Earthquake with magnitude of ML 1.3 on date 07-10-2023 and time 15:17:35 (Italy) in region 9 km W Saint Rhémy en Bosses (AO)

A magnitude ML 1.3 earthquake occured in region: 9 km W Saint Rhémy en Bosses (AO), on

  • 07-10-2023 13:17:35 (UTC)
  • 07-10-2023 15:17:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.8510, 7.0740 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
Saint-Rhémy-en-Bosses AO 9 338 338
Courmayeur AO 10 2807 3145
Morgex AO 11 2104 5249
Saint-Oyen AO 11 203 5452
La Salle AO 11 2087 7539
Pré-Saint-Didier AO 12 1050 8589
Etroubles AO 13 501 9090
Allein AO 16 229 9319
Saint-Nicolas AO 17 311 9630
Avise AO 17 305 9935
La Thuile AO 18 761 10696
Arvier AO 18 873 11569
Doues AO 18 510 12079
Ollomont AO 19 157 12236
Gignod AO 19 1710 13946
Villeneuve AO 19 1289 15235
Saint-Pierre AO 20 3165 18400
Introd AO 20 658 19058
Roisan AO 20 1036 20094

Municipalities with at least 50000 inhabitants

An earthquake occurred to
99 Km NW of Torino (890529 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 1.3 2023-10-07
13:17:35
45.8507 7.0737 10 2023-10-07
13:35:34
Sala Sismica INGV-Roma 121855631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-07 13:17:35 ± 0.24
Latitude 45.8507 ± 0.0117
Longitude 7.0737 ± 0.0258
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121855631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2060
Semi-minor axis of confidence ellipse (meter) 1180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 2060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88223
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 121855631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-07 13:35:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2023-10-07T13:18:31.93 3.0 undecidable manual Sn -0.16 0
CH.BERNI.HHZ. 2023-10-07T13:18:16.83 3.0 negative manual Pg 5.45 0
CH.BNALP.HHZ. 2023-10-07T13:18:01.72 3.0 negative manual P 0.24 0
CH.GIMEL.HHE. 2023-10-07T13:17:52.03 0.3 undecidable manual P 321 97.9242 50 0.29 62
GU.RSP.HHE. 2023-10-07T13:17:49.21 0.3 undecidable manual P 169 79.365 50 0.34 64
GU.LSD.HHZ. 2023-10-07T13:17:48.61 0.1 undecidable manual S 174 43.623 50 -0.82 77
GU.TRAV.HHZ. 2023-10-07T13:17:47.11 0.1 undecidable manual P 126 64.1913 50 0.56 83
CH.DIX.HHZ. 2023-10-07T13:17:46.61 0.1 undecidable manual S 45 36.2415 50 -0.85 77
GU.CIRO.HHZ. 2023-10-07T13:17:44.21 1.0 positive manual P 126 47.2194 50 0.29 23
GU.LSD.HHZ. 2023-10-07T13:17:43.34 0.1 undecidable manual P 174 43.623 50 -0.03 97
CH.DIX.HHZ. 2023-10-07T13:17:42.27 0.3 undecidable manual P 45 36.2415 50 0.04 74
GU.REMY.HHE. 2023-10-07T13:17:39.53 0.1 undecidable manual S 102 6.5934 147 0.3 98
GU.REMY.HHE. 2023-10-07T13:17:37.74 0.1 undecidable manual P 102 6.5934 147 0.26 99
IV.MRGE.HHZ. 2023-10-07T13:17:37.60 0.1 undecidable manual P 186 8.9799 138 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHE. ML:1.4 0.00031500105 0.1792 AML other m 2023-10-07T13:17:39.45
IV.MRGE.HHN. ML:1.5 0.000409605 0.2816 AML other m 2023-10-07T13:17:39.51
GU.LSD.HHE. ML:1.0 0.000027688095000000003 0.32 AML other m 2023-10-07T13:17:48.90
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