Earthquake with magnitude of ML 1.7 on date 24-02-2020 and time 10:24:39 (Italy) in region 2 km N Montieri (GR)

A magnitude ML 1.7 earthquake occured in region: 2 km N Montieri (GR), on

  • 24-02-2020 09:24:39 (UTC)
  • 24-02-2020 10:24:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1490, 11.0150 at 10 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.

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 2 1204 1204
Chiusdino SI 6 1903 3107
Castelnuovo di Val di Cecina PI 11 2231 5338
Radicondoli SI 13 914 6252
Monterotondo Marittimo GR 13 1371 7623
Monticiano SI 14 1571 9194
Massa Marittima GR 15 8375 17569
Roccastrada GR 20 9199 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SW of Siena (53903 inhabitants)
44 Km N of Grosseto (82087 inhabitants)
69 Km S of Scandicci (50609 inhabitants)
72 Km S of Firenze (382808 inhabitants)
73 Km SE of Livorno (159219 inhabitants)
79 Km W of Arezzo (99543 inhabitants)
80 Km SE of Pisa (89158 inhabitants)
82 Km S of Prato (191150 inhabitants)
88 Km SE of Lucca (89046 inhabitants)
88 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 1.7 2020-02-24
09:24:39
43.1492 11.0147 10 2020-07-18
21:08:40
Bollettino Sismico Italiano INGV 80084171
Reviewed
Rev100
ML 1.7 2020-02-24
09:24:39
43.1397 11.0192 10 2020-02-24
09:32:36
Sala Sismica INGV-Roma 76768781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-24 09:24:39 ± 0.1
Latitude 43.1492 ± 0.0054
Longitude 11.0147 ± 0.0074
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80084171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 650
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 285
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72575
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 76768781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-24 09:32:36

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 80084171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-11 08:06:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-02-24T09:26:02.67 3.0 undecidable manual Sn -1.03 0
IV.PZUN.HHZ. 2020-02-24T09:26:01.18 3.0 undecidable manual P 0
IV.VVLD.HHZ. 2020-02-24T09:25:55.68 3.0 undecidable manual Sg 9.46 0
IV.ZONE.HHZ. 2020-02-24T09:25:23.07 3.0 undecidable manual Pn 0.74 0
IV.EUCT.HNZ. 2020-02-24T09:25:17.51 3.0 undecidable manual Pn -1.64 0
IV.MMUR.HNZ. 2020-02-24T09:25:10.29 3.0 negative manual P 4.8 0
IV.MAON.HHZ. 2020-02-24T09:25:04.09 0.3 undecidable manual S 173 80.5638 50 0.52 62
IV.ZCCA.HHZ. 2020-02-24T09:25:02.20 3.0 positive manual P 0.33 0
TV.SF04.EHZ. 2020-02-24T09:24:58.78 0.6 undecidable manual S 123 62.8926 50 -0.08 47
IV.OSSC.HHZ. 2020-02-24T09:24:54.20 0.6 undecidable manual S 24 45.5211 50 -0.03 49
IV.ARCI.HHZ. 2020-02-24T09:24:54.93 0.6 undecidable manual S 131 49.8168 50 -0.45 44
IV.MAON.HHZ. 2020-02-24T09:24:54.08 0.1 undecidable manual P 173 80.5638 50 0.78 74
IV.CELB.HHZ. 2020-02-24T09:24:53.23 0.3 undecidable manual P 236 79.0653 50 0.15 67
IV.CRMI.HNN. 2020-02-24T09:24:52.18 0.3 undecidable manual P 358 71.7726 50 0.23 67
IV.CASP.HHE. 2020-02-24T09:24:52.43 0.1 undecidable manual S 197 41.5251 50 -0.74 81
IV.CSNT.HHZ. 2020-02-24T09:24:52.90 0.6 undecidable manual S 32 42.2244 50 -0.46 45
IV.MAGO.CHZ. 2020-02-24T09:24:50.06 0.1 undecidable manual S 296 31.9458 50 -0.55 89
TV.SF04.EHZ. 2020-02-24T09:24:50.73 0.1 undecidable manual P 123 62.8926 50 0.15 92
TV.SF01.EHZ. 2020-02-24T09:24:49.92 0.1 undecidable manual P 130 58.0974 50 0.07 94
IV.OSSC.HHZ. 2020-02-24T09:24:48.00 0.1 undecidable manual P 24 45.5211 50 0.09 96
IV.ARCI.HHZ. 2020-02-24T09:24:48.48 0.1 undecidable manual P 131 49.8168 50 -0.09 96
IV.CASP.HHE. 2020-02-24T09:24:47.41 0.3 undecidable manual P 197 41.5251 50 0.12 72
IV.RIBO.EHZ.01 2020-02-24T09:24:47.00 0.6 undecidable manual S 173 22.3554 113 -0.68 43
IV.CSNT.HHZ. 2020-02-24T09:24:47.56 0.1 undecidable manual P 32 42.2244 50 0.16 96
IV.MAGO.CHZ. 2020-02-24T09:24:46.03 0.1 undecidable manual P 296 31.9458 50 0.22 96
IV.RIBO.EHZ.01 2020-02-24T09:24:44.11 0.3 undecidable manual P 173 22.3554 113 -0.01 76
IV.FROS.CHZ. 2020-02-24T09:24:44.36 0.3 undecidable manual S 60 13.2756 125 -0.56 69
IV.TRIF.CHZ. 2020-02-24T09:24:43.73 0.6 undecidable manual S 247 9.879 134 -0.27 49
IV.TRIF.CHZ. 2020-02-24T09:24:42.35 0.1 undecidable manual P 247 9.879 134 0.36 97
IV.FROS.CHZ. 2020-02-24T09:24:42.71 0.1 undecidable manual P 60 13.2756 125 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHE. ML:2.2 0.002395657 0.1216 AML other m 2020-02-24T09:24:44.21
IV.TRIF.CHN. ML:2.3 0.002696488 0.0832 AML other m 2020-02-24T09:24:44.23
IV.FROS.CHE. ML:1.8 0.0007160672 0.2176 AML other m 2020-02-24T09:24:44.64
IV.FROS.CHN. ML:2.0 0.0010660868000000002 0.1984 AML other m 2020-02-24T09:24:44.86
IV.RIBO.EHE.01 ML:2.0 0.00064266505 0.1792 AML other m 2020-02-24T09:24:47.18
IV.MAGO.CHE. ML:1.2 0.00007695965000000001 0.0768 AML other m 2020-02-24T09:24:50.65
IV.MAGO.CHN. ML:1.2 0.00007415711499999999 0.0704 AML other m 2020-02-24T09:24:51.03
IV.CSNT.HHN. ML:1.5 0.0001050808 0.16 AML other m 2020-02-24T09:24:53.27
IV.CSNT.HHE. ML:1.5 0.00009454413 0.1984 AML other m 2020-02-24T09:24:53.67
IV.OSSC.HHN. ML:1.0 0.000032388245 0.2432 AML other m 2020-02-24T09:24:54.80
IV.ARCI.HHN. ML:1.4 0.000067670275 0.1408 AML other m 2020-02-24T09:24:55.25
TV.SF01.EHN. ML:1.9 0.00015821435 0.1792 AML other m 2020-02-24T09:24:58.12
TV.SF01.EHE. ML:2.0 0.0002062602 0.3584 AML other m 2020-02-24T09:24:58.11
TV.SF04.EHE. ML:1.9 0.00017049049999999998 0.1984 AML other m 2020-02-24T09:24:59.47
TV.SF04.EHN. ML:1.8 0.00012041341 0.2624 AML other m 2020-02-24T09:24:59.64
IV.MAON.HHN. ML:1.6 0.000058688155 0.16 AML other m 2020-02-24T09:25:05.19
IV.OSSC.HNN. ML:1.8 0.00016440365 0.8192 AML other m 2020-02-24T09:24:56.28
IV.OSSC.HHE. ML:1.1 0.000038950120000000006 0.16 AML other m 2020-02-24T09:24:55.12
IV.OSSC.HNE. ML:1.6 0.00011000694 0.768 AML other m 2020-02-24T09:25:08.79
IV.ARCI.HHE. ML:1.4 0.000064523155 0.4608 AML other m 2020-02-24T09:24:55.15
IV.MAON.HNE. ML:2.1 0.00017886047 0.9984 AML other m 2020-02-24T09:25:11.13
IV.MAON.HHE. ML:1.8 0.000077798255 0.8832 AML other m 2020-02-24T09:25:05.16
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