Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 12-11-2018 and time 12:15:43 (Italy) in region 6 km NW Demonte (CN)

A magnitude ML 2.5 earthquake occured in region: 6 km NW Demonte (CN), on

  • 12-11-2018 11:15:43 (UTC)
  • 12-11-2018 12:15:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3660, 7.2740 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Demonte CN 6 2003 2003
Pradleves CN 6 250 2253
Monterosso Grana CN 6 505 2758
Castelmagno CN 7 66 2824
Aisone CN 7 248 3072
Valloriate CN 9 109 3181
Valgrana CN 10 786 3967
Vinadio CN 10 644 4611
Rittana CN 10 109 4720
Moiola CN 11 234 4954
Gaiola CN 11 582 5536
Montemale di Cuneo CN 11 241 5777
Cartignano CN 13 190 5967
Bernezzo CN 13 4104 10071
Dronero CN 13 7035 17106
Roccabruna CN 14 1585 18691
Caraglio CN 14 6836 25527
Roccasparvera CN 14 741 26268
Valdieri CN 14 935 27203
San Damiano Macra CN 14 430 27633
Celle di Macra CN 15 100 27733
Vignolo CN 16 2600 30333
Cervasca CN 16 5013 35346
Villar San Costanzo CN 16 1547 36893
Sambuco CN 16 92 36985
Macra CN 17 59 37044
Entracque CN 17 774 37818
Borgo San Dalmazzo CN 18 12468 50286
Roccavione CN 18 2761 53047
Marmora CN 18 68 53115
Roaschia CN 18 107 53222
Canosio CN 18 80 53302
Pietraporzio CN 19 77 53379
Stroppo CN 20 103 53482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Cuneo (56081 inhabitants)
73 Km NW of Sanremo (54807 inhabitants)
78 Km SW of Moncalieri (57294 inhabitants)
85 Km SW of Torino (890529 inhabitants)
95 Km SW of Asti (76202 inhabitants)
96 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
Bulletin
Rev1000 		ML 2.5 2018-11-12
11:15:43		 44.3658 7.2745 11 2019-06-04
09:16:02		 Bollettino Sismico Italiano INGV 63606871
Reviewed
Rev100 		ML 2.4 2018-11-12
11:15:43		 44.3793 7.2927 11 2018-11-12
11:27:48		 Sala Sismica INGV-Roma 63000161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-12 11:15:43 ± 0.13
Latitude 44.3658 ± 0.0081
Longitude 7.2745 ± 0.0138
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63606871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1298
Semi-minor axis of confidence ellipse (meter) 403
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.12591
Epicentral distance of station farthest from the epicenter (degree) 2.06934
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 63000161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-12 11:27:48

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 63606871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-12-03 09:23:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.EQUI.HHN. 2018-11-12T11:16:18.39 0.6 undecidable manual P 95 229.6923 38 -0.74 23
CH.MMK.HHN. 2018-11-12T11:16:13.96 0.6 undecidable manual P 16 194.4609 38 -0.79 28
IV.BOB.HNE. 2018-11-12T11:16:13.45 0.6 undecidable manual P 75 177.489 38 0.82 30
MN.BNI.HHZ. 2018-11-12T11:16:09.84 0.6 undecidable manual S 328 89.4438 50 -0.42 45
GU.RNCA.HHE. 2018-11-12T11:16:06.09 0.6 undecidable manual P 84 133.3665 50 0.2 43
GU.RRL.HHZ. 2018-11-12T11:16:05.58 0.6 undecidable manual S 328 72.4719 50 -0.14 50
GU.RORO.HHZ. 2018-11-12T11:16:04.61 0.6 undecidable manual S 114 68.8755 50 -0.17 50
GU.BURY.HHE. 2018-11-12T11:16:04.66 0.6 undecidable manual S 161 68.4759 50 -0.01 51
GU.LSD.HHZ. 2018-11-12T11:16:04.64 0.6 undecidable manual P 355 121.7892 50 0.53 41
MN.BNI.HHZ. 2018-11-12T11:15:59.21 0.6 undecidable manual P 328 89.4438 50 0.08 49
FR.SAOF.HHZ.00 2018-11-12T11:15:58.72 0.6 undecidable manual S 152 47.619 50 -0.37 50
GU.GBOS.HHZ. 2018-11-12T11:15:58.52 0.6 undecidable manual S 107 46.9197 50 -0.39 49
GU.BURY.HHE. 2018-11-12T11:15:56.30 0.1 positive manual P 161 68.4759 50 0.4 95
GU.RRL.HHZ. 2018-11-12T11:15:56.45 0.3 undecidable manual P 328 72.4719 50 -0.06 76
GU.RORO.HHZ. 2018-11-12T11:15:56.10 0.1 positive manual P 114 68.8755 50 0.14 100
GU.GBOS.HHZ. 2018-11-12T11:15:52.70 0.3 undecidable manual P 107 46.9197 50 0.12 78
FR.SAOF.HHZ.00 2018-11-12T11:15:52.84 0.3 undecidable manual P 152 47.619 50 0.16 78
GU.STV.HHZ. 2018-11-12T11:15:49.75 0.3 undecidable manual S 163 13.9749 50 -0.36 79
GU.STV.HHZ. 2018-11-12T11:15:47.61 0.3 undecidable manual P 163 13.9749 50 0.12 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:0.0 0.004395 0.28 AML other m 2018-11-12T11:15:49.76
GU.STV.HHN. ML:0.0 0.004106664 0.16 AML other m 2018-11-12T11:15:49.82
GU.GBOS.HHN. ML:0.0 0.002406109 0.2816 AML other m 2018-11-12T11:15:59.03
GU.GBOS.HHE. ML:0.0 0.0020896854999999997 0.16 AML other m 2018-11-12T11:15:58.78
FR.SAOF.HHE.00 ML:0.0 0.001314222 0.224 AML other m 2018-11-12T11:15:58.91
FR.SAOF.HHN.00 ML:0.0 0.000823617 0.16 AML other m 2018-11-12T11:15:59.70
GU.RORO.HHN. ML:0.0 0.00056273785 0.1216 AML other m 2018-11-12T11:16:05.82
GU.RORO.HHE. ML:0.0 0.0008745061 0.16 AML other m 2018-11-12T11:16:06.21
GU.RRL.HHE. ML:0.0 0.00042001835 0.2176 AML other m 2018-11-12T11:16:06.69
GU.RRL.HHN. ML:0.0 0.0005021881499999999 0.3584 AML other m 2018-11-12T11:16:07.80
MN.BNI.HHN. ML:0.0 0.000101948345 0.2624 AML other m 2018-11-12T11:16:11.71
MN.BNI.HNE. ML:0.0 0.00010886509 0.256 AML other m 2018-11-12T11:16:11.57
MN.BNI.HHE. ML:0.0 0.00013754625 0.256 AML other m 2018-11-12T11:16:11.57
MN.BNI.HNN. ML:0.0 0.000083608935 0.3584 AML other m 2018-11-12T11:16:12.68
GU.LSD.HHN. ML:0.0 0.00014726240000000003 0.2816 AML other m 2018-11-12T11:16:20.59
GU.LSD.HHE. ML:0.0 0.0001862239 0.32 AML other m 2018-11-12T11:16:19.47
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
Waveforms Seismic signals in miniseed + resp format Download