Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 10-07-2023 and time 04:52:42 (Italy) in region 4 km W Monterotondo Marittimo (GR)

A magnitude ML 2.3 earthquake occured in region: 4 km W Monterotondo Marittimo (GR), on

  • 10-07-2023 02:52:42 (UTC)
  • 10-07-2023 04:52:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1640, 10.8080 at 8 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monterotondo Marittimo GR 4 1371 1371
Monteverdi Marittimo PI 8 758 2129
Castelnuovo di Val di Cecina PI 9 2231 4360
Sassetta LI 14 514 4874
Suvereto LI 14 3072 7946
Massa Marittima GR 14 8375 16321
Castagneto Carducci LI 16 9010 25331
Pomarance PI 16 5897 31228
Montieri GR 17 1204 32432
Campiglia Marittima LI 19 13218 45650

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km W of Siena (53903 inhabitants)
51 Km NW of Grosseto (82087 inhabitants)
59 Km SE of Livorno (159219 inhabitants)
70 Km SE of Pisa (89158 inhabitants)
73 Km SW of Scandicci (50609 inhabitants)
77 Km SW of Firenze (382808 inhabitants)
80 Km SE of Lucca (89046 inhabitants)
83 Km S of Prato (191150 inhabitants)
86 Km S of Pistoia (90315 inhabitants)
90 Km SE of Viareggio (62467 inhabitants)
93 Km W of Arezzo (99543 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 2.3 2023-07-10
02:52:42		 43.1642 10.8083 8 2023-07-10
03:12:31		 Sala Sismica INGV-Roma 119125921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-10 02:52:42 ± 0.15
Latitude 43.1642 ± 0.0063
Longitude 10.8083 ± 0.0099
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119125921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 749
Semi-minor axis of confidence ellipse (meter) 636
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 89
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.18171
Number of stations at which the event was observed 73
Number of stations from which data was used for origin computation 35
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 69
Type of magnitude ML
Reference to an origin 119125921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-10 03:12:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SATI.HHZ. 2023-07-10T02:54:33.13 3.0 undecidable manual Sg 15.78 0
MN.TIR.HHZ. 2023-07-10T02:54:28.17 3.0 positive manual Pn 3.14 0
IV.HPAC.HHZ. 2023-07-10T02:54:26.11 3.0 undecidable manual Pn -2.3 0
IV.EPZF.HHZ. 2023-07-10T02:54:18.32 3.0 undecidable manual Pn 4.43 0
IV.TDS.HHZ. 2023-07-10T02:54:15.15 3.0 negative manual Pg 11.18 0
IV.ECTS.HHZ. 2023-07-10T02:54:15.20 3.0 undecidable manual Pn 0.57 0
CH.BERNI.HHZ. 2023-07-10T02:54:13.19 3.0 undecidable manual Sn -1.07 0
IV.IVPL.HHZ. 2023-07-10T02:54:11.09 3.0 negative manual Pn 3.04 0
IV.GATE.HHZ. 2023-07-10T02:53:37.94 3.0 undecidable manual Pn 1.12 0
SI.KOSI.HHZ. 2023-07-10T02:53:36.53 3.0 negative manual Pn 2.17 0
GU.CIRO.HHZ. 2023-07-10T02:53:35.21 3.0 undecidable manual Pn 0.45 0
NI.PALA.HHZ. 2023-07-10T02:53:34.60 3.0 undecidable manual Pn -1.35 0
GU.SATI.HHZ. 2023-07-10T02:53:34.93 3.0 undecidable manual Pn -0.71 0
ST.ZIAN.EHZ. 2023-07-10T02:53:33.98 3.0 positive manual Pn 1.87 0
GU.TRAV.HHZ. 2023-07-10T02:53:33.46 3.0 positive manual Pn 0.79 0
GU.BHB.HHZ. 2023-07-10T02:53:30.82 3.0 negative manual Pn 0.35 0
GU.PZZ.HHZ. 2023-07-10T02:53:29.25 3.0 negative manual Pn -0.33 0
SI.LUSI.HHZ. 2023-07-10T02:53:28.47 3.0 negative manual Pn 1.37 0
ST.DOSS.HHZ. 2023-07-10T02:53:27.98 3.0 positive manual Pn 1.77 0
ST.VARA.EHZ. 2023-07-10T02:53:27.18 3.0 negative manual Pn 1.93 0
GU.PCP.HHZ. 2023-07-10T02:53:24.19 3.0 positive manual Pg 6.3 0
IV.LRP.EHZ. 2023-07-10T02:53:23.30 3.0 positive manual Pn -1.1 0
GU.GBOS.HHZ. 2023-07-10T02:53:21.10 3.0 undecidable manual Pn -0.48 0
IV.AGLI.HHZ. 2023-07-10T02:53:20.98 3.0 negative manual Pn -0.51 0
IV.CSP1.EHZ. 2023-07-10T02:53:17.73 3.0 positive manual Pg 4.36 0
IV.QLNO.HHZ. 2023-07-10T02:53:17.33 3.0 positive manual Pn -0.41 0
GU.GORR.HHZ. 2023-07-10T02:53:13.79 3.0 negative manual Pn 0.37 0
FR.SMPL.HHZ.00 2023-07-10T02:53:11.17 3.0 positive manual P 1.04 0
GU.GRAM.HHZ. 2023-07-10T02:53:10.52 3.0 positive manual P 2.28 0
IV.MCIV.CHZ. 2023-07-10T02:53:09.02 0.6 undecidable manual S 121 82.4508 50 1.05 31
IV.ASSB.HHZ. 2023-07-10T02:53:08.49 3.0 negative manual P 0.54 0
GU.MAIM.HHZ. 2023-07-10T02:53:08.05 0.6 undecidable manual S 343 86.8464 50 -1.11 30
IV.PIEI.HHZ. 2023-07-10T02:53:08.95 3.0 negative manual P 1.74 0
IV.MOMA.HHZ. 2023-07-10T02:53:08.85 3.0 negative manual P 1.13 0
IV.MURB.HHZ. 2023-07-10T02:53:07.16 3.0 negative manual P 0.64 0
IV.ATPI.EHZ. 2023-07-10T02:53:06.40 3.0 undecidable manual P 0.76 0
IV.ZCCA.HHZ. 2023-07-10T02:53:06.99 3.0 positive manual P 1.87 0
GU.GSCL.HHZ. 2023-07-10T02:53:05.74 3.0 negative manual P 0.64 0
GU.FIVI.HNN. 2023-07-10T02:53:05.13 0.6 undecidable manual P 336 131.1687 50 0.31 37
IV.ATMI.HHZ. 2023-07-10T02:53:04.22 0.1 undecidable manual P 80 119.3916 50 1.21 54
IV.CRMI.HHZ. 2023-07-10T02:53:04.67 0.6 undecidable manual S 11 71.373 50 -0.35 42
IV.ATMC.EHZ. 2023-07-10T02:53:03.57 0.3 undecidable manual P 74 116.0949 50 1.08 43
IV.CELB.HHZ. 2023-07-10T02:53:03.12 0.6 undecidable manual S 227 67.0773 50 -0.75 37
GU.EQUI.HHZ. 2023-07-10T02:53:03.19 3.0 undecidable manual P -0.62 0
IV.SFI.EHZ. 2023-07-10T02:53:03.77 0.1 undecidable manual P 45 117.1938 50 1.11 57
IV.PLMA.HHZ. 2023-07-10T02:53:03.35 1.0 positive manual P 322 124.5864 50 -0.46 18
GU.SARM.EHE. 2023-07-10T02:53:02.91 0.6 undecidable manual P 344 117.7932 50 0.16 40
IV.FNVD.HHZ. 2023-07-10T02:53:02.89 3.0 undecidable manual P 0.23 0
IV.SEI.HHZ. 2023-07-10T02:53:02.00 0.6 undecidable manual P 24 108.2139 50 0.73 34
IV.ARCI.HHZ. 2023-07-10T02:53:02.28 0.6 undecidable manual S 122 64.2912 50 -0.83 36
MN.VLC.HHZ. 2023-07-10T02:53:02.40 3.0 positive manual P -0.25 0
IV.MGAB.HHZ. 2023-07-10T02:53:01.99 1.0 undecidable manual P 104 109.3128 50 0.54 19
IV.CRE.HHZ. 2023-07-10T02:53:01.96 0.1 undecidable manual P 61 105.0171 50 1.17 57
IV.LATE.HHZ. 2023-07-10T02:53:01.43 0.3 undecidable manual P 127 101.4207 50 1.21 42
IV.MALA0.EHE. 2023-07-10T02:53:00.73 0.6 undecidable manual S 108 56.6988 50 -0.37 43
IV.MOCL.EHZ. 2023-07-10T02:53:00.32 1.0 negative manual P 18 97.9242 50 0.62 18
IV.MALA4.EHE. 2023-07-10T02:53:00.52 0.6 undecidable manual S 108 56.9985 50 -0.66 39
IV.MALA5.EHE. 2023-07-10T02:53:00.57 0.6 undecidable manual S 108 56.9985 50 -0.6 40
IV.BDI.HHZ. 2023-07-10T02:53:00.06 0.1 undecidable manual P 350 101.121 50 -0.13 83
IV.SACS.HHZ. 2023-07-10T02:53:00.49 1.0 undecidable manual P 111 95.9262 50 1.11 15
IV.MALA2.EHZ. 2023-07-10T02:53:00.45 0.6 undecidable manual S 108 57.0984 50 -0.76 38
IV.RUFI.EHN. 2023-07-10T02:52:59.37 0.1 undecidable manual P 37 93.6396 50 0.34 80
GU.POPM.HHZ. 2023-07-10T02:52:59.77 0.6 positive manual P 358 97.8243 50 0.1 42
IV.OSSC.HHZ. 2023-07-10T02:52:59.39 0.6 undecidable manual S 41 53.2023 50 -0.79 37
IV.CAFI.HHZ. 2023-07-10T02:52:59.76 0.1 positive manual P 79 95.3379 50 0.47 78
GU.CARD.HHZ. 2023-07-10T02:52:59.66 0.1 undecidable manual P 345 99.123 50 -0.22 82
IV.MPPT.EHZ. 2023-07-10T02:52:58.90 0.1 undecidable manual P 14 90.8424 50 0.29 82
IV.CSNT.HHZ. 2023-07-10T02:52:58.62 0.6 undecidable manual S 48 51.8037 50 -1.18 31
GU.MAIM.HHZ. 2023-07-10T02:52:57.72 0.1 positive manual P 343 86.8464 50 -0.27 83
IV.MCIV.CHZ. 2023-07-10T02:52:57.62 0.1 undecidable manual P 121 82.4508 50 0.32 83
TV.SF11.HHZ. 2023-07-10T02:52:56.89 0.1 undecidable manual P 115 77.8665 50 0.29 84
IV.CRMI.HHZ. 2023-07-10T02:52:55.66 0.1 undecidable manual P 11 71.373 50 0.06 89
IV.LOCA.HHE. 2023-07-10T02:52:55.81 0.6 undecidable manual S 67 39.9267 50 -0.81 38
IV.ARCI.HHZ. 2023-07-10T02:52:54.55 0.1 positive manual P 122 64.2912 50 0.05 90
IV.CELB.HHZ. 2023-07-10T02:52:54.91 0.1 undecidable manual P 227 67.0773 50 -0.03 90
IV.PII.HHZ. 2023-07-10T02:52:54.27 0.1 undecidable manual P 340 65.9895 50 -0.49 82
IV.MALA2.EHZ. 2023-07-10T02:52:53.47 0.1 undecidable manual P 108 57.0984 50 0.07 91
IV.MALA0.EHE. 2023-07-10T02:52:53.39 0.1 undecidable manual P 108 56.6988 50 0.05 92
IV.MALA4.EHE. 2023-07-10T02:52:53.44 0.1 undecidable manual P 108 56.9985 50 0.05 92
IV.MALA5.EHE. 2023-07-10T02:52:53.30 0.1 undecidable manual P 108 56.9985 50 -0.08 91
IV.CSNT.HHZ. 2023-07-10T02:52:52.32 0.1 undecidable manual P 48 51.8037 50 -0.27 88
IV.RIBO.EHZ.01 2023-07-10T02:52:52.96 0.6 undecidable manual S 141 30.747 104 -0.76 39
IV.OSSC.HHZ. 2023-07-10T02:52:52.67 0.1 undecidable manual P 41 53.2023 50 -0.14 91
IV.FROS.CHZ. 2023-07-10T02:52:52.51 0.6 undecidable manual S 80 28.5492 105 -0.5 44
IV.LOCA.HHE. 2023-07-10T02:52:50.48 0.1 undecidable manual P 67 39.9267 50 -0.27 90
IV.FROS.CHZ. 2023-07-10T02:52:48.52 0.1 positive manual P 80 28.5492 105 -0.15 95
IV.RIBO.EHZ.01 2023-07-10T02:52:48.86 0.1 positive manual P 141 30.747 104 -0.22 93
IV.TRIF.CHZ. 2023-07-10T02:52:46.59 0.3 undecidable manual S 126 9.3795 129 -0.35 70
IV.TRIF.CHZ. 2023-07-10T02:52:45.20 0.1 positive manual P 126 9.3795 129 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHN. ML:3.4 0.0342 0.14 AML other m 2023-07-10T02:52:47.15
IV.TRIF.CHE. ML:3.1 0.0213 0.22 AML other m 2023-07-10T02:52:47.59
IV.FROS.CHN. ML:3.0 0.0047 0.14 AML other m 2023-07-10T02:52:53.88
IV.RIBO.EHN.01 ML:3.1 0.006655 1.28 AML other m 2023-07-10T02:52:54.71
IV.RIBO.EHE.01 ML:3.1 0.005725 0.84 AML other m 2023-07-10T02:52:54.45
IV.PII.HHE. ML:2.6 0.00084362375 0.32 AML other m 2023-07-10T02:53:05.57
IV.PII.HHN. ML:2.6 0.000763487 0.2992 AML other m 2023-07-10T02:53:05.37
IV.FROS.CHE. ML:2.8 0.00339 0.38 AML other m 2023-07-10T02:52:56.18
IV.MCIV.CHE. ML:2.5 0.00042637225000000003 2.472 AML other m 2023-07-10T02:53:09.22
IV.MALA2.EHE. ML:2.4 0.0005025 0.14 AML other m 2023-07-10T02:53:01.25
IV.MALA2.EHN. ML:2.4 0.0004935 0.84 AML other m 2023-07-10T02:53:01.48
IV.BDI.HHE. ML:2.2 0.00014171285 3.4 AML other m 2023-07-10T02:53:18.20
IV.ARCI.HNE. ML:2.4 0.0005225 0.82 AML other m 2023-07-10T02:53:04.83
IV.ARCI.HHE. ML:2.5 0.0005620000000000001 0.8 AML other m 2023-07-10T02:53:04.42
IV.ARCI.HNN. ML:2.5 0.0005595 1.18 AML other m 2023-07-10T02:53:05.69
IV.ARCI.HHN. ML:2.5 0.0005960000000000001 1.18 AML other m 2023-07-10T02:53:05.69
IV.CRMI.HHN. ML:2.1 0.00020150000000000002 0.3 AML other m 2023-07-10T02:53:05.54
IV.CRMI.HHE. ML:1.9 0.000134 0.38 AML other m 2023-07-10T02:53:05.36
IV.CELB.HHN. ML:2.6 0.000793 0.1 AML other m 2023-07-10T02:53:06.23
IV.CELB.HHE. ML:2.7 0.00098 0.86 AML other m 2023-07-10T02:53:06.69
IV.SACS.HHE. ML:1.8 0.0000747 0.56 AML other m 2023-07-10T02:53:07.69
TV.SF11.HHE. ML:2.7 0.0007935 0.84 AML other m 2023-07-10T02:53:08.98
IV.SACS.HHN. ML:1.8 0.0000761 0.66 AML other m 2023-07-10T02:53:08.99
GU.MAIM.HHE. ML:2.1 0.0001635 0.66 AML other m 2023-07-10T02:53:09.03
IV.MCIV.CHN. ML:2.7 0.000672 0.98 AML other m 2023-07-10T02:53:09.97
IV.MGAB.HHE. ML:2.0 0.00009655 0.58 AML other m 2023-07-10T02:53:09.44
TV.SF11.HHN. ML:2.5 0.00048450000000000007 0.26 AML other m 2023-07-10T02:53:10.18
IV.PLMA.HHE. ML:2.3 0.00012770000000000001 0.38 AML other m 2023-07-10T02:53:10.19
IV.PLMA.HHN. ML:2.2 0.000118 0.4 AML other m 2023-07-10T02:53:10.19
IV.ATMI.HHE. ML:2.5 0.000261 0.52 AML other m 2023-07-10T02:53:11.00
IV.MPPT.EHE. ML:2.0 0.000132 0.44 AML other m 2023-07-10T02:53:12.04
IV.ATMI.HHN. ML:2.4 0.0001955 0.72 AML other m 2023-07-10T02:53:12.35
GU.MAIM.HHN. ML:2.3 0.0002485 0.44 AML other m 2023-07-10T02:53:13.42
IV.MPPT.EHN. ML:2.0 0.0001085 0.26 AML other m 2023-07-10T02:53:13.21
GU.CARD.HHE. ML:2.4 0.000235 1.58 AML other m 2023-07-10T02:53:13.88
GU.POPM.HHN. ML:2.5 0.000324 0.54 AML other m 2023-07-10T02:53:14.72
GU.POPM.HHE. ML:2.4 0.000256 0.28 AML other m 2023-07-10T02:53:14.74
IV.MOCL.EHN. ML:2.1 0.00013000000000000002 0.42 AML other m 2023-07-10T02:53:14.66
GU.CARD.HHN. ML:2.4 0.0002385 1.58 AML other m 2023-07-10T02:53:14.09
IV.ASSB.HHE. ML:1.8 0.0000362 0.98 AML other m 2023-07-10T02:53:15.91
IV.BDI.HHN. ML:2.2 0.0001545 0.72 AML other m 2023-07-10T02:53:15.63
IV.LATE.HHE. ML:2.5 0.00032599999999999996 0.92 AML other m 2023-07-10T02:53:17.66
IV.MOCL.EHE. ML:2.1 0.000135 0.44 AML other m 2023-07-10T02:53:17.87
IV.MOMA.HHN. ML:1.7 0.000027 0.8 AML other m 2023-07-10T02:53:18.76
IV.ATPI.EHE. ML:1.9 0.00005505 0.7 AML other m 2023-07-10T02:53:18.19
IV.MOMA.HHE. ML:1.8 0.00003460000000000001 0.82 AML other m 2023-07-10T02:53:18.84
IV.SEI.HHN. ML:2.6 0.000324 0.3 AML other m 2023-07-10T02:53:19.16
IV.CRE.HHE. ML:1.9 0.0000746 0.7 AML other m 2023-07-10T02:53:19.69
IV.SEI.HHE. ML:2.4 0.0002255 0.56 AML other m 2023-07-10T02:53:20.03
IV.MGAB.HHN. ML:2.0 0.0000948 0.9 AML other m 2023-07-10T02:53:20.59
IV.CRE.HHN. ML:1.9 0.00008180000000000001 1.56 AML other m 2023-07-10T02:53:20.98
IV.SFI.EHN. ML:2.0 0.00007415 0.64 AML other m 2023-07-10T02:53:21.59
IV.FNVD.HHN. ML:2.2 0.0001365 0.76 AML other m 2023-07-10T02:53:22.84
IV.ASSB.HHN. ML:1.9 0.000039149999999999996 0.36 AML other m 2023-07-10T02:53:22.68
IV.SFI.EHE. ML:2.0 0.00008075 0.42 AML other m 2023-07-10T02:53:22.81
IV.LATE.HHN. ML:2.5 0.00029549999999999997 1.62 AML other m 2023-07-10T02:53:25.03
GU.GSCL.HHE. ML:2.3 0.00013450000000000002 0.72 AML other m 2023-07-10T02:53:25.11
GU.GSCL.HHN. ML:2.3 0.000135 0.26 AML other m 2023-07-10T02:53:26.16
IV.FNVD.HHE. ML:2.2 0.000133 1.58 AML other m 2023-07-10T02:53:27.04
IV.ATPI.EHN. ML:1.8 0.0000473 1.02 AML other m 2023-07-10T02:53:27.33
IV.MURB.HHN. ML:2.5 0.000176 0.3 AML other m 2023-07-10T02:53:29.55
IV.MURB.HHE. ML:2.5 0.00018099999999999998 0.62 AML other m 2023-07-10T02:53:30.51
FR.SMPL.HHE.00 ML:1.9 0.00003255 0.44 AML other m 2023-07-10T02:53:35.85
FR.SMPL.HHN.00 ML:1.7 0.00002045 0.38 AML other m 2023-07-10T02:53:41.64
GU.GORR.HHE. ML:2.3 0.000056500000000000005 1.34 AML other m 2023-07-10T02:53:46.88
GU.GBOS.HHN. ML:1.8 0.0000092 0.32 AML other m 2023-07-10T02:53:50.76
GU.GBOS.HHE. ML:1.8 0.00000884 0.74 AML other m 2023-07-10T02:53:52.14
IV.AGLI.HHN. ML:2.0 0.00001535 1.36 AML other m 2023-07-10T02:53:52.16
IV.AGLI.HHE. ML:2.1 0.000019849999999999998 0.48 AML other m 2023-07-10T02:53:54.25
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