Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.6 on date 27-01-2020 and time 14:40:04 (UTC) in region 2 km S Battifollo (CN)

A magnitude ML 0.6 (quarry blast) earthquake occured in region: 2 km S Battifollo (CN), on

  • 27-01-2020 14:40:04 (UTC)
  • 27-01-2020 15:40:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3040, 8.0150 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 2 1035 1254
Lisio CN 3 201 1455
Scagnello CN 4 194 1649
Viola CN 4 391 2040
Massimino SV 5 113 2153
Nucetto CN 5 430 2583
Perlo CN 6 116 2699
Priola CN 6 701 3400
Monasterolo Casotto CN 7 89 3489
Mombasiglio CN 8 609 4098
Pamparato CN 9 302 4400
Ceva CN 9 5782 10182
Roburent CN 10 495 10677
Priero CN 10 529 11206
Torre Mondovì CN 11 498 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
Sale San Giovanni CN 12 183 16269
Murialdo SV 12 841 17110
Sale delle Langhe CN 12 486 17596
Garessio CN 12 3244 20840
Montaldo di Mondovì CN 12 557 21397
Roascio CN 13 97 21494
Montezemolo CN 13 259 21753
Castellino Tanaro CN 14 312 22065
Vicoforte CN 14 3136 25201
Torresina CN 14 52 25253
Niella Tanaro CN 14 1046 26299
Briaglia CN 15 318 26617
Paroldo CN 15 211 26828
Osiglia SV 15 444 27272
Bardineto SV 15 756 28028
Roccavignale SV 16 752 28780
Igliano CN 16 74 28854
Monastero di Vasco CN 16 1297 30151
Cigliè CN 16 190 30341
Rocca Cigliè CN 16 142 30483
Frabosa Soprana CN 17 759 31242
Camerana CN 17 631 31873
Millesimo SV 17 3383 35256
Marsaglia CN 17 245 35501
Frabosa Sottana CN 17 1497 36998
Saliceto CN 17 1323 38321
Bormida SV 18 387 38708
Bastia Mondovì CN 18 669 39377
Mondovì CN 18 22484 61861
Cengio SV 18 3563 65424
Murazzano CN 19 834 66258
Cosseria SV 19 1105 67363
Ormea CN 19 1617 68980
Mombarcaro CN 19 268 69248
Plodio SV 19 650 69898
Monesiglio CN 20 645 70543
Erli SV 20 245 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 0.6 2020-01-27
14:40:04		 44.3043 8.0153 1 2020-07-18
21:08:23		 Bollettino Sismico Italiano INGV 77051791
Reviewed
Rev100 		ML 0.5 2020-01-27
14:40:04		 44.2702 8.0348 7 2020-01-27
14:50:40		 Sala Sismica INGV-Roma 75912831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-27 14:40:04 ± 0.19
Latitude 44.3043 ± 0.0162
Longitude 8.0153 ± 0.0113
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 77051791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1770
Semi-minor axis of confidence ellipse (meter) 880
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 1770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49643
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 77051791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-05 16:42:25

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 75912831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-27 14:50:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2020-01-27T14:41:59.28 3.0 undecidable manual Sn -0.78 0
IV.SALB.HHZ. 2020-01-27T14:41:55.28 3.0 negative manual Pn -1.16 0
IV.MTMR.HNZ. 2020-01-27T14:41:52.13 3.0 undecidable manual Pg 15.63 0
IT.VNF1.HGZ. 2020-01-27T14:41:44.33 3.0 negative manual Pg 20.370001 0
IV.VENL.HNZ. 2020-01-27T14:41:39.25 3.0 undecidable manual Sn 1.74 0
IV.LPEL.HHZ. 2020-01-27T14:41:37.68 3.0 positive manual Pg 16.67 0
IT.PLTA.HNZ. 2020-01-27T14:41:28.02 3.0 undecidable manual Pn 0.49 0
IV.FIR.HHZ. 2020-01-27T14:41:17.73 3.0 undecidable manual Sn 1.74 0
IV.CSNT.HHZ. 2020-01-27T14:41:16.34 3.0 undecidable manual Sn -2.5 0
SI.KOSI.HHZ. 2020-01-27T14:41:00.45 3.0 positive manual Pn 5.23 0
IV.CRND.HNZ. 2020-01-27T14:40:58.90 3.0 negative manual Pn 3.37 0
IT.UMBT.HGZ. 2020-01-27T14:40:58.62 3.0 negative manual Pn 1.79 0
IV.PLMA.HHZ. 2020-01-27T14:40:52.35 3.0 undecidable manual S 2.01 0
GU.GSCL.HHZ. 2020-01-27T14:40:40.67 3.0 undecidable manual Pg 3.78 0
IV.EUCT.HNZ. 2020-01-27T14:40:26.66 3.0 positive manual P -1.03 0
GU.STV.HHZ. 2020-01-27T14:40:15.40 0.3 undecidable manual P 263 55.1004 91 0.01 71
FR.SAOF.HHE.00 2020-01-27T14:40:14.04 0.3 undecidable manual P 226 51.0156 91 -0.52 64
GU.PCP.HHZ. 2020-01-27T14:40:14.02 0.3 undecidable manual P 58 49.5171 91 -0.25 69
GU.ENR.HHZ. 2020-01-27T14:40:13.65 0.3 undecidable manual P 260 48.0186 91 -0.32 68
IV.QLNO.HHZ. 2020-01-27T14:40:09.80 0.1 undecidable manual P 85 26.3514 91 0.18 97
GU.RORO.HHZ. 2020-01-27T14:40:08.59 0.1 undecidable manual P 169 21.6672 91 -0.1 99
GU.CANO.HHZ. 2020-01-27T14:40:08.55 0.1 undecidable manual P 121 20.6682 91 0.07 100
GU.GBOS.HHZ. 2020-01-27T14:40:08.15 0.1 undecidable manual P 244 15.5733 92 0.68 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHN. ML:0.3 0.000024275187000000002 0.1216 AML other m 2020-01-27T14:40:10.86
GU.RORO.HHN. ML:0.6 0.0000322851615 0.5376 AML other m 2020-01-27T14:40:11.62
GU.CANO.HHN. ML:0.5 0.000026464435000000003 0.1408 AML other m 2020-01-27T14:40:11.66
GU.CANO.HHE. ML:1.1 0.00010666678 0.6176 AML other m 2020-01-27T14:40:12.61
GU.GBOS.HHE. ML:0.3 0.000024380149999999997 1.3792 AML other m 2020-01-27T14:40:13.22
IV.QLNO.HHN. ML:0.5 0.000017620120000000002 0.224 AML other m 2020-01-27T14:40:13.93
GU.ENR.HHE. ML:1.0 0.000029278459999999998 0.0576 AML other m 2020-01-27T14:40:21.50
GU.ENR.HHN. ML:1.1 0.000033191040000000004 0.064 AML other m 2020-01-27T14:40:21.66
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