Earthquake (quarry blast) with magnitude of ML 1.2 on date 11-12-2019 and time 11:10:45 (UTC) in region 1 km SW Battifollo (CN)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 1 km SW Battifollo (CN), on

  • 11-12-2019 11:10:45 (UTC)
  • 11-12-2019 12:10:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.31, 8.01 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
Battifollo CN 1 219 219
Lisio CN 2 201 420
Scagnello CN 3 194 614
Bagnasco CN 3 1035 1649
Viola CN 4 391 2040
Nucetto CN 6 430 2470
Monasterolo Casotto CN 6 89 2559
Massimino SV 6 113 2672
Mombasiglio CN 7 609 3281
Perlo CN 7 116 3397
Priola CN 7 701 4098
Pamparato CN 8 302 4400
Ceva CN 9 5782 10182
Roburent CN 9 495 10677
Torre Mondovì CN 9 498 11175
Priero CN 10 529 11704
Lesegno CN 11 794 12498
San Michele Mondovì CN 11 2003 14501
Montaldo di Mondovì CN 11 557 15058
Castelnuovo di Ceva CN 11 110 15168
Sale delle Langhe CN 12 486 15654
Sale San Giovanni CN 12 183 15837
Roascio CN 12 97 15934
Calizzano SV 12 1475 17409
Murialdo SV 13 841 18250
Garessio CN 13 3244 21494
Castellino Tanaro CN 13 312 21806
Vicoforte CN 13 3136 24942
Montezemolo CN 13 259 25201
Niella Tanaro CN 13 1046 26247
Torresina CN 14 52 26299
Briaglia CN 14 318 26617
Paroldo CN 15 211 26828
Igliano CN 15 74 26902
Monastero di Vasco CN 15 1297 28199
Cigliè CN 15 190 28389
Rocca Cigliè CN 15 142 28531
Frabosa Soprana CN 16 759 29290
Marsaglia CN 16 245 29535
Osiglia SV 16 444 29979
Roccavignale SV 16 752 30731
Frabosa Sottana CN 16 1497 32228
Bardineto SV 17 756 32984
Camerana CN 17 631 33615
Mondovì CN 17 22484 56099
Bastia Mondovì CN 17 669 56768
Millesimo SV 17 3383 60151
Saliceto CN 17 1323 61474
Murazzano CN 18 834 62308
Cengio SV 18 3563 65871
Bormida SV 19 387 66258
Mombarcaro CN 19 268 66526
Monesiglio CN 19 645 67171
Ormea CN 19 1617 68788
Cosseria SV 20 1105 69893
Villanova Mondovì CN 20 5792 75685
Plodio SV 20 650 76335

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Cuneo (56081 inhabitants)
38 Km W of Savona (61345 inhabitants)
57 Km NE of Sanremo (54807 inhabitants)
67 Km S of Asti (76202 inhabitants)
75 Km W of Genova (586655 inhabitants)
81 Km SE of Moncalieri (57294 inhabitants)
83 Km SW of Alessandria (93943 inhabitants)
89 Km SE of Torino (890529 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
Rev 1000 ML 1.2 2019-12-11
11:10:45
44.31 8 1 2020-02-28
16:42:18
Bollettino Sismico Italiano INGV 75492661
Rev 100 ML 1.2 2019-12-11
11:10:46
44.28 8.04 7 2019-12-11
11:16:07
Sala Sismica INGV-Roma 74550861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-11 11:10:45 ± 0.18
Latitude 44.31 ± 0.01
Longitude 8.00 ± 0.01
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 75492661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1570
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 1570
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.1367
Epicentral distance of station farthest from the epicenter (degree) 0.6637
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 75492661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-23 07:56:47

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74550861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-11 11:16:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2019-12-11T11:11:00.20 0.3 undecidable manual P 287 0.6637 50 0.1 67
GU.STV.HHZ. 2019-12-11T11:10:56.51 0.1 undecidable manual P 263 0.4901 91 -0.35 88
FR.SAOF.HHZ.00 2019-12-11T11:10:55.71 0.3 undecidable manual P 225 0.4587 91 -0.46 65
GU.PCP.HHZ. 2019-12-11T11:10:55.64 0.3 undecidable manual P 59 0.4488 91 -0.31 67
GU.ENR.HHZ. 2019-12-11T11:10:55.39 0.1 undecidable manual P 259 0.4263 91 -0.06 95
IV.IMI.HHN. 2019-12-11T11:10:54.80 0.3 undecidable manual P 191 0.4083 91 -0.25 69
IV.QLNO.HHZ. 2019-12-11T11:10:51.66 0.1 undecidable manual P 87 0.2446 91 0.26 94
GU.RORO.HHZ. 2019-12-11T11:10:50.46 0.1 undecidable manual P 168 0.2041 91 -0.04 100
GU.CANO.HHZ. 2019-12-11T11:10:50.35 0.1 undecidable manual P 122 0.1961 91 0.02 100
GU.GBOS.HHZ. 2019-12-11T11:10:50.02 0.1 positive manual P 239 0.1367 92 1.01 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHN. ML:1 6.93E-5 1.26 AML other m 2019-12-11T11:10:53.89
GU.CANO.HHE. ML:1.2 0.000123 0.96 AML other m 2019-12-11T11:10:55.00
GU.ENR.HHE. ML:1.3 5.375E-5 1.2 AML other m 2019-12-11T11:10:56.13
GU.ENR.HHN. ML:1.4 7.34E-5 0.1 AML other m 2019-12-11T11:11:02.88
GU.PCP.HHN. ML:1.1 3.4245E-5 0.44 AML other m 2019-12-11T11:11:05.40
GU.PCP.HHE. ML:1 2.695E-5 0.48 AML other m 2019-12-11T11:11:08.73
GU.PZZ.HHE. ML:1.4 3.94E-5 0.42 AML other m 2019-12-11T11:11:11.37
GU.PZZ.HHN. ML:1.5 4.715E-5 0.42 AML other m 2019-12-11T11:11:13.66
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download