Earthquake (quarry blast) with magnitude of ML 1.2 on date 05-12-2018 and time 10:32:22 (Italy) in region 1 km W Roccavignale (SV)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 1 km W Roccavignale (SV), on

  • 05-12-2018 09:32:22 (UTC)
  • 05-12-2018 10:32:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3610, 8.1870 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
Roccavignale SV 1 752 752
Millesimo SV 2 3383 4135
Cengio SV 4 3563 7698
Cosseria SV 4 1105 8803
Montezemolo CN 4 259 9062
Castelnuovo di Ceva CN 5 110 9172
Plodio SV 5 650 9822
Murialdo SV 5 841 10663
Saliceto CN 6 1323 11986
Priero CN 8 529 12515
Camerana CN 8 631 13146
Pallare SV 8 923 14069
Cairo Montenotte SV 8 13269 27338
Carcare SV 8 5587 32925
Perlo CN 9 116 33041
Osiglia SV 9 444 33485
Sale delle Langhe CN 9 486 33971
Sale San Giovanni CN 10 183 34154
Bormida SV 10 387 34541
Nucetto CN 10 430 34971
Massimino SV 11 113 35084
Gottasecca CN 11 148 35232
Mallare SV 12 1146 36378
Paroldo CN 12 211 36589
Ceva CN 12 5782 42371
Altare SV 13 2108 44479
Monesiglio CN 13 645 45124
Bagnasco CN 13 1035 46159
Dego SV 14 1985 48144
Torresina CN 14 52 48196
Mombarcaro CN 14 268 48464
Roascio CN 15 97 48561
Castelletto Uzzone CN 15 331 48892
Prunetto CN 15 451 49343
Battifollo CN 15 219 49562
Calizzano SV 15 1475 51037
Scagnello CN 16 194 51231
Igliano CN 17 74 51305
Piana Crixia SV 17 788 52093
Mombasiglio CN 17 609 52702
Rialto SV 17 564 53266
Gorzegno CN 17 304 53570
Lisio CN 18 201 53771
San Benedetto Belbo CN 18 179 53950
Castellino Tanaro CN 18 312 54262
Lesegno CN 18 794 55056
Priola CN 18 701 55757
Murazzano CN 18 834 56591
Niella Belbo CN 19 372 56963
Viola CN 19 391 57354
Marsaglia CN 19 245 57599
Bardineto SV 19 756 58355
Giusvalla SV 19 441 58796
Orco Feglino SV 19 890 59686
Calice Ligure SV 19 1730 61416
Magliolo SV 19 974 62390
Quiliano SV 19 7232 69622
Merana AL 20 189 69811
Monasterolo Casotto CN 20 89 69900
Pezzolo Valle Uzzone CN 20 344 70244
Levice CN 20 231 70475

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Savona (61345 inhabitants)
51 Km E of Cuneo (56081 inhabitants)
60 Km W of Genova (586655 inhabitants)
60 Km S of Asti (76202 inhabitants)
68 Km NE of Sanremo (54807 inhabitants)
70 Km SW of Alessandria (93943 inhabitants)
82 Km SE of Moncalieri (57294 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
Bulletin
Rev1000
ML 1.2 2018-12-05
09:32:22
44.3612 8.1872 1 2019-06-04
09:16:13
Bollettino Sismico Italiano INGV 67745121
Reviewed
Rev100
ML 1.2 2018-12-05
09:32:22
44.3278 8.2202 11 2018-12-05
09:39:11
Sala Sismica INGV-Roma 63665671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-05 09:32:22 ± 0.19
Latitude 44.3612 ± 0.0126
Longitude 8.1872 ± 0.0126
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 67745121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1520
Semi-minor axis of confidence ellipse (meter) 880
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 332
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 67745121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-19 14:17:05

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 63665671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-05 09:39:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRTR.HHZ. 2018-12-05T09:34:08.39 3.0 undecidable manual Sg -8.34 0
IV.PIPA.HHZ. 2018-12-05T09:34:08.94 3.0 undecidable manual Pn -7.15 0
IV.GUMA.HHZ. 2018-12-05T09:34:04.79 3.0 undecidable manual Sg -0.01 0
IV.CAGR.HHZ. 2018-12-05T09:34:03.91 3.0 undecidable manual Pn -9.99 0
IV.SALB.HHZ. 2018-12-05T09:33:58.75 3.0 positive manual Pn -9.99 0
IV.TERO.HHZ. 2018-12-05T09:33:57.49 3.0 undecidable manual Sn -9.99 0
IV.MNTP.HNZ. 2018-12-05T09:33:55.74 3.0 undecidable manual Sn -9.99 0
IV.PAOL.HHZ. 2018-12-05T09:33:50.46 3.0 undecidable manual Pg 6.18 0
CR.STON.BHZ. 2018-12-05T09:33:49.52 3.0 negative manual Pn -9.99 0
IV.MRB1.HHZ. 2018-12-05T09:33:37.73 3.0 undecidable manual Pn -9.19 0
GU.TRAV.HHZ. 2018-12-05T09:33:07.85 3.0 undecidable manual Sn -0.14 0
IV.MF5.EHZ. 2018-12-05T09:33:06.83 3.0 undecidable manual Pn -9.99 0
GU.TRAV.HHZ. 2018-12-05T09:32:49.07 3.0 undecidable manual Pg 1.31 0
IV.CELB.HHZ. 2018-12-05T09:32:41.86 3.0 positive manual Pn -9.99 0
GU.PCP.HHZ. 2018-12-05T09:32:29.02 0.3 undecidable manual P 55 34.6431 91 -0.19 70
GU.GBOS.HHZ. 2018-12-05T09:32:28.55 0.1 undecidable manual P 244 30.5472 91 0.17 95
GU.RORO.HHZ. 2018-12-05T09:32:27.80 0.3 undecidable manual P 199 29.2485 91 -0.31 69
GU.CANO.HHZ. 2018-12-05T09:32:25.77 0.1 positive manual P 167 17.4714 92 0.01 100
IV.QLNO.HHZ. 2018-12-05T09:32:25.10 0.1 positive manual P 108 13.2756 92 0.19 97
IV.MSSA.HHZ. 2018-12-05T09:32:23.46 3.0 undecidable manual P -9.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHN. ML:1.5 0.00028349999999999995 0.14 AML other m 2018-12-05T09:32:28.58
IV.QLNO.HHN. ML:1.0 0.00014150000000000002 0.96 AML other m 2018-12-05T09:32:28.83
IV.QLNO.HHE. ML:0.8 0.00008935 0.7 AML other m 2018-12-05T09:32:29.44
GU.CANO.HHE. ML:1.4 0.0002465 1.06 AML other m 2018-12-05T09:32:30.22
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