Earthquake with magnitude of ML 0.9 on date 09-12-2023 and time 07:01:05 (Italy) in region 2 km NW Monastero di Lanzo (TO)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Monastero di Lanzo (TO), on

  • 09-12-2023 06:01:05 (UTC)
  • 09-12-2023 07:01:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.3200, 7.4220 at 4 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
Ceres TO 3 1065 1065
Monastero di Lanzo TO 3 350 1415
Pessinetto TO 4 606 2021
Mezzenile TO 4 786 2807
Coassolo Torinese TO 4 1547 4354
Cantoira TO 4 564 4918
Traves TO 6 518 5436
Lanzo Torinese TO 7 5086 10522
Germagnano TO 7 1201 11723
Chialamberto TO 8 345 12068
Corio TO 9 3277 15345
Ala di Stura TO 9 469 15814
Balangero TO 10 3156 18970
Viù TO 10 1051 20021
Cafasse TO 11 3451 23472
Locana TO 11 1498 24970
Mathi TO 12 3921 28891
Groscavallo TO 12 204 29095
Vallo Torinese TO 12 774 29869
Rocca Canavese TO 12 1708 31577
Grosso TO 13 1018 32595
Forno Canavese TO 13 3446 36041
Varisella TO 13 810 36851
Villanova Canavese TO 13 1186 38037
Fiano TO 14 2695 40732
Ribordone TO 14 53 40785
Lemie TO 14 179 40964
Pratiglione TO 14 535 41499
Sparone TO 14 1038 42537
Nole TO 14 6892 49429
Levone TO 15 442 49871
Canischio TO 15 277 50148
Alpette TO 16 261 50409
Balme TO 16 115 50524
Rivara TO 16 2659 53183
Vauda Canavese TO 16 1464 54647
Prascorsano TO 16 745 55392
Barbania TO 17 1607 56999
San Carlo Canavese TO 17 4031 61030
San Colombano Belmonte TO 17 383 61413
Noasca TO 17 137 61550
La Cassa TO 17 1788 63338
Ciriè TO 17 18909 82247
Pertusio TO 18 778 83025
Pont-Canavese TO 18 3483 86508
Robassomero TO 18 3057 89565
Val della Torre TO 18 3869 93434
Busano TO 18 1687 95121
Usseglio TO 19 209 95330
Givoletto TO 19 3914 99244
Valperga TO 19 3166 102410
Ceresole Reale TO 19 156 102566
Frassinetto TO 19 274 102840
Cuorgnè TO 20 9906 112746
San Ponso TO 20 267 113013
Front TO 20 1677 114690
San Maurizio Canavese TO 20 10237 124927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Torino (890529 inhabitants)
41 Km NW of Moncalieri (57294 inhabitants)
77 Km NW of Asti (76202 inhabitants)
95 Km W of Novara (104380 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 0.9 2023-12-09
06:01:05
45.3202 7.4217 4 2023-12-09
06:27:42
Sala Sismica INGV-Roma 123911461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-09 06:01:05 ± 0.08
Latitude 45.3202 ± 0.0045
Longitude 7.4217 ± 0.0064
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123911461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 536
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 124
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.20415
Epicentral distance of station farthest from the epicenter (degree) 0.63672
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 123911461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-09 06:27:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2023-12-09T06:01:18.03 1.0 undecidable manual P 228 66.378 50 -0.3 22
GU.SATI.HHE. 2023-12-09T06:01:18.93 0.1 undecidable manual P 29 70.6737 50 -0.07 92
GU.REMY.HHE. 2023-12-09T06:01:17.57 0.1 undecidable manual P 340 60.9945 50 0.06 92
GU.TRAV.HHZ. 2023-12-09T06:01:17.21 0.6 undecidable manual S 50 33.0447 98 -0.18 47
GU.CIRO.HHZ. 2023-12-09T06:01:17.14 0.6 undecidable manual S 20 33.2445 97 -0.33 46
IV.MRGE.HHZ. 2023-12-09T06:01:16.53 1.0 undecidable manual P 331 57.1983 50 -0.39 22
GU.LSD.HHZ. 2023-12-09T06:01:15.19 0.6 undecidable manual S 305 27.2505 99 -0.21 48
IV.MONC.HHE. 2023-12-09T06:01:15.60 0.1 undecidable manual P 124 48.0186 95 0.11 94
GU.RSP.HHE. 2023-12-09T06:01:13.55 0.6 undecidable manual S 213 22.6551 101 -0.28 47
GU.TRAV.HHZ. 2023-12-09T06:01:12.67 1.0 negative manual P 50 33.0447 98 0.17 24
GU.CIRO.HHZ. 2023-12-09T06:01:12.75 0.1 undecidable manual P 20 33.2445 97 0.2 95
GU.LSD.HHZ. 2023-12-09T06:01:11.74 0.3 undecidable manual P 305 27.2505 99 0.39 69
GU.RSP.HHE. 2023-12-09T06:01:10.50 0.1 undecidable manual P 213 22.6551 101 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHE. ML:0.7 0.000028319650000000003 0.1184 AML other m 2023-12-09T06:01:15.38
GU.LSD.HHN. ML:0.5 0.0000183813115 0.2016 AML other m 2023-12-09T06:01:15.78
GU.TRAV.HHE. ML:1.0 0.00004248673 0.1184 AML other m 2023-12-09T06:01:18.37
GU.CIRO.HHN. ML:0.5 0.000014899823999999998 0.0608 AML other m 2023-12-09T06:01:17.38
GU.CIRO.HHE. ML:0.6 0.000017962695 0.1792 AML other m 2023-12-09T06:01:17.18
IV.MRGE.HHN. ML:1.0 0.000022513335 1.0784 AML other m 2023-12-09T06:01:40.11
IV.MRGE.HHE. ML:1.0 0.000019688940499999998 0.8384 AML other m 2023-12-09T06:01:31.57
GU.RRL.HHN. ML:1.6 0.00006696071 0.3616 AML other m 2023-12-09T06:01:46.52
GU.RRL.HHE. ML:1.6 0.00007243766999999999 4.5792 AML other m 2023-12-09T06:01:38.97
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