523 97 0.17 96
GU.LSD.HHZ. 2023-04-04T03:10:11.40 0.3 undecidable manual S 289 34.8429 110 -0.03 79
GU.SATI.HHZ. 2023-04-04T03:10:10.26 0.3 undecidable manual P 23 62.2932 100 -0.14 74
GU.BHB.HHZ. 2023-04-04T03:10:10.11 0.1 positive manual P 202 62.2932 100 -0.29 97
GU.RSP.HHZ. 2023-04-04T03:10:10.65 0.3 undecidable manual S 225 32.5452 112 -0.21 77
IV.MRGE.HHZ. 2023-04-04T03:10:10.48 0.1 positive manual P 320 59.7957 100 0.47 94
GU.CIRO.HHE. 2023-04-04T03:10:09.21 0.6 undecidable manual S 2 27.1506 117 -0.32 50
IV.MONC.HHZ. 2023-04-04T03:10:09.21 0.3 undecidable manual P 137 42.7239 105 1.76 36
GU.TRAV.HHZ. 2023-04-04T03:10:08.15 0.3 undecidable manual S 41 22.5552 123 -0.34 76
GU.LSD.HHZ. 2023-04-04T03:10:06.99 0.1 positive manual P 289 34.8429 110 0.7 90
GU.RSP.HHZ. 2023-04-04T03:10:06.25 0.3 undecidable manual P 225 32.5452 112 0.29 76
GU.TRAV.HHZ. 2023-04-04T03:10:05.08 0.3 undecidable manual P 41 22.5552 123 0.49 74
GU.CIRO.HHE. 2023-04-04T03:10:05.63 0.1 positive manual P 2 27.1506 117 0.44 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.TRAV.HHE. ML:2.7 0.0023650000000000003 0.26 AML other m 2023-04-04T03:10:08.34
GU.TRAV.HHN. ML:2.5 0.001502996 0.0784 AML other m 2023-04-04T03:10:08.81
GU.RSP.HHE. ML:1.3 0.00007095 0.12 AML other m 2023-04-04T03:10:10.89
GU.RSP.HNE. ML:1.9 0.0003344815 0.12 AML other m 2023-04-04T03:10:10.83
GU.RSP.HNN. ML:2.0 0.00041500000000000006 0.14 AML other m 2023-04-04T03:10:10.85
GU.RSP.HHN. ML:1.4 0.00008795 0.92 AML other m 2023-04-04T03:10:11.78
GU.LSD.HHN. ML:2.4 0.00104433555 0.2992 AML other m 2023-04-04T03:10:11.76
GU.LSD.HHE. ML:2.4 0.0010355 0.14 AML other m 2023-04-04T03:10:11.80
CH.DIX.HHN. ML:2.3 0.00025930425 0.1696 AML other m 2023-04-04T03:10:13.59
GU.BHB.HNE. ML:1.6 0.000081219135 1.7712 AML other m 2023-04-04T03:10:17.00
GU.BHB.HHE. ML:1.6 0.00007816894499999999 1.7808 AML other m 2023-04-04T03:10:17.00
GU.SATI.HNN. ML:1.8 0.000105986255 0.0912 AML other m 2023-04-04T03:10:18.22
GU.SATI.HHN. ML:1.7 0.00010072155 0.1008 AML other m 2023-04-04T03:10:18.18
GU.SATI.HNE. ML:2.0 0.000174 0.08 AML other m 2023-04-04T03:10:18.19
GU.SATI.HHE. ML:2.0 0.00017649999999999998 0.1 AML other m 2023-04-04T03:10:18.20
IV.MONC.HHN. ML:2.0 0.0002615 0.58 AML other m 2023-04-04T03:10:18.92
IV.MRGE.HHE. ML:1.8 0.00013175562 0.0592 AML other m 2023-04-04T03:10:18.78
IV.MRGE.HHN. ML:2.0 0.00020824964999999998 0.0592 AML other m 2023-04-04T03:10:18.85
IV.MONC.HHE. ML:1.9 0.000229 0.5 AML other m 2023-04-04T03:10:19.02
GU.BHB.HHN. ML:1.5 0.00006504831499999999 0.2 AML other m 2023-04-04T03:10:21.98
GU.BHB.HNN. ML:1.5 0.000066698755 0.1696 AML other m 2023-04-04T03:10:21.98
CH.DIX.HHE. ML:2.4 0.00036282535 0.2512 AML other m 2023-04-04T03:10:25.11
GU.PZZ.HHE. ML:1.7 0.0000512787345 0.1392 AML other m 2023-04-04T03:10:26.54
GU.PZZ.HHN. ML:1.8 0.0000572 0.78 AML other m 2023-04-04T03:10:32.43
GU.GBOS.HHE. ML:1.8 0.000040431885 0.2992 AML other m 2023-04-04T03:10:34.59
GU.GBOS.HHN. ML:1.8 0.00003997567 0.36 AML other m 2023-04-04T03:10:34.88
IV.QLNO.HHE. ML:1.8 0.000042291985 1.2992 AML other m 2023-04-04T03:10:51.01
GU.PCP.HHE. ML:1.7 0.000034144135 1.1808 AML other m 2023-04-04T03:10:52.86
GU.RORO.HHE. ML:1.9 0.000044916015 0.8208 AML other m 2023-04-04T03:10:54.72
GU.PCP.HHN. ML:1.7 0.000037980544999999996 0.48 AML other m 2023-04-04T03:10:58.31
IV.QLNO.HHN. ML:1.9 0.000053088269999999996 1.4192 AML other m 2023-04-04T03:10:58.19
GU.RORO.HHN. ML:1.7 0.00002369718 1.1792 AML other m 2023-04-04T03:11:01.06
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