Earthquake with magnitude of ML 1.4 on date 12-06-2023 and time 07:31:06 (Italy) in region 4 km N Rezzoaglio (GE)

A magnitude ML 1.4 earthquake occured in region: 4 km N Rezzoaglio (GE), on

  • 12-06-2023 05:31:06 (UTC)
  • 12-06-2023 07:31:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5660, 9.3770 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
Rezzoaglio GE 5 995 995
Fontanigorda GE 6 277 1272
Santo Stefano d'Aveto GE 6 1126 2398
Ottone PC 7 516 2914
Rovegno GE 8 554 3468
Gorreto GE 8 97 3565
Montebruno GE 11 240 3805
Fascia GE 11 81 3886
Cerignale PC 13 127 4013
Rondanina GE 13 62 4075
Zerba PC 13 77 4152
Ferriere PC 13 1294 5446
Propata GE 15 142 5588
Favale di Malvaro GE 16 466 6054
Borzonasca GE 16 2049 8103
Corte Brugnatella PC 16 586 8689
Lorsica GE 17 468 9157
Carrega Ligure AL 17 84 9241
Torriglia GE 18 2311 11552
Neirone GE 19 916 12468
Orero GE 19 565 13033
Coli PC 20 879 13912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Genova (586655 inhabitants)
60 Km SW of Piacenza (102191 inhabitants)
62 Km NW of La Spezia (93959 inhabitants)
71 Km S of Pavia (72576 inhabitants)
72 Km SE of Alessandria (93943 inhabitants)
77 Km E of Savona (61345 inhabitants)
79 Km NW of Carrara (63133 inhabitants)
80 Km W of Parma (192836 inhabitants)
81 Km SW of Cremona (71901 inhabitants)
85 Km NW of Massa (69479 inhabitants)
93 Km SE of Vigevano (63310 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 1.4 2023-06-12
05:31:06
44.5662 9.3772 10 2023-06-12
05:37:12
Sala Sismica INGV-Roma 118326201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-12 05:31:06 ± 0.25
Latitude 44.5662 ± 0.0153
Longitude 9.3772 ± 0.0189
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118326201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2000
Semi-minor axis of confidence ellipse (meter) 1140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 2000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.61873
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 118326201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-12 05:37:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLMA.HHZ. 2023-06-12T05:31:26.88 0.6 undecidable manual S 146 68.6757 50 -0.56 40
IV.PLMA.HHZ. 2023-06-12T05:31:19.14 0.6 undecidable manual P 146 68.6757 50 0.58 40
GU.PCP.HHZ. 2023-06-12T05:31:18.54 0.1 undecidable manual P 268 65.7897 50 0.42 85
GU.RNCA.HHZ. 2023-06-12T05:31:18.40 0.1 undecidable manual S 253 35.3424 50 -0.14 95
GU.RNCA.HHZ. 2023-06-12T05:31:13.51 0.6 negative manual P 253 35.3424 50 0.09 48
GU.GORR.HHZ. 2023-06-12T05:31:10.72 0.1 undecidable manual S 304 8.0808 141 -0.16 99
GU.GORR.HHZ. 2023-06-12T05:31:08.88 0.1 positive manual P 304 8.0808 141 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RNCA.HHE. ML:2.0 0.0003745 0.12 AML other m 2023-06-12T05:31:19.27
GU.RNCA.HHN. ML:1.6 0.000147 0.6 AML other m 2023-06-12T05:31:19.31
IV.PLMA.HHN. ML:1.4 0.00004085 0.18 AML other m 2023-06-12T05:31:29.47
IV.PLMA.HHE. ML:1.5 0.00005165 1.78 AML other m 2023-06-12T05:31:29.08
GU.PCP.HHE. ML:1.2 0.00002765 0.96 AML other m 2023-06-12T05:31:31.16
GU.PCP.HHN. ML:1.1 0.00002325 0.38 AML other m 2023-06-12T05:31:31.48
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