Earthquake with magnitude of ML 1.6 on date 26-12-2023 and time 19:59:32 (Italy) in region 6 km NE Aisone (CN)

A magnitude ML 1.6 earthquake occured in region: 6 km NE Aisone (CN), on

  • 26-12-2023 18:59:32 (UTC)
  • 26-12-2023 19:59:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3640, 7.2520 at 11 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
Aisone CN 6 248 248
Castelmagno CN 6 66 314
Demonte CN 7 2003 2317
Pradleves CN 7 250 2567
Monterosso Grana CN 8 505 3072
Vinadio CN 9 644 3716
Valloriate CN 10 109 3825
Valgrana CN 12 786 4611
Rittana CN 12 109 4720
Moiola CN 12 234 4954
Montemale di Cuneo CN 13 241 5195
Gaiola CN 13 582 5777
Cartignano CN 13 190 5967
San Damiano Macra CN 14 430 6397
Sambuco CN 14 92 6489
Celle di Macra CN 15 100 6589
Roccabruna CN 15 1585 8174
Dronero CN 15 7035 15209
Valdieri CN 15 935 16144
Bernezzo CN 15 4104 20248
Caraglio CN 15 6836 27084
Roccasparvera CN 15 741 27825
Marmora CN 16 68 27893
Macra CN 16 59 27952
Villar San Costanzo CN 17 1547 29499
Canosio CN 17 80 29579
Cervasca CN 17 5013 34592
Vignolo CN 17 2600 37192
Pietraporzio CN 18 77 37269
Entracque CN 18 774 38043
Stroppo CN 19 103 38146
Roccavione CN 19 2761 40907
Borgo San Dalmazzo CN 19 12468 53375
Roaschia CN 19 107 53482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Cuneo (56081 inhabitants)
74 Km NW of Sanremo (54807 inhabitants)
79 Km SW of Moncalieri (57294 inhabitants)
86 Km SW of Torino (890529 inhabitants)
96 Km SW of Asti (76202 inhabitants)
98 Km W of Savona (61345 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 1.6 2023-12-26
18:59:32
44.3637 7.2517 11 2023-12-26
19:06:59
Sala Sismica INGV-Roma 124284241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-26 18:59:32 ± 0.12
Latitude 44.3637 ± 0.0063
Longitude 7.2517 ± 0.0126
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124284241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1052
Semi-minor axis of confidence ellipse (meter) 457
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93979
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 124284241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-26 19:06:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ROTM.HHZ. 2023-12-26T19:00:03.32 1.0 undecidable manual S 58 102.2199 50 1.18 14
GU.PCP.HHZ. 2023-12-26T19:00:02.89 0.6 undecidable manual S 79 104.3178 50 0.2 41
IV.QLNO.HHZ. 2023-12-26T18:59:57.76 0.6 undecidable manual S 93 86.9463 50 -0.28 42
GU.CANO.HHZ. 2023-12-26T18:59:55.66 0.3 undecidable manual S 102 80.1642 50 -0.58 59
GU.RRL.HHZ. 2023-12-26T18:59:54.06 0.6 undecidable manual S 330 71.7726 50 0.07 45
GU.BURY.HHZ. 2023-12-26T18:59:53.13 0.6 undecidable manual S 159 68.8755 50 -0.1 45
GU.IMI.HHZ. 2023-12-26T18:59:53.80 0.6 undecidable manual S 134 71.6727 50 -0.17 44
RD.ORIF.BHZ. 2023-12-26T18:59:53.96 3.0 negative manual P 0.89 0
GU.PCP.HHZ. 2023-12-26T18:59:50.05 0.6 negative manual P 79 104.3178 50 0.2 41
GU.ROTM.HHZ. 2023-12-26T18:59:50.53 0.6 negative manual P 58 102.2199 50 1.01 31
IV.MONC.HHZ. 2023-12-26T18:59:49.19 0.1 undecidable manual P 34 95.1381 50 0.77 71
4P.IT06A.HHZ. 2023-12-26T18:59:49.15 0.6 undecidable manual S 69 53.3022 50 0.08 47
IV.QLNO.HHZ. 2023-12-26T18:59:47.20 0.1 undecidable manual P 93 86.9463 50 0.04 88
GU.GBOS.HHZ. 2023-12-26T18:59:47.14 0.3 undecidable manual S 106 48.618 50 -0.68 60
FR.SAOF.HHZ.00 2023-12-26T18:59:47.49 0.6 undecidable manual S 150 48.3183 50 -0.23 46
GU.CANO.HHZ. 2023-12-26T18:59:46.11 0.1 undecidable manual P 102 80.1642 50 -0.01 90
GU.IMI.HHZ. 2023-12-26T18:59:44.95 0.1 undecidable manual P 134 71.6727 50 0.14 89
GU.RRL.HHZ. 2023-12-26T18:59:44.78 0.1 undecidable manual P 330 71.7726 50 -0.04 91
GU.BURY.HHZ. 2023-12-26T18:59:44.84 0.1 undecidable manual P 159 68.8755 50 0.46 84
4P.IT06A.HHZ. 2023-12-26T18:59:42.11 0.1 undecidable manual P 69 53.3022 50 0.13 92
GU.GBOS.HHZ. 2023-12-26T18:59:41.07 0.1 undecidable manual P 106 48.618 50 -0.19 92
FR.SAOF.HHZ.00 2023-12-26T18:59:41.36 0.1 undecidable manual P 150 48.3183 50 0.16 93
GU.BHB.HHZ. 2023-12-26T18:59:41.04 0.1 undecidable manual P 1 52.3032 50 -0.79 76
GU.PZZ.HHZ. 2023-12-26T18:59:39.34 0.6 undecidable manual S 326 19.1697 119 -0.57 44
GU.STV.HHZ. 2023-12-26T18:59:38.24 0.6 undecidable manual S 156 14.4744 127 -0.29 48
GU.STV.HHZ. 2023-12-26T18:59:36.13 0.1 undecidable manual P 156 14.4744 127 0.24 97
GU.PZZ.HHZ. 2023-12-26T18:59:36.66 0.1 undecidable manual P 326 19.1697 119 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:2.1 0.0013450000000000003 0.14 AML other m 2023-12-26T18:59:38.35
GU.STV.HHN. ML:2.1 0.0013372285 0.0512 AML other m 2023-12-26T18:59:38.31
GU.PZZ.HHE. ML:1.9 0.0005520000000000001 0.24 AML other m 2023-12-26T18:59:39.68
GU.PZZ.HHN. ML:1.8 0.00046285354999999997 0.1024 AML other m 2023-12-26T18:59:39.58
GU.BHB.HHN. ML:1.3 0.000050350000000000004 0.14 AML other m 2023-12-26T18:59:47.73
FR.SAOF.HHE.00 ML:1.5 0.000077515 0.0384 AML other m 2023-12-26T18:59:47.72
GU.BHB.HHE. ML:1.4 0.0000544847 0.0896 AML other m 2023-12-26T18:59:48.38
FR.SAOF.HHN.00 ML:1.3 0.000049098766000000005 0.0768 AML other m 2023-12-26T18:59:48.25
4P.IT06A.HHE. ML:2.0 0.00026949999999999994 0.18 AML other m 2023-12-26T18:59:49.58
GU.IMI.HHE. ML:1.7 0.00007461196000000001 0.1664 AML other m 2023-12-26T18:59:53.91
GU.IMI.HHN. ML:1.8 0.00011256935 0.2048 AML other m 2023-12-26T18:59:54.10
4P.IT06A.HHN. ML:1.8 0.00016126625 0.2432 AML other m 2023-12-26T18:59:56.18
GU.BHB.HNE. ML:1.4 0.00005530451 0.0896 AML other m 2023-12-26T18:59:48.33
GU.BHB.HNN. ML:1.4 0.000057421760000000004 0.1536 AML other m 2023-12-26T18:59:47.74
GU.RRL.HHN. ML:1.3 0.00003452822755 0.3072 AML other m 2023-12-26T18:59:56.44
GU.BURY.HHN. ML:1.2 0.000028234155 0.128 AML other m 2023-12-26T18:59:53.40
GU.BURY.HHE. ML:1.4 0.000040340205000000004 0.1152 AML other m 2023-12-26T18:59:53.93
IV.QLNO.HHE. ML:1.6 0.00004506467 0.128 AML other m 2023-12-26T18:59:58.82
IV.MONC.HHN. ML:1.8 0.000069197735 1.1904 AML other m 2023-12-26T19:00:25.16
GU.PCP.HHE. ML:1.7 0.000050711310000000004 2.5856 AML other m 2023-12-26T19:00:05.24
GU.PCP.HHN. ML:1.6 0.000041938055 1.5488 AML other m 2023-12-26T19:00:04.79
GU.ROTM.HHN. ML:2.2 0.0001664081 2.0096 AML other m 2023-12-26T19:00:05.92
GU.ROTM.HHE. ML:2.1 0.000119546 0.32 AML other m 2023-12-26T19:00:05.32
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