Earthquake with magnitude of ML 1.2 on date 01-02-2020 and time 15:26:09 (Italy) in region 1 km NE Montieri (GR)

A magnitude ML 1.2 earthquake occured in region: 1 km NE Montieri (GR), on

  • 01-02-2020 14:26:09 (UTC)
  • 01-02-2020 15:26:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1390, 11.0210 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 1 1204 1204
Chiusdino SI 6 1903 3107
Castelnuovo di Val di Cecina PI 12 2231 5338
Monticiano SI 13 1571 6909
Monterotondo Marittimo GR 13 1371 8280
Radicondoli SI 14 914 9194
Massa Marittima GR 15 8375 17569
Roccastrada GR 19 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Siena (53903 inhabitants)
43 Km N of Grosseto (82087 inhabitants)
70 Km S of Scandicci (50609 inhabitants)
73 Km S of Firenze (382808 inhabitants)
74 Km SE of Livorno (159219 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
81 Km SE of Pisa (89158 inhabitants)
83 Km S of Prato (191150 inhabitants)
89 Km S of Pistoia (90315 inhabitants)
89 Km SE of Lucca (89046 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
Reviewed
Rev100
ML 1.2 2020-02-01
14:26:09
43.1387 11.0212 10 2020-02-01
14:35:43
Sala Sismica INGV-Roma 76101491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-01 14:26:09 ± 0.11
Latitude 43.1387 ± 0.0063
Longitude 11.0212 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76101491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 766
Semi-minor axis of confidence ellipse (meter) 615
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55668
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76101491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-01 14:35:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2020-02-01T14:27:52.00 3.0 undecidable manual Pg 14.61 0
IT.VNF1.HGZ. 2020-02-01T14:27:40.32 3.0 undecidable manual Sg 3.89 0
IV.CAR1.HHZ. 2020-02-01T14:27:37.03 3.0 negative manual Pn 0.22 0
IV.VARE.HHZ. 2020-02-01T14:27:35.93 3.0 undecidable manual Sn -4.63 0
CR.ZAG.BHZ. 2020-02-01T14:27:34.36 3.0 undecidable manual Pg 13.15 0
SI.KOSI.HHZ. 2020-02-01T14:27:12.80 3.0 positive manual Pg 8.19 0
IV.NDIM.HHZ. 2020-02-01T14:27:07.80 3.0 undecidable manual Sg 1.06 0
IV.GIUL.HHZ. 2020-02-01T14:26:50.86 3.0 positive manual Pg -1.63 0
IV.CSP1.EHZ. 2020-02-01T14:26:40.70 3.0 undecidable manual Pg -2.12 0
TV.SF01.EHZ. 2020-02-01T14:26:28.21 0.6 undecidable manual S 129 56.9985 50 0.41 44
IV.OSSC.HHZ. 2020-02-01T14:26:25.10 0.3 undecidable manual S 23 46.4202 50 0.14 71
IV.ARCI.HHZ. 2020-02-01T14:26:24.76 0.3 undecidable manual S 131 48.7179 50 -0.82 58
IV.CSNT.HHZ. 2020-02-01T14:26:23.82 0.3 undecidable manual S 30 43.0236 50 -0.24 70
IV.CASP.HHZ. 2020-02-01T14:26:22.93 0.3 undecidable manual S 198 40.626 50 -0.5 67
TV.SF04.EHZ. 2020-02-01T14:26:21.34 0.6 undecidable manual P 123 61.7937 50 0.35 44
TV.SF01.EHZ. 2020-02-01T14:26:20.43 0.3 undecidable manual P 129 56.9985 50 0.18 69
IV.MAGO.CHZ. 2020-02-01T14:26:20.87 0.3 undecidable manual S 297 32.9448 50 -0.51 67
IV.OSSC.HHZ. 2020-02-01T14:26:19.08 1.0 undecidable manual P 23 46.4202 50 0.47 22
IV.ARCI.HHZ. 2020-02-01T14:26:19.14 0.1 undecidable manual P 131 48.7179 50 0.17 94
IV.CASP.HHZ. 2020-02-01T14:26:18.07 0.3 undecidable manual P 198 40.626 50 0.35 69
IV.CSNT.HHZ. 2020-02-01T14:26:18.43 0.3 undecidable manual P 30 43.0236 50 0.34 69
IV.MAGO.CHZ. 2020-02-01T14:26:16.88 0.6 undecidable manual P 297 32.9448 50 0.34 47
IV.FROS.CHZ. 2020-02-01T14:26:15.27 0.1 undecidable manual S 54 13.4754 127 -0.51 93
IV.TRIF.CHZ. 2020-02-01T14:26:14.67 0.1 undecidable manual S 255 9.9789 136 -0.19 100
IV.TRIF.CHZ. 2020-02-01T14:26:13.12 0.1 undecidable manual P 255 9.9789 136 0.34 97
IV.FROS.CHZ. 2020-02-01T14:26:13.48 0.1 negative manual P 54 13.4754 127 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHE. ML:1.5 0.00033199999999999994 0.1 AML other m 2020-02-01T14:26:15.70
IV.FROS.CHN. ML:1.7 0.000536 0.42 AML other m 2020-02-01T14:26:15.63
IV.CASP.HHN. ML:1.7 0.000167 0.2 AML other m 2020-02-01T14:26:23.16
IV.CASP.HHE. ML:1.5 0.0001115 0.38 AML other m 2020-02-01T14:26:23.47
IV.CSNT.HHN. ML:1.0 0.0000313 0.42 AML other m 2020-02-01T14:26:24.27
IV.CSNT.HHE. ML:1.0 0.00003465 0.54 AML other m 2020-02-01T14:26:24.41
IV.ARCI.HHN. ML:1.0 0.0000253 0.14 AML other m 2020-02-01T14:26:25.72
IV.ARCI.HHE. ML:1.0 0.000026450000000000003 0.44 AML other m 2020-02-01T14:26:26.28
IV.TRIF.CHE. ML:1.5 0.0003728806 0.1792 AML other m 2020-02-01T14:26:15.04
IV.TRIF.CHN. ML:1.5 0.00036247985 0.0832 AML other m 2020-02-01T14:26:14.82
IV.MAGO.CHE. ML:0.8 0.000028558218500000004 0.1024 AML other m 2020-02-01T14:26:21.46
IV.MAGO.CHN. ML:0.9 0.000034104280000000003 0.1408 AML other m 2020-02-01T14:26:21.15
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