Earthquake (quarry blast) with magnitude of ML 1.3 on date 12-06-2020 and time 11:31:33 (Italy) in region 1 km NE Cisano sul Neva (SV)

A magnitude ML 1.3 (quarry blast) earthquake occured in region: 1 km NE Cisano sul Neva (SV), on

  • 12-06-2020 09:31:33 (UTC)
  • 12-06-2020 11:31:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0940, 8.1500 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
Cisano sul Neva SV 1 2085 2085
Zuccarello SV 3 309 2394
Arnasco SV 4 645 3039
Balestrino SV 4 595 3634
Castelvecchio di Rocca Barbena SV 5 145 3779
Villanova d'Albenga SV 5 2657 6436
Erli SV 6 245 6681
Toirano SV 6 2644 9325
Castelbianco SV 6 330 9655
Vendone SV 6 388 10043
Ortovero SV 6 1586 11629
Ceriale SV 7 5561 17190
Albenga SV 7 24213 41403
Boissano SV 7 2492 43895
Garlenda SV 8 1254 45149
Borghetto Santo Spirito SV 8 4948 50097
Onzo SV 8 219 50316
Alassio SV 10 10934 61250
Loano SV 10 11407 72657
Nasino SV 10 207 72864
Casanova Lerrone SV 11 749 73613
Bardineto SV 11 756 74369
Ranzo IM 11 557 74926
Aquila d'Arroscia IM 12 166 75092
Giustenice SV 12 977 76069
Alto CN 12 128 76197
Pietra Ligure SV 12 8992 85189
Stellanello SV 13 808 85997
Laigueglia SV 13 1810 87807
Tovo San Giacomo SV 13 2582 90389
Magliolo SV 14 974 91363
Testico SV 14 196 91559
Borghetto d'Arroscia IM 14 456 92015
Borgio Verezzi SV 15 2205 94220
Villa Faraldi IM 15 444 94664
Andora SV 15 7552 102216
Garessio CN 15 3244 105460
Caprauna CN 16 104 105564
Vessalico IM 16 282 105846
Calizzano SV 16 1475 107321
Cesio IM 17 283 107604
Calice Ligure SV 17 1730 109334
Rialto SV 17 564 109898
Finale Ligure SV 18 11711 121609
Diano Arentino IM 18 722 122331
Chiusanico IM 18 607 122938
San Bartolomeo al Mare IM 19 3129 126067
Armo IM 19 111 126178
Cervo IM 19 1187 127365
Caravonica IM 19 282 127647
Diano San Pietro IM 19 1145 128792
Chiusavecchia IM 19 577 129369
Pieve di Teco IM 19 1338 130707
Priola CN 20 701 131408
Diano Castello IM 20 2214 133622
Orco Feglino SV 20 890 134512

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Savona (61345 inhabitants)
42 Km NE of Sanremo (54807 inhabitants)
58 Km SE of Cuneo (56081 inhabitants)
72 Km W of Genova (586655 inhabitants)
90 Km S of Asti (76202 inhabitants)
98 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 1.3 2020-06-12
09:31:33
44.0937 8.1505 1 2020-11-19
12:37:00
Bollettino Sismico Italiano INGV 82800071
Reviewed
Rev100
ML 1.3 2020-06-12
09:31:33
44.1047 8.1207 5 2020-06-12
09:39:05
Sala Sismica INGV-Roma 80110621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-12 09:31:33 ± 0.25
Latitude 44.0937 ± 0.0144
Longitude 8.1505 ± 0.0188
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 82800071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1980
Semi-minor axis of confidence ellipse (meter) 920
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) 1980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54049
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 82800071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-11 00:58:36

ML:1.3

Field Value
Value 1.3
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 80110621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-12 09:39:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2020-06-12T09:33:19.77 3.0 undecidable manual Sn 0.24 0
OX.CIMO.HHZ. 2020-06-12T09:33:18.32 3.0 undecidable manual Sg 12.69 0
CR.STON.BHZ. 2020-06-12T09:33:17.84 3.0 negative manual Pn 7.65 0
IV.ROSPO.HHZ. 2020-06-12T09:33:05.71 3.0 undecidable manual Pg 19.01 0
IV.ARVD.HHZ. 2020-06-12T09:33:03.94 3.0 undecidable manual Sn 0.16 0
OX.VARN.HHZ. 2020-06-12T09:32:56.59 3.0 undecidable manual Sn -0.02 0
IV.CADC.HNZ. 2020-06-12T09:32:23.71 3.0 undecidable manual Sn 2.33 0
IV.PE3.EHZ. 2020-06-12T09:32:20.50 3.0 positive manual Pn 3.83 0
IV.BRSN.EHZ. 2020-06-12T09:32:11.36 3.0 positive manual Pn -0.09 0
IV.CAPR.HNZ. 2020-06-12T09:31:57.93 3.0 undecidable manual Pn -0.33 0
IV.EUCT.HNZ. 2020-06-12T09:31:48.51 3.0 negative manual P -0.03 0
GU.ENR.HHN. 2020-06-12T09:31:45.29 0.3 undecidable manual P 285 59.9955 90 0.12 71
GU.PCP.HHZ. 2020-06-12T09:31:44.56 0.3 undecidable manual P 32 58.6968 90 -0.37 67
FR.SAOF.HHE.00 2020-06-12T09:31:42.45 0.3 undecidable manual P 256 49.1175 91 -0.55 65
GU.GBOS.HHZ. 2020-06-12T09:31:39.01 0.1 undecidable manual P 304 29.6481 91 -0.09 100
IV.IMI.HHZ. 2020-06-12T09:31:39.17 0.1 undecidable manual P 225 28.8489 91 0.22 97
GU.MGRO.HHZ. 2020-06-12T09:31:38.60 0.1 undecidable manual P 258 27.8499 91 -0.14 99
GU.CANO.HHZ. 2020-06-12T09:31:36.33 0.3 undecidable manual P 29 14.3745 92 0.28 74
GU.RORO.HHZ. 2020-06-12T09:31:34.91 0.1 undecidable manual P 287 6.993 94 0.34 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.MGRO.HNN. ML:1.3 0.0001215 0.78 AML other m 2020-06-12T09:31:44.65
GU.MGRO.HNE. ML:1.3 0.00011690000000000001 0.6 AML other m 2020-06-12T09:31:44.37
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