Earthquake (quarry blast) with magnitude of ML 1.2 on date 06-07-2022 and time 08:54:27 (UTC) in region 1 km S Millesimo (SV)

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

  • 06-07-2022 08:54:27 (UTC)
  • 06-07-2022 10:54:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3550, 8.2100 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
Millesimo SV 1 3383 3383
Roccavignale SV 2 752 4135
Cosseria SV 3 1105 5240
Plodio SV 3 650 5890
Cengio SV 4 3563 9453
Murialdo SV 6 841 10294
Pallare SV 6 923 11217
Montezemolo CN 6 259 11476
Castelnuovo di Ceva CN 6 110 11586
Carcare SV 7 5587 17173
Cairo Montenotte SV 7 13269 30442
Saliceto CN 7 1323 31765
Osiglia SV 8 444 32209
Bormida SV 9 387 32596
Camerana CN 9 631 33227
Priero CN 10 529 33756
Mallare SV 10 1146 34902
Perlo CN 10 116 35018
Altare SV 11 2108 37126
Sale delle Langhe CN 11 486 37612
Sale San Giovanni CN 12 183 37795
Nucetto CN 12 430 38225
Gottasecca CN 12 148 38373
Massimino SV 13 113 38486
Dego SV 13 1985 40471
Paroldo CN 14 211 40682
Ceva CN 14 5782 46464
Monesiglio CN 14 645 47109
Bagnasco CN 15 1035 48144
Calizzano SV 15 1475 49619
Castelletto Uzzone CN 16 331 49950
Rialto SV 16 564 50514
Prunetto CN 16 451 50965
Mombarcaro CN 16 268 51233
Torresina CN 16 52 51285
Roascio CN 16 97 51382
Battifollo CN 16 219 51601
Piana Crixia SV 17 788 52389
Quiliano SV 17 7232 59621
Orco Feglino SV 18 890 60511
Calice Ligure SV 18 1730 62241
Scagnello CN 18 194 62435
Giusvalla SV 18 441 62876
Magliolo SV 18 974 63850
Igliano CN 19 74 63924
Vezzi Portio SV 19 809 64733
Gorzegno CN 19 304 65037
Mombasiglio CN 19 609 65646
Lisio CN 19 201 65847
Priola CN 19 701 66548
Bardineto SV 19 756 67304
San Benedetto Belbo CN 19 179 67483
Merana AL 20 189 67672
Castellino Tanaro CN 20 312 67984

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Savona (61345 inhabitants)
53 Km E of Cuneo (56081 inhabitants)
58 Km W of Genova (586655 inhabitants)
61 Km S of Asti (76202 inhabitants)
68 Km NE of Sanremo (54807 inhabitants)
70 Km SW of Alessandria (93943 inhabitants)
83 Km SE of Moncalieri (57294 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 1.2 2022-07-06
08:54:27
44.3553 8.2103 1 2023-01-31
19:03:55
Bollettino Sismico Italiano INGV 111482771
Reviewed
Rev100
ML 1.2 2022-07-06
08:54:27
44.3203 8.2793 10 2022-07-06
09:03:46
Sala Sismica INGV-Roma 106873781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-06 08:54:27 ± 0.12
Latitude 44.3553 ± 0.0072
Longitude 8.2103 ± 0.0101
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 111482771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1030
Semi-minor axis of confidence ellipse (meter) 440
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.10162
Epicentral distance of station farthest from the epicenter (degree) 0.42538
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 111482771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-04 16:02:03

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 106873781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-06 09:03:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HNZ. 2022-07-06T08:54:36.91 0.3 undecidable manual P 223 47.2194 91 -0.17 69
GU.PCP.HHZ. 2022-07-06T08:54:34.42 0.1 undecidable manual P 52 33.6441 91 0.06 97
GU.RORO.HHZ. 2022-07-06T08:54:33.60 0.1 undecidable manual P 203 29.2485 91 0.11 97
GU.CANO.HHZ. 2022-07-06T08:54:30.99 0.1 undecidable manual P 173 16.5723 92 0.05 100
IV.QLNO.HHZ. 2022-07-06T08:54:29.80 0.1 undecidable manual P 108 11.2776 93 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHE. ML:1.2 0.0002855 1.26 AML other m 2022-07-06T08:54:31.19
IV.QLNO.HHN. ML:1.1 0.00021200000000000003 0.9 AML other m 2022-07-06T08:54:31.85
GU.CANO.HHN. ML:1.1 0.000145 0.44 AML other m 2022-07-06T08:54:34.73
GU.CANO.HHE. ML:1.4 0.00026000000000000003 0.92 AML other m 2022-07-06T08:54:35.42
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