Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 27-01-2019 and time 07:57:22 (UTC) in region 1 km W Montieri (GR)

A magnitude ML 2.3 earthquake occured in region: 1 km W Montieri (GR), on

  • 27-01-2019 07:57:22 (UTC)
  • 27-01-2019 08:57:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1320, 11.0010 at 8 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 1 1204 1204
Chiusdino SI 8 1903 3107
Castelnuovo di Val di Cecina PI 11 2231 5338
Monterotondo Marittimo GR 12 1371 6709
Massa Marittima GR 13 8375 15084
Monticiano SI 15 1571 16655
Radicondoli SI 15 914 17569
Roccastrada GR 19 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km SW of Siena (53903 inhabitants)
42 Km N of Grosseto (82087 inhabitants)
71 Km S of Scandicci (50609 inhabitants)
73 Km SE of Livorno (159219 inhabitants)
74 Km S of Firenze (382808 inhabitants)
81 Km W of Arezzo (99543 inhabitants)
81 Km SE of Pisa (89158 inhabitants)
84 Km S of Prato (191150 inhabitants)
89 Km SE of Lucca (89046 inhabitants)
89 Km S of Pistoia (90315 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 2.3 2019-01-27
07:57:22		 43.1323 11.0013 8 2019-08-22
08:24:48		 Bollettino Sismico Italiano INGV 65093091
Reviewed
Rev100 		ML 2.5 2019-01-27
07:57:21		 43.1432 11.0067 10 2019-01-27
08:11:36		 Sala Sismica INGV-Roma 64994041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-27 07:57:22 ± 0.09
Latitude 43.1323 ± 0.0054
Longitude 11.0013 ± 0.0074
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65093091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 551
Semi-minor axis of confidence ellipse (meter) 458
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
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) 47
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.13764
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 65093091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-18 15:55:36

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 64994041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-27 08:11:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MAON.HHZ. 2019-01-27T07:57:46.92 0.3 undecidable manual S 172 78.7656 50 0.49 61
IV.PII.HHZ. 2019-01-27T07:57:45.22 0.6 undecidable manual S 330 75.8685 50 -0.42 41
GU.SARM.EHZ. 2019-01-27T07:57:44.23 0.6 undecidable manual P 338 126.2736 50 0.75 33
IV.PARC.HHZ. 2019-01-27T07:57:42.26 0.3 undecidable manual P 60 114.996 50 0.51 56
IV.LMD.HHZ. 2019-01-27T07:57:42.69 0.3 undecidable manual P 28 119.1918 50 0.3 58
IV.SFI.EHZ. 2019-01-27T07:57:41.25 0.3 undecidable manual P 38 109.4127 50 0.37 59
IV.SSP9.EHZ. 2019-01-27T07:57:40.60 0.6 undecidable manual P 61 103.5186 50 0.63 37
GU.CARD.HHZ. 2019-01-27T07:57:40.76 0.3 undecidable manual P 337 107.6145 50 0.16 62
GU.POPM.HHZ. 2019-01-27T07:57:40.27 0.3 undecidable manual P 349 103.119 50 0.35 60
IV.SEI.HHZ. 2019-01-27T07:57:40.91 0.3 undecidable manual P 16 106.2159 50 0.52 57
IV.CRE.HHZ. 2019-01-27T07:57:39.28 0.3 undecidable manual P 55 93.7395 50 0.81 52
IV.MTCR.EHZ. 2019-01-27T07:57:39.51 0.3 undecidable manual P 0 99.3228 50 0.17 62
IV.MOCL.EHZ. 2019-01-27T07:57:39.39 0.3 undecidable manual P 8 97.8243 50 0.28 61
IV.ASQU.HHZ. 2019-01-27T07:57:39.46 0.3 undecidable manual P 40 97.2249 50 0.45 59
IV.MPPT.EHN. 2019-01-27T07:57:38.24 0.3 undecidable manual P 4 91.8414 50 0.07 65
GU.MAIM.HHZ. 2019-01-27T07:57:38.87 0.3 undecidable manual P 335 95.9262 50 0.06 64
IV.RUFI.EHZ. 2019-01-27T07:57:37.75 0.3 undecidable manual P 27 88.3449 50 0.12 65
IV.ARCI.HHZ. 2019-01-27T07:57:37.03 0.3 undecidable manual S 129 49.5171 50 -1.58 38
IV.MAON.HHZ. 2019-01-27T07:57:36.66 0.1 undecidable manual P 172 78.7656 50 0.49 81
IV.CAFI.HHZ. 2019-01-27T07:57:36.36 0.3 undecidable manual P 74 80.9523 50 -0.15 65
IV.CELB.HHZ. 2019-01-27T07:57:36.91 0.3 undecidable manual P 237 77.1672 50 1 49
IV.OSSC.HHZ. 2019-01-27T07:57:36.80 0.3 undecidable manual S 24 47.7189 50 -1.33 44
IV.PII.HHZ. 2019-01-27T07:57:35.69 0.1 undecidable manual P 330 75.8685 50 -0.02 90
IV.CRMI.HNN. 2019-01-27T07:57:35.30 0.3 undecidable manual P 359 73.5708 50 -0.06 67
IV.CASP.HHZ. 2019-01-27T07:57:34.83 0.3 undecidable manual S 196 39.4272 50 -1.1 50
Z3.A318A.HHZ. 2019-01-27T07:57:33.71 0.6 undecidable manual S 268 34.6431 102 -0.74 40
TV.SF04.EHZ. 2019-01-27T07:57:33.66 0.1 undecidable manual P 121 62.7927 50 -0.04 92
IV.MAGO.CHZ. 2019-01-27T07:57:32.35 0.3 undecidable manual S -0.76 61
TV.SF01.EHZ. 2019-01-27T07:57:32.72 0.1 undecidable manual P 128 57.7977 50 -0.21 89
IV.ARCI.HHZ. 2019-01-27T07:57:31.44 0.1 positive manual P 129 49.5171 50 -0.21 91
Z3.A319A.HHE. 2019-01-27T07:57:31.68 0.3 undecidable manual P 318 51.2154 50 -0.23 68
IV.OSSC.HHZ. 2019-01-27T07:57:30.96 0.1 positive manual P 24 47.7189 50 -0.41 87
IV.CASP.HHZ. 2019-01-27T07:57:29.89 0.1 undecidable manual P 196 39.4272 50 -0.21 92
IV.RIBO.EHZ. 2019-01-27T07:57:29.56 0.3 undecidable manual S 170 20.6682 110 -0.2 72
Z3.A318A.HHZ. 2019-01-27T07:57:29.18 0.1 undecidable manual P 268 34.6431 102 -0.07 96
IV.MAGO.CHZ. 2019-01-27T07:57:28.54 0.1 positive manual P 0.18 96
IV.FROS.CHZ. 2019-01-27T07:57:27.48 0.1 undecidable manual S -0.32 97
IV.TRIF.CHZ. 2019-01-27T07:57:26.23 0.1 undecidable manual S -0.19 100
IV.RIBO.EHZ. 2019-01-27T07:57:26.74 0.1 undecidable manual P 170 20.6682 110 0.2 96
IV.FROS.CHZ. 2019-01-27T07:57:25.50 0.1 positive manual P 0.21 99
IV.TRIF.CHZ. 2019-01-27T07:57:24.84 0.1 negative manual P 0.34 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHN. ML:3.2 0.02466497 0.0832 AML other m 2019-01-27T07:57:26.65
IV.TRIF.CHE. ML:3.3 0.033265725 0.1152 AML other m 2019-01-27T07:57:26.63
IV.FROS.CHE. ML:3.0 0.010544032000000002 0.1472 AML other m 2019-01-27T07:57:27.89
IV.FROS.CHN. ML:2.9 0.008019792000000001 0.192 AML other m 2019-01-27T07:57:27.81
IV.RIBO.EHE.01 ML:3.0 0.008316189 0.1792 AML other m 2019-01-27T07:57:29.92
IV.MAGO.CHE. ML:2.4 0.0012470975 0.1024 AML other m 2019-01-27T07:57:33.94
IV.MAGO.CHN. ML:2.7 0.0024247385000000002 0.1536 AML other m 2019-01-27T07:57:32.54
IV.CASP.HHE. ML:2.9 0.0028695724999999997 0.2176 AML other m 2019-01-27T07:57:35.13
IV.CASP.HHN. ML:3.1 0.0048078635 0.3008 AML other m 2019-01-27T07:57:35.25
IV.OSSC.HNE. ML:2.3 0.0005717453999999999 0.512 AML other m 2019-01-27T07:57:38.00
IV.OSSC.HNN. ML:2.2 0.0005031261 0.1792 AML other m 2019-01-27T07:57:37.12
IV.OSSC.HHE. ML:2.2 0.00048208615 0.1984 AML other m 2019-01-27T07:57:37.13
IV.OSSC.HHN. ML:2.3 0.0006131498500000001 0.5184 AML other m 2019-01-27T07:57:38.74
IV.ARCI.HHN. ML:2.3 0.0005211422 0.3392 AML other m 2019-01-27T07:57:39.33
IV.ARCI.HHE. ML:2.3 0.00054771695 0.1792 AML other m 2019-01-27T07:57:37.61
TV.SF01.EHE. ML:2.9 0.0017170595 0.3456 AML other m 2019-01-27T07:57:41.05
TV.SF01.EHN. ML:2.7 0.00123316755 0.3776 AML other m 2019-01-27T07:57:41.06
TV.SF04.EHN. ML:2.7 0.0009599933499999999 0.2368 AML other m 2019-01-27T07:57:43.67
TV.SF04.EHE. ML:2.8 0.0012851256 0.2176 AML other m 2019-01-27T07:57:42.52
IV.MCIV.CHN. ML:2.2 0.0002501395 0.2752 AML other m 2019-01-27T07:57:46.11
IV.MCIV.CHE. ML:2.2 0.0002663826 0.2688 AML other m 2019-01-27T07:57:46.24
IV.PII.HHN. ML:2.3 0.0003138497 0.3008 AML other m 2019-01-27T07:57:46.43
IV.PII.HHE. ML:2.3 0.00030132609999999996 0.3008 AML other m 2019-01-27T07:57:47.18
IV.MAON.HHE. ML:2.6 0.00050337365 0.1792 AML other m 2019-01-27T07:57:47.80
IV.MAON.HHN. ML:2.7 0.0007142829500000001 0.1984 AML other m 2019-01-27T07:57:47.91
IV.CELB.HHN. ML:2.7 0.0008097174000000001 0.2816 AML other m 2019-01-27T07:57:48.26
IV.RUFI.EHE. ML:2.3 0.00024615205 0.224 AML other m 2019-01-27T07:57:49.18
IV.RUFI.EHN. ML:2.1 0.000140082305 0.224 AML other m 2019-01-27T07:57:49.17
IV.CRE.HHE. ML:2.0 0.00009754856000000001 0.5632 AML other m 2019-01-27T07:57:54.83
IV.CRE.HHN. ML:1.9 0.00009220064 0.4224 AML other m 2019-01-27T07:57:55.18
IV.MOCL.EHN. ML:2.0 0.000094718185 0.2752 AML other m 2019-01-27T07:57:54.15
IV.ASQU.HHN. ML:1.9 0.00007849509 0.5184 AML other m 2019-01-27T07:57:55.79
IV.ASQU.HHE. ML:1.9 0.00007544169 0.32 AML other m 2019-01-27T07:57:53.70
IV.MTCR.EHE. ML:1.9 0.00007948455 0.3776 AML other m 2019-01-27T07:57:53.83
IV.MTCR.EHN. ML:2.0 0.0001054998 0.5184 AML other m 2019-01-27T07:57:59.76
GU.POPM.HHN. ML:2.0 0.00010076835 0.2624 AML other m 2019-01-27T07:57:54.73
GU.POPM.HHE. ML:2.0 0.00010480442 0.2368 AML other m 2019-01-27T07:57:56.35
GU.CARD.HHN. ML:2.0 0.00007808029900000001 0.16 AML other m 2019-01-27T07:57:57.80
IV.SEI.HHE. ML:2.2 0.00013855435 0.3584 AML other m 2019-01-27T07:58:01.42
IV.SEI.HHN. ML:2.4 0.00023725010000000003 0.4608 AML other m 2019-01-27T07:58:01.22
IV.SFI.HNN. ML:2.3 0.0001649712 0.7104 AML other m 2019-01-27T07:58:17.62
IV.PARC.HHE. ML:1.9 0.000063216475 0.5376 AML other m 2019-01-27T07:57:42.51
IV.PARC.HHN. ML:1.9 0.000067927235 1.0176 AML other m 2019-01-27T07:58:02.87
IV.LMD.HHN. ML:1.9 0.00006411538 0.3392 AML other m 2019-01-27T07:57:59.79
IV.LMD.HHE. ML:2.0 0.000071990195 0.3392 AML other m 2019-01-27T07:58:00.03
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