Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.9 on date 18-10-2019 and time 16:13:07 (Italy) in region 2 km S Battifollo (CN)

A magnitude ML 0.9 (quarry blast) earthquake occured in region: 2 km S Battifollo (CN), on

  • 18-10-2019 14:13:07 (UTC)
  • 18-10-2019 16:13:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3040, 8.0130 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.

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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
Battifollo CN 2 219 219
Bagnasco CN 3 1035 1254
Lisio CN 3 201 1455
Viola CN 4 391 1846
Scagnello CN 4 194 2040
Massimino SV 5 113 2153
Nucetto CN 6 430 2583
Priola CN 6 701 3284
Monasterolo Casotto CN 6 89 3373
Perlo CN 7 116 3489
Mombasiglio CN 8 609 4098
Pamparato CN 8 302 4400
Ceva CN 10 5782 10182
Roburent CN 10 495 10677
Torre Mondovì CN 10 498 11175
Priero CN 10 529 11704
Castelnuovo di Ceva CN 11 110 11814
Calizzano SV 11 1475 13289
Lesegno CN 12 794 14083
San Michele Mondovì CN 12 2003 16086
Montaldo di Mondovì CN 12 557 16643
Garessio CN 12 3244 19887
Sale delle Langhe CN 12 486 20373
Sale San Giovanni CN 12 183 20556
Murialdo SV 12 841 21397
Roascio CN 13 97 21494
Montezemolo CN 13 259 21753
Castellino Tanaro CN 14 312 22065
Vicoforte CN 14 3136 25201
Niella Tanaro CN 14 1046 26247
Torresina CN 15 52 26299
Briaglia CN 15 318 26617
Paroldo CN 15 211 26828
Osiglia SV 15 444 27272
Bardineto SV 16 756 28028
Monastero di Vasco CN 16 1297 29325
Igliano CN 16 74 29399
Roccavignale SV 16 752 30151
Cigliè CN 16 190 30341
Frabosa Soprana CN 16 759 31100
Rocca Cigliè CN 17 142 31242
Camerana CN 17 631 31873
Marsaglia CN 17 245 32118
Millesimo SV 17 3383 35501
Frabosa Sottana CN 17 1497 36998
Saliceto CN 17 1323 38321
Bormida SV 18 387 38708
Mondovì CN 18 22484 61192
Bastia Mondovì CN 18 669 61861
Cengio SV 18 3563 65424
Ormea CN 19 1617 67041
Murazzano CN 19 834 67875
Cosseria SV 19 1105 68980
Mombarcaro CN 19 268 69248
Plodio SV 19 650 69898
Erli SV 20 245 70143
Monesiglio CN 20 645 70788

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Savona (61345 inhabitants)
38 Km E of Cuneo (56081 inhabitants)
57 Km NE of Sanremo (54807 inhabitants)
68 Km S of Asti (76202 inhabitants)
74 Km W of Genova (586655 inhabitants)
82 Km SE of Moncalieri (57294 inhabitants)
83 Km SW of Alessandria (93943 inhabitants)
90 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
Bulletin
Rev1000 		ML 0.9 2019-10-18
14:13:07		 44.3035 8.0127 1 2020-02-28
16:42:13		 Bollettino Sismico Italiano INGV 74580361
Reviewed
Rev100 		ML 0.9 2019-10-18
14:13:07		 44.2737 8.0357 9 2019-10-18
16:03:03		 Sala Sismica INGV-Roma 73327601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-18 14:13:07 ± 0.13
Latitude 44.3035 ± 0.0099
Longitude 8.0127 ± 0.0088
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 74580361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1110
Semi-minor axis of confidence ellipse (meter) 730
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) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 11
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) 0.75273
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 74580361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-12 13:57:47

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 73327601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-18 16:03:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.COR1.EHZ. 2019-10-18T14:15:01.93 3.0 undecidable manual Sg 8.6 0
IV.PIEI.HHZ. 2019-10-18T14:14:45.45 3.0 undecidable manual Sn -0.31 0
IV.FIR.HHZ. 2019-10-18T14:14:24.14 3.0 undecidable manual Sg 1.82 0
IV.ASSB.HHZ. 2019-10-18T14:14:15.03 3.0 positive manual Pg 8.28 0
GU.CARD.HHZ. 2019-10-18T14:14:03.49 3.0 undecidable manual Sn -4.27 0
IV.MBAL.EHZ. 2019-10-18T14:13:52.89 3.0 undecidable manual Pg 1.43 0
IV.FIR.HHZ. 2019-10-18T14:13:49.43 3.0 undecidable manual Pn -0.91 0
IV.OSSC.HHZ. 2019-10-18T14:13:47.45 3.0 undecidable manual Pn -3.72 0
IV.CADC.HNZ. 2019-10-18T14:13:46.23 3.0 undecidable manual Pg 2.43 0
GU.GORR.HHZ. 2019-10-18T14:13:41.75 3.0 undecidable manual S -5.2 0
GU.CARD.HHZ. 2019-10-18T14:13:39.63 3.0 positive manual Pn -2.53 0
GU.BHB.HHE. 2019-10-18T14:13:22.76 0.3 undecidable manual P 315 83.5497 50 0.09 66
GU.PZZ.HHE. 2019-10-18T14:13:21.34 0.3 undecidable manual P 288 74.5698 50 0.06 67
GU.STV.HHZ. 2019-10-18T14:13:17.91 0.3 undecidable manual P 264 54.9006 91 -0.11 69
FR.SAOF.HHE.00 2019-10-18T14:13:16.78 0.3 undecidable manual P 226 50.8158 91 -0.41 65
GU.ENR.HHZ. 2019-10-18T14:13:16.28 0.1 undecidable manual P 260 47.8188 91 -0.32 90
GU.PCP.HHZ. 2019-10-18T14:13:16.69 0.1 undecidable manual P 58 49.7169 91 -0.29 90
IV.IMI.HHE. 2019-10-18T14:13:15.71 0.3 undecidable manual P 192 44.622 91 -0.25 69
IV.QLNO.HHZ. 2019-10-18T14:13:12.57 0.1 undecidable manual P 85 26.5512 91 0.23 95
GU.CANO.HHZ. 2019-10-18T14:13:11.25 0.1 undecidable manual P 121 20.7681 91 0.07 99
GU.RORO.HHZ. 2019-10-18T14:13:11.36 0.1 undecidable manual P 169 21.6672 91 0 100
GU.GBOS.HHZ. 2019-10-18T14:13:10.90 0.1 undecidable manual P 243 15.3735 92 0.81 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHN. ML:0.7 0.000061995975 0.2176 AML other m 2019-10-18T14:13:13.31
GU.GBOS.HHE. ML:0.4 0.00003162785 0.16 AML other m 2019-10-18T14:13:13.58
GU.CANO.HHE. ML:1.2 0.00012275920000000002 0.1216 AML other m 2019-10-18T14:13:13.98
GU.RORO.HHN. ML:1.0 0.000079808795 0.0832 AML other m 2019-10-18T14:13:14.11
GU.CANO.HHN. ML:1.0 0.000081515615 0.2368 AML other m 2019-10-18T14:13:14.56
IV.QLNO.HHE. ML:0.5 0.000021704315 0.1152 AML other m 2019-10-18T14:13:16.28
IV.QLNO.HHN. ML:0.9 0.000046108819999999996 0.1152 AML other m 2019-10-18T14:13:16.52
GU.ENR.HHN. ML:1.2 0.00004585 1.12 AML other m 2019-10-18T14:13:24.36
GU.ENR.HHE. ML:1.0 0.000032149999999999995 0.6 AML other m 2019-10-18T14:13:24.60
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