Earthquake with magnitude of ML 2.1 on date 20-02-2024 and time 09:12:32 (Italy) in region 4 km NE Fontanigorda (GE)

A magnitude ML 2.1 earthquake occured in region: 4 km NE Fontanigorda (GE), on

  • 20-02-2024 08:12:32 (UTC)
  • 20-02-2024 09:12:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5770, 9.3410 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fontanigorda GE 4 277 277
Rovegno GE 5 554 831
Gorreto GE 5 97 928
Ottone PC 5 516 1444
Rezzoaglio GE 7 995 2439
Fascia GE 8 81 2520
Montebruno GE 9 240 2760
Santo Stefano d'Aveto GE 9 1126 3886
Rondanina GE 10 62 3948
Zerba PC 11 77 4025
Cerignale PC 11 127 4152
Propata GE 12 142 4294
Carrega Ligure AL 14 84 4378
Ferriere PC 15 1294 5672
Favale di Malvaro GE 15 466 6138
Corte Brugnatella PC 16 586 6724
Torriglia GE 16 2311 9035
Lorsica GE 17 468 9503
Borzonasca GE 18 2049 11552
Neirone GE 18 916 12468
Brallo di Pregola PV 19 599 13067
Coli PC 20 879 13946
Orero GE 20 565 14511

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Genova (586655 inhabitants)
60 Km SW of Piacenza (102191 inhabitants)
65 Km NW of La Spezia (93959 inhabitants)
68 Km SE of Alessandria (93943 inhabitants)
69 Km S of Pavia (72576 inhabitants)
74 Km E of Savona (61345 inhabitants)
82 Km NW of Carrara (63133 inhabitants)
82 Km SW of Cremona (71901 inhabitants)
82 Km W of Parma (192836 inhabitants)
88 Km NW of Massa (69479 inhabitants)
91 Km SE of Vigevano (63310 inhabitants)
97 Km E of Asti (76202 inhabitants)
100 Km S of Milano (1345851 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 2.1 2024-02-20
08:12:32
44.5773 9.3407 9 2024-02-20
08:22:21
Sala Sismica INGV-Roma 125390021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-20 08:12:32 ± 0.1
Latitude 44.5773 ± 0.0108
Longitude 9.3407 ± 0.0088
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 125390021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1143
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.14394
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 125390021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-20 08:22:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCEL.HHZ. 2024-02-20T08:14:27.73 3.0 undecidable manual Pg 20.57 0
IV.MMO1.EHZ. 2024-02-20T08:14:23.65 3.0 undecidable manual Sg 17.700001 0
IV.SRES.HHZ. 2024-02-20T08:14:16.69 3.0 undecidable manual Sg 12.03 0
IV.SENI.HNZ. 2024-02-20T08:14:08.55 3.0 undecidable manual Sg 12.52 0
IV.CAFE.HHZ. 2024-02-20T08:13:56.45 3.0 undecidable manual Pn 0.19 0
IV.RIBO.EHZ.01 2024-02-20T08:13:39.92 3.0 undecidable manual Sg 5.6 0
IV.MMO1.EHZ. 2024-02-20T08:13:36.40 3.0 undecidable manual Pg 11.24 0
IV.RM33.EHZ. 2024-02-20T08:13:28.82 3.0 negative manual Pn 1.55 0
IV.OSSC.HHZ. 2024-02-20T08:13:26.29 3.0 undecidable manual Sn -0.34 0
GU.CIRO.HHZ. 2024-02-20T08:13:25.23 3.0 undecidable manual Sn 0.08 0
IV.ATFO.HHZ. 2024-02-20T08:13:20.18 3.0 positive manual Pg 4.81 0
GU.GBOS.HHZ. 2024-02-20T08:12:54.12 3.0 undecidable manual P -1.26 0
GU.POPM.HHZ. 2024-02-20T08:12:54.68 0.3 undecidable manual P 117 126.9729 50 0.65 52
GU.RORO.HHZ. 2024-02-20T08:12:52.61 3.0 negative manual P -1.18 0
GU.GRAM.HHZ. 2024-02-20T08:12:51.24 0.3 undecidable manual S 99 58.0974 50 0.07 69
GU.CANO.HHZ. 2024-02-20T08:12:49.87 0.3 undecidable manual P 245 96.6255 50 0.52 58
IV.PLMA.HHZ. 2024-02-20T08:12:45.21 0.1 undecidable manual P 145 71.2731 50 -0.23 87
GU.PCP.HHZ. 2024-02-20T08:12:44.35 0.3 undecidable manual P 267 62.9925 50 0.19 67
GU.RNCA.HHZ. 2024-02-20T08:12:44.18 0.3 undecidable manual S 249 32.9448 50 -0.29 69
GU.GRAM.HHZ. 2024-02-20T08:12:43.86 0.1 undecidable manual P 99 58.0974 50 0.45 85
IV.MSSA.HHZ. 2024-02-20T08:12:43.90 0.3 undecidable manual S 154 32.1456 50 -0.35 68
IV.BOB.HHZ. 2024-02-20T08:12:40.96 0.3 undecidable manual S 22 22.755 112 -0.38 69
IV.MSSA.HHZ. 2024-02-20T08:12:39.12 0.1 undecidable manual P 154 32.1456 50 -0.29 92
GU.RNCA.HHZ. 2024-02-20T08:12:39.45 0.1 undecidable manual P 249 32.9448 50 -0.09 96
IV.BOB.HHZ. 2024-02-20T08:12:37.60 0.1 undecidable manual P 22 22.755 112 -0.13 97
GU.GORR.HHZ. 2024-02-20T08:12:36.51 0.3 undecidable manual S 311 4.995 151 0.05 76
GU.GORR.HHZ. 2024-02-20T08:12:35.05 0.1 undecidable manual P 311 4.995 151 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BOB.HHE. ML:2.0 0.000694 0.78 AML other m 2024-02-20T08:12:41.06
IV.BOB.HNE. ML:2.0 0.0006060000000000001 0.76 AML other m 2024-02-20T08:12:41.07
IV.BOB.HHN. ML:2.1 0.000794 0.72 AML other m 2024-02-20T08:12:41.87
IV.BOB.HNN. ML:2.1 0.000751 0.72 AML other m 2024-02-20T08:12:41.87
GU.RNCA.HHN. ML:2.0 0.00041200000000000004 0.48 AML other m 2024-02-20T08:12:44.66
GU.RNCA.HHE. ML:2.3 0.0008565000000000001 0.14 AML other m 2024-02-20T08:12:45.25
GU.GRAM.HHN. ML:1.9 0.000186 0.98 AML other m 2024-02-20T08:12:52.85
GU.GRAM.HHE. ML:2.0 0.0001995 0.52 AML other m 2024-02-20T08:12:53.34
GU.PCP.HHE. ML:1.4 0.00004915 0.58 AML other m 2024-02-20T08:12:55.00
GU.PCP.HHN. ML:1.5 0.00005815 1.3 AML other m 2024-02-20T08:12:57.21
GU.CANO.HHN. ML:0.0 0.00013450000000000002 0.26 AML other m 2024-02-20T08:13:04.60
GU.CANO.HHE. ML:0.0 0.0001628947 1.1008 AML other m 2024-02-20T08:13:12.57
GU.GORR.HHE. ML:2.7 0.0089736845 0.1216 AML other m 2024-02-20T08:12:36.56
GU.GORR.HHN. ML:2.5 0.0060230844999999995 0.1024 AML other m 2024-02-20T08:12:36.74
IV.MSSA.HHE. ML:2.4 0.00101774875 0.1216 AML other m 2024-02-20T08:12:44.67
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
Waveforms Seismic signals in miniseed + resp format Download