Earthquake with magnitude of ML 1.9 on date 03-05-2021 and time 10:12:14 (UTC) in region 4 km N Montieri (GR)

A magnitude ML 1.9 earthquake occured in region: 4 km N Montieri (GR), on

  • 03-05-2021 10:12:14 (UTC)
  • 03-05-2021 12:12:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1640, 11.0180 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
Montieri GR 4 1204 1204
Chiusdino SI 6 1903 3107
Castelnuovo di Val di Cecina PI 10 2231 5338
Radicondoli SI 11 914 6252
Monterotondo Marittimo GR 13 1371 7623
Monticiano SI 14 1571 9194
Massa Marittima GR 16 8375 17569
Pomarance PI 19 5897 23466
Casole d'Elsa SI 20 3897 27363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km SW of Siena (53903 inhabitants)
46 Km N of Grosseto (82087 inhabitants)
68 Km S of Scandicci (50609 inhabitants)
70 Km S of Firenze (382808 inhabitants)
72 Km SE of Livorno (159219 inhabitants)
78 Km W of Arezzo (99543 inhabitants)
79 Km SE of Pisa (89158 inhabitants)
80 Km S of Prato (191150 inhabitants)
86 Km S of Pistoia (90315 inhabitants)
86 Km SE of Lucca (89046 inhabitants)
100 Km SE of Viareggio (62467 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 1.9 2021-05-03
10:12:14
43.1643 11.0178 10 2021-12-29
11:12:00
Bollettino Sismico Italiano INGV 90447321
Reviewed
Rev100
ML 2.0 2021-05-03
10:12:14
43.1667 11.0207 11 2021-05-03
10:22:37
Sala Sismica INGV-Roma 89738611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-03 10:12:14 ± 0.1
Latitude 43.1643 ± 0.0045
Longitude 11.0178 ± 0.0074
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 90447321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 546
Semi-minor axis of confidence ellipse (meter) 462
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.09713
Epicentral distance of station farthest from the epicenter (degree) 1.03962
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 90447321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-24 10:48:07

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 89738611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-03 10:22:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELB.HHZ. 2021-05-03T10:12:39.03 0.6 undecidable manual S 235 80.2641 50 0.33 42
IV.PII.HHZ. 2021-05-03T10:12:36.75 0.6 undecidable manual S 327 73.4709 50 -0.14 45
IV.LMD.HHZ. 2021-05-03T10:12:34.63 0.1 undecidable manual P 28 115.3956 50 0.7 70
TV.SF04.EHZ. 2021-05-03T10:12:33.83 0.6 undecidable manual S 125 63.5919 50 -0.43 43
TV.SF01.EHZ. 2021-05-03T10:12:32.92 0.6 undecidable manual S 131 59.0964 50 -0.11 46
IV.BDI.HHZ. 2021-05-03T10:12:32.79 0.1 undecidable manual P 341 105.3168 50 0.43 79
IV.ARCI.HHZ. 2021-05-03T10:12:30.51 0.6 undecidable manual S 133 50.8158 50 -0.32 45
IV.RINC.HHZ. 2021-05-03T10:12:30.62 0.3 undecidable manual P 30 93.0402 50 0.14 64
IV.MPPT.EHZ. 2021-05-03T10:12:29.61 0.1 undecidable manual P 4 88.1451 50 -0.12 87
IV.RUFI.EHZ. 2021-05-03T10:12:29.11 0.3 undecidable manual P 28 84.5487 50 -0.06 67
IV.CAFI.HHZ. 2021-05-03T10:12:28.12 0.3 undecidable manual P 76 78.7656 50 -0.16 66
IV.CELB.HHZ. 2021-05-03T10:12:28.88 0.6 undecidable manual P 235 80.2641 50 0.37 42
IV.CASP.HHZ. 2021-05-03T10:12:28.89 0.6 undecidable manual S 197 43.2234 50 0.07 48
IV.SACS.HHZ. 2021-05-03T10:12:28.67 0.3 undecidable manual P 115 80.364 50 0.15 66
IV.PII.HHZ. 2021-05-03T10:12:27.67 0.1 undecidable manual P 327 73.4709 50 0.21 88
TV.SF01.EHZ. 2021-05-03T10:12:25.54 0.1 undecidable manual P 131 59.0964 50 0.3 89
TV.SF04.EHZ. 2021-05-03T10:12:25.73 0.1 undecidable manual P 125 63.5919 50 -0.21 89
IV.MAGO.CHZ. 2021-05-03T10:12:25.00 0.3 undecidable manual S 293 31.5462 50 -0.68 62
IV.ARCI.HHZ. 2021-05-03T10:12:24.28 0.1 undecidable manual P 133 50.8158 50 0.32 90
IV.RIBO.EHZ.01 2021-05-03T10:12:23.30 0.3 undecidable manual S 174 23.9538 113 -0.31 71
IV.CASP.HHZ. 2021-05-03T10:12:22.97 0.1 undecidable manual P 197 43.2234 50 0.17 94
IV.CSNT.HHZ. 2021-05-03T10:12:21.63 0.1 positive manual P 33 40.7259 50 -0.78 78
IV.MAGO.CHZ. 2021-05-03T10:12:20.81 0.1 undecidable manual P 293 31.5462 50 -0.18 95
IV.TRIF.CHZ. 2021-05-03T10:12:19.52 0.3 undecidable manual S 240 10.7781 133 -0.18 74
IV.RIBO.EHZ.01 2021-05-03T10:12:19.81 0.1 undecidable manual P 174 23.9538 113 0.01 100
IV.TRIF.CHZ. 2021-05-03T10:12:17.68 0.1 positive manual P 240 10.7781 133 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHE. ML:2.7 0.006471631 0.1664 AML other m 2021-05-03T10:12:20.33
IV.TRIF.CHN. ML:2.7 0.005714914999999999 0.1984 AML other m 2021-05-03T10:12:20.62
IV.MAGO.CHE. ML:0.0 0.00043286729999999997 0.0896 AML other m 2021-05-03T10:12:26.12
IV.MAGO.CHN. ML:0.0 0.0005324864999999999 0.128 AML other m 2021-05-03T10:12:25.92
IV.CSNT.HHN. ML:2.2 0.000527 0.22 AML other m 2021-05-03T10:12:26.56
IV.CSNT.HHE. ML:1.8 0.00022577939999999998 0.1984 AML other m 2021-05-03T10:12:26.79
IV.CASP.HHN. ML:2.1 0.00042753579999999994 0.32 AML other m 2021-05-03T10:12:29.33
IV.ARCI.HHE. ML:2.0 0.00027200035 0.16 AML other m 2021-05-03T10:12:31.44
IV.ARCI.HHN. ML:1.9 0.00019250000000000002 0.14 AML other m 2021-05-03T10:12:31.44
IV.CASP.HHE. ML:1.9 0.00023890475 0.3392 AML other m 2021-05-03T10:12:29.28
TV.SF01.EHN. ML:1.9 0.00016851574999999998 0.7232 AML other m 2021-05-03T10:12:39.25
TV.SF04.EHN. ML:2.1 0.0002411298 0.1408 AML other m 2021-05-03T10:12:35.46
TV.SF04.EHE. ML:2.2 0.000272 0.18 AML other m 2021-05-03T10:12:35.77
IV.CAFI.HHN. ML:1.4 0.0000412 0.22 AML other m 2021-05-03T10:12:36.74
TV.SF01.EHE. ML:1.9 0.00016244753 0.3584 AML other m 2021-05-03T10:12:39.63
IV.PII.HHN. ML:1.9 0.000121 0.34 AML other m 2021-05-03T10:12:38.37
IV.CAFI.HHE. ML:1.5 0.000045019464999999996 0.3008 AML other m 2021-05-03T10:12:36.73
IV.PII.HHE. ML:1.8 0.000096840155 0.4608 AML other m 2021-05-03T10:12:41.20
IV.RINC.HHE. ML:1.8 0.000073178065 0.2176 AML other m 2021-05-03T10:12:42.37
IV.MPPT.EHN. ML:1.6 0.000050572205 0.3648 AML other m 2021-05-03T10:12:42.84
IV.MPPT.EHE. ML:1.7 0.000065048155 0.4992 AML other m 2021-05-03T10:12:45.21
IV.RINC.HHN. ML:1.8 0.000069541065 0.7616 AML other m 2021-05-03T10:12:51.28
IV.RIBO.EHE.01 ML:2.3 0.0013291079999999999 0.1792 AML other m 2021-05-03T10:12:23.38
IV.ARCI.HNE. ML:2.0 0.0002810508 0.1408 AML other m 2021-05-03T10:12:31.52
IV.ARCI.HNN. ML:2.0 0.0002875831 0.128 AML other m 2021-05-03T10:12:31.16
IV.RUFI.EHN. ML:1.9 0.00009301467 0.5568 AML other m 2021-05-03T10:12:41.78
IV.RUFI.EHE. ML:1.8 0.00008659385 0.4992 AML other m 2021-05-03T10:12:44.92
IV.BDI.HHN. ML:1.7 0.000047334470000000004 0.3968 AML other m 2021-05-03T10:12:51.71
IV.BDI.HHE. ML:1.7 0.00004890078 0.64 AML other m 2021-05-03T10:12:49.99
IV.LMD.HHE. ML:1.6 0.000037078745 0.3456 AML other m 2021-05-03T10:12:49.65
IV.LMD.HHN. ML:1.8 0.00005186021 0.48 AML other m 2021-05-03T10:12:50.61
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
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