Earthquake with magnitude of ML 0.7 on date 15-07-2023 and time 15:53:54 (Italy) in region 2 km NE Castelfiorentino (FI)

A magnitude ML 0.7 earthquake occured in region: 2 km NE Castelfiorentino (FI), on

  • 15-07-2023 13:53:54 (UTC)
  • 15-07-2023 15:53:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6250, 10.9830 at 10 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
Castelfiorentino FI 2 17504 17504
Montespertoli FI 8 13537 31041
Certaldo FI 10 16121 47162
Gambassi Terme FI 10 4870 52032
Montaione FI 10 3700 55732
Empoli FI 11 48109 103841
San Miniato PI 12 27934 131775
Montelupo Fiorentino FI 12 14098 145873
Capraia e Limite FI 13 7670 153543
San Casciano in Val di Pesa FI 17 17062 170605
Tavarnelle Val di Pesa FI 17 7800 178405
Palaia PI 17 4612 183017
Cerreto Guidi FI 17 10870 193887
Barberino Val d'Elsa FI 18 4386 198273
San Gimignano SI 18 7820 206093
Fucecchio FI 18 23618 229711
Montopoli in Val d'Arno PI 19 11148 240859
Vinci FI 19 14604 255463
Lastra a Signa FI 19 20156 275619
Santa Croce sull'Arno PI 19 14601 290220
Signa FI 20 19179 309399

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of Scandicci (50609 inhabitants)
27 Km SW of Firenze (382808 inhabitants)
30 Km SW of Prato (191150 inhabitants)
35 Km S of Pistoia (90315 inhabitants)
44 Km NW of Siena (53903 inhabitants)
46 Km SE of Lucca (89046 inhabitants)
48 Km E of Pisa (89158 inhabitants)
55 Km E of Livorno (159219 inhabitants)
65 Km E of Viareggio (62467 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
82 Km SE of Massa (69479 inhabitants)
87 Km SE of Carrara (63133 inhabitants)
97 Km N of Grosseto (82087 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 0.7 2023-07-15
13:53:54
43.6253 10.9832 10 2024-09-10
16:44:17
Bollettino Sismico Italiano INGV 120851841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-15 13:53:54 ± 0.12
Latitude 43.6253 ± 0.0063
Longitude 10.9832 ± 0.0112
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120851841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 990
Semi-minor axis of confidence ellipse (meter) 294
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 51
Circular confidence region, given by single value of horizontal uncertainty (meter) 990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 120851841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-07 13:05:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.PDG.HHZ. 2023-07-15T13:55:48.69 3.0 undecidable manual Pg 20.719999 0
IV.MFNL.HHZ. 2023-07-15T13:55:41.53 3.0 undecidable manual Pg 16.190001 0
OX.MPRI.HHZ. 2023-07-15T13:55:31.61 3.0 undecidable manual Sg 10.12 0
IV.VARE.HHZ. 2023-07-15T13:55:19.14 3.0 undecidable manual Sg 3.81 0
GU.ENR.HHZ. 2023-07-15T13:55:14.13 3.0 undecidable manual Sn 1.22 0
MN.BLY.HHZ. 2023-07-15T13:55:13.48 3.0 undecidable manual Pn 7.4 0
GU.RORO.HHZ. 2023-07-15T13:55:11.23 3.0 undecidable manual Sg 10.06 0
IV.CAMP.HHZ. 2023-07-15T13:54:57.12 3.0 undecidable manual Sn -2.84 0
IV.FIAM.HHZ. 2023-07-15T13:54:56.93 3.0 undecidable manual Sn -2.72 0
IV.FDMO.HHZ. 2023-07-15T13:54:53.68 3.0 undecidable manual Sg 4.46 0
IV.NRCA.HHZ. 2023-07-15T13:54:53.29 3.0 undecidable manual Sg 1.56 0
GU.ROTM.HHZ. 2023-07-15T13:54:41.85 3.0 positive manual Pg 8.41 0
IV.VVLD.HHZ. 2023-07-15T13:54:37.00 3.0 undecidable manual Pn -1.87 0
IV.PE3.EHZ. 2023-07-15T13:54:31.16 3.0 undecidable manual S -4.66 0
IV.PE3.EHZ. 2023-07-15T13:54:19.49 3.0 positive manual P 1.51 0
GU.POPM.HHZ. 2023-07-15T13:54:10.49 0.6 undecidable manual S 339 49.9167 50 0.32 44
GU.MAIM.HHZ. 2023-07-15T13:54:09.79 0.3 undecidable manual S 309 50.7159 50 -0.57 62
IV.FROS.CHE. 2023-07-15T13:54:09.34 0.6 undecidable manual S 163 48.2184 50 -0.35 44
IV.LOCA.HHN. 2023-07-15T13:54:07.94 0.6 undecidable manual S 147 41.9247 50 -0.08 47
IV.PII.HHZ. 2023-07-15T13:54:06.66 0.3 undecidable manual S 286 38.3283 50 -0.4 67
IV.CSNT.HHZ. 2023-07-15T13:54:04.44 0.3 undecidable manual S 124 29.9478 50 -0.38 68
IV.FROS.CHE. 2023-07-15T13:54:03.41 0.1 undecidable manual P 163 48.2184 50 0.28 90
IV.OSSC.HHZ. 2023-07-15T13:54:03.01 0.6 undecidable manual S 118 23.9538 113 -0.16 48
GU.POPM.HHZ. 2023-07-15T13:54:03.67 0.1 undecidable manual P 339 49.9167 50 0.27 90
GU.MAIM.HHZ. 2023-07-15T13:54:03.62 0.1 undecidable manual P 309 50.7159 50 0.11 93
IV.MOCL.EHZ. 2023-07-15T13:54:02.89 0.1 undecidable manual P 21 45.0216 50 0.26 91
IV.LOCA.HHN. 2023-07-15T13:54:02.54 0.1 undecidable manual P 147 41.9247 50 0.38 89
IV.CRMI.HHZ. 2023-07-15T13:54:01.29 0.3 undecidable manual S 359 18.87 118 -0.3 71
IV.PII.HHZ. 2023-07-15T13:54:01.89 0.1 negative manual P 286 38.3283 50 0.29 91
IV.MPPT.EHN. 2023-07-15T13:54:01.44 0.3 undecidable manual P 13 37.8288 50 -0.09 71
IV.CSNT.HHZ. 2023-07-15T13:54:00.16 0.3 undecidable manual P 124 29.9478 50 -0.15 71
IV.OSSC.HHZ. 2023-07-15T13:53:59.32 0.3 negative manual P 118 23.9538 113 -0.04 74
IV.CRMI.HHZ. 2023-07-15T13:53:58.45 0.1 undecidable manual P 359 18.87 118 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRMI.HHN. ML:0.6 0.0000352 0.22 AML other m 2023-07-15T13:54:01.47
IV.CRMI.HHE. ML:0.6 0.0000347 0.32 AML other m 2023-07-15T13:54:02.03
IV.OSSC.HHE. ML:0.6 0.00002615 0.62 AML other m 2023-07-15T13:54:03.23
IV.OSSC.HHN. ML:0.5 0.0000223 0.94 AML other m 2023-07-15T13:54:03.30
IV.PII.HHE. ML:1.0 0.000032550000000000005 0.52 AML other m 2023-07-15T13:54:06.76
IV.PII.HHN. ML:1.0 0.000034149999999999997 0.48 AML other m 2023-07-15T13:54:09.35
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