Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 15-12-2014 and time 04:13:06 (Italy) in region 6 km NW Montieri (GR)

A magnitude ML 2.1 earthquake occured in region: 6 km NW Montieri (GR), on

  • 15-12-2014 03:13:06 (UTC)
  • 15-12-2014 04:13:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1850, 10.9860 at 7 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.

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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
Montieri GR 7 1204 1204
Castelnuovo di Val di Cecina PI 7 2231 3435
Chiusdino SI 9 1903 5338
Radicondoli SI 10 914 6252
Monterotondo Marittimo GR 11 1371 7623
Pomarance PI 16 5897 13520
Monticiano SI 17 1571 15091
Massa Marittima GR 17 8375 23466
Casole d'Elsa SI 18 3897 27363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Siena (53903 inhabitants)
48 Km N of Grosseto (82087 inhabitants)
66 Km S of Scandicci (50609 inhabitants)
68 Km SE of Livorno (159219 inhabitants)
69 Km SW of Firenze (382808 inhabitants)
76 Km SE of Pisa (89158 inhabitants)
78 Km S of Prato (191150 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
83 Km SE of Lucca (89046 inhabitants)
84 Km S of Pistoia (90315 inhabitants)
96 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 2.1 2014-12-15
03:13:06		 43.185 10.9862 7 2015-09-21
09:40:11		 Bollettino Sismico Italiano INGV 17456881
Reviewed
Rev100 		ML 2.1 2014-12-15
03:13:05		 43.1792 10.9885 9 2014-12-15
03:23:27		 Sala Sismica INGV-Roma 14675141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-12-15 03:13:06 ± 0.09
Latitude 43.1850 ± 0.0045
Longitude 10.9862 ± 0.0062
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 17456881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 452
Semi-minor axis of confidence ellipse (meter) 413
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 1.33010
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 17456881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-10 10:07:48

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 14675141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-12-15 03:23:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPI.EHZ. 2014-12-15T03:13:41.78 0.6 undecidable manual S 75 117.993 50 0.88 32
IV.LMD.HHZ. 2014-12-15T03:13:40.61 0.6 undecidable manual S 30 114.6963 50 0.61 36
IV.PARC.HHZ. 2014-12-15T03:13:40.31 0.1 undecidable manual S 63 113.2977 50 0.69 70
IV.ATTE.HHZ. 2014-12-15T03:13:38.59 0.3 undecidable manual S 89 110.6004 50 -0.32 59
IV.SFI.EHZ. 2014-12-15T03:13:38.40 0.3 undecidable manual S 41 105.7164 50 0.8 51
GU.CARD.HHZ. 2014-12-15T03:13:36.21 0.3 undecidable manual S 337 101.7204 50 -0.33 60
IV.BDI.HHZ. 2014-12-15T03:13:36.45 0.3 undecidable manual S 342 102.2199 50 -0.23 62
IV.ASQU.HHZ. 2014-12-15T03:13:34.02 0.6 undecidable manual S 43 93.7395 50 -0.39 40
IV.CRE.HHZ. 2014-12-15T03:13:33.81 0.3 undecidable manual S 58 91.5417 50 0 66
IV.MAON.HHZ. 2014-12-15T03:13:32.35 0.3 undecidable manual S 172 84.7485 50 0.33 62
IV.SSFR.HHZ. 2014-12-15T03:13:30.14 0.6 undecidable manual P 78 147.6411 50 -0.58 34
IV.RUFI.EHZ. 2014-12-15T03:13:30.96 0.3 undecidable manual S 30 83.7495 50 -0.8 53
IV.CAFI.HHZ. 2014-12-15T03:13:30.46 0.3 undecidable manual S 78 80.7636 50 -0.49 61
IV.PIEI.HHZ. 2014-12-15T03:13:28.02 0.1 undecidable manual P 72 130.869 50 -0.11 79
IV.MCIV.HHZ. 2014-12-15T03:13:28.02 0.6 undecidable manual S 129 71.8725 50 -0.56 40
IV.ATCC.EHZ. 2014-12-15T03:13:28.51 0.1 undecidable manual P 89 133.7661 50 -0.07 79
IV.CRMI.HHZ. 2014-12-15T03:13:27.40 0.3 undecidable manual S 360 67.7766 50 -0.07 68
IV.PII.HHZ. 2014-12-15T03:13:27.64 0.3 undecidable manual S 328 70.1742 50 -0.49 62
IV.APEC.HHZ. 2014-12-15T03:13:27.07 0.1 undecidable manual P 70 122.7882 50 0.18 79
IV.FIR.HHE. 2014-12-15T03:13:27.27 0.6 undecidable manual S 18 68.8755 50 -0.51 41
IV.LMD.HHZ. 2014-12-15T03:13:26.05 0.1 undecidable manual P 30 114.6963 50 0.41 77
IV.ATPI.EHZ. 2014-12-15T03:13:26.41 0.1 undecidable manual P 75 117.993 50 0.26 79
MN.VLC.HHZ. 2014-12-15T03:13:26.77 0.1 undecidable manual P 336 118.2927 50 0.57 73
IV.SFI.EHZ. 2014-12-15T03:13:25.02 0.1 undecidable manual P 41 105.7164 50 0.77 69
IV.PARC.HHZ. 2014-12-15T03:13:25.63 0.1 undecidable manual P 63 113.2977 50 0.21 81
IV.ATVO.HHZ. 2014-12-15T03:13:25.95 0.1 undecidable manual P 79 116.7942 50 -0.01 83
IV.ATTE.HHZ. 2014-12-15T03:13:24.89 0.1 undecidable manual P 89 110.6004 50 -0.12 82
IV.SSP9.EHZ. 2014-12-15T03:13:24.11 0.1 undecidable manual P 65 101.9202 50 0.44 78
IV.BDI.HHZ. 2014-12-15T03:13:23.89 0.1 undecidable manual P 342 102.2199 50 0.17 83
GU.POPM.HHZ. 2014-12-15T03:13:23.14 0.1 undecidable manual P 349 97.125 50 0.2 83
GU.CARD.HHZ. 2014-12-15T03:13:23.71 0.1 undecidable manual P 337 101.7204 50 0.07 85
IV.ASQU.HHZ. 2014-12-15T03:13:22.77 0.1 undecidable manual P 43 93.7395 50 0.36 81
IV.MTCR.EHZ. 2014-12-15T03:13:22.48 0.1 undecidable manual P 1 93.5397 50 0.1 86
IV.MGAB.HHZ. 2014-12-15T03:13:22.43 0.1 undecidable manual P 108 96.126 50 -0.35 81
IV.CRE.HHZ. 2014-12-15T03:13:22.56 0.1 undecidable manual P 58 91.5417 50 0.49 79
IV.LATE.HHZ. 2014-12-15T03:13:22.24 0.1 undecidable manual P 133 91.8414 50 0.12 86
IV.RUFI.EHZ. 2014-12-15T03:13:21.01 0.1 undecidable manual P 30 83.7495 50 0.13 87
GU.MAIM.HHZ. 2014-12-15T03:13:21.85 0.1 undecidable manual P 334 90.1431 50 -0.01 88
IV.MAON.HHZ. 2014-12-15T03:13:21.05 0.1 undecidable manual P 172 84.7485 50 0.02 89
IV.PTF.SHZ. 2014-12-15T03:13:21.27 0.1 undecidable manual P 4 86.247 50 0.01 89
IV.CAFI.HHZ. 2014-12-15T03:13:20.10 0.1 undecidable manual P 78 80.7636 50 -0.31 84
IV.SACS.HHZ. 2014-12-15T03:13:20.80 0.1 undecidable manual P 116 83.6496 50 -0.06 88
IV.MCIV.HHZ. 2014-12-15T03:13:18.72 0.1 undecidable manual P 129 71.8725 50 -0.33 85
IV.FIR.HHE. 2014-12-15T03:13:18.54 0.6 undecidable manual P 18 68.8755 50 -0.04 45
IV.CRMI.HHZ. 2014-12-15T03:13:18.16 0.1 undecidable manual P 360 67.7766 50 -0.24 87
IV.PII.HHZ. 2014-12-15T03:13:18.58 0.1 undecidable manual P 328 70.1742 50 -0.2 88
IV.CSNT.HHZ. 2014-12-15T03:13:18.53 0.6 undecidable manual S 37 40.3263 50 -1.62 25
IV.CSNT.HHZ. 2014-12-15T03:13:13.59 0.1 undecidable manual P 37 40.3263 50 -0.58 84
IV.FROS.HHZ. 2014-12-15T03:13:11.12 0.1 undecidable manual S 79 13.9749 116 -0.32 95
IV.TRIF.HHZ. 2014-12-15T03:13:10.14 0.1 undecidable manual S 221 10.2786 124 -0.19 98
IV.FROS.HHZ. 2014-12-15T03:13:09.21 0.1 negative manual P 79 13.9749 116 0.06 100
IV.TRIF.HHZ. 2014-12-15T03:13:08.67 0.1 undecidable manual P 221 10.2786 124 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHN. ML:2.1 0.0000865 0.38 AML other m 2014-12-15T03:13:50.16
IV.APEC.HHE. ML:2.1 0.0000886 0.48 AML other m 2014-12-15T03:13:52.01
IV.ASQU.HHE. ML:2.0 0.00011305000000000001 1.2 AML other m 2014-12-15T03:13:36.52
IV.ASQU.HHN. ML:1.9 0.00008669999999999999 0.74 AML other m 2014-12-15T03:13:39.18
IV.ATCC.EHN. ML:2.2 0.000088435 0.26 AML other m 2014-12-15T03:13:33.73
IV.ATCC.EHE. ML:2.2 0.00010395 0.54 AML other m 2014-12-15T03:13:52.87
IV.ATTE.HHN. ML:2.0 0.00008715 0.72 AML other m 2014-12-15T03:13:34.17
IV.ATTE.HHE. ML:1.9 0.00006970000000000001 1.58 AML other m 2014-12-15T03:13:31.65
IV.ATVO.HHE. ML:2.1 0.0000888 0.32 AML other m 2014-12-15T03:13:30.76
IV.ATVO.HHN. ML:2.1 0.00009025 0.48 AML other m 2014-12-15T03:13:34.04
IV.BDI.HHE. ML:1.8 0.00006715 1.42 AML other m 2014-12-15T03:13:41.99
IV.BDI.HHN. ML:1.8 0.0000617 0.84 AML other m 2014-12-15T03:13:40.88
IV.CAFI.HHE. ML:2.1 0.000192 0.64 AML other m 2014-12-15T03:13:21.67
IV.CAFI.HHN. ML:1.9 0.0001093 0.68 AML other m 2014-12-15T03:13:22.38
GU.CARD.HHN. ML:1.9 0.0000774 0.68 AML other m 2014-12-15T03:13:40.02
GU.CARD.HHE. ML:2.0 0.00009405 1.16 AML other m 2014-12-15T03:13:37.90
IV.CASP.HHE. ML:2.7 0.0014 0.74 AML other m 2014-12-15T03:13:20.24
IV.CASP.HHN. ML:2.7 0.001595 0.26 AML other m 2014-12-15T03:13:20.11
IV.CRE.HHN. ML:2.5 0.000336 0.28 AML other m 2014-12-15T03:13:35.27
IV.CRE.HHE. ML:2.3 0.000229 0.54 AML other m 2014-12-15T03:13:34.29
IV.CRMI.HHN. ML:1.2 0.0000309 0.58 AML other m 2014-12-15T03:13:29.81
IV.CRMI.HHE. ML:1.4 0.000037900000000000006 0.54 AML other m 2014-12-15T03:13:30.15
IV.CSNT.HHN. ML:2.5 0.0010715 0.38 AML other m 2014-12-15T03:13:18.86
IV.CSNT.HHE. ML:2.2 0.000533 0.34 AML other m 2014-12-15T03:13:19.09
IV.FROS.HHE. ML:3.0 0.01042 0.18 AML other m 2014-12-15T03:13:11.48
IV.FROS.HHN. ML:3.0 0.010685 0.36 AML other m 2014-12-15T03:13:11.49
IV.LATE.HHE. ML:1.8 0.00008175000000000001 1.58 AML other m 2014-12-15T03:13:39.32
IV.LATE.HHN. ML:2.2 0.0001875 0.58 AML other m 2014-12-15T03:13:37.69
IV.LMD.HHN. ML:2.1 0.00011249999999999998 0.96 AML other m 2014-12-15T03:13:43.81
IV.LMD.HHE. ML:2.1 0.00009779999999999999 0.46 AML other m 2014-12-15T03:13:41.41
IV.MAON.HHN. ML:2.3 0.000255 0.24 AML other m 2014-12-15T03:13:33.25
IV.MAON.HHE. ML:2.5 0.0003905 0.2 AML other m 2014-12-15T03:13:34.82
IV.MCIV.HHE. ML:2.4 0.00042100000000000004 0.2 AML other m 2014-12-15T03:13:26.90
IV.MCIV.HHN. ML:2.2 0.00028149999999999996 0.18 AML other m 2014-12-15T03:13:30.59
IV.MGAB.HHE. ML:2.0 0.00011449999999999999 0.7 AML other m 2014-12-15T03:13:25.77
IV.MGAB.HHN. ML:2.0 0.00011044999999999999 1.52 AML other m 2014-12-15T03:13:26.81
IV.MTCR.EHE. ML:2.0 0.00011549999999999999 1.58 AML other m 2014-12-15T03:13:29.24
IV.MTCR.EHN. ML:1.9 0.00008899999999999997 0.96 AML other m 2014-12-15T03:13:37.92
IV.OSSC.HHN. ML:2.4 0.0007654999999999999 0.42 AML other m 2014-12-15T03:13:20.01
IV.OSSC.HHE. ML:2.2 0.0005114999999999999 0.76 AML other m 2014-12-15T03:13:19.80
IV.PARC.HHN. ML:2.0 0.00008305 0.62 AML other m 2014-12-15T03:13:47.47
IV.PARC.HHE. ML:1.9 0.0000665 0.46 AML other m 2014-12-15T03:13:46.07
IV.PIEI.HHE. ML:1.9 0.0000501 0.44 AML other m 2014-12-15T03:13:31.57
IV.PIEI.HHN. ML:1.9 0.00005205 0.42 AML other m 2014-12-15T03:13:31.39
IV.PII.HHE. ML:2.0 0.000183 0.2 AML other m 2014-12-15T03:13:30.41
IV.PII.HHN. ML:2.1 0.000219 0.32 AML other m 2014-12-15T03:13:31.68
IV.SACS.HHE. ML:1.8 0.00008649999999999999 0.86 AML other m 2014-12-15T03:13:24.16
IV.SACS.HHN. ML:1.9 0.00010899999999999999 1.04 AML other m 2014-12-15T03:13:24.31
IV.SFI.EHN. ML:1.8 0.00006709999999999999 1.52 AML other m 2014-12-15T03:13:42.27
IV.SFI.EHE. ML:2.1 0.0001123 0.94 AML other m 2014-12-15T03:13:42.54
IV.SSFR.HHN. ML:2.3 0.00009475 0.24 AML other m 2014-12-15T03:13:36.30
IV.SSFR.HHE. ML:2.2 0.0000914 0.32 AML other m 2014-12-15T03:13:32.99
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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