Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-01-2020 and time 19:17:56 (Italy) in region 5 km NW Demonte (CN)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Demonte (CN), on

  • 12-01-2020 18:17:56 (UTC)
  • 12-01-2020 19:17:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3470, 7.2590 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
Aisone CN 5 248 248
Demonte CN 5 2003 2251
Castelmagno CN 8 66 2317
Vinadio CN 8 644 2961
Pradleves CN 8 250 3211
Monterosso Grana CN 9 505 3716
Valloriate CN 9 109 3825
Moiola CN 11 234 4059
Rittana CN 11 109 4168
Gaiola CN 12 582 4750
Valgrana CN 12 786 5536
Valdieri CN 13 935 6471
Montemale di Cuneo CN 14 241 6712
Sambuco CN 14 92 6804
Roccasparvera CN 15 741 7545
Cartignano CN 15 190 7735
Bernezzo CN 15 4104 11839
Caraglio CN 16 6836 18675
Dronero CN 16 7035 25710
San Damiano Macra CN 16 430 26140
Roccabruna CN 16 1585 27725
Entracque CN 16 774 28499
Celle di Macra CN 16 100 28599
Vignolo CN 17 2600 31199
Cervasca CN 17 5013 36212
Roaschia CN 18 107 36319
Marmora CN 18 68 36387
Villar San Costanzo CN 18 1547 37934
Pietraporzio CN 18 77 38011
Roccavione CN 18 2761 40772
Macra CN 18 59 40831
Borgo San Dalmazzo CN 18 12468 53299
Canosio CN 19 80 53379

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Cuneo (56081 inhabitants)
72 Km NW of Sanremo (54807 inhabitants)
80 Km SW of Moncalieri (57294 inhabitants)
88 Km SW of Torino (890529 inhabitants)
97 Km SW of Asti (76202 inhabitants)
97 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 1.4 2020-01-12
18:17:56		 44.3472 7.2592 11 2020-07-18
21:08:32		 Bollettino Sismico Italiano INGV 78057681
Reviewed
Rev100 		ML 1.5 2020-01-12
18:17:57		 44.336 7.2555 10 2020-01-12
18:31:41		 Sala Sismica INGV-Roma 75497341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-12 18:17:56 ± 0.22
Latitude 44.3472 ± 0.0108
Longitude 7.2592 ± 0.0226
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 78057681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2119
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 2120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93799
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 75497341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-12 18:31:41

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 78057681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-09 22:04:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHE. 2020-01-12T18:18:19.41 0.6 undecidable manual S 330 73.5708 50 0.32 43
RD.ORIF.BHE. 2020-01-12T18:18:18.26 3.0 undecidable manual P 0.16 0
GU.RORO.HHZ. 2020-01-12T18:18:18.15 0.3 undecidable manual S 112 69.2751 50 0.23 67
IV.IMI.HHZ. 2020-01-12T18:18:17.99 0.3 undecidable manual S 134 69.9744 50 -0.12 68
GU.BURY.HHE. 2020-01-12T18:18:16.90 0.3 undecidable manual S 159 66.9774 50 -0.42 64
GU.PCP.HHZ. 2020-01-12T18:18:15.30 0.3 undecidable manual P 78 104.118 50 0.87 51
GU.ROTM.HHE. 2020-01-12T18:18:14.95 3.0 undecidable manual P 0.35 0
IV.MONC.HHE. 2020-01-12T18:18:13.61 3.0 undecidable manual P -0.04 0
GU.BHB.HHZ. 2020-01-12T18:18:12.87 0.3 undecidable manual S 0 54.1014 50 -1.03 52
GU.CANO.HHE. 2020-01-12T18:18:11.09 3.0 undecidable manual P 0.25 0
FR.SAOF.HHZ.00 2020-01-12T18:18:11.41 0.3 undecidable manual S 150 46.4202 50 -0.42 67
GU.RSP.HHE. 2020-01-12T18:18:11.37 0.3 undecidable manual P 0 88.8444 50 -0.71 56
GU.RRL.HHE. 2020-01-12T18:18:10.37 0.3 undecidable manual P 330 73.5708 50 0.64 59
GU.RORO.HHZ. 2020-01-12T18:18:09.49 0.3 undecidable manual P 112 69.2751 50 0.44 64
IV.IMI.HHZ. 2020-01-12T18:18:09.56 0.1 undecidable manual P 134 69.9744 50 0.4 86
GU.BURY.HHE. 2020-01-12T18:18:08.56 0.3 undecidable manual P 159 66.9774 50 -0.14 68
GU.BHB.HHZ. 2020-01-12T18:18:06.54 0.3 undecidable manual P 0 54.1014 50 -0.19 69
FR.SAOF.HHZ.00 2020-01-12T18:18:05.84 0.1 undecidable manual P 150 46.4202 50 0.32 91
GU.PZZ.HHZ. 2020-01-12T18:18:04.79 0.3 undecidable manual S 327 21.0678 50 -0.27 72
GU.ENR.HHZ. 2020-01-12T18:18:03.75 0.3 undecidable manual S 136 18.4704 120 -0.62 66
GU.ENR.HHZ. 2020-01-12T18:18:01.33 0.1 undecidable manual P 136 18.4704 120 0.1 100
GU.PZZ.HHZ. 2020-01-12T18:18:01.93 0.1 undecidable manual P 327 21.0678 50 0.31 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.ENR.HHN. ML:1.6 0.00030922744999999996 0.064 AML other m 2020-01-12T18:18:04.75
GU.ENR.HHE. ML:1.7 0.00036297619999999995 0.0384 AML other m 2020-01-12T18:18:04.35
GU.PZZ.HHN. ML:1.7 0.00031610055 0.1152 AML other m 2020-01-12T18:18:05.80
GU.PZZ.HHE. ML:1.7 0.00036920425 0.1664 AML other m 2020-01-12T18:18:06.00
GU.BHB.HHE. ML:0.9 0.000017881736000000004 0.1792 AML other m 2020-01-12T18:18:16.42
GU.BHB.HHN. ML:1.0 0.0000249744137 0.1152 AML other m 2020-01-12T18:18:14.94
GU.RORO.HHE. ML:1.8 0.00010085525500000001 0.8832 AML other m 2020-01-12T18:18:20.81
GU.RORO.HHN. ML:1.2 0.00002429652 0.0896 AML other m 2020-01-12T18:18:20.04
IV.IMI.HHN. ML:1.3 0.000036078075 0.2048 AML other m 2020-01-12T18:18:19.03
IV.IMI.HHE. ML:1.1 0.000020317655 0.128 AML other m 2020-01-12T18:18:19.03
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