Earthquake with magnitude of ML 1.5 on date 22-07-2024 and time 01:23:36 (Italy) in region 3 km N Santo Stefano d'Aveto (GE)

A magnitude ML 1.5 earthquake occured in region: 3 km N Santo Stefano d'Aveto (GE), on

  • 21-07-2024 23:23:36 (UTC)
  • 22-07-2024 01:23:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5720, 9.4470 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
Santo Stefano d'Aveto GE 3 1126 1126
Rezzoaglio GE 7 995 2121
Ferriere PC 9 1294 3415
Ottone PC 11 516 3931
Fontanigorda GE 12 277 4208
Gorreto GE 13 97 4305
Rovegno GE 13 554 4859
Cerignale PC 14 127 4986
Montebruno GE 16 240 5226
Zerba PC 16 77 5303
Bedonia PR 17 3482 8785
Corte Brugnatella PC 17 586 9371
Fascia GE 17 81 9452
Tornolo PR 17 1010 10462
Borzonasca GE 17 2049 12511
Rondanina GE 18 62 12573
Farini PC 19 1290 13863
Compiano PR 19 1112 14975
Coli PC 19 879 15854
Favale di Malvaro GE 20 466 16320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Genova (586655 inhabitants)
57 Km SW of Piacenza (102191 inhabitants)
60 Km NW of La Spezia (93959 inhabitants)
72 Km SE of Pavia (72576 inhabitants)
74 Km W of Parma (192836 inhabitants)
75 Km NW of Carrara (63133 inhabitants)
76 Km E of Alessandria (93943 inhabitants)
77 Km SW of Cremona (71901 inhabitants)
81 Km NW of Massa (69479 inhabitants)
82 Km E of Savona (61345 inhabitants)
95 Km W of Reggio nell'Emilia (171345 inhabitants)
95 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 1.5 2024-07-21
23:23:36
44.5718 9.4472 10 2024-07-21
23:33:03
Sala Sismica INGV-Roma 130075181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-21 23:23:36 ± 0.11
Latitude 44.5718 ± 0.0063
Longitude 9.4472 ± 0.0076
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130075181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 653
Semi-minor axis of confidence ellipse (meter) 556
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64302
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 130075181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-21 23:33:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RCAV.EHZ. 2024-07-21T23:25:31.48 3.0 undecidable manual Sg 8.92 0
IV.MPNC.HHZ. 2024-07-21T23:25:30.17 3.0 negative manual Pn -0.45 0
IV.SACR.HHZ. 2024-07-21T23:24:53.32 3.0 positive manual Pn 1.03 0
IV.RIBO.EHZ.01 2024-07-21T23:24:41.87 3.0 undecidable manual Sg 2.21 0
IT.RMMM.HGZ. 2024-07-21T23:24:34.22 3.0 undecidable manual Pg 3.51 0
IV.FDMO.HHZ. 2024-07-21T23:24:21.29 3.0 undecidable manual Pn -4.32 0
GU.TRAV.HHZ. 2024-07-21T23:23:57.22 3.0 negative manual Pn 0.55 0
4P.IT07A.HHZ. 2024-07-21T23:23:52.02 0.6 undecidable manual S 42 45.4212 50 0.59 41
GU.GRAM.HHZ. 2024-07-21T23:23:52.43 0.6 undecidable manual S 100 49.7169 50 -0.13 46
GU.RNCA.HHZ. 2024-07-21T23:23:50.07 0.6 undecidable manual S 254 40.8258 50 -0.11 47
GU.PCP.HHZ. 2024-07-21T23:23:49.01 0.3 undecidable manual P 268 71.373 50 -0.09 67
IV.PLMA.HHZ. 2024-07-21T23:23:48.34 1.0 undecidable manual P 151 66.2781 50 0.02 23
IV.MSSA.HHZ. 2024-07-21T23:23:47.33 0.6 undecidable manual S 169 28.9488 50 0.32 46
GU.GRAM.HHZ. 2024-07-21T23:23:45.39 0.6 positive manual P 100 49.7169 50 -0.38 44
GU.RNCA.HHZ. 2024-07-21T23:23:44.38 0.1 undecidable manual P 254 40.8258 50 -0.01 95
4P.IT07A.HHZ. 2024-07-21T23:23:44.92 0.1 positive manual P 42 45.4212 50 -0.19 91
GU.GORR.HHZ. 2024-07-21T23:23:42.14 0.6 undecidable manual S 288 12.7761 127 0.12 49
IV.MSSA.HHZ. 2024-07-21T23:23:42.62 0.1 positive manual P 169 28.9488 50 0.06 97
GU.GORR.HHZ. 2024-07-21T23:23:39.70 0.1 negative manual P 288 12.7761 127 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHE. ML:1.5 0.00035350000000000003 0.8 AML other m 2024-07-21T23:23:42.32
GU.GORR.HHN. ML:1.5 0.00033899999999999995 0.12 AML other m 2024-07-21T23:23:42.55
IV.MSSA.HHE. ML:1.9 0.0004205 0.1 AML other m 2024-07-21T23:23:48.29
IV.MSSA.HHN. ML:1.7 0.000245 0.1 AML other m 2024-07-21T23:23:48.33
GU.GRAM.HHE. ML:1.3 0.00005155 0.82 AML other m 2024-07-21T23:23:53.05
4P.IT07A.HHN. ML:1.3 0.00006385 1.12 AML other m 2024-07-21T23:23:53.80
GU.GRAM.HHN. ML:1.4 0.00006205 1.16 AML other m 2024-07-21T23:23:53.61
4P.IT07A.HHE. ML:1.5 0.00008925 0.42 AML other m 2024-07-21T23:23:56.73
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