Earthquake with magnitude of ML 1.5 on date 07-09-2023 and time 01:51:42 (Italy) in region 3 km NE San Didero (TO)

A magnitude ML 1.5 earthquake occured in region: 3 km NE San Didero (TO), on

  • 06-09-2023 23:51:42 (UTC)
  • 07-09-2023 01:51:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.1580, 7.2350 at 14 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
San Didero TO 3 551 551
Bruzolo TO 4 1524 2075
Borgone Susa TO 4 2229 4304
Chianocco TO 5 1675 5979
Villar Focchiardo TO 5 2042 8021
San Giorio di Susa TO 6 1024 9045
Sant'Antonino di Susa TO 6 4306 13351
Bussoleno TO 7 6094 19445
Vaie TO 7 1458 20903
Condove TO 8 4638 25541
Usseglio TO 9 209 25750
Caprie TO 9 2086 27836
Lemie TO 9 179 28015
Chiusa di San Michele TO 10 1647 29662
Mattie TO 11 687 30349
Rubiana TO 12 2400 32749
Sant'Ambrogio di Torino TO 12 4755 37504
Valgioie TO 12 951 38455
Villar Dora TO 13 2932 41387
Coazze TO 13 3287 44674
Almese TO 13 6401 51075
Meana di Susa TO 14 826 51901
Mompantero TO 14 659 52560
ViĆ¹ TO 14 1051 53611
Susa TO 15 6466 60077
Avigliana TO 15 12516 72593
Giaveno TO 16 16455 89048
Balme TO 16 115 89163
Val della Torre TO 17 3869 93032
Gravere TO 17 692 93724
Giaglione TO 17 631 94355
Venaus TO 17 907 95262
Novalesa TO 18 534 95796
Ala di Stura TO 18 469 96265
Buttigliera Alta TO 19 6419 102684
Roure TO 19 848 103532
Reano TO 19 1818 105350
Mezzenile TO 20 786 106136
Trana TO 20 3877 110013
Fenestrelle TO 20 544 110557
Traves TO 20 518 111075
Pessinetto TO 20 606 111681

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Torino (890529 inhabitants)
40 Km W of Moncalieri (57294 inhabitants)
82 Km W of Asti (76202 inhabitants)
89 Km NW of Cuneo (56081 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 1.5 2023-09-06
23:51:42
45.1583 7.2348 14 2023-09-07
00:00:59
Sala Sismica INGV-Roma 120836951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-06 23:51:42 ± 0.16
Latitude 45.1583 ± 0.0090
Longitude 7.2348 ± 0.0166
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120836951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1087
Semi-minor axis of confidence ellipse (meter) 722
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92900
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 120836951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-07 00:00:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2023-09-06T23:53:37.51 3.0 undecidable manual Sn -5.2 0
IV.TRIF.CHZ. 2023-09-06T23:53:28.58 3.0 undecidable manual Sg 9.11 0
IV.MURB.HNZ. 2023-09-06T23:52:53.73 3.0 undecidable manual Pg 4.3 0
IV.ATFO.HHZ. 2023-09-06T23:52:53.66 3.0 undecidable manual Pg 4.49 0
IV.PARC.HHZ. 2023-09-06T23:52:49.32 3.0 undecidable manual Pg 4.87 0
IV.AGLI.HHZ. 2023-09-06T23:52:43.22 3.0 undecidable manual Pn -6.93 0
IV.SACS.HHZ. 2023-09-06T23:52:40.14 3.0 undecidable manual Pn -7.18 0
IV.RIBO.EHZ.01 2023-09-06T23:52:35.46 3.0 undecidable manual Pn -4.21 0
CH.DIX.HHZ. 2023-09-06T23:52:12.28 1.0 undecidable manual S 7 103.119 92 -0.5 19
GU.REMY.HHE. 2023-09-06T23:52:05.20 0.6 undecidable manual S 355 75.5688 93 -0.23 43
IV.MONC.HHZ. 2023-09-06T23:52:00.39 0.3 undecidable manual S 100 55.0005 94 0.45 64
CH.DIX.HHZ. 2023-09-06T23:52:00.52 1.0 positive manual P 7 103.119 92 0.42 20
GU.CIRO.HHZ. 2023-09-06T23:51:59.25 0.6 undecidable manual S 28 55.5999 94 -0.86 36
GU.SATI.HHZ. 2023-09-06T23:51:59.17 0.1 undecidable manual P 32 93.5397 92 0.55 78
GU.STV.HHZ. 2023-09-06T23:51:57.10 3.0 undecidable manual P 0
GU.RRL.HHZ. 2023-09-06T23:51:56.73 0.6 undecidable manual S 233 43.7229 95 -0.21 46
GU.REMY.HHE. 2023-09-06T23:51:56.22 0.1 undecidable manual P 355 75.5688 93 0.36 84
IV.MRGE.HHZ. 2023-09-06T23:51:55.33 0.3 negative manual P 349 69.1752 93 0.46 62
GU.LSD.HHE. 2023-09-06T23:51:54.26 0.6 undecidable manual S 347 34.3434 97 -0.19 47
GU.PZZ.HHZ. 2023-09-06T23:51:54.27 0.1 undecidable manual P 187 72.8715 93 -1.17 62
IV.MONC.HHZ. 2023-09-06T23:51:52.99 0.1 undecidable manual P 100 55.0005 94 0.3 88
GU.CIRO.HHZ. 2023-09-06T23:51:52.14 0.1 undecidable manual P 28 55.5999 94 -0.65 79
GU.RRL.HHZ. 2023-09-06T23:51:51.14 0.1 negative manual P 233 43.7229 95 0.19 92
GU.TRAV.HHZ. 2023-09-06T23:51:51.71 0.6 undecidable manual P 45 55.8996 94 -1.13 32
GU.LSD.HHE. 2023-09-06T23:51:49.86 0.1 undecidable manual P 347 34.3434 97 0.34 91
GU.BHB.HHZ. 2023-09-06T23:51:48.52 3.0 undecidable manual P -3.28 0
GU.RSP.HHE. 2023-09-06T23:51:47.45 0.6 undecidable manual S 116 2.5974 167 0 51
GU.RSP.HHE. 2023-09-06T23:51:45.57 0.1 undecidable manual P 116 2.5974 167 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:1.4 0.0000713 1.3 AML other m 2023-09-06T23:51:57.99
GU.RRL.HHE. ML:1.3 0.000059800000000000003 1.08 AML other m 2023-09-06T23:51:58.01
GU.TRAV.HHN. ML:1.5 0.00006355 0.28 AML other m 2023-09-06T23:51:59.44
GU.TRAV.HHE. ML:1.4 0.0000525 0.3 AML other m 2023-09-06T23:51:59.75
GU.CIRO.HHN. ML:1.2 0.00003585 0.96 AML other m 2023-09-06T23:51:59.90
GU.CIRO.HHE. ML:1.2 0.00004 0.7 AML other m 2023-09-06T23:51:59.94
IV.MONC.HHE. ML:1.8 0.0001375 0.42 AML other m 2023-09-06T23:52:02.24
IV.MONC.HHN. ML:1.6 0.0000999 1.68 AML other m 2023-09-06T23:52:03.91
GU.PZZ.HHN. ML:1.6 0.000053099999999999996 0.18 AML other m 2023-09-06T23:52:05.06
IV.MRGE.HHE. ML:1.2 0.000024550000000000004 0.42 AML other m 2023-09-06T23:52:06.52
GU.PZZ.HHE. ML:1.6 0.0000584 0.24 AML other m 2023-09-06T23:52:07.15
IV.MRGE.HHN. ML:1.2 0.00003195 0.46 AML other m 2023-09-06T23:52:08.49
CH.DIX.HHN. ML:1.6 0.000041599999999999995 0.16 AML other m 2023-09-06T23:52:13.81
CH.DIX.HHE. ML:1.9 0.000079 0.24 AML other m 2023-09-06T23:52:14.03
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