Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 02-11-2019 and time 04:28:58 (UTC) in region 1 km SE Monterotondo Marittimo (GR)

A magnitude ML 2.1 earthquake occured in region: 1 km SE Monterotondo Marittimo (GR), on

  • 02-11-2019 04:28:58 (UTC)
  • 02-11-2019 05:28:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1410, 10.8660 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 1 1371 1371
Castelnuovo di Val di Cecina PI 8 2231 3602
Massa Marittima GR 10 8375 11977
Montieri GR 12 1204 13181
Monteverdi Marittimo PI 13 758 13939
Suvereto LI 17 3072 17011
Pomarance PI 18 5897 22908
Sassetta LI 18 514 23422
Chiusdino SI 18 1903 25325
Radicondoli SI 20 914 26239

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Siena (53903 inhabitants)
47 Km NW of Grosseto (82087 inhabitants)
64 Km SE of Livorno (159219 inhabitants)
73 Km SW of Scandicci (50609 inhabitants)
74 Km SE of Pisa (89158 inhabitants)
77 Km SW of Firenze (382808 inhabitants)
84 Km SE of Lucca (89046 inhabitants)
85 Km S of Prato (191150 inhabitants)
88 Km S of Pistoia (90315 inhabitants)
90 Km W of Arezzo (99543 inhabitants)
95 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 2019-11-02
04:28:58		 43.1408 10.8657 6 2020-02-28
16:42:15		 Bollettino Sismico Italiano INGV 74812101
Reviewed
Rev100 		ML 2.2 2019-11-02
04:28:58		 43.141 10.8663 8 2019-12-20
09:31:04		 Sala Sismica INGV-Roma 73583861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-02 04:28:58 ± 0.1
Latitude 43.1408 ± 0.0063
Longitude 10.8657 ± 0.0111
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 74812101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 855
Semi-minor axis of confidence ellipse (meter) 599
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) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 1.52525
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 42
Type of magnitude ML
Reference to an origin 74812101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-20 09:30:11

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 73583861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-02 04:43:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2019-11-02T04:29:26.46 0.6 undecidable manual P 321 169.2972 50 -0.2 33
IV.SRES.HHZ. 2019-11-02T04:29:25.66 0.3 undecidable manual P 126 167.4102 50 -0.71 44
IV.ASSB.HHZ. 2019-11-02T04:29:23.53 0.3 undecidable manual P 94 145.6431 50 0.52 51
IV.BDI.HHZ. 2019-11-02T04:29:16.72 0.3 undecidable manual P 348 104.5176 50 0.05 62
IV.MOCL.EHZ. 2019-11-02T04:29:16.71 0.3 undecidable manual P 15 99.123 50 0.87 49
IV.CRE.HHZ. 2019-11-02T04:29:16.96 0.6 undecidable manual P 58 102.3198 50 0.62 36
GU.POPM.HHZ. 2019-11-02T04:29:16.47 0.3 undecidable manual P 355 100.6215 50 0.39 58
GU.CARD.HHZ. 2019-11-02T04:29:16.66 0.6 undecidable manual P 343 102.9192 50 0.24 40
IV.SACS.HHZ. 2019-11-02T04:29:15.39 0.3 undecidable manual P 111 90.6426 50 0.85 50
IV.OSSC.HHZ. 2019-11-02T04:29:15.04 0.6 undecidable manual S 36 52.4031 50 -1.04 33
IV.RUFI.EHZ. 2019-11-02T04:29:15.33 0.3 undecidable manual P 34 93.0402 50 0.42 59
IV.MPPT.EHZ. 2019-11-02T04:29:15.08 0.3 undecidable manual P 11 92.3409 50 0.28 61
IV.CSNT.HHZ. 2019-11-02T04:29:14.47 0.6 undecidable manual S 43 50.3163 50 -1.06 33
IV.MCIV.CHZ. 2019-11-02T04:29:12.61 0.3 undecidable manual P 121 77.1672 50 0.16 64
IV.CELB.HHZ. 2019-11-02T04:29:11.72 0.3 undecidable manual P 231 68.8755 50 0.54 60
IV.CRMI.HHZ. 2019-11-02T04:29:11.78 0.1 undecidable manual P 7 73.1712 50 -0.06 88
IV.PII.HHZ. 2019-11-02T04:29:11.14 0.3 undecidable manual P 337 70.0743 50 -0.22 64
TV.SF04.EHZ. 2019-11-02T04:29:11.96 0.1 undecidable manual P 117 72.8715 50 0.17 86
IV.CASP.HHZ. 2019-11-02T04:29:11.43 0.6 undecidable manual S 180 38.8278 98 -0.66 40
IV.ARCI.HHZ. 2019-11-02T04:29:09.65 0.1 undecidable manual P 123 58.9965 50 0 91
IV.OSSC.HHZ. 2019-11-02T04:29:08.22 0.1 undecidable manual P 36 52.4031 50 -0.42 85
IV.CSNT.HHZ. 2019-11-02T04:29:07.83 0.1 undecidable manual P 43 50.3163 50 -0.49 84
IV.MAGO.CHZ. 2019-11-02T04:29:06.15 0.6 undecidable manual S 311 22.2555 105 -0.31 46
IV.CASP.HHZ. 2019-11-02T04:29:05.89 0.1 negative manual P 180 38.8278 98 -0.44 86
IV.MAGO.CHZ. 2019-11-02T04:29:03.10 0.1 undecidable manual P 311 22.2555 105 0.02 97
IV.FROS.CHZ. 2019-11-02T04:29:03.56 0.1 undecidable manual P 72 24.753 103 0.01 97
IV.RIBO.EHZ.01 2019-11-02T04:29:03.66 0.1 undecidable manual P 145 25.8519 103 -0.11 95
IV.TRIF.CHZ. 2019-11-02T04:29:01.37 0.6 undecidable manual S 134 4.1958 144 0.43 46
IV.TRIF.CHZ. 2019-11-02T04:28:59.92 0.1 negative manual P 134 4.1958 144 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MAGO.CHE. ML:2.5 0.002125 1.22 AML other m 2019-11-02T04:29:08.72
IV.FROS.CHN. ML:2.6 0.0028499999999999997 0.54 AML other m 2019-11-02T04:29:10.09
IV.FROS.CHE. ML:2.8 0.003585 0.54 AML other m 2019-11-02T04:29:12.48
IV.CASP.HHE. ML:2.2 0.0005629999999999999 1.54 AML other m 2019-11-02T04:29:14.22
IV.CRMI.HHN. ML:1.6 0.00005815 0.46 AML other m 2019-11-02T04:29:15.88
IV.CRMI.HNN. ML:2.0 0.0001505 0.64 AML other m 2019-11-02T04:29:15.66
IV.MAGO.CHN. ML:2.4 0.001825 0.58 AML other m 2019-11-02T04:29:15.66
IV.CSNT.HHE. ML:2.1 0.000323 1.5 AML other m 2019-11-02T04:29:15.07
IV.CSNT.HHN. ML:2.0 0.000244 0.52 AML other m 2019-11-02T04:29:16.29
IV.OSSC.HHN. ML:2.1 0.00029749999999999997 0.36 AML other m 2019-11-02T04:29:16.72
IV.OSSC.HNE. ML:2.1 0.00034750000000000004 0.54 AML other m 2019-11-02T04:29:19.73
GU.CARD.HHN. ML:2.1 0.00011499999999999999 1.38 AML other m 2019-11-02T04:29:19.22
IV.OSSC.HNN. ML:2.0 0.00028149999999999996 1.22 AML other m 2019-11-02T04:29:19.95
GU.CARD.HHE. ML:2.1 0.000123 0.54 AML other m 2019-11-02T04:29:22.67
IV.CELB.HHN. ML:2.2 0.00027400000000000005 0.44 AML other m 2019-11-02T04:29:22.48
IV.CASP.HHN. ML:2.2 0.0006324999999999999 1 AML other m 2019-11-02T04:29:26.25
IV.CELB.HHE. ML:2.2 0.0003 1.2 AML other m 2019-11-02T04:29:28.31
IV.CRMI.HHE. ML:1.5 0.00005185 1.1 AML other m 2019-11-02T04:29:29.91
IV.MCIV.CHE. ML:2.2 0.0002415 1.06 AML other m 2019-11-02T04:29:30.02
IV.PII.HHE. ML:2.2 0.000284 0.46 AML other m 2019-11-02T04:29:31.13
IV.OSSC.HHE. ML:2.0 0.000256 0.82 AML other m 2019-11-02T04:29:31.29
IV.SACS.HHN. ML:1.8 0.0000711 0.9 AML other m 2019-11-02T04:29:32.54
IV.CRMI.HNE. ML:1.9 0.0001285 0.96 AML other m 2019-11-02T04:29:34.84
IV.ARCI.HHE. ML:2.1 0.0002585 0.98 AML other m 2019-11-02T04:29:35.32
IV.MPPT.EHN. ML:2.0 0.000092643855 0.5376 AML other m 2019-11-02T04:29:35.40
IV.ARCI.HHN. ML:2.2 0.00030300000000000005 0.88 AML other m 2019-11-02T04:29:35.17
IV.PII.HHN. ML:2.2 0.000288 0.26 AML other m 2019-11-02T04:29:37.43
IV.CRE.HHE. ML:2.0 0.00009676618500000001 0.88 AML other m 2019-11-02T04:29:37.80
TV.SF04.EHE. ML:2.8 0.0011400000000000002 0.3 AML other m 2019-11-02T04:29:38.76
IV.MPPT.EHE. ML:1.9 0.00009389999999999999 0.98 AML other m 2019-11-02T04:29:38.90
IV.BDI.HHN. ML:1.9 0.00007170000000000001 0.44 AML other m 2019-11-02T04:29:39.56
IV.MOCL.EHE. ML:2.0 0.00010159999999999999 0.8 AML other m 2019-11-02T04:29:39.97
TV.SF04.EHN. ML:2.8 0.000973 0.26 AML other m 2019-11-02T04:29:40.03
IV.MCIV.CHN. ML:2.1 0.000192 1.06 AML other m 2019-11-02T04:29:40.26
IV.CRE.HHN. ML:2.0 0.00008790000000000001 1.24 AML other m 2019-11-02T04:29:41.69
IV.MOCL.EHN. ML:2.1 0.000128 0.72 AML other m 2019-11-02T04:29:46.36
GU.POPM.HHN. ML:2.1 0.00013350000000000002 0.32 AML other m 2019-11-02T04:29:47.32
GU.POPM.HHE. ML:2.0 0.00010499999999999999 0.54 AML other m 2019-11-02T04:29:48.36
IV.SRES.HHE. ML:1.8 0.000025600000000000002 0.64 AML other m 2019-11-02T04:29:48.66
IV.BDI.HHE. ML:2.0 0.0001024 1 AML other m 2019-11-02T04:29:49.51
IV.SACS.HHE. ML:1.8 0.0000731 0.72 AML other m 2019-11-02T04:29:49.84
IV.SRES.HHN. ML:1.7 0.000021499999999999997 0.9 AML other m 2019-11-02T04:29:55.40
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