Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 06-07-2019 and time 20:05:10 (UTC) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 1.4 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 06-07-2019 20:05:10 (UTC)
  • 06-07-2019 22:05:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1960, 8.6620 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bergeggi SV 18 1129 1129
Celle Ligure SV 19 5237 6366
Savona SV 19 61345 67711
Albissola Marina SV 19 5487 73198
Varazze SV 20 13251 86449
Noli SV 20 2736 89185
Spotorno SV 20 3803 92988
Vado Ligure SV 20 8336 101324

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of Savona (61345 inhabitants)
32 Km SW of Genova (586655 inhabitants)
80 Km S of Alessandria (93943 inhabitants)
81 Km NE of Sanremo (54807 inhabitants)
86 Km SE of Asti (76202 inhabitants)
91 Km E of Cuneo (56081 inhabitants)
94 Km W of La Spezia (93959 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 1.4 2019-07-06
20:05:10		 44.1958 8.6615 11 2019-11-13
14:31:02		 Bollettino Sismico Italiano INGV 72314181
Reviewed
Rev100 		ML 1.6 2019-07-06
20:05:09		 44.1977 8.6597 8 2019-07-06
20:13:32		 Sala Sismica INGV-Roma 70305551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-06 20:05:10 ± 0.09
Latitude 44.1958 ± 0.0000
Longitude 8.6615 ± 0.0000
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 72314181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 0
Semi-minor axis of confidence ellipse (meter) 0
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 0.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.18351
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 72314181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-11 14:21:07

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 70305551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-06 20:13:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.EHZ. 2019-07-06T20:07:11.33 3.0 undecidable manual Pn 5.62 0
OX.ACOM.HHZ. 2019-07-06T20:07:04.09 3.0 undecidable manual Sn -0.88 0
IV.CMDO.HHZ. 2019-07-06T20:07:01.10 3.0 negative manual Pn -1.81 0
IV.PE3.EHZ. 2019-07-06T20:06:39.41 3.0 undecidable manual Sg 8.06 0
OX.ACOM.HHZ. 2019-07-06T20:06:30.18 3.0 positive manual Pg 15.97 0
IV.RCAV.EHZ. 2019-07-06T20:06:19.83 3.0 undecidable manual Pg 9.67 0
IV.ARRO.EHZ. 2019-07-06T20:06:11.72 3.0 positive manual Pg 8.61 0
IV.ZONE.HHZ. 2019-07-06T20:05:43.96 3.0 negative manual Pg 0.81 0
GU.SATI.HHZ. 2019-07-06T20:05:43.00 3.0 undecidable manual Pg 1.35 0
FR.SAOF.HHZ.00 2019-07-06T20:05:37.47 0.6 undecidable manual S 256 91.3419 90 0.41 42
GU.BHB.HHZ. 2019-07-06T20:05:32.58 0.3 undecidable manual P 303 131.3685 90 0.65 53
IV.IMI.HHZ. 2019-07-06T20:05:30.94 0.3 undecidable manual S 243 68.9754 90 -0.16 69
GU.GBOS.HHZ. 2019-07-06T20:05:30.08 0.3 undecidable manual S 275 65.49 90 -0.11 70
GU.STV.HHZ. 2019-07-06T20:05:28.59 0.3 undecidable manual P 273 106.3158 90 0.55 58
GU.ENR.HHZ. 2019-07-06T20:05:27.96 3.0 positive manual P 1.07 0
FR.SAOF.HHZ.00 2019-07-06T20:05:26.19 0.3 undecidable manual P 256 91.3419 90 0.46 62
IV.PLMA.HHZ. 2019-07-06T20:05:25.97 0.6 undecidable manual P 99 96.3258 90 -0.54 40
GU.RNCA.HHZ. 2019-07-06T20:05:23.44 0.3 undecidable manual S 37 38.2284 90 0.53 67
GU.PCP.HHZ. 2019-07-06T20:05:22.91 0.3 undecidable manual S 347 39.4272 90 -0.31 70
IV.IMI.HHZ. 2019-07-06T20:05:22.15 0.3 undecidable manual P 243 68.9754 90 -0.13 69
GU.GBOS.HHZ. 2019-07-06T20:05:21.74 0.1 undecidable manual P 275 65.49 90 -0.02 95
GU.CANO.HHZ. 2019-07-06T20:05:21.40 0.6 undecidable manual S 272 33.744 90 -0.31 47
IV.QLNO.HHZ. 2019-07-06T20:05:20.40 0.3 undecidable manual S 300 28.8489 90 0 76
IT.GNV.HGE. 2019-07-06T20:05:17.30 0.6 undecidable manual P 39 33.8439 90 0.42 46
GU.RNCA.HHZ. 2019-07-06T20:05:17.21 0.1 undecidable manual P 37 38.2284 90 -0.34 93
GU.PCP.HHZ. 2019-07-06T20:05:17.51 0.1 negative manual P 347 39.4272 90 -0.23 95
IV.QLNO.HHZ. 2019-07-06T20:05:16.02 0.1 negative manual P 300 28.8489 90 -0.08 100
GU.CANO.HHZ. 2019-07-06T20:05:16.65 0.1 undecidable manual P 272 33.744 90 -0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.QLNO.HHE. ML:1.3 0.000095410965 0.1152 AML other m 2019-07-06T20:05:16.13
IV.QLNO.HHN. ML:1.3 0.000106536885 0.0896 AML other m 2019-07-06T20:05:20.92
GU.CANO.HHN. ML:1.8 0.0002932378 0.2432 AML other m 2019-07-06T20:05:21.80
GU.CANO.HHE. ML:1.7 0.000217178 0.3712 AML other m 2019-07-06T20:05:23.26
GU.PCP.HHE. ML:1.2 0.00005995407 0.2432 AML other m 2019-07-06T20:05:24.69
GU.PCP.HHN. ML:1.2 0.000052422024999999996 0.2944 AML other m 2019-07-06T20:05:24.59
GU.GBOS.HHE. ML:1.2 0.000028274919999999997 0.2432 AML other m 2019-07-06T20:05:32.40
IV.IMI.HHE. ML:1.2 0.000028221509999999998 0.32 AML other m 2019-07-06T20:05:31.72
IV.IMI.HHN. ML:1.6 0.000071405705 0.2048 AML other m 2019-07-06T20:05:33.32
FR.SAOF.HHE.00 ML:1.2 0.000021731155 0.1792 AML other m 2019-07-06T20:05:40.43
FR.SAOF.HHN.00 ML:1.3 0.000024685519999999997 0.256 AML other m 2019-07-06T20:05:39.91
GU.STV.HHE. ML:1.4 0.000021665484999999997 0.3456 AML other m 2019-07-06T20:05:43.48
GU.STV.HHN. ML:1.4 0.000019471305 0.4224 AML other m 2019-07-06T20:05:45.65
GU.BHB.HHN. ML:1.6 0.0000265634 0.3072 AML other m 2019-07-06T20:05:50.62
GU.BHB.HHE. ML:1.6 0.0000261104 0.2176 AML other m 2019-07-06T20:05:51.33
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