Earthquake with magnitude of ML 1.7 on date 04-07-2019 and time 07:12:56 (Italy) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 1.7 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 04-07-2019 05:12:56 (UTC)
  • 04-07-2019 07:12:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0340, 8.5740 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km S of Savona (61345 inhabitants)
51 Km SW of Genova (586655 inhabitants)
67 Km E of Sanremo (54807 inhabitants)
91 Km E of Cuneo (56081 inhabitants)
98 Km S 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 1.7 2019-07-04
05:12:56
44.034 8.574 10 2019-11-13
14:31:05
Bollettino Sismico Italiano INGV 73163461
Reviewed
Rev100
ML 1.7 2019-07-04
05:12:55
44.0272 8.5537 6 2019-07-04
05:28:01
Sala Sismica INGV-Roma 70184431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-04 05:12:56 ± 0.17
Latitude 44.0340 ± 0.0117
Longitude 8.5740 ± 0.0113
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73163461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1350
Semi-minor axis of confidence ellipse (meter) 830
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 343
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.23117
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 70184431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-04 05:28:01

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 73163461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-09 17:25:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.BRJN.HHZ. 2019-07-04T05:14:44.49 3.0 undecidable manual Sn 4.1 0
IT.ORP.HGZ. 2019-07-04T05:14:34.69 3.0 undecidable manual Pg 15.69 0
IV.MOMA.HHZ. 2019-07-04T05:14:26.73 3.0 undecidable manual Sn 2.91 0
IV.ATPI.EHZ. 2019-07-04T05:14:20.61 3.0 undecidable manual Sn 4.53 0
IV.ZONE.HHZ. 2019-07-04T05:13:55.36 3.0 undecidable manual Sn -2.83 0
IT.FIE.HGZ. 2019-07-04T05:13:36.22 3.0 positive manual Pg 7.44 0
GU.BHB.HHZ. 2019-07-04T05:13:19.42 0.3 undecidable manual P 311 136.6632 50 0.73 52
GU.PZZ.HHZ. 2019-07-04T05:13:17.88 0.3 undecidable manual P 295 127.1727 50 0.66 55
GU.PCP.HHZ. 2019-07-04T05:13:14.11 0.6 undecidable manual S 358 56.2992 50 0.29 47
GU.STV.HHZ. 2019-07-04T05:13:14.14 0.6 undecidable manual P 284 102.12 50 0.78 37
IV.IMI.HHZ. 2019-07-04T05:13:13.86 0.6 undecidable manual S 256 56.0994 50 0.11 49
GU.ENR.HHZ. 2019-07-04T05:13:12.33 0.3 undecidable manual P 284 94.3389 50 0.16 67
IV.PLMA.HHE. 2019-07-04T05:13:12.47 0.3 undecidable manual P 89 102.0201 50 -0.89 52
GU.BURY.HNN. 2019-07-04T05:13:11.71 0.3 undecidable manual P 251 85.9473 50 0.83 55
GU.GORR.HHZ. 2019-07-04T05:13:11.12 0.3 undecidable manual P 42 85.4478 50 0.32 66
FR.SAOF.HHZ.00 2019-07-04T05:13:10.34 0.3 undecidable manual P 267 81.6516 50 0.13 69
IV.MSSA.HHZ. 2019-07-04T05:13:09.93 0.3 undecidable manual P 67 81.3519 50 -0.24 68
GU.RORO.HHZ. 2019-07-04T05:13:09.36 0.3 undecidable manual S 282 41.4252 50 -0.48 69
IV.QLNO.HHZ. 2019-07-04T05:13:08.32 0.6 undecidable manual S 331 36.9297 50 -0.33 48
GU.CANO.HHZ. 2019-07-04T05:13:07.21 0.3 undecidable manual S 306 33.0447 50 -0.39 72
GU.GBOS.HHZ. 2019-07-04T05:13:07.20 0.3 undecidable manual P 292 62.7927 50 -0.11 72
GU.PCP.HHZ. 2019-07-04T05:13:06.48 0.3 undecidable manual P 358 56.2992 50 0.17 72
GU.RNCA.HHZ. 2019-07-04T05:13:06.75 0.3 undecidable manual P 32 56.9985 50 0.33 70
IV.IMI.HHZ. 2019-07-04T05:13:05.91 0.3 undecidable manual P 256 56.0994 50 -0.36 69
GU.RORO.HHZ. 2019-07-04T05:13:03.67 0.1 undecidable manual P 282 41.4252 50 -0.34 95
IV.QLNO.HHZ. 2019-07-04T05:13:03.18 0.1 undecidable manual P 331 36.9297 50 -0.15 100
GU.CANO.HHZ. 2019-07-04T05:13:02.49 0.1 negative manual P 306 33.0447 50 -0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHN. ML:1.9 0.00037306934999999997 1.8816 AML other m 2019-07-04T05:13:09.98
GU.CANO.HHE. ML:1.8 0.00026161625 0.1184 AML other m 2019-07-04T05:13:09.16
IV.QLNO.HHN. ML:1.5 0.000126129365 0.1216 AML other m 2019-07-04T05:13:09.76
GU.RORO.HHN. ML:1.9 0.0002515095 0.0992 AML other m 2019-07-04T05:13:09.92
IV.QLNO.HHE. ML:1.7 0.00019702914999999998 0.24 AML other m 2019-07-04T05:13:10.69
GU.RORO.HHE. ML:2.0 0.00031150975 0.08 AML other m 2019-07-04T05:13:10.93
IV.IMI.HHN. ML:2.1 0.00029522585 0.1792 AML other m 2019-07-04T05:13:14.84
IV.IMI.HHE. ML:2.0 0.0002266746 0.2368 AML other m 2019-07-04T05:13:15.02
GU.PCP.HHN. ML:1.5 0.00007635277 0.2208 AML other m 2019-07-04T05:13:16.01
GU.GBOS.HHN. ML:1.7 0.00008932695 0.1216 AML other m 2019-07-04T05:13:16.14
GU.PCP.HHE. ML:1.6 0.00008555552999999999 0.1216 AML other m 2019-07-04T05:13:16.47
GU.RNCA.HHE. ML:1.1 0.000023700470000000002 0.3392 AML other m 2019-07-04T05:13:16.81
GU.RNCA.HHN. ML:1.1 0.000024144925 0.24 AML other m 2019-07-04T05:13:16.76
GU.GBOS.HHE. ML:1.5 0.00006444105999999999 0.2208 AML other m 2019-07-04T05:13:16.77
GU.GORR.HHE. ML:1.7 0.00006209436999999999 0.6016 AML other m 2019-07-04T05:13:23.32
IV.MSSA.HHN. ML:1.4 0.00003002895 1.3408 AML other m 2019-07-04T05:13:26.96
GU.ENR.HHN. ML:1.9 0.00008471500500000001 0.1408 AML other m 2019-07-04T05:13:26.66
GU.ENR.HHE. ML:1.7 0.00005563862 0.1792 AML other m 2019-07-04T05:13:27.45
GU.STV.HHE. ML:1.7 0.000043600905000000005 0.2016 AML other m 2019-07-04T05:13:28.11
GU.GORR.HHN. ML:1.6 0.00005094929 1.4208 AML other m 2019-07-04T05:13:28.13
GU.STV.HHN. ML:1.8 0.00005698372 0.1824 AML other m 2019-07-04T05:13:28.34
GU.PZZ.HHN. ML:2.1 0.00007818052000000001 0.2816 AML other m 2019-07-04T05:13:35.85
GU.BHB.HHE. ML:1.6 0.000023186835 0.32 AML other m 2019-07-04T05:13:36.51
GU.PZZ.HHE. ML:2.0 0.000062026055 0.2592 AML other m 2019-07-04T05:13:36.68
GU.BHB.HHN. ML:1.6 0.00002560457 0.2592 AML other m 2019-07-04T05:13:37.62
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