Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 18-09-2018 and time 05:03:06 (UTC) in region 5 km NW Castelnuovo Nigra (TO)

A magnitude ML 1.7 earthquake occured in region: 5 km NW Castelnuovo Nigra (TO), on

  • 18-09-2018 05:03:06 (UTC)
  • 18-09-2018 07:03:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.4710, 7.6530 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelnuovo Nigra TO 5 433 433
Frassinetto TO 5 274 707
Cintano TO 5 258 965
Chiesanuova TO 6 205 1170
Colleretto Castelnuovo TO 6 332 1502
Borgiallo TO 6 569 2071
Ingria TO 6 52 2123
Pont-Canavese TO 7 3483 5606
Rueglio TO 8 757 6363
Issiglio TO 8 392 6755
Cuorgnè TO 9 9906 16661
Alpette TO 9 261 16922
Ronco Canavese TO 9 314 17236
Traversella TO 9 343 17579
Trausella TO 9 119 17698
Vidracco TO 10 507 18205
Vistrorio TO 10 534 18739
Alice Superiore TO 10 700 19439
Valprato Soana TO 10 108 19547
Pecco TO 10 223 19770
Baldissero Canavese TO 10 550 20320
Meugliano TO 10 80 20400
San Colombano Belmonte TO 10 383 20783
Vico Canavese TO 10 849 21632
Lugnacco TO 10 360 21992
Sparone TO 11 1038 23030
Strambinello TO 11 263 23293
Castellamonte TO 11 9859 33152
Valperga TO 11 3166 36318
Quagliuzzo TO 11 328 36646
Canischio TO 12 277 36923
Parella TO 12 453 37376
Prascorsano TO 12 745 38121
Brosso TO 12 420 38541
Torre Canavese TO 12 598 39139
Colleretto Giacosa TO 12 582 39721
Ribordone TO 12 53 39774
Bairo TO 12 790 40564
Salassa TO 13 1838 42402
Lessolo TO 13 1938 44340
Loranzè TO 13 1173 45513
Pertusio TO 13 778 46291
San Ponso TO 13 267 46558
Pratiglione TO 14 535 47093
Fiorano Canavese TO 14 822 47915
Oglianico TO 15 1506 49421
Forno Canavese TO 15 3446 52867
Agliè TO 15 2631 55498
Ozegna TO 15 1230 56728
Samone TO 15 1600 58328
Pontboset AO 15 185 58513
Quassolo TO 15 354 58867
San Martino Canavese TO 16 852 59719
Favria TO 16 5196 64915
Salerano Canavese TO 16 505 65420
Rivara TO 16 2659 68079
Tavagnasco TO 16 791 68870
Busano TO 16 1687 70557
Quincinetto TO 16 1031 71588
Locana TO 16 1498 73086
Banchette TO 16 3231 76317
Perosa Canavese TO 16 533 76850
Pavone Canavese TO 16 3895 80745
Rivarolo Canavese TO 16 12488 93233
Vialfrè TO 16 256 93489
Settimo Vittone TO 17 1560 95049
Montalto Dora TO 17 3406 98455
Borgofranco d'Ivrea TO 17 3732 102187
Bard AO 17 119 102306
Hône AO 17 1166 103472
Champorcher AO 17 388 103860
Levone TO 17 442 104302
Donnas AO 17 2563 106865
Ivrea TO 18 23606 130471
Scarmagno TO 18 838 131309
Cuceglio TO 18 997 132306
Ciconio TO 18 384 132690
Nomaglio TO 18 287 132977
Carema TO 18 774 133751
Pont-Saint-Martin AO 18 3840 137591
Andrate TO 19 505 138096
San Giorgio Canavese TO 19 2643 140739
Rocca Canavese TO 19 1708 142447
Romano Canavese TO 19 2752 145199
Lusigliè TO 19 559 145758
Cascinette d'Ivrea TO 20 1485 147243
Feletto TO 20 2310 149553
Corio TO 20 3277 152830
Chiaverano TO 20 2095 154925
Barbania TO 20 1607 156532

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km N of Torino (890529 inhabitants)
52 Km N of Moncalieri (57294 inhabitants)
76 Km W of Novara (104380 inhabitants)
77 Km NW of Asti (76202 inhabitants)
91 Km W of Gallarate (53343 inhabitants)
95 Km W of Busto Arsizio (83106 inhabitants)
96 Km W of Vigevano (63310 inhabitants)
98 Km NW of Alessandria (93943 inhabitants)
99 Km W of Varese (80799 inhabitants)
100 Km W of Legnano (60262 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 2018-09-18
05:03:06		 45.471 7.6528 9 2019-06-04
09:16:03		 Bollettino Sismico Italiano INGV 63905961
Reviewed
Rev100 		ML 1.7 2018-09-18
05:03:06		 45.4768 7.6422 8 2018-09-18
05:12:15		 Sala Sismica INGV-Roma 61056201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-18 05:03:06 ± 0.16
Latitude 45.4710 ± 0.0081
Longitude 7.6528 ± 0.0154
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63905961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1130
Semi-minor axis of confidence ellipse (meter) 704
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.38945
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 61056201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-18 05:12:15

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 63905961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-09 08:34:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2018-09-18T05:05:05.36 3.0 undecidable manual Sn -6.06 0
IV.LIK.EHZ.01 2018-09-18T05:04:52.78 3.0 positive manual Pg 12.98 0
IV.IMOL.HNZ. 2018-09-18T05:04:51.38 3.0 undecidable manual Sg 8.35 0
IV.GIUL.HHZ. 2018-09-18T05:04:50.38 3.0 positive manual Pg 13.37 0
IV.MMO1.EHZ. 2018-09-18T05:04:38.11 3.0 undecidable manual Pg 12.51 0
IV.LAV9.HNZ. 2018-09-18T05:04:37.74 3.0 undecidable manual Pg 5.85 0
IV.BDI.HHZ. 2018-09-18T05:04:27.06 3.0 undecidable manual Sg -2.03 0
IV.NDIM.HHZ. 2018-09-18T05:03:50.48 3.0 negative manual Pg -1.08 0
IV.MAGA.HHZ. 2018-09-18T05:03:44.04 3.0 undecidable manual Pn -3.29 0
MN.BNI.HHZ. 2018-09-18T05:03:33.34 0.3 undecidable manual S 239 89.1441 50 -0.35 61
GU.RORO.HHZ. 2018-09-18T05:03:32.36 0.3 undecidable manual P 168 154.2345 50 -0.06 56
GU.ENR.HHZ. 2018-09-18T05:03:29.37 0.1 undecidable manual P 188 139.2606 50 -0.74 64
CH.FUSIO.HHZ. 2018-09-18T05:03:29.51 0.6 undecidable manual P 35 134.0658 50 0.19 38
CH.DIX.HHZ. 2018-09-18T05:03:28.15 0.3 undecidable manual S 344 70.1742 50 -0.46 62
CH.MMK.HHZ. 2018-09-18T05:03:27.32 0.3 undecidable manual S 20 68.6757 50 -0.88 52
IV.VARE.HHZ. 2018-09-18T05:03:24.17 0.3 undecidable manual P 63 97.125 50 0.55 57
GU.REMY.HHZ. 2018-09-18T05:03:24.91 0.3 undecidable manual S 317 55.9995 50 0.08 69
MN.BNI.HHZ. 2018-09-18T05:03:22.49 0.3 undecidable manual P 239 89.1441 50 0.09 64
GU.SATI.HHZ. 2018-09-18T05:03:22.41 0.3 undecidable manual S 20 47.8188 50 -0.25 67
GU.RRL.HHZ. 2018-09-18T05:03:22.95 0.3 undecidable manual P 228 90.9423 50 0.29 62
GU.LSD.HHZ. 2018-09-18T05:03:20.14 0.3 undecidable manual S 268 40.3263 50 -0.51 64
CH.DIX.HHZ. 2018-09-18T05:03:19.77 0.3 undecidable manual P 344 70.1742 50 0.3 64
CH.MMK.HHZ. 2018-09-18T05:03:19.57 0.1 undecidable manual P 20 68.6757 50 0.34 85
GU.BHB.HHZ. 2018-09-18T05:03:19.77 0.3 undecidable manual P 204 76.8675 50 -0.72 55
IV.MRGE.HHZ. 2018-09-18T05:03:17.93 0.1 undecidable manual P 306 56.5989 50 0.55 82
IV.MONC.HHZ. 2018-09-18T05:03:17.20 0.3 undecidable manual P 154 49.0176 50 1 52
GU.REMY.HHZ. 2018-09-18T05:03:17.92 0.3 undecidable manual P 317 55.9995 50 0.64 60
GU.SATI.HHZ. 2018-09-18T05:03:16.10 0.1 undecidable manual P 20 47.8188 50 0.07 93
GU.LSD.HHZ. 2018-09-18T05:03:15.01 0.1 negative manual P 268 40.3263 50 0.14 93
GU.TRAV.HHZ. 2018-09-18T05:03:10.72 0.3 undecidable manual S 58 8.6802 136 -0.59 66
GU.TRAV.HHZ. 2018-09-18T05:03:09.54 0.1 undecidable manual P 58 8.6802 136 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHN. ML:1.7 0.00016949999999999997 0.44 AML other m 2018-09-18T05:03:20.35
GU.LSD.HHE. ML:1.7 0.000191 0.32 AML other m 2018-09-18T05:03:23.92
GU.SATI.HHE. ML:1.9 0.0002035 0.46 AML other m 2018-09-18T05:03:25.11
GU.SATI.HHN. ML:1.9 0.00022600000000000002 0.08 AML other m 2018-09-18T05:03:25.33
IV.MRGE.HHN. ML:1.8 0.00013550000000000001 0.32 AML other m 2018-09-18T05:03:27.18
IV.MONC.HHN. ML:1.8 0.00017099999999999998 0.74 AML other m 2018-09-18T05:03:28.60
IV.MONC.HHE. ML:1.9 0.00020150000000000002 1.24 AML other m 2018-09-18T05:03:28.96
IV.MRGE.HHE. ML:1.7 0.00010575 0.28 AML other m 2018-09-18T05:03:29.86
GU.REMY.HHN. ML:1.7 0.000114 0.58 AML other m 2018-09-18T05:03:30.38
GU.REMY.HHE. ML:1.8 0.000147 0.4 AML other m 2018-09-18T05:03:30.22
CH.MMK.HHE. ML:1.7 0.0000866 0.7 AML other m 2018-09-18T05:03:30.45
CH.MMK.HHN. ML:1.8 0.00010035 0.68 AML other m 2018-09-18T05:03:31.28
CH.DIX.HHN. ML:2.2 0.000237 1.42 AML other m 2018-09-18T05:03:31.23
CH.DIX.HHE. ML:2.2 0.00028100000000000005 0.28 AML other m 2018-09-18T05:03:32.34
GU.RRL.HHN. ML:1.6 0.0000479 0.42 AML other m 2018-09-18T05:03:34.89
GU.RRL.HHE. ML:1.4 0.0000321 1.56 AML other m 2018-09-18T05:03:36.94
IV.VARE.HHE. ML:1.5 0.00003715 0.34 AML other m 2018-09-18T05:03:37.27
IV.VARE.HHN. ML:1.7 0.00005495 0.24 AML other m 2018-09-18T05:03:40.00
CH.FUSIO.HHN. ML:1.5 0.00002135 0.52 AML other m 2018-09-18T05:03:48.59
CH.FUSIO.HHE. ML:1.5 0.000021850000000000003 1.22 AML other m 2018-09-18T05:03:49.21
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