Earthquake (quarry blast) with magnitude of ML 0.7 on date 14-10-2019 and time 11:06:53 (Italy) in region 2 km NW Castelbianco (SV)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 2 km NW Castelbianco (SV), on

  • 14-10-2019 09:06:53 (UTC)
  • 14-10-2019 11:06:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.14, 8.06 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
Castelbianco SV 3 330 330
Erli SV 3 245 575
Nasino SV 4 207 782
Castelvecchio di Rocca Barbena SV 4 145 927
Zuccarello SV 5 309 1236
Alto CN 6 128 1364
Vendone SV 7 388 1752
Arnasco SV 7 645 2397
Aquila d'Arroscia IM 7 166 2563
Onzo SV 7 219 2782
Garessio CN 8 3244 6026
Bardineto SV 8 756 6782
Cisano sul Neva SV 8 2085 8867
Caprauna CN 9 104 8971
Balestrino SV 9 595 9566
Ranzo IM 9 557 10123
Ortovero SV 9 1586 11709
Borghetto d'Arroscia IM 11 456 12165
Casanova Lerrone SV 11 749 12914
Garlenda SV 12 1254 14168
Toirano SV 12 2644 16812
Villanova d'Albenga SV 12 2657 19469
Calizzano SV 12 1475 20944
Ormea CN 12 1617 22561
Vessalico IM 13 282 22843
Boissano SV 13 2492 25335
Priola CN 13 701 26036
Armo IM 13 111 26147
Ceriale SV 14 5561 31708
Borghetto Santo Spirito SV 15 4948 36656
Testico SV 15 196 36852
Stellanello SV 15 808 37660
Pieve di Teco IM 15 1338 38998
Albenga SV 15 24213 63211
Giustenice SV 15 977 64188
Cesio IM 16 283 64471
Loano SV 16 11407 75878
Magliolo SV 16 974 76852
Alassio SV 17 10934 87786
Pornassio IM 17 685 88471
Tovo San Giacomo SV 17 2582 91053
Pietra Ligure SV 18 8992 100045
Caravonica IM 18 282 100327
Massimino SV 18 113 100440
Chiusanico IM 19 607 101047
Villa Faraldi IM 19 444 101491
Bagnasco CN 19 1035 102526
Viola CN 19 391 102917
Laigueglia SV 19 1810 104727
Rialto SV 19 564 105291
Borgio Verezzi SV 20 2205 107496
Chiusavecchia IM 20 577 108073
Cosio d'Arroscia IM 20 221 108294
Osiglia SV 20 444 108738
Rezzo IM 20 366 109104
Pamparato CN 20 302 109406
Borgomaro IM 20 865 110271

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SW of Savona (61345 inhabitants)
41 Km NE of Sanremo (54807 inhabitants)
50 Km SE of Cuneo (56081 inhabitants)
76 Km W of Genova (586655 inhabitants)
86 Km S of Asti (76202 inhabitants)
97 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 0.7 2019-10-14
09:06:53
44.13 8.06 1 2020-02-28
16:42:16
Bollettino Sismico Italiano INGV 75017741
Reviewed
Rev100
ML 0.7 2019-10-14
09:06:53
44.1 8.1 8 2019-10-14
09:17:45
Sala Sismica INGV-Roma 73246901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-14 09:06:53 ± 0.23
Latitude 44.13 ± 0.02
Longitude 8.06 ± 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 75017741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2050
Semi-minor axis of confidence ellipse (meter) 1390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 318
Circular confidence region, given by single value of horizontal uncertainty (meter) 2050
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.55
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.5324
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 75017741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-27 10:01:25

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 73246901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-14 09:17:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.PCP.HHE. 2019-10-14T09:07:05.47 0.3 undecidable manual P 40 0.5324 90 -0.26 67
GU.ENR.HHE. 2019-10-14T09:07:03.97 0.3 undecidable manual P 281 0.4703 91 -0.37 66
FR.SAOF.HHE.00 2019-10-14T09:07:01.77 0.6 undecidable manual P 248 0.3957 91 -0.92 36
GU.GBOS.HHZ. 2019-10-14T09:06:59.05 0.1 undecidable manual P 304 0.1925 91 0.88 77
IV.QLNO.HHZ. 2019-10-14T09:06:59.79 0.3 undecidable manual P 47 0.277 91 -0.26 70
IV.IMI.HHZ. 2019-10-14T09:06:59.18 0.1 undecidable manual P 209 0.2554 91 -0.39 91
GU.CANO.HHZ. 2019-10-14T09:06:57.14 0.1 undecidable manual P 60 0.1439 92 0.05 100
GU.RORO.HHZ. 2019-10-14T09:06:55.02 0.1 undecidable manual P 175 0.0225 101 0.62 89
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:0 0.0004246186 0.064 AML other m 2019-10-14T09:06:55.85
GU.RORO.HHN. ML:0 0.000491914 0.1408 AML other m 2019-10-14T09:06:56.23
GU.CANO.HHN. ML:0.6 4.57728E-5 0.1984 AML other m 2019-10-14T09:06:59.66
GU.CANO.HHE. ML:0.6 4.5764645E-5 1.5776 AML other m 2019-10-14T09:06:59.05
IV.IMI.HHE. ML:0.7 2.9381705E-5 0.1152 AML other m 2019-10-14T09:07:03.65
IV.IMI.HHN. ML:0.9 3.9087185E-5 0.1216 AML other m 2019-10-14T09:07:03.98
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