Earthquake with magnitude of ML 0.7 on date 23-08-2024 and time 11:00:26 (UTC) in region 8 km NW San Godenzo (FI)

A magnitude ML 0.7 earthquake occured in region: 8 km NW San Godenzo (FI), on

  • 23-08-2024 11:00:26 (UTC)
  • 23-08-2024 13:00:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9800, 11.5600 at 12 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
San Godenzo FI 8 1167 1167
Vicchio FI 9 8044 9211
Dicomano FI 10 5515 14726
Marradi FI 12 3139 17865
Londa FI 13 1840 19705
Borgo San Lorenzo FI 14 18211 37916
Palazzuolo sul Senio FI 15 1154 39070
Premilcuore FC 17 799 39869
Rufina FI 18 7346 47215
Portico e San Benedetto FC 19 756 47971
Tredozio FC 19 1212 49183
Scarperia e San Piero FI 19 12217 61400

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Firenze (382808 inhabitants)
39 Km E of Prato (191150 inhabitants)
39 Km NE of Scandicci (50609 inhabitants)
43 Km SW of Faenza (58541 inhabitants)
43 Km S of Imola (69797 inhabitants)
47 Km SW of Forlì (117913 inhabitants)
52 Km E of Pistoia (90315 inhabitants)
57 Km W of Cesena (96758 inhabitants)
60 Km SE of Bologna (386663 inhabitants)
63 Km NW of Arezzo (99543 inhabitants)
71 Km SW of Ravenna (159116 inhabitants)
76 Km N of Siena (53903 inhabitants)
81 Km W of Rimini (147750 inhabitants)
86 Km E of Lucca (89046 inhabitants)
90 Km SE of Modena (184973 inhabitants)
95 Km S of Ferrara (133155 inhabitants)
97 Km E of Pisa (89158 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 0.7 2024-08-23
11:00:26
43.98 11.5605 12 2024-08-23
11:11:44
Sala Sismica INGV-Roma 130915241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-23 11:00:26 ± 0.09
Latitude 43.9800 ± 0.0036
Longitude 11.5605 ± 0.0050
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130915241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 428
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21943
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 130915241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-23 11:11:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMGO.HHZ. 2024-08-23T11:02:12.84 3.0 positive manual Pg 11.05 0
IV.RNI2.HHZ. 2024-08-23T11:01:55.21 3.0 undecidable manual Sg 4.14 0
IV.SMA1.EHZ. 2024-08-23T11:01:25.01 3.0 undecidable manual Sg 0.99 0
NI.POLC.HHZ. 2024-08-23T11:01:23.04 3.0 undecidable manual Sn 0.29 0
IV.MF5.EHZ. 2024-08-23T11:01:13.03 3.0 undecidable manual Sn -5.52 0
IV.VVLD.HHZ. 2024-08-23T11:01:08.44 3.0 positive manual Pg 0.46 0
IV.SNTG.HHZ. 2024-08-23T11:00:46.25 3.0 undecidable manual Pg -2.01 0
IV.NARO.HHZ. 2024-08-23T11:00:39.14 3.0 undecidable manual Pg -1.51 0
IV.SFI.HNE. 2024-08-23T11:00:35.40 0.6 undecidable manual S 110 24.3534 93 0.3 46
IV.SEI.HHZ. 2024-08-23T11:00:33.39 0.6 undecidable manual S 297 18.0708 97 -0.04 49
IV.RUFI.EHZ. 2024-08-23T11:00:32.99 0.3 undecidable manual S 195 16.2726 100 0.04 74
IV.BOSL.HHN. 2024-08-23T11:00:32.67 0.3 undecidable manual S 250 15.873 101 -0.16 72
IV.RINC.EHZ. 2024-08-23T11:00:31.65 0.3 undecidable manual S 160 10.9779 120 0.02 75
IT.MRR.HGZ. 2024-08-23T11:00:31.41 0.3 undecidable manual S 20 9.879 125 0.03 75
IV.SFI.HNE. 2024-08-23T11:00:30.79 0.3 undecidable manual P 110 24.3534 93 -0.52 66
IV.VMGN.HHN. 2024-08-23T11:00:30.21 0.3 undecidable manual S 218 3.5964 158 -0.11 74
IV.RUFI.EHZ. 2024-08-23T11:00:30.08 0.6 undecidable manual P 195 16.2726 100 0.01 50
IV.BOSL.HHN. 2024-08-23T11:00:30.12 0.1 undecidable manual P 250 15.873 101 0.12 97
IV.SEI.HHZ. 2024-08-23T11:00:30.33 0.6 undecidable manual P 297 18.0708 97 -0.02 49
IT.MRR.HGZ. 2024-08-23T11:00:29.30 0.6 undecidable manual P 20 9.879 125 0.14 49
IV.RINC.EHZ. 2024-08-23T11:00:29.48 0.6 negative manual P 160 10.9779 120 0.17 48
IV.VMGN.HHN. 2024-08-23T11:00:28.64 0.1 undecidable manual P 218 3.5964 158 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RINC.EHE. ML:0.6 0.000043568025 0.24 AML other m 2024-08-23T11:00:31.85
IV.RINC.EHN. ML:0.8 0.00006569039999999999 0.28 AML other m 2024-08-23T11:00:31.98
IV.SEI.HHE. ML:0.5 0.000025108535 0.3 AML other m 2024-08-23T11:00:34.72
IV.SEI.HHN. ML:0.7 0.00004081297 0.38 AML other m 2024-08-23T11:00:33.60
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download