Earthquake (quarry blast) with magnitude of ML 0.2 on date 17-07-2019 and time 16:59:00 (Italy) in region 1 km E Cisano sul Neva (SV)

A magnitude ML 0.2 (quarry blast) earthquake occured in region: 1 km E Cisano sul Neva (SV), on

  • 17-07-2019 14:59:00 (UTC)
  • 17-07-2019 16:59:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.09, 8.15 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
Arnasco SV 4 645 2730
Zuccarello SV 4 309 3039
Balestrino SV 4 595 3634
Villanova d'Albenga SV 5 2657 6291
Castelvecchio di Rocca Barbena SV 5 145 6436
Toirano SV 6 2644 9080
Ortovero SV 6 1586 10666
Vendone SV 6 388 11054
Ceriale SV 7 5561 16615
Erli SV 7 245 16860
Albenga SV 7 24213 41073
Castelbianco SV 7 330 41403
Boissano SV 8 2492 43895
Garlenda SV 8 1254 45149
Borghetto Santo Spirito SV 8 4948 50097
Onzo SV 8 219 50316
Alassio SV 9 10934 61250
Loano SV 10 11407 72657
Nasino SV 10 207 72864
Casanova Lerrone SV 10 749 73613
Ranzo IM 11 557 74170
Bardineto SV 12 756 74926
Aquila d'Arroscia IM 12 166 75092
Giustenice SV 12 977 76069
Alto CN 12 128 76197
Stellanello SV 12 808 77005
Pietra Ligure SV 12 8992 85997
Laigueglia SV 13 1810 87807
Testico SV 13 196 88003
Tovo San Giacomo SV 14 2582 90585
Magliolo SV 14 974 91559
Borghetto d'Arroscia IM 14 456 92015
Villa Faraldi IM 14 444 92459
Andora SV 15 7552 100011
Borgio Verezzi SV 15 2205 102216
Garessio CN 16 3244 105460
Vessalico IM 16 282 105742
Caprauna CN 16 104 105846
Calizzano SV 17 1475 107321
Cesio IM 17 283 107604
Calice Ligure SV 17 1730 109334
Rialto SV 18 564 109898
Finale Ligure SV 18 11711 121609
Diano Arentino IM 18 722 122331
Chiusanico IM 18 607 122938
San Bartolomeo al Mare IM 18 3129 126067
Cervo IM 18 1187 127254
Diano San Pietro IM 19 1145 128399
Caravonica IM 19 282 128681
Armo IM 19 111 128792
Chiusavecchia IM 19 577 129369
Pieve di Teco IM 19 1338 130707
Diano Castello IM 20 2214 132921
Pontedassio IM 20 2323 135244

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Savona (61345 inhabitants)
42 Km NE of Sanremo (54807 inhabitants)
59 Km SE of Cuneo (56081 inhabitants)
72 Km W of Genova (586655 inhabitants)
90 Km S of Asti (76202 inhabitants)
99 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
Rev 1000 ML 0.2 2019-07-17
14:59:00
44.09 8.15 1 2019-11-13
14:31:03
Bollettino Sismico Italiano INGV 72826321
Rev 100 ML 0.1 2019-07-17
14:59:00
44.1 8.13 8 2019-07-17
15:12:58
Sala Sismica INGV-Roma 70656431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-17 14:59:00 ± 0.16
Latitude 44.09 ± 0.01
Longitude 8.15 ± 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 72826321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1390
Semi-minor axis of confidence ellipse (meter) 690
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 1390
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
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) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.68708
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:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 72826321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-27 13:22:45

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 70656431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-17 15:12:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.RNCA.HHE. 2019-07-17T14:59:14.68 0.3 undecidable manual P 56 0.6871 50 -0.25 64
GU.PCP.HHZ. 2019-07-17T14:59:12.00 0.6 undecidable manual P 32 0.5315 90 -0.23 44
GU.GBOS.HHZ. 2019-07-17T14:59:06.18 0.3 undecidable manual P 304 0.2707 91 -0.25 70
IV.IMI.HHZ. 2019-07-17T14:59:06.24 0.3 undecidable manual P 226 0.259 91 0.08 73
IV.QLNO.HHZ. 2019-07-17T14:59:06.56 0.6 undecidable manual P 31 0.2725 91 0.1 48
GU.CANO.HHZ. 2019-07-17T14:59:03.71 0.3 undecidable manual P 27 0.1322 92 0.36 70
GU.RORO.HHZ. 2019-07-17T14:59:01.97 0.1 undecidable manual P 290 0.0657 94 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:0 0.0001152972 0.32 AML other m 2019-07-17T14:59:03.11
GU.RORO.HHN. ML:0 7.741126E-5 0.128 AML other m 2019-07-17T14:59:03.18
GU.CANO.HHE. ML:0.2 2.238538E-5 1.04 AML other m 2019-07-17T14:59:06.09
GU.CANO.HHN. ML:0.1 1.28217905E-5 0.3584 AML other m 2019-07-17T14:59:06.21
GU.GBOS.HHE. ML:0 3.224353E-6 0.3328 AML other m 2019-07-17T14:59:10.19
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