Earthquake with magnitude of ML 2.0 on date 15-09-2021 and time 22:02:30 (UTC) in region 1 km SE Montieri (GR)

A magnitude ML 2.0 earthquake occured in region: 1 km SE Montieri (GR), on

  • 15-09-2021 22:02:30 (UTC)
  • 16-09-2021 00:02:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1280, 11.0250 at 9 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
Montieri GR 1 1204 1204
Chiusdino SI 6 1903 3107
Monticiano SI 13 1571 4678
Castelnuovo di Val di Cecina PI 13 2231 6909
Monterotondo Marittimo GR 14 1371 8280
Massa Marittima GR 14 8375 16655
Radicondoli SI 15 914 17569
Roccastrada GR 17 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Siena (53903 inhabitants)
41 Km N of Grosseto (82087 inhabitants)
71 Km S of Scandicci (50609 inhabitants)
74 Km S of Firenze (382808 inhabitants)
75 Km SE of Livorno (159219 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
83 Km SE of Pisa (89158 inhabitants)
84 Km S of Prato (191150 inhabitants)
90 Km S of Pistoia (90315 inhabitants)
90 Km SE of Lucca (89046 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 2.0 2021-09-15
22:02:30
43.1277 11.0247 9 2022-03-30
13:04:40
Bollettino Sismico Italiano INGV 101755401
Reviewed
Rev100
ML 2.0 2021-09-15
22:02:30
43.1283 11.0368 9 2021-09-15
22:10:42
Sala Sismica INGV-Roma 95481171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-15 22:02:30 ± 0.1
Latitude 43.1277 ± 0.0054
Longitude 11.0247 ± 0.0086
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101755401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 515
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 123
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.07019
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 55
Type of magnitude ML
Reference to an origin 101755401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-07 11:49:40

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 55
Type of magnitude ML
Reference to an origin 95481171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-15 22:10:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2021-09-15T22:03:03.70 3.0 positive manual Pn 0.86 0
IV.LMD.HHZ. 2021-09-15T22:02:51.32 0.3 undecidable manual P 27 118.7922 50 0.42 58
TV.SF04.EHZ. 2021-09-15T22:02:50.57 0.6 undecidable manual S 122 60.8946 50 0.45 43
IV.PARC.HHZ. 2021-09-15T22:02:50.50 0.3 undecidable manual P 59 113.6973 50 0.39 59
IV.SEI.HHZ. 2021-09-15T22:02:49.64 0.3 undecidable manual P 15 106.2159 50 0.67 55
IV.BDI.HHZ. 2021-09-15T22:02:49.92 0.3 undecidable manual P 342 109.3128 50 0.48 58
GU.POPM.HHZ. 2021-09-15T22:02:49.06 0.3 undecidable manual P 348 104.0181 50 0.43 60
IV.SFI.EHZ. 2021-09-15T22:02:49.79 0.3 undecidable manual P 37 108.7134 50 0.44 59
IV.SSP9.EHZ. 2021-09-15T22:02:48.78 0.3 undecidable manual P 61 102.12 50 0.45 60
IV.ASQU.HHZ. 2021-09-15T22:02:47.84 0.1 undecidable manual P 39 96.4257 50 0.38 82
IV.BOSL.HHZ. 2021-09-15T22:02:47.09 0.3 undecidable manual P 17 93.4398 50 0.09 65
GU.MAIM.HHZ. 2021-09-15T22:02:47.66 0.3 undecidable manual P 334 97.125 50 0.09 65
IV.CRE.HHZ. 2021-09-15T22:02:47.42 0.3 undecidable manual P 54 92.5407 50 0.57 59
IV.MPPT.EHZ. 2021-09-15T22:02:46.92 0.3 undecidable manual P 3 92.241 50 0.11 65
IV.RUFI.EHZ. 2021-09-15T22:02:46.36 0.6 undecidable manual P 26 87.9453 50 0.21 65
IV.MGAB.HHZ. 2021-09-15T22:02:46.76 0.3 undecidable manual P 105 91.3419 50 0.08 66
IV.OSSC.HHZ. 2021-09-15T22:02:45.56 0.3 undecidable manual S 22 47.4192 50 -0.96 54
IV.ARCI.HHZ. 2021-09-15T22:02:45.56 0.6 undecidable manual S 130 47.7189 50 -1.03 35
IV.CELB.HHZ. 2021-09-15T22:02:45.43 0.6 positive manual P 238 78.4659 50 0.74 56
IV.SACS.HHZ. 2021-09-15T22:02:44.93 0.3 undecidable manual P 113 78.1662 50 0.28 65
IV.CSNT.HHZ. 2021-09-15T22:02:44.33 0.6 undecidable manual S 29 43.9227 50 -1.26 31
IV.CAFI.HHZ. 2021-09-15T22:02:44.79 0.3 undecidable manual P 73 79.365 50 -0.03 68
IV.PII.HHZ. 2021-09-15T22:02:44.74 0.3 undecidable manual P 329 77.2671 50 0.24 65
IV.CASP.HHZ. 2021-09-15T22:02:43.70 0.3 undecidable manual S 199 39.5271 50 -0.72 61
IV.CRMI.HHZ. 2021-09-15T22:02:43.90 0.3 undecidable manual P 357 74.1702 50 -0.13 67
TV.SF04.EHZ. 2021-09-15T22:02:42.02 0.1 undecidable manual P 122 60.8946 50 0.04 94
IV.MCIV.CHZ. 2021-09-15T22:02:42.81 0.3 undecidable manual P 126 65.5899 50 0.11 69
IV.MAGO.CHZ. 2021-09-15T22:02:41.42 0.6 undecidable manual S 299 33.744 50 -1.46 29
IV.ARCI.HHZ. 2021-09-15T22:02:39.82 0.1 undecidable manual P 130 47.7189 50 -0.12 94
IV.OSSC.HHZ. 2021-09-15T22:02:39.55 0.1 undecidable manual P 22 47.4192 50 -0.36 90
IV.CASP.HHZ. 2021-09-15T22:02:38.68 0.1 undecidable manual P 199 39.5271 50 -0.01 98
IV.CSNT.HHZ. 2021-09-15T22:02:38.90 0.1 undecidable manual P 29 43.9227 50 -0.47 88
IV.MAGO.CHZ. 2021-09-15T22:02:37.42 0.3 undecidable manual P 299 33.744 50 -0.38 69
IV.RIBO.EHZ. 2021-09-15T22:02:37.92 0.6 undecidable manual S 175 19.869 113 -0.47 46
IV.TRIF.CHZ. 2021-09-15T22:02:35.31 0.6 undecidable manual S 262 9.9789 131 -0.14 50
IV.FROS.CHZ. 2021-09-15T22:02:35.87 0.3 undecidable manual S 49 13.9749 122 -0.71 64
IV.RIBO.EHZ. 2021-09-15T22:02:35.36 0.1 undecidable manual P 175 19.869 113 0.15 99
IV.FROS.CHZ. 2021-09-15T22:02:34.03 0.1 positive manual P 49 13.9749 122 -0.13 100
IV.TRIF.CHZ. 2021-09-15T22:02:33.69 0.1 undecidable manual P 262 9.9789 131 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHN. ML:2.6 0.006077455000000001 0.1152 AML other m 2021-09-15T22:02:35.56
IV.TRIF.CHE. ML:2.7 0.0075226505 0.128 AML other m 2021-09-15T22:02:35.76
IV.FROS.CHE. ML:3.0 0.011278988 1.808 AML other m 2021-09-15T22:02:35.94
IV.FROS.CHN. ML:2.9 0.008640297 0.1536 AML other m 2021-09-15T22:02:36.48
IV.RIBO.EHE.01 ML:3.0 0.008575659 0.1536 AML other m 2021-09-15T22:02:38.46
IV.MAGO.CHN. ML:2.2 0.00059888155 0.1024 AML other m 2021-09-15T22:02:42.38
IV.MAGO.CHE. ML:2.2 0.0006770000000000001 0.44 AML other m 2021-09-15T22:02:42.58
IV.CASP.HHN. ML:2.8 0.002479543 0.1024 AML other m 2021-09-15T22:02:43.85
IV.CASP.HHE. ML:2.7 0.0016996720000000002 1.8976 AML other m 2021-09-15T22:02:44.03
IV.CASP.HNN. ML:2.8 0.002541653 0.1152 AML other m 2021-09-15T22:02:44.03
IV.CASP.HNE. ML:2.7 0.001940628 0.1408 AML other m 2021-09-15T22:02:44.24
IV.CSNT.HHN. ML:2.3 0.00067399785 0.2176 AML other m 2021-09-15T22:02:44.51
IV.CSNT.HHE. ML:2.2 0.0005170183500000001 1.744 AML other m 2021-09-15T22:02:45.88
IV.OSSC.HHE. ML:2.1 0.00034250000000000003 0.48 AML other m 2021-09-15T22:02:45.90
IV.OSSC.HHN. ML:1.9 0.00021519965000000002 0.1152 AML other m 2021-09-15T22:02:46.26
IV.ARCI.HHE. ML:2.4 0.00073135445 0.2048 AML other m 2021-09-15T22:02:46.39
IV.ARCI.HNE. ML:2.4 0.0007038553 0.2048 AML other m 2021-09-15T22:02:46.39
IV.ARCI.HHN. ML:2.2 0.0004978965 0.2176 AML other m 2021-09-15T22:02:48.47
IV.ARCI.HNN. ML:2.2 0.00045818595 0.2176 AML other m 2021-09-15T22:02:48.47
TV.SF04.EHN. ML:2.8 0.0013160210000000001 1.7312 AML other m 2021-09-15T22:02:50.03
IV.MCIV.CHN. ML:2.2 0.00027629159999999995 0.192 AML other m 2021-09-15T22:02:52.90
IV.MCIV.CHE. ML:2.3 0.00033980255 0.3456 AML other m 2021-09-15T22:02:53.14
IV.CRMI.HHE. ML:1.6 0.00006380906999999999 0.4992 AML other m 2021-09-15T22:02:53.91
IV.CAFI.HHN. ML:1.5 0.00004466473 0.3072 AML other m 2021-09-15T22:02:54.12
IV.PII.HHN. ML:2.3 0.00029485519999999997 0.3456 AML other m 2021-09-15T22:02:54.52
IV.CRMI.HHN. ML:1.6 0.000058094325000000006 0.1536 AML other m 2021-09-15T22:02:54.53
IV.CELB.HHE. ML:2.4 0.0003675 0.06 AML other m 2021-09-15T22:02:55.88
IV.PII.HHE. ML:2.2 0.00020899999999999998 0.36 AML other m 2021-09-15T22:02:56.46
IV.CELB.HHN. ML:2.4 0.00032030411000000004 0.2432 AML other m 2021-09-15T22:02:57.16
IV.MPPT.EHE. ML:1.7 0.0000619 0.58 AML other m 2021-09-15T22:02:59.72
IV.SACS.HHE. ML:1.6 0.0000593 0.48 AML other m 2021-09-15T22:02:59.59
IV.RUFI.EHN. ML:1.7 0.0000653185805 1.6416 AML other m 2021-09-15T22:02:59.15
IV.BOSL.HHE. ML:1.8 0.00006535657 1.8208 AML other m 2021-09-15T22:03:00.02
IV.RUFI.EHE. ML:1.8 0.00006784985 0.3456 AML other m 2021-09-15T22:03:00.46
IV.BOSL.HHN. ML:1.8 0.00007489999999999999 0.16 AML other m 2021-09-15T22:03:00.51
GU.MAIM.HHE. ML:1.6 0.000042370754999999994 0.2304 AML other m 2021-09-15T22:03:00.61
IV.MPPT.EHN. ML:1.7 0.00006030000000000001 0.42 AML other m 2021-09-15T22:03:01.31
GU.MAIM.HHN. ML:1.7 0.00005665354 0.384 AML other m 2021-09-15T22:03:01.32
IV.ASQU.HHE. ML:1.6 0.0000465 0.36 AML other m 2021-09-15T22:03:02.52
IV.SACS.HHN. ML:1.3 0.000031650970000000004 0.384 AML other m 2021-09-15T22:03:02.41
IV.MGAB.HHE. ML:1.6 0.000048881765 0.4096 AML other m 2021-09-15T22:03:03.23
IV.CRE.HHN. ML:1.9 0.0000891 0.36 AML other m 2021-09-15T22:03:03.55
IV.CRE.HHE. ML:1.9 0.0000968 0.3 AML other m 2021-09-15T22:03:03.71
GU.POPM.HHE. ML:2.1 0.000117 1.72 AML other m 2021-09-15T22:03:03.09
IV.MGAB.HHN. ML:1.7 0.00005337690000000001 0.2688 AML other m 2021-09-15T22:03:04.17
GU.POPM.HHN. ML:2.0 0.00010109564500000002 1.7184 AML other m 2021-09-15T22:03:04.90
IV.BDI.HHN. ML:1.8 0.000058741840000000003 0.2432 AML other m 2021-09-15T22:03:04.86
IV.SFI.EHE. ML:1.8 0.0000505 0.74 AML other m 2021-09-15T22:03:05.33
IV.ASQU.HHN. ML:1.8 0.00005995 0.42 AML other m 2021-09-15T22:03:05.73
IV.SEI.HHE. ML:2.1 0.00012235060500000001 0.3584 AML other m 2021-09-15T22:03:06.82
IV.LMD.HHN. ML:1.7 0.00004161212 0.3072 AML other m 2021-09-15T22:03:07.64
IV.SEI.HHN. ML:2.4 0.0002195 0.34 AML other m 2021-09-15T22:03:08.69
IV.SFI.EHN. ML:1.6 0.0000360269 1.424 AML other m 2021-09-15T22:03:08.79
IV.BDI.HHE. ML:1.9 0.00006555 0.38 AML other m 2021-09-15T22:03:09.91
IV.LMD.HHE. ML:1.5 0.000027191679999999998 0.2688 AML other m 2021-09-15T22:03:12.94
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