Earthquake with magnitude of ML 2.1 on date 25-10-2022 and time 15:44:43 (Italy) in region 3 km SW Chiusdino (SI)

A magnitude ML 2.1 earthquake occured in region: 3 km SW Chiusdino (SI), on

  • 25-10-2022 13:44:43 (UTC)
  • 25-10-2022 15:44:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1340, 11.0770 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
Chiusdino SI 3 1903 1903
Montieri GR 5 1204 3107
Monticiano SI 9 1571 4678
Radicondoli SI 15 914 5592
Roccastrada GR 16 9199 14791
Castelnuovo di Val di Cecina PI 16 2231 17022
Massa Marittima GR 18 8375 25397
Monterotondo Marittimo GR 18 1371 26768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Siena (53903 inhabitants)
42 Km N of Grosseto (82087 inhabitants)
70 Km S of Scandicci (50609 inhabitants)
72 Km S of Firenze (382808 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
78 Km SE of Livorno (159219 inhabitants)
83 Km S of Prato (191150 inhabitants)
85 Km SE of Pisa (89158 inhabitants)
90 Km S of Pistoia (90315 inhabitants)
92 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
Bulletin
Rev1000
ML 2.1 2022-10-25
13:44:43
43.1342 11.0768 10 2024-03-01
15:27:58
Bollettino Sismico Italiano INGV 111257691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-10-25 13:44:43 ± 0.11
Latitude 43.1342 ± 0.0045
Longitude 11.0768 ± 0.0086
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 111257691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 647
Semi-minor axis of confidence ellipse (meter) 286
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
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) 93
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88673
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 111257691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-25 13:11:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2022-10-25T13:46:14.78 3.0 undecidable manual Sn 1.84 0
IV.TDS.HHZ. 2022-10-25T13:45:55.57 3.0 negative manual Pg 10.44 0
RF.GEPF.HHZ. 2022-10-25T13:45:50.72 3.0 undecidable manual Sn -4.79 0
IV.MCEL.HHZ. 2022-10-25T13:45:41.79 3.0 positive manual Pn 7.26 0
IX.COL3.HHZ.02 2022-10-25T13:45:39.50 3.0 undecidable manual Pg 11.97 0
IV.MCRV.HHZ. 2022-10-25T13:45:34.81 3.0 undecidable manual Pg 9.39 0
IV.LPEL.HHZ. 2022-10-25T13:45:30.38 3.0 undecidable manual Sn -2.55 0
IX.MNT3.EHZ.02 2022-10-25T13:45:23.98 3.0 undecidable manual Pn 0.22 0
GU.RORO.HHZ. 2022-10-25T13:45:21.14 3.0 undecidable manual Pn 3.34 0
SL.LJU.BHZ. 2022-10-25T13:45:18.52 3.0 negative manual Pn -3.01 0
IV.LRP.EHZ. 2022-10-25T13:45:10.15 3.0 negative manual Pg 4.16 0
IV.RUFI.EHE. 2022-10-25T13:45:09.48 0.6 undecidable manual S 24 85.4478 50 0.32 41
IV.TREG.HNZ. 2022-10-25T13:45:07.45 3.0 positive manual Pn -0.51 0
IV.LPEL.HHZ. 2022-10-25T13:45:05.65 3.0 negative manual Pn -0.32 0
IV.CRMI.HHZ. 2022-10-25T13:45:05.50 0.6 undecidable manual S 354 73.7706 50 -0.53 40
TV.SF11.HHZ. 2022-10-25T13:45:01.05 1.0 undecidable manual S 121 56.9985 50 -0.51 21
GU.MAIM.HHZ. 2022-10-25T13:45:00.50 0.3 undecidable manual P 332 98.4237 50 0.13 63
IV.MPPT.EHZ. 2022-10-25T13:44:59.60 0.3 undecidable manual P 1 91.3419 50 0.32 61
IV.RUFI.EHE. 2022-10-25T13:44:58.99 0.6 undecidable manual P 24 85.4478 50 0.61 38
IV.CELB.HHZ. 2022-10-25T13:44:58.28 0.3 undecidable manual P 239 82.4508 50 0.37 62
IV.OSSC.HHZ. 2022-10-25T13:44:58.09 0.3 undecidable manual S 17 45.3213 50 -0.34 66
IV.ARCI.HHZ. 2022-10-25T13:44:58.06 0.3 undecidable manual S 134 45.0216 50 -0.29 67
IV.CSNT.HHZ. 2022-10-25T13:44:56.76 0.3 undecidable manual S 25 41.3253 50 -0.62 62
IV.CRMI.HHZ. 2022-10-25T13:44:56.78 0.3 undecidable manual P 354 73.7706 50 0.2 65
IV.CASP.HHZ. 2022-10-25T13:44:56.57 0.3 undecidable manual S 204 41.8248 50 -0.92 54
IV.MALA2.EHN. 2022-10-25T13:44:55.57 0.6 undecidable manual S 114 35.6421 50 -0.27 46
IV.MALA5.EHN. 2022-10-25T13:44:55.40 0.6 undecidable manual S 113 35.4423 50 -0.4 44
IV.MALA1.EHN. 2022-10-25T13:44:55.87 0.6 undecidable manual S 114 35.5422 50 0.06 48
IV.MALA0.EHN. 2022-10-25T13:44:55.38 0.6 undecidable manual S 114 35.1426 50 -0.35 45
IV.MCIV.CHZ. 2022-10-25T13:44:55.34 0.1 undecidable manual P 129 62.6928 50 0.48 83
TV.SF11.HHZ. 2022-10-25T13:44:54.50 0.1 undecidable manual P 121 56.9985 50 0.5 84
IV.OSSC.HHZ. 2022-10-25T13:44:52.10 0.1 undecidable manual P 17 45.3213 50 -0.09 93
IV.ARCI.HHZ. 2022-10-25T13:44:52.43 0.1 undecidable manual P 134 45.0216 50 0.29 90
IV.CSNT.HHZ. 2022-10-25T13:44:51.52 0.1 undecidable manual P 25 41.3253 50 -0.06 95
IV.SENI.EHZ. 2022-10-25T13:44:51.51 3.0 positive manual P 1.32 0
IV.RIBO.EHZ.01 2022-10-25T13:44:51.02 0.6 undecidable manual S 187 20.6682 116 -0.63 43
IV.CASP.HHZ. 2022-10-25T13:44:51.77 0.1 undecidable manual P 204 41.8248 50 0.12 93
IV.MALA0.EHN. 2022-10-25T13:44:50.74 0.1 undecidable manual P 114 35.1426 50 0.11 95
IV.MALA2.EHN. 2022-10-25T13:44:50.87 0.1 undecidable manual P 114 35.6421 50 0.18 93
IV.FRON.EHZ. 2022-10-25T13:44:50.05 3.0 undecidable manual S -1.35 0
IV.MALA1.EHN. 2022-10-25T13:44:50.87 0.1 undecidable manual P 114 35.5422 50 0.19 93
IV.MALA5.EHN. 2022-10-25T13:44:50.85 0.3 undecidable manual P 113 35.4423 50 0.18 70
IV.FROS.CHZ. 2022-10-25T13:44:48.28 0.6 undecidable manual S 37 10.5783 134 -0.45 46
IV.RIBO.EHZ.01 2022-10-25T13:44:48.16 0.3 undecidable manual P 187 20.6682 116 -0.11 73
IV.FROS.CHZ. 2022-10-25T13:44:46.54 0.1 positive manual P 37 10.5783 134 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHE. ML:2.5 0.003785 0.62 AML other m 2022-10-25T13:44:48.33
IV.FROS.CHN. ML:2.6 0.00462 0.22 AML other m 2022-10-25T13:44:48.65
IV.RIBO.EHN.01 ML:2.6 0.003225 0.14 AML other m 2022-10-25T13:44:51.42
IV.RIBO.EHE.01 ML:2.4 0.00189 0.6 AML other m 2022-10-25T13:44:51.22
IV.MCIV.CHE. ML:1.7 0.0000913 1 AML other m 2022-10-25T13:44:55.21
IV.CASP.HNN. ML:2.6 0.0013399999999999998 0.2 AML other m 2022-10-25T13:44:56.75
IV.CASP.HHE. ML:2.5 0.00102 1.64 AML other m 2022-10-25T13:44:56.91
IV.CASP.HHN. ML:2.6 0.00139 1.78 AML other m 2022-10-25T13:44:56.07
IV.CASP.HNE. ML:2.5 0.0009559999999999999 1.64 AML other m 2022-10-25T13:44:57.05
IV.CSNT.HHE. ML:2.0 0.0003205 0.54 AML other m 2022-10-25T13:44:57.05
IV.CSNT.HHN. ML:2.0 0.000354 0.16 AML other m 2022-10-25T13:44:57.00
IV.OSSC.HHE. ML:1.8 0.0001805 0.42 AML other m 2022-10-25T13:44:58.34
IV.ARCI.HHN. ML:1.8 0.00020700000000000002 1.7 AML other m 2022-10-25T13:44:58.94
IV.ARCI.HHE. ML:1.8 0.0001975 1.22 AML other m 2022-10-25T13:45:00.31
IV.OSSC.HHN. ML:1.6 0.000128 0.92 AML other m 2022-10-25T13:45:00.57
IV.MCIV.CHN. ML:1.7 0.00009955 0.2 AML other m 2022-10-25T13:45:05.47
IV.CRMI.HHN. ML:1.2 0.000023168929999999996 0.16 AML other m 2022-10-25T13:45:06.63
IV.CRMI.HHE. ML:1.1 0.000019426209999999998 0.2432 AML other m 2022-10-25T13:45:07.10
IV.CELB.HHE. ML:2.3 0.000248 0.06 AML other m 2022-10-25T13:45:31.83
IV.CELB.HHN. ML:2.3 0.00026450000000000003 0.08 AML other m 2022-10-25T13:45:32.08
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