Earthquake with magnitude of ML 1.7 on date 26-11-2023 and time 20:54:18 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.7 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 26-11-2023 19:54:18 (UTC)
  • 26-11-2023 20:54:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.8820, 6.6210 at 9 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 12 214 214
Cesana Torinese TO 16 967 1181

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 1.7 2023-11-26
19:54:18
44.882 6.6207 9 2023-11-26
20:04:33
Sala Sismica INGV-Roma 123472551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-26 19:54:18 ± 0.19
Latitude 44.8820 ± 0.0099
Longitude 6.6207 ± 0.0114
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123472551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1002
Semi-minor axis of confidence ellipse (meter) 869
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
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 21
Number of defining phases 19
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) 1.11516
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 123472551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-26 20:04:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2023-11-26T19:54:44.83 3.0 negative manual P 1.13 0
GU.RORO.HHZ. 2023-11-26T19:54:42.54 3.0 negative manual P 0.2 0
FR.SAOF.HHE.00 2023-11-26T19:54:39.76 0.1 undecidable manual P 143 123.7872 50 0.54 73
GU.GBOS.HHZ. 2023-11-26T19:54:38.84 0.1 undecidable manual P 126 119.6913 50 0.26 78
IV.MRGE.HHZ. 2023-11-26T19:54:37.14 0.6 undecidable manual P 19 104.3178 50 0.93 32
GU.TRAV.HHZ. 2023-11-26T19:54:37.94 0.6 negative manual P 51 112.3986 50 0.49 38
GU.CIRO.HHZ. 2023-11-26T19:54:37.33 0.1 undecidable manual P 42 108.9132 50 0.41 77
RD.ORIF.BHE. 2023-11-26T19:54:36.16 0.3 undecidable manual S 274 58.2972 50 -0.79 56
GU.RSP.HHE. 2023-11-26T19:54:36.33 0.6 undecidable manual S 59 58.497 50 -0.67 39
GU.ENR.HHE. 2023-11-26T19:54:35.39 0.1 undecidable manual P 139 96.0261 50 0.46 79
GU.PZZ.HHZ. 2023-11-26T19:54:35.76 0.6 undecidable manual S 137 57.0984 50 -0.86 36
GU.BHB.HHZ. 2023-11-26T19:54:34.85 0.3 undecidable manual S 96 50.8158 50 -0.08 70
GU.LSD.HHZ. 2023-11-26T19:54:32.00 0.1 undecidable manual P 32 75.5688 50 0.22 86
RD.ORIF.BHE. 2023-11-26T19:54:29.29 0.1 undecidable manual P 274 58.2972 50 0.17 90
GU.RSP.HHE. 2023-11-26T19:54:29.06 0.1 undecidable manual P 59 58.497 50 -0.09 91
GU.PZZ.HHZ. 2023-11-26T19:54:28.49 0.1 undecidable manual P 137 57.0984 50 -0.44 85
GU.BHB.HHZ. 2023-11-26T19:54:27.70 0.1 undecidable manual P 96 50.8158 50 -0.26 90
MN.BNI.HHE. 2023-11-26T19:54:25.42 0.6 undecidable manual S 13 19.3695 115 -0.4 46
GU.RRL.HHZ. 2023-11-26T19:54:23.76 0.6 undecidable manual S 72 13.9749 122 -0.42 46
MN.BNI.HHE. 2023-11-26T19:54:22.70 0.1 undecidable manual P 13 19.3695 115 0 100
GU.RRL.HHZ. 2023-11-26T19:54:21.79 0.1 undecidable manual P 72 13.9749 122 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHN. ML:2.1 0.001395 0.26 AML other m 2023-11-26T19:54:23.86
GU.RRL.HHE. ML:1.8 0.0006850000000000001 0.56 AML other m 2023-11-26T19:54:25.17
GU.BHB.HHN. ML:1.5 0.00009065 0.56 AML other m 2023-11-26T19:54:35.12
GU.PZZ.HHE. ML:2.0 0.00021450000000000004 0.16 AML other m 2023-11-26T19:54:37.44
GU.PZZ.HHN. ML:2.0 0.00020400000000000003 0.82 AML other m 2023-11-26T19:54:37.55
GU.BHB.HHE. ML:1.5 0.00007735 0.48 AML other m 2023-11-26T19:54:38.33
GU.LSD.HHN. ML:1.7 0.00007975 1.1 AML other m 2023-11-26T19:54:42.28
GU.LSD.HHE. ML:1.8 0.0001055 0.26 AML other m 2023-11-26T19:54:42.29
GU.CIRO.HHN. ML:1.5 0.00002355 0.38 AML other m 2023-11-26T19:54:50.83
GU.CIRO.HHE. ML:1.5 0.000023 0.32 AML other m 2023-11-26T19:54:50.74
GU.GBOS.HHN. ML:1.6 0.000030339999999999998 0.88 AML other m 2023-11-26T19:54:55.28
GU.RORO.HHE. ML:1.6 0.00002665 0.78 AML other m 2023-11-26T19:55:00.40
GU.RORO.HHN. ML:1.7 0.00002751 1.58 AML other m 2023-11-26T19:55:00.80
GU.GBOS.HHE. ML:1.6 0.00003115 0.46 AML other m 2023-11-26T19:55:01.27
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