Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 27-11-2018 and time 01:11:55 (Italy) in region 2 km W Monterotondo Marittimo (GR)

A magnitude ML 2.5 earthquake occured in region: 2 km W Monterotondo Marittimo (GR), on

  • 27-11-2018 00:11:55 (UTC)
  • 27-11-2018 01:11:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1420, 10.8340 at 6 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
Monterotondo Marittimo GR 2 1371 1371
Castelnuovo di Val di Cecina PI 10 2231 3602
Monteverdi Marittimo PI 10 758 4360
Massa Marittima GR 11 8375 12735
Suvereto LI 14 3072 15807
Montieri GR 15 1204 17011
Sassetta LI 15 514 17525
Pomarance PI 18 5897 23422
Castagneto Carducci LI 18 9010 32432
Campiglia Marittima LI 20 13218 45650

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Siena (53903 inhabitants)
48 Km NW of Grosseto (82087 inhabitants)
62 Km SE of Livorno (159219 inhabitants)
73 Km SE of Pisa (89158 inhabitants)
74 Km SW of Scandicci (50609 inhabitants)
78 Km SW of Firenze (382808 inhabitants)
83 Km SE of Lucca (89046 inhabitants)
85 Km S of Prato (191150 inhabitants)
88 Km S of Pistoia (90315 inhabitants)
92 Km W of Arezzo (99543 inhabitants)
93 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 2.5 2018-11-27
00:11:55		 43.1418 10.8335 6 2019-06-04
09:16:06		 Bollettino Sismico Italiano INGV 64612481
Reviewed
Rev100 		ML 2.5 2018-11-27
00:11:55		 43.1502 10.8467 7 2018-11-27
00:21:20		 Sala Sismica INGV-Roma 63409241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-27 00:11:55 ± 0.1
Latitude 43.1418 ± 0.0054
Longitude 10.8335 ± 0.0074
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64612481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 688
Semi-minor axis of confidence ellipse (meter) 336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 64
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) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 2.02347
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 49
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 63409241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-27 00:21:19

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 74
Type of magnitude ML
Reference to an origin 64612481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-28 10:25:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2018-11-27T00:12:29.16 0.3 undecidable manual P 105 211.1331 38 0.16 42
IV.MF5.EHZ. 2018-11-27T00:12:29.48 0.6 undecidable manual P 94 213.5196 38 0.18 27
IV.RCAV.EHZ. 2018-11-27T00:12:29.57 0.3 undecidable manual P 129 224.6085 38 -1.11 27
IV.RM33.EHZ. 2018-11-27T00:12:27.89 0.3 undecidable manual P 109 206.0382 38 -0.48 40
IV.CRE.HHZ. 2018-11-27T00:12:26.73 0.6 undecidable manual S 59 104.5176 50 -0.05 43
IV.BDI.HHZ. 2018-11-27T00:12:26.31 0.6 undecidable manual S 349 103.9182 50 -0.31 41
GU.POPM.HHZ. 2018-11-27T00:12:25.27 0.6 undecidable manual S 357 100.4217 50 -0.4 40
GU.CARD.HHZ. 2018-11-27T00:12:24.83 0.6 undecidable manual S 344 102.0201 50 -1.29 27
IV.FDMO.HHZ. 2018-11-27T00:12:24.76 0.3 undecidable manual P 93 182.9835 38 -0.74 41
IV.ARRO.EHZ. 2018-11-27T00:12:22.94 0.3 undecidable manual P 111 169.0086 50 -0.5 49
GU.GRAM.HHZ. 2018-11-27T00:12:22.49 0.3 undecidable manual P 338 161.8158 50 0.17 54
IV.SSFR.HHZ. 2018-11-27T00:12:21.88 0.3 undecidable manual P 78 160.7169 50 -0.27 53
IV.MAON.HHZ. 2018-11-27T00:12:21.07 0.3 undecidable manual S 163 82.7505 50 0.1 66
IV.ZCCA.HHZ. 2018-11-27T00:12:20.09 0.3 undecidable manual P 5 134.5653 50 1.96 25
IV.BRIS.HHZ. 2018-11-27T00:12:20.43 0.3 undecidable manual P 32 141.5472 50 1.24 39
IV.PIEI.HHZ. 2018-11-27T00:12:20.04 0.3 undecidable manual P 72 144.0447 50 0.45 54
IV.TOLF.HHZ. 2018-11-27T00:12:20.24 0.1 undecidable manual P 141 152.8359 50 -0.7 64
GU.GSCL.HHZ. 2018-11-27T00:12:19.20 0.6 undecidable manual P 352 135.5643 50 0.93 31
IV.MURB.HHZ. 2018-11-27T00:12:19.02 0.3 undecidable manual P 84 137.3625 50 0.46 55
IV.MOMA.HHZ. 2018-11-27T00:12:19.71 0.3 undecidable manual P 104 145.8429 50 -0.15 58
IV.APEC.HHZ. 2018-11-27T00:12:18.85 0.3 undecidable manual P 70 136.0638 50 0.5 55
IV.ATVO.HHZ. 2018-11-27T00:12:17.85 0.3 undecidable manual P 78 129.87 50 0.46 56
IV.LMD.HHZ. 2018-11-27T00:12:17.31 0.1 undecidable manual P 34 125.2746 50 0.62 71
IV.PARC.HHZ. 2018-11-27T00:12:17.47 0.3 undecidable manual P 63 126.4734 50 0.6 54
IV.PLMA.HHZ. 2018-11-27T00:12:17.21 0.3 undecidable manual P 322 127.872 50 0.12 60
IV.SFI.EHZ. 2018-11-27T00:12:16.02 0.1 undecidable manual P 44 117.4935 50 0.53 75
GU.SARM.EHZ. 2018-11-27T00:12:16.53 0.3 undecidable manual P 343 120.6903 50 0.54 56
GU.EQUI.HHZ. 2018-11-27T00:12:16.96 0.3 undecidable manual P 335 126.0738 50 0.15 60
MN.VLC.HHZ. 2018-11-27T00:12:16.05 0.3 undecidable manual P 343 118.4925 50 0.41 58
TV.SF01.EHZ. 2018-11-27T00:12:16.14 0.6 undecidable manual S 121 69.5748 50 -1.32 29
IV.ATTE.HHZ. 2018-11-27T00:12:16.48 0.3 undecidable manual P 87 123.1878 50 0.12 61
IV.PII.HHZ. 2018-11-27T00:12:15.76 0.6 undecidable manual S 339 68.9754 50 -1.53 25
IV.SSP9.EHZ. 2018-11-27T00:12:15.93 0.3 undecidable manual P 65 115.0959 50 0.8 51
IV.CRE.HHZ. 2018-11-27T00:12:14.35 0.3 undecidable manual P 59 104.5176 50 0.86 51
IV.LATE.HHZ. 2018-11-27T00:12:13.50 0.1 undecidable manual P 126 98.2239 50 0.97 65
IV.ARCI.HHZ. 2018-11-27T00:12:13.89 0.6 undecidable manual S 121 61.1943 50 -1.33 29
IV.BDI.HHZ. 2018-11-27T00:12:13.44 0.1 undecidable manual P 349 103.9182 50 0.04 86
GU.POPM.HHZ. 2018-11-27T00:12:13.01 0.3 undecidable manual P 357 100.4217 50 0.16 63
GU.CARD.HHZ. 2018-11-27T00:12:12.98 0.3 undecidable manual P 344 102.0201 50 -0.13 64
IV.MTCR.EHZ. 2018-11-27T00:12:12.79 0.3 undecidable manual P 8 99.2229 50 0.11 64
IV.CSNT.HHZ. 2018-11-27T00:12:11.08 0.6 undecidable manual S 45 52.0035 50 -1.69 24
IV.MPPT.EHZ. 2018-11-27T00:12:11.73 0.3 undecidable manual P 13 92.8404 50 0.04 66
GU.MAIM.HHZ. 2018-11-27T00:12:11.04 0.1 undecidable manual P 342 89.9433 50 -0.21 85
IV.CAFI.HHZ. 2018-11-27T00:12:11.94 0.1 undecidable manual P 77 93.8394 50 0.09 87
IV.MAON.HHZ. 2018-11-27T00:12:10.41 0.3 undecidable manual P 163 82.7505 50 0.27 64
IV.MCIV.HHZ. 2018-11-27T00:12:09.66 0.1 undecidable manual P 120 79.4649 50 0.04 90
TV.SF04.EHZ. 2018-11-27T00:12:09.01 0.1 undecidable manual P 117 75.1692 50 0.04 91
TV.SF01.EHZ. 2018-11-27T00:12:08.23 0.1 undecidable manual P 121 69.5748 50 0.12 91
Z3.A319A.HHZ. 2018-11-27T00:12:08.02 0.6 undecidable manual S 331 42.4242 50 -2.18 16
IV.CRMI.HHZ. 2018-11-27T00:12:08.72 0.1 undecidable manual P 9 73.4709 50 0.01 92
IV.PII.HHZ. 2018-11-27T00:12:07.79 0.1 undecidable manual P 339 68.9754 50 -0.23 89
IV.ARCI.HHZ. 2018-11-27T00:12:06.87 0.1 undecidable manual P 121 61.1943 50 0.05 93
IV.CSNT.HHZ. 2018-11-27T00:12:04.91 0.1 undecidable manual P 45 52.0035 50 -0.5 86
IV.FROS.HHZ. 2018-11-27T00:12:04.72 0.1 undecidable manual S 74 27.1506 103 -0.3 94
IV.RIBO.EHZ. 2018-11-27T00:12:04.45 0.3 undecidable manual S 141 27.4503 103 -0.68 63
Z3.A319A.HHZ. 2018-11-27T00:12:03.44 0.1 undecidable manual P 331 42.4242 50 -0.48 88
Z3.A318A.HHZ. 2018-11-27T00:12:03.19 0.3 undecidable manual S 264 21.1677 106 0.18 73
IV.MAGO.HHZ. 2018-11-27T00:12:02.06 0.1 undecidable manual S 316 20.3685 107 -0.67 85
IV.RIBO.EHZ. 2018-11-27T00:12:01.00 0.1 undecidable manual P 141 27.4503 103 0.01 100
Z3.A318A.HHZ. 2018-11-27T00:12:00.04 0.1 undecidable manual P 264 21.1677 106 0.27 96
IV.FROS.HHZ. 2018-11-27T00:12:00.74 0.1 undecidable manual P 74 27.1506 103 -0.19 96
IV.MAGO.HHZ. 2018-11-27T00:11:59.68 0.1 undecidable manual P 316 20.3685 107 0.07 100
IV.TRIF.HHZ. 2018-11-27T00:11:58.20 0.1 undecidable manual S 118 6.3936 134 -0.23 99
IV.TRIF.HHZ. 2018-11-27T00:11:57.31 0.1 undecidable manual P 118 6.3936 134 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MAGO.HHE. ML:3.5 0.022600000000000002 0.16 AML other m 2018-11-27T00:12:02.20
IV.MAGO.HHN. ML:3.5 0.0228 0.62 AML other m 2018-11-27T00:12:02.43
IV.FROS.HHE. ML:3.4 0.015050000000000001 1.56 AML other m 2018-11-27T00:12:05.78
IV.FROS.HHN. ML:3.3 0.012 0.58 AML other m 2018-11-27T00:12:06.33
IV.CRMI.HHN. ML:2.5 0.0004975 0.7 AML other m 2018-11-27T00:12:12.35
IV.CSNT.HHN. ML:2.6 0.0009245 1.1 AML other m 2018-11-27T00:12:12.06
IV.CSNT.HHE. ML:2.3 0.0005925 0.62 AML other m 2018-11-27T00:12:13.35
IV.CAFI.HHE. ML:2.4 0.000243 0.84 AML other m 2018-11-27T00:12:14.00
IV.ARCI.HHN. ML:2.9 0.0017850000000000001 1 AML other m 2018-11-27T00:12:15.44
IV.ARCI.HHE. ML:3.1 0.0026950000000000003 0.26 AML other m 2018-11-27T00:12:16.76
IV.PII.HHE. ML:2.9 0.0012599999999999998 0.32 AML other m 2018-11-27T00:12:16.83
IV.PII.HHN. ML:3.1 0.0020599999999999998 1.66 AML other m 2018-11-27T00:12:17.86
IV.CRMI.HHE. ML:2.4 0.0003715 0.42 AML other m 2018-11-27T00:12:19.00
GU.SARM.EHN. ML:3.0 0.0006990000000000001 0.54 AML other m 2018-11-27T00:12:19.52
IV.MPPT.EHE. ML:2.3 0.0002205 1.06 AML other m 2018-11-27T00:12:19.59
IV.MPPT.EHN. ML:2.3 0.00023449999999999998 1.4 AML other m 2018-11-27T00:12:19.08
IV.MTCR.EHN. ML:2.5 0.0003165 1.28 AML other m 2018-11-27T00:12:20.73
IV.MCIV.HHE. ML:3.0 0.0013250000000000002 0.78 AML other m 2018-11-27T00:12:20.67
IV.MCIV.HHN. ML:3.2 0.0024950000000000003 0.24 AML other m 2018-11-27T00:12:21.63
GU.MAIM.HHN. ML:2.6 0.0004555 0.3 AML other m 2018-11-27T00:12:22.24
IV.MTCR.EHE. ML:2.3 0.000215 0.44 AML other m 2018-11-27T00:12:22.43
IV.MAON.HHN. ML:3.0 0.0014 0.36 AML other m 2018-11-27T00:12:22.78
IV.MAON.HHE. ML:2.9 0.0011715 0.68 AML other m 2018-11-27T00:12:22.59
GU.MAIM.HHE. ML:2.5 0.000372 0.36 AML other m 2018-11-27T00:12:24.20
IV.ARRO.EHE. ML:2.2 0.00007049999999999999 1.44 AML other m 2018-11-27T00:12:27.11
GU.CARD.HHE. ML:2.6 0.00041549999999999996 1.3 AML other m 2018-11-27T00:12:27.91
IV.LATE.HHN. ML:3.0 0.0011 0.8 AML other m 2018-11-27T00:12:28.00
GU.POPM.HHN. ML:2.9 0.000756 0.24 AML other m 2018-11-27T00:12:28.59
IV.CRE.HHE. ML:2.4 0.0002245 0.64 AML other m 2018-11-27T00:12:28.32
GU.POPM.HHE. ML:2.7 0.0005365 0.9 AML other m 2018-11-27T00:12:28.49
GU.CARD.HHN. ML:2.6 0.000379 1.28 AML other m 2018-11-27T00:12:29.74
IV.BDI.HNE. ML:2.4 0.00025550000000000003 0.9 AML other m 2018-11-27T00:12:29.92
IV.CAFI.HHN. ML:2.2 0.000192 1.08 AML other m 2018-11-27T00:12:30.56
IV.BDI.HHE. ML:2.4 0.000237 1.24 AML other m 2018-11-27T00:12:30.34
IV.CRE.HHN. ML:2.5 0.00026900000000000003 0.38 AML other m 2018-11-27T00:12:30.68
IV.SSFR.HHE. ML:2.4 0.000122 0.26 AML other m 2018-11-27T00:12:30.84
IV.BDI.HHN. ML:2.6 0.000343 1.02 AML other m 2018-11-27T00:12:30.48
IV.BDI.HNN. ML:2.6 0.00039449999999999994 0.98 AML other m 2018-11-27T00:12:32.00
MN.VLC.HHN. ML:2.3 0.00014500000000000003 0.98 AML other m 2018-11-27T00:12:32.27
MN.VLC.HNN. ML:2.4 0.00016765 1 AML other m 2018-11-27T00:12:32.27
IV.SFI.EHN. ML:2.2 0.00013550000000000001 1.14 AML other m 2018-11-27T00:12:32.87
IV.SFI.EHE. ML:2.2 0.0001255 1.34 AML other m 2018-11-27T00:12:33.75
IV.SSFR.HHN. ML:2.4 0.00011499999999999999 0.22 AML other m 2018-11-27T00:12:33.20
IV.MURB.HHN. ML:2.8 0.00039400000000000004 0.28 AML other m 2018-11-27T00:12:33.38
IV.LATE.HHE. ML:2.7 0.0005960000000000001 0.34 AML other m 2018-11-27T00:12:33.69
GU.EQUI.HHE. ML:2.3 0.000135 1.36 AML other m 2018-11-27T00:12:33.12
GU.EQUI.HHN. ML:2.3 0.00013550000000000001 0.44 AML other m 2018-11-27T00:12:35.70
GU.SARM.EHE. ML:2.8 0.0004215 0.6 AML other m 2018-11-27T00:12:35.73
MN.VLC.HHE. ML:2.2 0.000128 1.02 AML other m 2018-11-27T00:12:36.82
MN.VLC.HNE. ML:2.3 0.0001502 0.74 AML other m 2018-11-27T00:12:36.83
IV.SSP9.EHE. ML:2.3 0.00014749999999999998 0.82 AML other m 2018-11-27T00:12:36.17
IV.LMD.HHE. ML:2.2 0.0001085 1.3 AML other m 2018-11-27T00:12:37.88
GU.GSCL.HHE. ML:2.7 0.00028000000000000003 0.3 AML other m 2018-11-27T00:12:38.15
IV.ATTE.HHN. ML:2.4 0.0001605 0.72 AML other m 2018-11-27T00:12:38.45
IV.ATTE.HHE. ML:2.4 0.000162 0.86 AML other m 2018-11-27T00:12:38.53
GU.GSCL.HHN. ML:2.8 0.00033999999999999997 1.1 AML other m 2018-11-27T00:12:38.00
IV.MOMA.HHE. ML:2.3 0.0001064 0.6 AML other m 2018-11-27T00:12:39.93
IV.SSP9.EHN. ML:2.4 0.0001905 0.58 AML other m 2018-11-27T00:12:40.10
IV.PARC.HHE. ML:2.2 0.00011599999999999999 0.7 AML other m 2018-11-27T00:12:40.86
IV.MOMA.HHN. ML:2.2 0.00009175 1.44 AML other m 2018-11-27T00:12:40.85
IV.PARC.HHN. ML:2.2 0.00011455000000000002 0.46 AML other m 2018-11-27T00:12:41.42
IV.ATVO.HHE. ML:2.4 0.0001525 0.48 AML other m 2018-11-27T00:12:42.84
IV.LMD.HHN. ML:2.2 0.0001215 1.24 AML other m 2018-11-27T00:12:42.77
IV.MURB.HHE. ML:2.8 0.00041749999999999996 0.32 AML other m 2018-11-27T00:12:43.29
IV.ATVO.HHN. ML:2.3 0.000135 0.7 AML other m 2018-11-27T00:12:44.43
IV.APEC.HHN. ML:2.6 0.00021950000000000002 0.6 AML other m 2018-11-27T00:12:45.07
IV.PIEI.HHN. ML:2.0 0.00005525 1.2 AML other m 2018-11-27T00:12:45.11
IV.APEC.HHE. ML:2.6 0.0002395 0.42 AML other m 2018-11-27T00:12:45.39
IV.PIEI.HHE. ML:2.2 0.0000805 1.48 AML other m 2018-11-27T00:12:48.19
IV.SMA1.EHN. ML:2.5 0.0000886 0.7 AML other m 2018-11-27T00:13:02.32
IV.ARRO.EHN. ML:2.2 0.00006769999999999999 0.42 AML other m 2018-11-27T00:13:03.90
IV.SMA1.EHE. ML:2.4 0.00007105 0.42 AML other m 2018-11-27T00:13:08.36
IV.MBAL.EHN. ML:2.8 0.00009340000000000001 0.54 AML other m 2018-11-27T00:13:32.47
IV.MBAL.EHE. ML:2.9 0.00012014999999999999 0.08 AML other m 2018-11-27T00:13:32.51
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