Earthquake with magnitude of ML 1.0 on date 08-01-2023 and time 15:02:34 (UTC) in region 5 km SW San Giorio di Susa (TO)

A magnitude ML 1.0 earthquake occured in region: 5 km SW San Giorio di Susa (TO), on

  • 08-01-2023 15:02:34 (UTC)
  • 08-01-2023 16:02:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.0880, 7.1580 at 12 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
San Giorio di Susa TO 5 1024 1024
Mattie TO 5 687 1711
Bussoleno TO 6 6094 7805
Villar Focchiardo TO 6 2042 9847
Bruzolo TO 7 1524 11371
Chianocco TO 7 1675 13046
San Didero TO 7 551 13597
Borgone Susa TO 8 2229 15826
Meana di Susa TO 8 826 16652
Sant'Antonino di Susa TO 9 4306 20958
Mompantero TO 10 659 21617
Roure TO 10 848 22465
Fenestrelle TO 10 544 23009
Susa TO 10 6466 29475
Vaie TO 10 1458 30933
Usseaux TO 11 186 31119
Gravere TO 11 692 31811
Coazze TO 12 3287 35098
Condove TO 13 4638 39736
Giaglione TO 13 631 40367
Chiusa di San Michele TO 13 1647 42014
Venaus TO 14 907 42921
Chiomonte TO 14 916 43837
Caprie TO 14 2086 45923
Valgioie TO 14 951 46874
Perosa Argentina TO 15 3285 50159
Pomaretto TO 15 1009 51168
Novalesa TO 16 534 51702
Sant'Ambrogio di Torino TO 16 4755 56457
Giaveno TO 16 16455 72912
Inverso Pinasca TO 16 730 73642
Massello TO 16 51 73693
Usseglio TO 17 209 73902
Perrero TO 17 659 74561
Pinasca TO 17 3051 77612
Exilles TO 18 273 77885
Villar Dora TO 18 2932 80817
Salza di Pinerolo TO 18 75 80892
Pragelato TO 19 776 81668
Rubiana TO 19 2400 84068
Avigliana TO 19 12516 96584
Moncenisio TO 19 36 96620
Almese TO 19 6401 103021
Lemie TO 19 179 103200
Villar Perosa TO 20 4092 107292

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Torino (890529 inhabitants)
43 Km W of Moncalieri (57294 inhabitants)
83 Km NW of Cuneo (56081 inhabitants)
85 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
Bulletin
Rev1000
ML 1.0 2023-01-08
15:02:34
45.088 7.1577 12 2024-03-01
17:17:55
Bollettino Sismico Italiano INGV 114408861
Reviewed
Rev100
ML 1.0 2023-01-08
15:02:34
45.0917 7.1577 12 2023-01-08
15:08:18
Sala Sismica INGV-Roma 113398731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-08 15:02:34 ± 0.24
Latitude 45.0880 ± 0.0099
Longitude 7.1577 ± 0.0204
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114408861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1428
Semi-minor axis of confidence ellipse (meter) 1194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 1430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 0.58906
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 113398731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-08 15:08:18

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 114408861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-07-18 10:44:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHZ. 2023-01-08T15:02:54.00 0.6 undecidable manual S 29 65.3901 91 -0.37 40
GU.PZZ.HHZ. 2023-01-08T15:02:53.39 0.3 undecidable manual S 183 64.5909 91 -0.77 63
GU.LSD.HHZ. 2023-01-08T15:02:47.06 0.3 undecidable manual S 357 41.2254 92 -0.88 53
GU.PZZ.HHZ. 2023-01-08T15:02:46.30 0.1 undecidable manual P 183 64.5909 91 0.47 85
MN.BNI.HHN. 2023-01-08T15:02:46.13 0.6 undecidable manual S 264 37.7289 92 -0.88 45
GU.CIRO.HHZ. 2023-01-08T15:02:46.49 0.3 undecidable manual P 29 65.3901 91 0.53 68
GU.RRL.HHZ. 2023-01-08T15:02:45.42 0.3 undecidable manual S 237 34.2435 92 -0.65 73
GU.BHB.HHZ. 2023-01-08T15:02:43.98 0.3 undecidable manual S 164 29.2485 93 -0.74 65
GU.LSD.HHZ. 2023-01-08T15:02:42.51 0.1 undecidable manual P 357 41.2254 92 0.27 98
GU.RRL.HHZ. 2023-01-08T15:02:41.32 0.1 undecidable manual P 237 34.2435 92 0.16 95
MN.BNI.HHN. 2023-01-08T15:02:41.88 0.3 undecidable manual P 264 37.7289 92 0.17 71
GU.BHB.HHZ. 2023-01-08T15:02:40.69 0.1 undecidable manual P 164 29.2485 93 0.31 97
GU.RSP.HNZ. 2023-01-08T15:02:39.19 0.3 undecidable manual S 51 10.7781 123 -0.74 74
GU.RSP.HNZ. 2023-01-08T15:02:37.76 0.1 undecidable manual P 51 10.7781 123 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HNE. ML:0.9 0.00005486225 1.1648 AML other m 2023-01-08T15:02:44.08
GU.BHB.HHE. ML:0.9 0.000038311960000000006 0.0768 AML other m 2023-01-08T15:02:44.08
GU.BHB.HNN. ML:1.0 0.000047161756 0.0896 AML other m 2023-01-08T15:02:44.05
GU.BHB.HHN. ML:1.0 0.00005054061 1.2416 AML other m 2023-01-08T15:02:44.19
GU.LSD.HHN. ML:0.8 0.000019335925 0.1024 AML other m 2023-01-08T15:02:47.51
GU.LSD.HHE. ML:1.0 0.000038786225 1.5872 AML other m 2023-01-08T15:02:47.59
GU.PZZ.HHE. ML:1.3 0.000035116642499999995 0.1664 AML other m 2023-01-08T15:02:54.89
GU.CIRO.HHE. ML:0.4 0.000006628175500000001 1.7312 AML other m 2023-01-08T15:02:55.07
GU.PZZ.HHN. ML:1.3 0.000034525470000000005 0.2304 AML other m 2023-01-08T15:02:55.32
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