Earthquake with magnitude of ML 1.7 on date 12-06-2023 and time 08:28:23 (Italy) in region 4 km N Rezzoaglio (GE)

A magnitude ML 1.7 earthquake occured in region: 4 km N Rezzoaglio (GE), on

  • 12-06-2023 06:28:23 (UTC)
  • 12-06-2023 08:28:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5620, 9.4010 at 9 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rezzoaglio GE 4 995 995
Santo Stefano d'Aveto GE 4 1126 2121
Fontanigorda GE 8 277 2398
Ottone PC 9 516 2914
Rovegno GE 10 554 3468
Gorreto GE 10 97 3565
Ferriere PC 12 1294 4859
Montebruno GE 12 240 5099
Fascia GE 13 81 5180
Cerignale PC 14 127 5307
Rondanina GE 14 62 5369
Zerba PC 15 77 5446
Borzonasca GE 15 2049 7495
Favale di Malvaro GE 17 466 7961
Corte Brugnatella PC 17 586 8547
Propata GE 17 142 8689
Lorsica GE 17 468 9157
Carrega Ligure AL 19 84 9241
Bedonia PR 19 3482 12723
Tornolo PR 20 1010 13733
Orero GE 20 565 14298
Torriglia GE 20 2311 16609
Mezzanego GE 20 1537 18146

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Genova (586655 inhabitants)
59 Km SW of Piacenza (102191 inhabitants)
61 Km NW of La Spezia (93959 inhabitants)
72 Km S of Pavia (72576 inhabitants)
73 Km SE of Alessandria (93943 inhabitants)
77 Km NW of Carrara (63133 inhabitants)
78 Km W of Parma (192836 inhabitants)
78 Km E of Savona (61345 inhabitants)
81 Km SW of Cremona (71901 inhabitants)
83 Km NW of Massa (69479 inhabitants)
94 Km SE of Vigevano (63310 inhabitants)
99 Km W of Reggio nell'Emilia (171345 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 2023-06-12
06:28:23
44.5615 9.4007 9 2024-09-10
16:44:26
Bollettino Sismico Italiano INGV 127503221
Reviewed
Rev100
ML 1.8 2023-06-12
06:28:23
44.5622 9.401 9 2023-06-12
06:50:29
Sala Sismica INGV-Roma 118328321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-12 06:28:23 ± 0.15
Latitude 44.5615 ± 0.0243
Longitude 9.4007 ± 0.0088
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 127503221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2682
Semi-minor axis of confidence ellipse (meter) 532
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 2680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 21
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) 0.08903
Epicentral distance of station farthest from the epicenter (degree) 1.09897
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 127503221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-05-08 13:13:50

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 118328321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-12 06:50:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHE. 2023-06-12T06:28:53.56 0.6 undecidable manual S 247 100.2219 50 0.37 40
IV.QLNO.HHE. 2023-06-12T06:28:50.70 0.6 undecidable manual S 253 87.5457 50 0.89 34
GU.POPM.HHZ. 2023-06-12T06:28:45.03 0.6 undecidable manual P 118 121.989 50 1.05 29
GU.PCP.HHZ. 2023-06-12T06:28:44.27 0.6 undecidable manual S 268 67.6767 50 -0.22 44
IV.PLMA.HHZ. 2023-06-12T06:28:43.78 0.6 undecidable manual S 147 67.1772 50 -0.59 40
GU.CANO.HHE. 2023-06-12T06:28:41.32 0.3 undecidable manual P 247 100.2219 50 0.69 54
GU.GRAM.HHE. 2023-06-12T06:28:40.04 0.6 undecidable manual S 98 53.1024 50 -0.57 41
IV.QLNO.HHE. 2023-06-12T06:28:39.10 0.3 undecidable manual P 253 87.5457 50 0.42 61
GU.SARM.EHN. 2023-06-12T06:28:39.87 0.6 undecidable manual P 117 89.6436 50 0.86 34
IT.GNV.HGE. 2023-06-12T06:28:36.87 0.6 undecidable manual S 249 39.8268 50 -0.18 46
GU.EQUI.HHZ. 2023-06-12T06:28:36.73 0.6 undecidable manual P 126 74.0703 50 0.13 44
GU.GENL.EHN. 2023-06-12T06:28:36.29 0.6 undecidable manual S 243 38.2284 50 -0.35 45
IV.PLMA.HHZ. 2023-06-12T06:28:35.20 0.3 undecidable manual P 147 67.1772 50 -0.34 64
GU.PCP.HHZ. 2023-06-12T06:28:35.66 0.3 undecidable manual P 268 67.6767 50 0.05 68
GU.RNCA.HHZ. 2023-06-12T06:28:35.56 0.3 undecidable manual S 254 36.9297 50 -0.73 60
GU.GRAM.HHE. 2023-06-12T06:28:33.27 0.3 undecidable manual P 98 53.1024 50 -0.1 69
IT.GNV.HGE. 2023-06-12T06:28:31.42 0.3 undecidable manual P 249 39.8268 50 0.1 71
GU.GENL.EHN. 2023-06-12T06:28:31.28 0.6 undecidable manual P 243 38.2284 50 0.2 46
GU.RNCA.HHZ. 2023-06-12T06:28:30.69 0.1 negative manual P 254 36.9297 50 -0.19 93
GU.GORR.HHE. 2023-06-12T06:28:27.93 0.1 undecidable manual S 301 9.879 132 -0.16 98
GU.GORR.HHE. 2023-06-12T06:28:26.07 0.1 undecidable manual P 301 9.879 132 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RNCA.HHE. ML:2.4 0.0009655 0.1 AML other m 2023-06-12T06:28:36.47
GU.RNCA.HHN. ML:1.9 0.0003201123 0.1216 AML other m 2023-06-12T06:28:36.23
IV.PLMA.HHN. ML:1.8 0.0001008 0.44 AML other m 2023-06-12T06:28:46.65
IV.PLMA.HHE. ML:1.8 0.00010445 0.2 AML other m 2023-06-12T06:28:47.23
GU.PCP.HHE. ML:1.6 0.00006315 0.2 AML other m 2023-06-12T06:28:48.36
GU.PCP.HHN. ML:1.6 0.00006615 0.28 AML other m 2023-06-12T06:28:48.39
GU.EQUI.HHN. ML:1.2 0.000024679385 0.3776 AML other m 2023-06-12T06:28:49.37
GU.EQUI.HHE. ML:1.1 0.00002069 0.24 AML other m 2023-06-12T06:28:50.43
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