Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-09-2024 and time 08:38:18 (UTC) in region 4 km NE Sampeyre (CN)

A magnitude ML 1.5 earthquake occured in region: 4 km NE Sampeyre (CN), on

  • 16-09-2024 08:38:18 (UTC)
  • 16-09-2024 10:38:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6120, 7.2220 at 12 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sampeyre CN 4 1022 1022
Frassino CN 6 265 1287
Oncino CN 8 76 1363
Sanfront CN 9 2395 3758
Paesana CN 9 2784 6542
Ostana CN 9 83 6625
Melle CN 10 292 6917
Gambasca CN 10 371 7288
Crissolo CN 11 168 7456
Rifreddo CN 11 1078 8534
Martiniana Po CN 12 734 9268
Brossasco CN 12 1084 10352
Casteldelfino CN 12 157 10509
Valmala CN 12 52 10561
Macra CN 13 59 10620
Isasca CN 13 76 10696
Elva CN 13 97 10793
San Damiano Macra CN 14 430 11223
Stroppo CN 14 103 11326
Revello CN 14 4262 15588
Envie CN 14 2074 17662
Brondello CN 15 290 17952
Celle di Macra CN 15 100 18052
Venasca CN 15 1437 19489
Barge CN 15 7774 27263
Pontechianale CN 15 179 27442
Cartignano CN 16 190 27632
Bellino CN 17 109 27741
Pagno CN 17 585 28326
Castellar CN 17 295 28621
Roccabruna CN 18 1585 30206
Bagnolo Piemonte CN 18 6024 36230
Rossana CN 18 908 37138
Villar San Costanzo CN 19 1547 38685
Piasco CN 19 2774 41459
Prazzo CN 19 170 41629
Dronero CN 20 7035 48664
Marmora CN 20 68 48732

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Cuneo (56081 inhabitants)
57 Km SW of Moncalieri (57294 inhabitants)
63 Km SW of Torino (890529 inhabitants)
84 Km W of Asti (76202 inhabitants)
99 Km NW of Sanremo (54807 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 1.5 2024-09-16
08:38:18		 44.6117 7.222 12 2024-09-16
08:54:20		 Sala Sismica INGV-Roma 131485601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-16 08:38:18 ± 0.08
Latitude 44.6117 ± 0.0045
Longitude 7.2220 ± 0.0088
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131485601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 633
Semi-minor axis of confidence ellipse (meter) 275
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00005
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 131485601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-16 08:54:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CIGN.HHZ. 2024-09-16T08:40:16.10 3.0 negative manual Pg 22.16 0
IV.SSFR.HHZ. 2024-09-16T08:40:13.43 3.0 undecidable manual Sn -1.4 0
IV.ATCC.EHZ. 2024-09-16T08:40:10.18 3.0 undecidable manual Sn -4.39 0
IV.MRLC.HHZ. 2024-09-16T08:40:04.82 3.0 positive manual Pn -0.92 0
OT.OT14.HHZ. 2024-09-16T08:40:04.21 3.0 undecidable manual Pn 2.73 0
ST.PANI.EHZ. 2024-09-16T08:40:00.40 3.0 undecidable manual Sg 8.9 0
IT.MCLF.HNZ. 2024-09-16T08:40:00.75 3.0 negative manual Pn 9.1 0
ST.CARE.HNZ. 2024-09-16T08:39:56.29 3.0 undecidable manual Sg 9.67 0
IV.CSNT.HHZ. 2024-09-16T08:39:44.93 3.0 undecidable manual Sn -4.66 0
IV.NRCA.HHZ. 2024-09-16T08:39:43.94 3.0 undecidable manual Pg 13.77 0
IV.SENI.EHZ. 2024-09-16T08:39:41.38 3.0 negative manual Pg 14.08 0
IV.BRMO.HHZ. 2024-09-16T08:39:37.69 3.0 undecidable manual Sn -5.32 0
IV.ARRO.EHZ. 2024-09-16T08:39:28.54 3.0 undecidable manual Pn -0.04 0
IV.NARO.HHZ. 2024-09-16T08:39:27.28 3.0 undecidable manual Pn 5.92 0
IV.MURB.HHZ. 2024-09-16T08:39:23.86 3.0 positive manual Pn 1.47 0
IV.RIBO.EHZ.01 2024-09-16T08:39:21.79 3.0 negative manual Pg 10.79 0
IV.LMD.HHZ. 2024-09-16T08:39:14.57 3.0 undecidable manual Pn 3.19 0
ST.CARE.HNZ. 2024-09-16T08:39:09.54 3.0 undecidable manual Pn 1.38 0
RD.ORIF.BHZ. 2024-09-16T08:38:50.26 1.0 undecidable manual S 288 111 90 -0.24 21
GU.PCP.HHZ. 2024-09-16T08:38:48.76 0.3 undecidable manual S 94 104.9172 90 -0.09 65
GU.IMI.HHZ. 2024-09-16T08:38:46.03 0.6 undecidable manual S 145 94.3389 90 0 45
IV.SARZ.HNZ. 2024-09-16T08:38:46.59 3.0 undecidable manual P 3.15 0
GU.CANO.HHZ. 2024-09-16T08:38:45.11 0.6 undecidable manual S 119 92.1411 90 -0.33 42
GU.LSD.HHZ. 2024-09-16T08:38:45.58 0.6 undecidable manual S 356 94.3389 90 -0.45 41
IV.MRGE.HHZ. 2024-09-16T08:38:40.83 3.0 positive manual P -1.39 0
FR.ENAUX.HHE.00 2024-09-16T08:38:38.50 0.1 undecidable manual S 212 65.8896 90 0.04 97
GU.GBOS.HHZ. 2024-09-16T08:38:37.51 0.3 undecidable manual S 130 63.8916 90 -0.4 66
RD.ORIF.BHZ. 2024-09-16T08:38:37.58 1.0 positive manual P 288 111 90 0.65 20
GU.PCP.HHZ. 2024-09-16T08:38:36.27 0.3 positive manual P 94 104.9172 90 0.29 66
4P.IT06A.HHZ. 2024-09-16T08:38:35.23 0.1 undecidable manual S 99 52.7028 91 0.31 97
GU.CANO.HHZ. 2024-09-16T08:38:34.32 0.6 undecidable manual P 119 92.1411 90 0.31 45
GU.LSD.HHZ. 2024-09-16T08:38:34.80 0.1 undecidable manual P 356 94.3389 90 0.44 86
GU.IMI.HHZ. 2024-09-16T08:38:34.27 0.3 undecidable manual P 145 94.3389 90 -0.09 67
GU.ENR.HHE. 2024-09-16T08:38:32.58 0.3 undecidable manual S 160 45.1215 91 -0.34 70
FR.SAOF.HHZ.00 2024-09-16T08:38:31.16 0.6 undecidable manual P 159 74.1702 90 -0.1 46
GU.STV.HHE. 2024-09-16T08:38:31.55 0.3 undecidable manual S 168 41.5251 91 -0.39 69
FR.ENAUX.HHE.00 2024-09-16T08:38:30.49 0.3 undecidable manual P 212 65.8896 90 0.51 67
GU.GBOS.HHZ. 2024-09-16T08:38:29.72 0.1 undecidable manual P 130 63.8916 90 0.05 97
GU.RSP.HHZ. 2024-09-16T08:38:28.42 1.0 negative manual P 3 59.5959 90 -0.59 21
4P.IT06A.HHZ. 2024-09-16T08:38:28.36 0.3 undecidable manual P 99 52.7028 91 0.42 71
GU.RRL.HHZ. 2024-09-16T08:38:27.37 0.3 negative manual P 315 48.3183 91 0.1 75
GU.ENR.HHE. 2024-09-16T08:38:26.62 0.1 undecidable manual P 160 45.1215 91 -0.16 96
GU.BHB.HHZ. 2024-09-16T08:38:26.95 0.3 undecidable manual S 7 25.0527 92 -0.59 65
GU.STV.HHE. 2024-09-16T08:38:26.59 0.1 undecidable manual P 168 41.5251 91 0.37 96
GU.PZZ.HHZ. 2024-09-16T08:38:24.42 0.3 undecidable manual S 216 14.3745 102 -0.29 75
GU.BHB.HHZ. 2024-09-16T08:38:23.54 0.1 undecidable manual P 7 25.0527 92 -0.14 100
GU.PZZ.HHZ. 2024-09-16T08:38:22.37 0.6 undecidable manual P 216 14.3745 102 0.32 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.8 0.000646 0.26 AML other m 2024-09-16T08:38:24.88
GU.PZZ.HHE. ML:1.8 0.00058999835 0.2 AML other m 2024-09-16T08:38:26.08
GU.BHB.HNE. ML:0.0 0.00019539834999999999 0.17 AML other m 2024-09-16T08:38:27.81
GU.BHB.HHE. ML:0.0 0.0002238434 0.16 AML other m 2024-09-16T08:38:27.72
GU.BHB.HHN. ML:0.0 0.0001675821 0.18 AML other m 2024-09-16T08:38:28.27
GU.BHB.HNN. ML:0.0 0.00018467850000000003 0.19 AML other m 2024-09-16T08:38:28.27
GU.GBOS.HHN. ML:1.6 0.00008135000000000001 0.18 AML other m 2024-09-16T08:38:37.52
GU.GBOS.HHE. ML:1.5 0.00005760625 0.18 AML other m 2024-09-16T08:38:37.79
GU.RSP.HHN. ML:1.0 0.0000211 0.16 AML other m 2024-09-16T08:38:37.96
GU.RSP.HHE. ML:0.9 0.000016310119999999996 0.1 AML other m 2024-09-16T08:38:39.61
GU.LSD.HHN. ML:1.4 0.0000248 0.6 AML other m 2024-09-16T08:38:47.42
GU.LSD.HHE. ML:1.4 0.00003229999999999999 0.32 AML other m 2024-09-16T08:38:47.92
GU.RRL.HHN. ML:1.5 0.00009013358 0.16 AML other m 2024-09-16T08:38:33.54
4P.IT06A.HHN. ML:1.8 0.00015456885 0.2 AML other m 2024-09-16T08:38:35.59
4P.IT06A.HHE. ML:1.7 0.00012911930999999998 0.18 AML other m 2024-09-16T08:38:35.86
FR.SAOF.HHE.00 ML:1.0 0.0000153189 0.06 AML other m 2024-09-16T08:38:42.06
FR.SAOF.HHN.00 ML:1.0 0.000016499559 0.08 AML other m 2024-09-16T08:38:41.98
GU.CANO.HHN. ML:1.8 0.00006636278499999999 0.18 AML other m 2024-09-16T08:38:46.69
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