Earthquake (quarry blast) with magnitude of ML 0.6 on date 11-12-2019 and time 10:58:58 (Italy) in region 2 km S Zuccarello (SV)

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

  • 11-12-2019 09:58:58 (UTC)
  • 11-12-2019 10:58:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1, 8.12 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
Zuccarello SV 2 309 309
Arnasco SV 2 645 954
Cisano sul Neva SV 3 2085 3039
Castelvecchio di Rocca Barbena SV 4 145 3184
Castelbianco SV 4 330 3514
Vendone SV 4 388 3902
Erli SV 5 245 4147
Ortovero SV 5 1586 5733
Balestrino SV 6 595 6328
Onzo SV 6 219 6547
Villanova d'Albenga SV 6 2657 9204
Garlenda SV 7 1254 10458
Nasino SV 7 207 10665
Toirano SV 8 2644 13309
Aquila d'Arroscia IM 9 166 13475
Casanova Lerrone SV 9 749 14224
Ranzo IM 9 557 14781
Alto CN 9 128 14909
Ceriale SV 9 5561 20470
Albenga SV 9 24213 44683
Boissano SV 9 2492 47175
Borghetto Santo Spirito SV 10 4948 52123
Alassio SV 11 10934 63057
Bardineto SV 11 756 63813
Borghetto d'Arroscia IM 12 456 64269
Stellanello SV 12 808 65077
Loano SV 12 11407 76484
Testico SV 12 196 76680
Caprauna CN 13 104 76784
Garessio CN 13 3244 80028
Vessalico IM 13 282 80310
Giustenice SV 14 977 81287
Laigueglia SV 14 1810 83097
Villa Faraldi IM 14 444 83541
Pietra Ligure SV 15 8992 92533
Cesio IM 15 283 92816
Magliolo SV 15 974 93790
Tovo San Giacomo SV 15 2582 96372
Andora SV 15 7552 103924
Calizzano SV 16 1475 105399
Armo IM 16 111 105510
Borgio Verezzi SV 17 2205 107715
Chiusanico IM 17 607 108322
Pieve di Teco IM 17 1338 109660
Caravonica IM 17 282 109942
Diano Arentino IM 17 722 110664
Ormea CN 17 1617 112281
Chiusavecchia IM 18 577 112858
Priola CN 18 701 113559
Diano San Pietro IM 19 1145 114704
San Bartolomeo al Mare IM 19 3129 117833
Lucinasco IM 19 272 118105
Rialto SV 19 564 118669
Calice Ligure SV 19 1730 120399
Cervo IM 19 1187 121586
Borgomaro IM 19 865 122451
Pontedassio IM 19 2323 124774
Diano Castello IM 19 2214 126988
Pornassio IM 20 685 127673
Finale Ligure SV 20 11711 139384
Aurigo IM 20 347 139731

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Savona (61345 inhabitants)
40 Km NE of Sanremo (54807 inhabitants)
56 Km SE of Cuneo (56081 inhabitants)
74 Km W of Genova (586655 inhabitants)
90 Km S of Asti (76202 inhabitants)
99 Km SW of Alessandria (93943 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 2019-12-11
09:58:58
44.1 8.12 1 2020-02-28
16:42:18
Bollettino Sismico Italiano INGV 75360121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-11 09:58:58 ± 0.21
Latitude 44.10 ± 0.01
Longitude 8.12 ± 0.02
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 75360121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1750
Semi-minor axis of confidence ellipse (meter) 870
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 1750
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 183
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 75360121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-23 07:53:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
FR.SAOF.HHE.00 2019-12-11T09:59:07.09 0.6 undecidable manual P 255 0.42 91 -0.39 45
IV.QLNO.HHE. 2019-12-11T09:59:04.15 0.3 undecidable manual P 36 0.2806 91 -0.24 72
GU.GBOS.HHZ. 2019-12-11T09:59:03.39 0.3 undecidable manual P 306 0.2464 91 -0.23 73
IV.IMI.HHZ. 2019-12-11T09:59:03.70 0.3 undecidable manual P 221 0.2455 91 0.09 75
GU.CANO.HHZ. 2019-12-11T09:59:01.44 0.1 undecidable manual P 38 0.1403 92 0.17 100
GU.RORO.HHZ. 2019-12-11T09:58:59.33 0.1 undecidable manual P 294 0.0396 96 0.29 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:0 0.0006024543 0.0576 AML other m 2019-12-11T09:59:00.10
GU.RORO.HHN. ML:0 0.0003818571 0.2432 AML other m 2019-12-11T09:59:00.08
GU.CANO.HHN. ML:0.6 4.313165E-5 1.4016 AML other m 2019-12-11T09:59:03.95
GU.CANO.HHE. ML:0.7 6.1108025E-5 0.8 AML other m 2019-12-11T09:59:03.54
GU.GBOS.HHE. ML:0.4 1.4831346E-5 0.8384 AML other m 2019-12-11T09:59:07.25
GU.GBOS.HHN. ML:0.2 1.00119885E-5 0.2624 AML other m 2019-12-11T09:59:07.25
IV.IMI.HHE. ML:0.9 4.3377695E-5 1.8432 AML other m 2019-12-11T09:59:07.87
IV.IMI.HHN. ML:0.5 2.1741575E-5 0.5568 AML other m 2019-12-11T09:59:07.99
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