Earthquake with magnitude of ML 0.6 on date 11-07-2022 and time 20:18:53 (UTC) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 0.6 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 11-07-2022 20:18:53 (UTC)
  • 11-07-2022 22:18:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0510, 8.3940 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Ceriale SV 14 5561 5561
Loano SV 14 11407 16968
Finale Ligure SV 14 11711 28679
Pietra Ligure SV 14 8992 37671
Borghetto Santo Spirito SV 14 4948 42619
Borgio Verezzi SV 14 2205 44824
Albenga SV 14 24213 69037
Boissano SV 17 2492 71529
Toirano SV 17 2644 74173
Tovo San Giacomo SV 17 2582 76755
Noli SV 17 2736 79491
Giustenice SV 18 977 80468
Alassio SV 18 10934 91402
Calice Ligure SV 19 1730 93132
Balestrino SV 19 595 93727
Magliolo SV 19 974 94701
Orco Feglino SV 20 890 95591
Spotorno SV 20 3803 99394
Vezzi Portio SV 20 809 100203

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km S of Savona (61345 inhabitants)
55 Km E of Sanremo (54807 inhabitants)
59 Km SW of Genova (586655 inhabitants)
77 Km E of Cuneo (56081 inhabitants)
96 Km S of Asti (76202 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
Reviewed
Rev100
ML 0.6 2022-07-11
20:18:53
44.0513 8.3942 10 2022-07-11
20:27:20
Sala Sismica INGV-Roma 107130661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-11 20:18:53 ± 0.37
Latitude 44.0513 ± 0.0153
Longitude 8.3942 ± 0.0188
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107130661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2020
Semi-minor axis of confidence ellipse (meter) 950
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 320
Circular confidence region, given by single value of horizontal uncertainty (meter) 2020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 292
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.19245
Epicentral distance of station farthest from the epicenter (degree) 0.78960
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 107130661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-11 20:27:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2022-07-11T20:19:09.10 0.3 undecidable manual S 296 48.9177 50 -0.01 73
GU.STV.HHZ. 2022-07-11T20:19:08.88 1.0 positive manual P 285 87.6456 50 0.45 21
GU.ENR.HHZ. 2022-07-11T20:19:07.58 0.1 undecidable manual P 285 80.1642 50 0.31 86
IV.QLNO.HHZ. 2022-07-11T20:19:04.47 0.3 undecidable manual S 353 30.5472 50 0.26 71
GU.RORO.HHZ. 2022-07-11T20:19:03.09 0.3 undecidable manual S 285 26.9508 50 -0.16 74
GU.GBOS.HHZ. 2022-07-11T20:19:02.37 1.0 positive manual P 296 48.9177 50 -0.09 24
IV.QLNO.HHZ. 2022-07-11T20:18:59.29 0.3 negative manual P 353 30.5472 50 -0.33 70
GU.RORO.HHZ. 2022-07-11T20:18:58.94 0.6 undecidable manual P 285 26.9508 50 -0.14 49
GU.CANO.HHZ. 2022-07-11T20:18:57.97 0.1 undecidable manual P 324 21.3675 115 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHE. ML:0.8 0.000038511144999999994 0.4864 AML other m 2022-07-11T20:19:03.69
GU.CANO.HHN. ML:0.8 0.000043246254999999996 0.32 AML other m 2022-07-11T20:19:03.01
IV.QLNO.HHN. ML:0.3 0.0000101570575 0.2432 AML other m 2022-07-11T20:19:04.62
IV.QLNO.HHE. ML:0.5 0.0000143694785 0.2304 AML other m 2022-07-11T20:19:04.65
GU.GBOS.HHN. ML:0.3 0.0000061252775 0.2176 AML other m 2022-07-11T20:19:10.36
GU.GBOS.HHE. ML:0.3 0.000005492174000000001 0.1024 AML other m 2022-07-11T20:19:09.88
GU.ENR.HHN. ML:0.9 0.0000076607145 0.128 AML other m 2022-07-11T20:19:19.11
GU.ENR.HHE. ML:0.6 0.00000473383815 0.1664 AML other m 2022-07-11T20:19:21.70
GU.STV.HHE. ML:0.6 0.0000044065575 0.2816 AML other m 2022-07-11T20:19:13.57
GU.STV.HHN. ML:0.6 0.0000040347625 0.256 AML other m 2022-07-11T20:19:24.28
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