Earthquake with magnitude of ML 0.8 on date 18-07-2024 and time 23:05:50 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 18-07-2024 21:05:50 (UTC)
  • 18-07-2024 23:05:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.6360, 6.9620 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
Valgrisenche AO 8 196 196
La Thuile AO 9 761 957
Rhêmes-Notre-Dame AO 14 89 1046
Pré-Saint-Didier AO 14 1050 2096
Morgex AO 15 2104 4200
La Salle AO 15 2087 6287
Rhêmes-Saint-Georges AO 15 194 6481
Avise AO 16 305 6786
Courmayeur AO 18 2807 9593
Arvier AO 18 873 10466
Saint-Nicolas AO 18 311 10777
Introd AO 19 658 11435
Valsavarenche AO 20 161 11596

Municipalities with at least 50000 inhabitants

An earthquake occurred to
84 Km NW of Torino (890529 inhabitants)
90 Km NW of Moncalieri (57294 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 0.8 2024-07-18
21:05:50
45.6362 6.9623 10 2024-07-18
21:13:08
Sala Sismica INGV-Roma 130001661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-18 21:05:50 ± 0.39
Latitude 45.6362 ± 0.0126
Longitude 6.9623 ± 0.0206
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 130001661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1917
Semi-minor axis of confidence ellipse (meter) 768
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 130
Circular confidence region, given by single value of horizontal uncertainty (meter) 1920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 239
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.21314
Epicentral distance of station farthest from the epicenter (degree) 0.82738
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 130001661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-18 21:13:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.BHB.HHZ. 2024-07-18T21:06:18.16 0.6 undecidable manual S 165 91.8414 50 0.48 42
GU.RRL.HHZ. 2024-07-18T21:06:14.24 0.6 undecidable manual S 190 80.4639 50 -0.4 43
GU.SATI.HHZ. 2024-07-18T21:06:13.76 1.0 undecidable manual S 69 74.9694 50 0.59 21
GU.TRAV.HHZ. 2024-07-18T21:06:09.59 0.6 undecidable manual S 102 62.3931 50 -0.22 47
GU.BHB.HHZ. 2024-07-18T21:06:06.55 0.6 undecidable manual P 165 91.8414 50 0.36 43
GU.CIRO.HHZ. 2024-07-18T21:06:05.41 0.6 undecidable manual S 94 47.1195 50 -0.33 47
GU.RRL.HHZ. 2024-07-18T21:06:04.30 1.0 undecidable manual P 190 80.4639 50 -0.13 23
GU.SATI.HHZ. 2024-07-18T21:06:03.84 0.6 undecidable manual P 69 74.9694 50 0.26 45
GU.TRAV.HHZ. 2024-07-18T21:06:01.88 0.3 negative manual P 102 62.3931 50 0.24 69
GU.LSD.HHZ. 2024-07-18T21:05:59.65 0.6 undecidable manual S 146 23.6541 113 0.24 50
GU.CIRO.HHZ. 2024-07-18T21:05:58.83 0.6 undecidable manual P 94 47.1195 50 -0.46 45
GU.LSD.HHZ. 2024-07-18T21:05:55.44 0.1 positive manual P 146 23.6541 113 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHN. ML:0.8 0.00003755 0.7 AML other m 2024-07-18T21:05:59.96
GU.LSD.HHE. ML:0.9 0.00004425 0.18 AML other m 2024-07-18T21:06:01.53
GU.CIRO.HHE. ML:0.6 0.00001245 0.7 AML other m 2024-07-18T21:06:07.53
GU.CIRO.HHN. ML:0.8 0.000019200000000000003 0.7 AML other m 2024-07-18T21:06:07.21
GU.BHB.HHN. ML:1.0 0.0000113 1.38 AML other m 2024-07-18T21:06:19.77
GU.BHB.HHE. ML:1.0 0.000010950000000000002 0.52 AML other m 2024-07-18T21:06:20.92
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