Earthquake (quarry blast) with magnitude of ML 0.7 on date 22-12-2022 and time 11:14:09 (UTC) in region 1 km SE Battifollo (CN)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 1 km SE Battifollo (CN), on

  • 22-12-2022 11:14:09 (UTC)
  • 22-12-2022 12:14:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3110, 8.0160 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
Battifollo CN 1 219 219
Bagnasco CN 2 1035 1254
Lisio CN 3 201 1455
Scagnello CN 3 194 1649
Viola CN 4 391 2040
Massimino SV 5 113 2153
Nucetto CN 5 430 2583
Perlo CN 6 116 2699
Monasterolo Casotto CN 6 89 2788
Mombasiglio CN 7 609 3397
Priola CN 7 701 4098
Ceva CN 9 5782 9880
Pamparato CN 9 302 10182
Priero CN 10 529 10711
Roburent CN 10 495 11206
Torre Mondovì CN 10 498 11704
Castelnuovo di Ceva CN 10 110 11814
Lesegno CN 11 794 12608
Sale delle Langhe CN 11 486 13094
San Michele Mondovì CN 11 2003 15097
Sale San Giovanni CN 11 183 15280
Calizzano SV 12 1475 16755
Murialdo SV 12 841 17596
Roascio CN 12 97 17693
Montaldo di Mondovì CN 12 557 18250
Montezemolo CN 13 259 18509
Garessio CN 13 3244 21753
Castellino Tanaro CN 13 312 22065
Torresina CN 14 52 22117
Niella Tanaro CN 14 1046 23163
Vicoforte CN 14 3136 26299
Paroldo CN 14 211 26510
Briaglia CN 15 318 26828
Igliano CN 15 74 26902
Osiglia SV 15 444 27346
Roccavignale SV 15 752 28098
Monastero di Vasco CN 16 1297 29395
Cigliè CN 16 190 29585
Rocca Cigliè CN 16 142 29727
Camerana CN 16 631 30358
Bardineto SV 16 756 31114
Marsaglia CN 16 245 31359
Millesimo SV 16 3383 34742
Saliceto CN 17 1323 36065
Frabosa Soprana CN 17 759 36824
Frabosa Sottana CN 17 1497 38321
Bastia Mondovì CN 18 669 38990
Cengio SV 18 3563 42553
Bormida SV 18 387 42940
Mondovì CN 18 22484 65424
Murazzano CN 18 834 66258
Mombarcaro CN 18 268 66526
Cosseria SV 19 1105 67631
Plodio SV 19 650 68281
Monesiglio CN 19 645 68926
Ormea CN 20 1617 70543

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)
67 Km S of Asti (76202 inhabitants)
74 Km W of Genova (586655 inhabitants)
81 Km SE of Moncalieri (57294 inhabitants)
82 Km SW of Alessandria (93943 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 0.7 2022-12-22
11:14:09
44.311 8.0158 1 2024-03-01
15:28:26
Bollettino Sismico Italiano INGV 118337081
Reviewed
Rev100
ML 0.7 2022-12-22
11:14:09
44.2787 8.0322 8 2022-12-22
11:32:36
Sala Sismica INGV-Roma 113020331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-22 11:14:09 ± 0.23
Latitude 44.3110 ± 0.0171
Longitude 8.0158 ± 0.0151
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 118337081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1950
Semi-minor axis of confidence ellipse (meter) 1020
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 1950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.14389
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 118337081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-12 12:32:09

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113020331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-22 11:32:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2022-12-22T11:14:19.15 0.3 undecidable manual P 58 49.1175 91 -0.27 68
GU.ENR.HHZ. 2022-12-22T11:14:18.78 0.3 undecidable manual P 259 48.3183 91 -0.48 65
GU.MGRO.HHZ. 2022-12-22T11:14:16.23 0.1 undecidable manual P 209 34.0437 91 -0.17 95
IV.QLNO.HHZ. 2022-12-22T11:14:15.09 0.1 positive manual P 87 26.2515 91 0.26 95
GU.CANO.HHZ. 2022-12-22T11:14:13.82 0.1 undecidable manual P 123 20.9679 91 0.04 100
GU.GBOS.HHZ. 2022-12-22T11:14:13.39 0.1 undecidable manual P 241 15.9729 92 0.62 87
GU.RORO.HHZ. 2022-12-22T11:14:13.89 0.1 positive manual P 170 22.3554 91 -0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHN. ML:0.8 0.00006550116 0.1792 AML other m 2022-12-22T11:14:15.68
GU.CANO.HHE. ML:1.0 0.000089610065 1.1392 AML other m 2022-12-22T11:14:16.39
GU.CANO.HHN. ML:0.6 0.000034417674499999994 0.2176 AML other m 2022-12-22T11:14:16.33
GU.GBOS.HHE. ML:0.4 0.000029389643500000003 0.1792 AML other m 2022-12-22T11:14:16.51
GU.RORO.HHN. ML:0.7 0.000037098635 0.1792 AML other m 2022-12-22T11:14:16.65
GU.RORO.HHE. ML:0.7 0.000033683819499999994 0.1408 AML other m 2022-12-22T11:14:17.12
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