Earthquake (quarry blast) with magnitude of ML 1.0 on date 18-09-2018 and time 08:44:30 (Italy) in region 1 km E Battifollo (CN)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 1 km E Battifollo (CN), on

  • 18-09-2018 06:44:30 (UTC)
  • 18-09-2018 08:44:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.32, 8.02 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
Scagnello CN 3 194 413
Bagnasco CN 3 1035 1448
Lisio CN 3 201 1649
Nucetto CN 4 430 2079
Massimino SV 5 113 2192
Viola CN 5 391 2583
Perlo CN 6 116 2699
Monasterolo Casotto CN 6 89 2788
Mombasiglio CN 6 609 3397
Ceva CN 8 5782 9179
Priola CN 8 701 9880
Priero CN 9 529 10409
Pamparato CN 10 302 10711
Castelnuovo di Ceva CN 10 110 10821
Torre Mondovì CN 10 498 11319
Lesegno CN 10 794 12113
Sale delle Langhe CN 10 486 12599
Sale San Giovanni CN 10 183 12782
Roburent CN 10 495 13277
San Michele Mondovì CN 11 2003 15280
Roascio CN 11 97 15377
Murialdo SV 11 841 16218
Montezemolo CN 12 259 16477
Montaldo di Mondovì CN 12 557 17034
Calizzano SV 12 1475 18509
Castellino Tanaro CN 12 312 18821
Torresina CN 13 52 18873
Niella Tanaro CN 13 1046 19919
Paroldo CN 13 211 20130
Vicoforte CN 14 3136 23266
Garessio CN 14 3244 26510
Igliano CN 14 74 26584
Briaglia CN 14 318 26902
Roccavignale SV 15 752 27654
Cigliè CN 15 190 27844
Rocca Cigliè CN 15 142 27986
Marsaglia CN 15 245 28231
Camerana CN 15 631 28862
Osiglia SV 15 444 29306
Monastero di Vasco CN 16 1297 30603
Millesimo SV 16 3383 33986
Saliceto CN 16 1323 35309
Bardineto SV 17 756 36065
Bastia Mondovì CN 17 669 36734
Cengio SV 17 3563 40297
Frabosa Soprana CN 17 759 41056
Murazzano CN 17 834 41890
Mombarcaro CN 17 268 42158
Mondovì CN 17 22484 64642
Frabosa Sottana CN 18 1497 66139
Bormida SV 18 387 66526
Monesiglio CN 18 645 67171
Cosseria SV 18 1105 68276
Plodio SV 18 650 68926
San Benedetto Belbo CN 19 179 69105
Belvedere Langhe CN 20 366 69471
Gottasecca CN 20 148 69619
Clavesana CN 20 825 70444

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Savona (61345 inhabitants)
38 Km E of Cuneo (56081 inhabitants)
59 Km NE of Sanremo (54807 inhabitants)
66 Km S of Asti (76202 inhabitants)
73 Km W of Genova (586655 inhabitants)
80 Km SE of Moncalieri (57294 inhabitants)
81 Km SW of Alessandria (93943 inhabitants)
88 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
Rev 1000 ML 1.0 2018-09-18
06:44:30
44.32 8.02 1 2019-06-04
09:16:03
Bollettino Sismico Italiano INGV 63906261
Rev 100 ML 1.0 2018-09-18
06:44:30
44.28 8.04 9 2018-09-18
06:54:57
Sala Sismica INGV-Roma 61058791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-18 06:44:30 ± 0.13
Latitude 44.32 ± 0.01
Longitude 8.02 ± 0.01
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 63906261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1030
Semi-minor axis of confidence ellipse (meter) 800
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 351
Circular confidence region, given by single value of horizontal uncertainty (meter) 1030
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.15019
Epicentral distance of station farthest from the epicenter (degree) 0.74374
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 63906261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-09 08:41:03

ML:1

Field Value
Value 1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 61058791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-18 06:54:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.BHB.HHZ. 2018-09-18T06:44:45.55 0.3 undecidable manual P 314 0.7437 50 -0.14 67
GU.PZZ.HHZ. 2018-09-18T06:44:44.45 0.3 undecidable manual P 286 0.6709 50 0.02 69
IV.IMI.HHN. 2018-09-18T06:44:39.09 0.3 undecidable manual P 192 0.42 91 -0.43 67
GU.ENR.HHZ. 2018-09-18T06:44:39.65 0.3 undecidable manual P 258 0.4389 91 -0.28 69
GU.PCP.HHZ. 2018-09-18T06:44:39.72 0.3 undecidable manual P 59 0.4353 91 -0.15 71
GU.MGRO.HNN. 2018-09-18T06:44:37.21 0.1 undecidable manual P 209 0.3157 91 0 100
IV.QLNO.HHZ. 2018-09-18T06:44:35.61 0.3 undecidable manual P 89 0.2338 91 0.22 73
GU.RORO.HHZ. 2018-09-18T06:44:34.77 0.1 undecidable manual P 171 0.2113 91 -0.11 100
GU.CANO.HHZ. 2018-09-18T06:44:34.58 0.1 undecidable manual P 126 0.1925 91 0.11 100
GU.GBOS.HHZ. 2018-09-18T06:44:34.38 0.3 undecidable manual P 238 0.1502 92 0.85 60
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHE. ML:0.7 4.8537925E-5 1.7024 AML other m 2018-09-18T06:44:36.09
GU.CANO.HHE. ML:1.1 0.00010021074 0.08 AML other m 2018-09-18T06:44:37.14
GU.RORO.HHN. ML:1 7.359352E-5 1.9008 AML other m 2018-09-18T06:44:38.96
GU.CANO.HHN. ML:1.2 0.0001245 1.04 AML other m 2018-09-18T06:44:38.09
GU.RORO.HHE. ML:1.1 8.7783075E-5 0.0992 AML other m 2018-09-18T06:44:38.75
IV.QLNO.HHN. ML:0 4.845E-5 0.66 AML other m 2018-09-18T06:44:39.38
IV.QLNO.HHE. ML:0.9 4.6343015E-5 0.0416 AML other m 2018-09-18T06:44:40.23
GU.ENR.HHN. ML:1.3 4.929661E-5 0.1184 AML other m 2018-09-18T06:44:46.58
GU.ENR.HHE. ML:1.2 4.359125E-5 0.0992 AML other m 2018-09-18T06:44:47.62
GU.PZZ.HHE. ML:1 1.730739E-5 0.1792 AML other m 2018-09-18T06:44:55.83
GU.PZZ.HHN. ML:1 1.482229E-5 0.16 AML other m 2018-09-18T06:44:56.40
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