Earthquake with magnitude of ML 0.9 on date 25-12-2023 and time 13:05:32 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 0.9 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 25-12-2023 12:05:32 (UTC)
  • 25-12-2023 13:05:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.2510, 7.0670 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
Novalesa TO 8 534 534
Moncenisio TO 8 36 570
Venaus TO 11 907 1477
Usseglio TO 12 209 1686
Mompantero TO 12 659 2345
Susa TO 13 6466 8811
Giaglione TO 13 631 9442
Balme TO 13 115 9557
Chianocco TO 14 1675 11232
Bussoleno TO 14 6094 17326
Gravere TO 14 692 18018
Meana di Susa TO 14 826 18844
Mattie TO 15 687 19531
Bruzolo TO 16 1524 21055
Chiomonte TO 16 916 21971
San Giorio di Susa TO 16 1024 22995
San Didero TO 17 551 23546
Lemie TO 18 179 23725
Borgone Susa TO 20 2229 25954
Exilles TO 20 273 26227

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km W of Torino (890529 inhabitants)
56 Km W of Moncalieri (57294 inhabitants)
98 Km W of Asti (76202 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 0.9 2023-12-25
12:05:32
45.2508 7.0668 10 2023-12-25
12:13:58
Sala Sismica INGV-Roma 124262521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-25 12:05:32 ± 0.2
Latitude 45.2508 ± 0.0072
Longitude 7.0668 ± 0.0204
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 124262521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1501
Semi-minor axis of confidence ellipse (meter) 485
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) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90112
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 124262521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-25 12:13:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2023-12-25T12:05:57.40 3.0 undecidable manual P 0.1 0
RD.ORIF.BHE. 2023-12-25T12:05:49.89 0.6 undecidable manual P 249 100.0221 50 0.38 40
GU.CIRO.HHZ. 2023-12-25T12:05:49.84 0.3 undecidable manual S 45 55.1004 50 -0.11 70
GU.BHB.HHZ. 2023-12-25T12:05:47.40 0.3 undecidable manual S 161 48.5181 50 -0.8 58
GU.PZZ.HHZ. 2023-12-25T12:05:47.19 0.6 undecidable manual P 177 82.6506 50 0.35 42
IV.MRGE.HHZ. 2023-12-25T12:05:43.15 0.3 undecidable manual P 360 57.5979 50 0.18 68
GU.CIRO.HHZ. 2023-12-25T12:05:43.23 0.3 undecidable manual P 45 55.1004 50 0.63 61
GU.BHB.HHZ. 2023-12-25T12:05:41.75 0.1 undecidable manual P 161 48.5181 50 0.17 93
GU.RRL.HHZ. 2023-12-25T12:05:40.16 0.3 undecidable manual P 211 42.5241 50 -0.49 66
GU.RSP.HHZ. 2023-12-25T12:05:40.02 0.1 undecidable manual S 126 19.1697 118 -0.06 100
GU.LSD.HHZ. 2023-12-25T12:05:40.92 0.1 undecidable manual S 13 23.754 113 -0.59 87
GU.RSP.HHZ. 2023-12-25T12:05:37.24 0.1 undecidable manual P 126 19.1697 118 0.34 95
GU.LSD.HHZ. 2023-12-25T12:05:37.90 0.1 undecidable manual P 13 23.754 113 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHN. ML:1.2 0.0001123 0.08 AML other m 2023-12-25T12:05:41.53
GU.LSD.HHE. ML:1.2 0.00010306424999999999 0.0576 AML other m 2023-12-25T12:05:41.54
GU.RSP.HHE. ML:0.9 0.000055330165 0.064 AML other m 2023-12-25T12:05:40.08
GU.RSP.HHN. ML:0.5 0.00002567799 0.1408 AML other m 2023-12-25T12:05:40.35
GU.RRL.HHN. ML:0.8 0.00001840006 1.3184 AML other m 2023-12-25T12:05:45.76
GU.RRL.HHE. ML:0.8 0.000017927884500000003 0.3584 AML other m 2023-12-25T12:05:46.65
GU.BHB.HNN. ML:1.1 0.0000340884 0.1088 AML other m 2023-12-25T12:05:48.51
GU.BHB.HHE. ML:0.7 0.00001461053215 0.0768 AML other m 2023-12-25T12:05:48.88
GU.BHB.HHN. ML:1.1 0.000036300489999999995 0.1024 AML other m 2023-12-25T12:05:48.50
IV.MRGE.HHN. ML:0.8 0.00001335778 0.0832 AML other m 2023-12-25T12:05:51.27
IV.MRGE.HHE. ML:0.8 0.00001585091 1.696 AML other m 2023-12-25T12:05:51.79
GU.CIRO.HHN. ML:0.6 0.000007894122999999999 0.1408 AML other m 2023-12-25T12:05:50.10
GU.CIRO.HHE. ML:0.6 0.0000104009 0.1664 AML other m 2023-12-25T12:05:50.35
GU.PZZ.HHN. ML:1.3 0.000024094584999999994 0.1792 AML other m 2023-12-25T12:05:58.61
GU.PZZ.HHE. ML:1.2 0.0000191757315 0.1792 AML other m 2023-12-25T12:05:59.26
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