Earthquake with magnitude of ML 1.6 on date 18-06-2023 and time 02:09:11 (UTC) in region Costa Ligure centro orientale (Genova)

A magnitude ML 1.6 earthquake occured in region: Costa Ligure centro orientale (Genova), on

  • 18-06-2023 02:09:11 (UTC)
  • 18-06-2023 04:09:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2330, 8.8770 at 9 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km S of Genova (586655 inhabitants)
33 Km E of Savona (61345 inhabitants)
77 Km W of La Spezia (93959 inhabitants)
79 Km S of Alessandria (93943 inhabitants)
91 Km SE of Asti (76202 inhabitants)
99 Km E of Sanremo (54807 inhabitants)
99 Km W of Carrara (63133 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 1.6 2023-06-18
02:09:11
44.2327 8.8767 9 2023-06-18
02:16:06
Sala Sismica INGV-Roma 118505011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-18 02:09:11 ± 0.16
Latitude 44.2327 ± 0.0081
Longitude 8.8767 ± 0.0075
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118505011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 859
Semi-minor axis of confidence ellipse (meter) 602
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 22
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91641
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 118505011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-18 02:16:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2023-06-18T02:10:12.05 3.0 undecidable manual Sg 1.47 0
IV.MURB.HHZ. 2023-06-18T02:09:58.17 3.0 undecidable manual Pn -0.62 0
GU.ENR.HHZ. 2023-06-18T02:09:45.95 3.0 undecidable manual S -2.37 0
GU.EQUI.HHZ. 2023-06-18T02:09:41.08 0.6 undecidable manual S 94 101.7204 50 -0.45 39
GU.POPM.HHZ. 2023-06-18T02:09:37.12 3.0 positive manual P -1.78 0
GU.PZZ.HHZ. 2023-06-18T02:09:37.23 3.0 positive manual P 0.96 0
GU.BHB.HHZ. 2023-06-18T02:09:36.41 3.0 undecidable manual P -0.02 0
GU.RORO.HHZ. 2023-06-18T02:09:31.86 0.6 undecidable manual S 259 65.7897 50 -0.07 46
FR.SAOF.HHZ.00 2023-06-18T02:09:30.21 3.0 undecidable manual P -0.98 0
GU.EQUI.HHZ. 2023-06-18T02:09:28.79 0.1 undecidable manual P 94 101.7204 50 -0.01 86
GU.IMI.HHZ. 2023-06-18T02:09:27.11 3.0 positive manual P -0.37 0
GU.CANO.HHZ. 2023-06-18T02:09:27.95 0.6 undecidable manual S 267 50.9157 50 0 48
GU.MGRO.HHZ. 2023-06-18T02:09:27.48 3.0 negative manual P -0.14 0
GU.PCP.HHZ. 2023-06-18T02:09:26.36 0.1 undecidable manual S 323 43.1235 50 0.48 87
IV.QLNO.HHZ. 2023-06-18T02:09:25.78 0.3 undecidable manual S 284 43.3233 50 -0.16 70
IV.PLMA.HHZ. 2023-06-18T02:09:25.92 0.3 undecidable manual P 104 80.364 50 0.42 62
GU.RORO.HHZ. 2023-06-18T02:09:23.31 0.1 undecidable manual P 259 65.7897 50 0.05 92
GU.CANO.HHZ. 2023-06-18T02:09:21.02 0.1 positive manual P 267 50.9157 50 0.06 94
GU.RNCA.HHZ. 2023-06-18T02:09:20.89 0.6 undecidable manual S 13 27.0507 108 -0.4 46
IT.GNV.HGE. 2023-06-18T02:09:19.83 0.6 undecidable manual S 11 22.4553 111 0.04 50
GU.PCP.HHZ. 2023-06-18T02:09:19.21 0.1 undecidable manual P 323 43.1235 50 -0.55 85
GU.GENL.EHE. 2023-06-18T02:09:19.11 0.6 undecidable manual S 21 20.5683 113 -0.06 50
IV.QLNO.HHZ. 2023-06-18T02:09:19.65 0.6 negative manual P 284 43.3233 50 -0.14 47
GU.RNCA.HHZ. 2023-06-18T02:09:17.12 0.1 negative manual P 13 27.0507 108 0.01 99
GU.GENL.EHE. 2023-06-18T02:09:16.15 0.1 undecidable manual P 21 20.5683 113 0.26 95
IT.GNV.HGE. 2023-06-18T02:09:16.25 0.1 undecidable manual P 11 22.4553 111 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RNCA.HHE. ML:2.0 0.000505 0.16 AML other m 2023-06-18T02:09:21.12
GU.RNCA.HHN. ML:1.6 0.00022899999999999998 0.6 AML other m 2023-06-18T02:09:21.44
GU.PCP.HHE. ML:1.2 0.000052199999999999995 0.34 AML other m 2023-06-18T02:09:27.18
IV.QLNO.HHN. ML:1.3 0.00005789999999999999 0.48 AML other m 2023-06-18T02:09:27.52
GU.PCP.HHN. ML:1.3 0.00006475 0.66 AML other m 2023-06-18T02:09:28.75
GU.CANO.HHN. ML:1.8 0.00016149999999999997 1.66 AML other m 2023-06-18T02:09:29.03
GU.CANO.HHE. ML:2.0 0.000235 0.3 AML other m 2023-06-18T02:09:29.91
IV.QLNO.HHE. ML:1.1 0.0000405 0.34 AML other m 2023-06-18T02:09:30.16
GU.RORO.HHE. ML:1.3 0.00003795 1.12 AML other m 2023-06-18T02:09:33.60
GU.RORO.HHN. ML:1.4 0.000051000000000000006 0.34 AML other m 2023-06-18T02:09:33.17
IV.PLMA.HHN. ML:1.5 0.000046 1.44 AML other m 2023-06-18T02:09:36.12
IV.PLMA.HHE. ML:1.3 0.00003125 1.12 AML other m 2023-06-18T02:09:36.15
GU.IMI.HHE. ML:1.4 0.00003305 0.28 AML other m 2023-06-18T02:09:38.24
GU.IMI.HHN. ML:1.6 0.00005695 0.34 AML other m 2023-06-18T02:09:38.39
GU.MGRO.HHE. ML:1.5 0.000042 1.3 AML other m 2023-06-18T02:09:40.81
GU.MGRO.HHN. ML:1.6 0.00005205 0.64 AML other m 2023-06-18T02:09:40.18
FR.SAOF.HHE.00 ML:1.4 0.000018950000000000003 1.2 AML other m 2023-06-18T02:09:46.96
GU.ENR.HHN. ML:1.5 0.000025849999999999998 1.5 AML other m 2023-06-18T02:09:47.16
FR.SAOF.HHN.00 ML:1.2 0.00001645 1.56 AML other m 2023-06-18T02:09:48.87
GU.ENR.HHE. ML:1.4 0.00002135 0.42 AML other m 2023-06-18T02:09:50.25
GU.PZZ.HHE. ML:1.6 0.000023800000000000003 0.44 AML other m 2023-06-18T02:09:55.43
GU.BHB.HHE. ML:1.7 0.00002375 0.78 AML other m 2023-06-18T02:09:55.39
GU.PZZ.HHN. ML:1.7 0.0000323 0.38 AML other m 2023-06-18T02:09:56.64
GU.BHB.HHN. ML:1.4 0.00001635 0.52 AML other m 2023-06-18T02:09:57.95
IV.MURB.HHE. ML:2.4 0.0000309 0.12 AML other m 2023-06-18T02:10:03.49
IV.SEI.HHN. ML:2.0 0.00002805 0.76 AML other m 2023-06-18T02:10:12.61
IV.SEI.HHE. ML:1.8 0.000022449999999999997 0.42 AML other m 2023-06-18T02:10:17.58
IV.MURB.HHN. ML:2.4 0.0000258 0.5 AML other m 2023-06-18T02:10:24.22
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