Earthquake with magnitude of ML 1.4 on date 03-08-2023 and time 12:20:29 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.4 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 03-08-2023 10:20:29 (UTC)
  • 03-08-2023 12:20:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8890, 6.6250 at 10 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
Claviere TO 11 214 214
Cesana Torinese TO 15 967 1181
Sauze di Cesana TO 20 244 1425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
85 Km W of Moncalieri (57294 inhabitants)
86 Km W of Torino (890529 inhabitants)
92 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 1.4 2023-08-03
10:20:29
44.8887 6.6247 10 2023-08-03
10:28:08
Sala Sismica INGV-Roma 119822631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-03 10:20:29 ± 0.19
Latitude 44.8887 ± 0.0099
Longitude 6.6247 ± 0.0140
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119822631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1203
Semi-minor axis of confidence ellipse (meter) 848
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.08009
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 119822631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-03 10:28:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHZ. 2023-08-03T10:22:12.74 3.0 negative manual Pg 22.889999 0
IV.MAGA.HHZ. 2023-08-03T10:22:09.88 3.0 undecidable manual Sg 15.57 0
IV.SENI.HNZ. 2023-08-03T10:21:59.25 3.0 negative manual Pg 19.559999 0
IV.MF5.EHZ. 2023-08-03T10:21:53.85 3.0 positive manual Pn 9.13 0
OX.ACOM.HHZ. 2023-08-03T10:21:53.82 3.0 positive manual Pn 9.7 0
IV.MTRA.HNZ. 2023-08-03T10:21:53.65 3.0 undecidable manual Pn 8.36 0
IV.OSSC.HHZ. 2023-08-03T10:21:35.20 3.0 undecidable manual Pg 13.92 0
IV.BDI.HHZ. 2023-08-03T10:21:26.20 3.0 undecidable manual Pg 13.18 0
GU.ENR.HHE. 2023-08-03T10:20:57.91 0.6 undecidable manual S 139 96.3258 50 -0.3 41
GU.STV.HHE. 2023-08-03T10:20:56.04 0.3 undecidable manual S 142 90.4428 50 -0.58 58
GU.LSD.HHZ. 2023-08-03T10:20:52.17 0.6 undecidable manual S 32 74.7696 50 -0.28 43
GU.GBOS.HHZ. 2023-08-03T10:20:50.27 0.3 undecidable manual P 126 119.8911 50 0.44 57
GU.PZZ.HHZ. 2023-08-03T10:20:47.03 0.6 undecidable manual S 137 57.3981 50 -0.79 38
RD.ORIF.BHZ. 2023-08-03T10:20:47.41 0.3 undecidable manual S 273 58.5969 50 -0.72 58
GU.ENR.HHE. 2023-08-03T10:20:46.78 0.1 undecidable manual P 139 96.3258 50 0.58 76
GU.STV.HHE. 2023-08-03T10:20:45.96 0.3 undecidable manual P 142 90.4428 50 0.67 56
GU.LSD.HHZ. 2023-08-03T10:20:43.49 0.3 undecidable manual P 32 74.7696 50 0.61 59
GU.PZZ.HHZ. 2023-08-03T10:20:40.02 0.3 undecidable manual P 137 57.3981 50 -0.18 68
GU.RSP.HHZ. 2023-08-03T10:20:40.48 0.3 undecidable manual P 60 57.8976 50 0.21 68
RD.ORIF.BHZ. 2023-08-03T10:20:40.64 0.1 undecidable manual P 273 58.5969 50 0.25 89
GU.BHB.HHZ. 2023-08-03T10:20:39.12 0.3 undecidable manual P 96 50.5161 50 -0.02 71
MN.BNI.HHZ. 2023-08-03T10:20:36.81 0.3 undecidable manual S 13 18.5703 118 -0.33 71
GU.RRL.HHZ. 2023-08-03T10:20:35.25 0.3 undecidable manual S 75 13.4754 127 -0.39 71
MN.BNI.HHZ. 2023-08-03T10:20:34.13 0.3 undecidable manual P 13 18.5703 118 0.09 74
GU.RRL.HHZ. 2023-08-03T10:20:33.27 0.1 positive manual P 75 13.4754 127 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:1.7 0.000483 0.26 AML other m 2023-08-03T10:20:35.36
GU.RRL.HHE. ML:1.5 0.0003355 0.32 AML other m 2023-08-03T10:20:36.64
MN.BNI.HHN. ML:0.8 0.0000496 0.42 AML other m 2023-08-03T10:20:37.84
MN.BNI.HHE. ML:0.8 0.000052449999999999994 0.48 AML other m 2023-08-03T10:20:37.88
GU.BHB.HHN. ML:1.3 0.00005375 0.64 AML other m 2023-08-03T10:20:46.94
GU.PZZ.HHE. ML:1.8 0.00014050000000000003 0.2 AML other m 2023-08-03T10:20:47.82
GU.PZZ.HHN. ML:1.9 0.000184 0.18 AML other m 2023-08-03T10:20:48.93
GU.BHB.HHE. ML:1.3 0.000055650000000000004 0.86 AML other m 2023-08-03T10:20:48.49
GU.RSP.HHE. ML:1.1 0.00002705 0.92 AML other m 2023-08-03T10:20:50.95
GU.RSP.HHN. ML:1.0 0.00002155 1 AML other m 2023-08-03T10:20:50.05
GU.LSD.HHE. ML:1.7 0.0000706 0.26 AML other m 2023-08-03T10:20:53.23
GU.LSD.HHN. ML:1.6 0.0000528 0.28 AML other m 2023-08-03T10:20:54.71
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