Earthquake (quarry blast) with magnitude of ML 0.8 on date 03-11-2022 and time 15:54:22 (Italy) in region Erli (SV)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: Erli (SV), on

  • 03-11-2022 14:54:22 (UTC)
  • 03-11-2022 15:54:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1380, 8.1040 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
Erli SV 0 245 245
Castelvecchio di Rocca Barbena SV 1 145 390
Zuccarello SV 3 309 699
Castelbianco SV 4 330 1029
Balestrino SV 6 595 1624
Cisano sul Neva SV 6 2085 3709
Arnasco SV 7 645 4354
Nasino SV 7 207 4561
Bardineto SV 7 756 5317
Vendone SV 7 388 5705
Toirano SV 8 2644 8349
Onzo SV 9 219 8568
Alto CN 9 128 8696
Garessio CN 9 3244 11940
Ortovero SV 9 1586 13526
Boissano SV 9 2492 16018
Aquila d'Arroscia IM 10 166 16184
Villanova d'Albenga SV 11 2657 18841
Calizzano SV 11 1475 20316
Ranzo IM 11 557 20873
Ceriale SV 11 5561 26434
Borghetto Santo Spirito SV 11 4948 31382
Garlenda SV 12 1254 32636
Giustenice SV 12 977 33613
Caprauna CN 12 104 33717
Loano SV 13 11407 45124
Casanova Lerrone SV 13 749 45873
Albenga SV 13 24213 70086
Borghetto d'Arroscia IM 13 456 70542
Magliolo SV 13 974 71516
Priola CN 14 701 72217
Tovo San Giacomo SV 14 2582 74799
Pietra Ligure SV 14 8992 83791
Vessalico IM 15 282 84073
Ormea CN 15 1617 85690
Alassio SV 15 10934 96624
Stellanello SV 16 808 97432
Testico SV 16 196 97628
Armo IM 16 111 97739
Borgio Verezzi SV 16 2205 99944
Rialto SV 17 564 100508
Calice Ligure SV 17 1730 102238
Cesio IM 18 283 102521
Osiglia SV 18 444 102965
Pieve di Teco IM 18 1338 104303
Massimino SV 18 113 104416
Laigueglia SV 19 1810 106226
Bormida SV 19 387 106613
Villa Faraldi IM 19 444 107057
Bagnasco CN 19 1035 108092
Finale Ligure SV 20 11711 119803
Caravonica IM 20 282 120085
Orco Feglino SV 20 890 120975
Pornassio IM 20 685 121660
Andora SV 20 7552 129212

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Savona (61345 inhabitants)
43 Km NE of Sanremo (54807 inhabitants)
52 Km SE of Cuneo (56081 inhabitants)
73 Km W of Genova (586655 inhabitants)
85 Km S of Asti (76202 inhabitants)
95 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 0.8 2022-11-03
14:54:22
44.1378 8.1043 1 2024-03-01
15:28:24
Bollettino Sismico Italiano INGV 117749901
Reviewed
Rev100
ML 0.8 2022-11-03
14:54:22
44.1293 8.1007 6 2022-11-03
14:59:56
Sala Sismica INGV-Roma 111448741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-03 14:54:22 ± 0.28
Latitude 44.1378 ± 0.0252
Longitude 8.1043 ± 0.0263
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 117749901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3300
Semi-minor axis of confidence ellipse (meter) 1260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 326
Circular confidence region, given by single value of horizontal uncertainty (meter) 3300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.51171
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 117749901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-26 15:07:41

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 111448741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-03 14:59:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2022-11-03T14:54:33.38 0.3 undecidable manual P 38 56.7987 91 -0.94 53
IV.QLNO.HHZ. 2022-11-03T14:54:28.64 0.3 undecidable manual P 43 28.2495 91 0.05 73
GU.GBOS.HHZ. 2022-11-03T14:54:27.98 0.1 undecidable manual P 299 23.9538 91 0.24 94
GU.MGRO.HHZ. 2022-11-03T14:54:27.81 0.1 undecidable manual P 246 25.8519 91 -0.31 93
GU.CANO.HHZ. 2022-11-03T14:54:25.98 0.1 undecidable manual P 54 13.0758 92 0.42 93
GU.RORO.HHZ. 2022-11-03T14:54:23.90 0.1 undecidable manual P 227 4.0959 97 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHN. ML:0.9 0.00011249999999999998 0.32 AML other m 2022-11-03T14:54:28.42
GU.CANO.HHE. ML:1.0 0.000131 0.48 AML other m 2022-11-03T14:54:28.73
GU.GBOS.HHN. ML:0.6 0.000023100000000000002 0.86 AML other m 2022-11-03T14:54:32.06
GU.MGRO.HHE. ML:0.8 0.000039649999999999995 0.92 AML other m 2022-11-03T14:54:32.30
GU.GBOS.HHE. ML:0.5 0.00002137 0.42 AML other m 2022-11-03T14:54:32.48
GU.MGRO.HHN. ML:1.0 0.00006125 0.9 AML other m 2022-11-03T14:54:32.93
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