Earthquake with magnitude of ML 1.4 on date 21-06-2020 and time 17:02:06 (Italy) in region 3 km NE Montalcino (SI)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Montalcino (SI), on

  • 21-06-2020 15:02:06 (UTC)
  • 21-06-2020 17:02:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0840, 11.5140 at 8 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
Montalcino SI 3 5093 5093
Buonconvento SI 7 3173 8266
San Quirico d'Orcia SI 8 2662 10928
San Giovanni d'Asso SI 10 853 11781
Castiglione d'Orcia SI 12 2346 14127
Pienza SI 14 2107 16234
Murlo SI 14 2389 18623
Trequanda SI 17 1254 19877
Asciano SI 17 7118 26995
Seggiano GR 18 961 27956
Monteroni d'Arbia SI 18 9088 37044

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SE of Siena (53903 inhabitants)
48 Km NE of Grosseto (82087 inhabitants)
52 Km SW of Arezzo (99543 inhabitants)
71 Km W of Perugia (166134 inhabitants)
79 Km S of Firenze (382808 inhabitants)
80 Km SE of Scandicci (50609 inhabitants)
88 Km NW of Viterbo (67173 inhabitants)
95 Km SE of Prato (191150 inhabitants)
98 Km W of Foligno (57155 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 1.4 2020-06-21
15:02:06
43.0835 11.5143 9 2020-06-21
15:48:11
Sala Sismica INGV-Roma 80380981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-21 15:02:06 ± 0.09
Latitude 43.0835 ± 0.0054
Longitude 11.5143 ± 0.0099
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80380981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 825
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80489
Number of stations at which the event was observed 50
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 80380981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-21 15:48:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHN. 2020-06-21T15:04:23.27 3.0 undecidable manual Sn -1.43 0
IV.IST3.HHE. 2020-06-21T15:04:15.53 3.0 undecidable manual Sn -6.33 0
IV.TDS.HHZ. 2020-06-21T15:04:15.18 3.0 undecidable manual Sn -2.88 0
IT.VRB.HGZ. 2020-06-21T15:03:42.63 3.0 undecidable manual Sn -0.92 0
IV.PAOL.HHZ. 2020-06-21T15:03:40.76 3.0 undecidable manual Sg 9.79 0
IV.ORI.HHN. 2020-06-21T15:03:31.43 3.0 undecidable manual Pg 14.11 0
CR.STON.BHZ. 2020-06-21T15:03:30.50 3.0 undecidable manual Pg 17.1 0
GU.MGRO.HHZ. 2020-06-21T15:03:30.17 3.0 undecidable manual Sg 2.2 0
IV.ZONE.HHN. 2020-06-21T15:03:30.35 3.0 undecidable manual Sg 4.16 0
ST.ZIAN.EHZ. 2020-06-21T15:03:27.02 3.0 undecidable manual Sn -6.54 0
IV.SARZ.HHZ. 2020-06-21T15:03:27.19 3.0 undecidable manual Sg 6.64 0
IV.MAGA.HHZ. 2020-06-21T15:03:26.37 3.0 undecidable manual Sg 2.77 0
IV.MBAL.EHN. 2020-06-21T15:03:24.02 3.0 undecidable manual Sg 3.22 0
OX.CGRP.HHZ. 2020-06-21T15:03:24.43 3.0 undecidable manual Sn 0.46 0
ST.GAGG.HHZ. 2020-06-21T15:03:24.49 3.0 undecidable manual Sn -5.26 0
SI.LUSI.HHZ. 2020-06-21T15:03:23.09 3.0 undecidable manual Sn -3.73 0
ST.VARA.EHZ. 2020-06-21T15:03:23.03 3.0 undecidable manual Sn -0.73 0
ST.PANI.EHZ. 2020-06-21T15:03:22.27 3.0 undecidable manual Sn -5.94 0
XK.GIZZ.HHZ. 2020-06-21T15:03:19.35 3.0 negative manual Pn -6.93 0
ST.DOSS.HHN. 2020-06-21T15:03:19.87 3.0 undecidable manual Sn -4.44 0
IX.STN3.HNE.01 2020-06-21T15:03:13.62 3.0 undecidable manual Pg 6.95 0
SL.LJU.BHN. 2020-06-21T15:03:12.72 3.0 undecidable manual Pg 11.6 0
IV.AMUR.HHZ. 2020-06-21T15:03:09.72 3.0 undecidable manual Pn -1.75 0
IV.LRP.EHZ. 2020-06-21T15:02:58.21 3.0 undecidable manual Sn -9.37 0
GU.GSCL.HHZ. 2020-06-21T15:02:54.58 3.0 undecidable manual Sg 2.92 0
IV.SARZ.HHN. 2020-06-21T15:02:51.26 3.0 undecidable manual Pg 3.39 0
IV.OVO.HHZ. 2020-06-21T15:02:50.60 3.0 undecidable manual Pn -3.94 0
ST.VARA.EHE. 2020-06-21T15:02:46.39 3.0 undecidable manual Pn -3.28 0
IV.LPEL.HHE. 2020-06-21T15:02:45.35 3.0 undecidable manual Pg 3.36 0
IV.POFI.HHZ. 2020-06-21T15:02:40.41 3.0 undecidable manual Pg -0.41 0
IV.TOLF.HHE. 2020-06-21T15:02:39.39 3.0 undecidable manual Sg -4.33 0
IV.LRP.EHZ. 2020-06-21T15:02:35.25 3.0 undecidable manual Pn -5.33 0
IV.MNTT.EHN. 2020-06-21T15:02:34.25 3.0 negative manual Pg 2.32 0
IV.COR1.EHN. 2020-06-21T15:02:32.19 3.0 undecidable manual Pg 4.73 0
IV.FIU.EHE. 2020-06-21T15:02:29.23 3.0 undecidable manual Pn -3.53 0
IV.PESA.HHE. 2020-06-21T15:02:26.54 3.0 negative manual Pn -1.98 0
IV.ATMI.HHZ. 2020-06-21T15:02:26.52 0.6 undecidable manual S 65 66.9774 50 -0.6 40
IV.CRTC.HHE. 2020-06-21T15:02:25.71 3.0 undecidable manual Pn -1.68 0
IV.CELB.HHE. 2020-06-21T15:02:24.57 3.0 undecidable manual Pg -2.61 0
IV.MGAB.HHZ. 2020-06-21T15:02:23.36 0.6 undecidable manual S 111 52.1034 50 0.22 46
IV.RINC.HHZ. 2020-06-21T15:02:22.07 0.1 undecidable manual P 5 89.3439 50 0.33 84
IV.RUFI.EHZ. 2020-06-21T15:02:21.15 0.1 undecidable manual P 360 83.6496 50 0.28 85
IV.CSNT.HHZ. 2020-06-21T15:02:21.01 0.6 undecidable manual S 337 46.8198 50 -0.74 40
IV.PARC.HHZ. 2020-06-21T15:02:21.27 0.3 negative manual P 43 85.6476 50 0.1 66
IV.ATMC.EHZ. 2020-06-21T15:02:18.43 0.1 undecidable manual P 53 67.9764 50 -0.02 93
TV.SF03.EHZ. 2020-06-21T15:02:18.63 0.6 undecidable manual S 156 34.1436 50 0.28 47
IV.ATMI.HHZ. 2020-06-21T15:02:18.55 0.3 undecidable manual P 65 66.9774 50 0.26 66
IV.FROS.CHZ. 2020-06-21T15:02:17.52 0.6 undecidable manual S 296 32.2455 105 -0.26 47
TV.SF11.HHZ. 2020-06-21T15:02:15.27 0.6 undecidable manual S 151 27.3504 107 -0.88 39
IV.MGAB.HHZ. 2020-06-21T15:02:15.93 0.6 undecidable manual P 111 52.1034 50 -0.06 47
IV.CSNT.HHZ. 2020-06-21T15:02:14.87 0.3 negative manual P 337 46.8198 50 -0.32 68
IV.FROS.CHZ. 2020-06-21T15:02:13.18 0.3 undecidable manual P 296 32.2455 105 0.28 70
TV.SF14.HHZ. 2020-06-21T15:02:13.74 0.1 undecidable manual P 167 37.3293 50 0.02 98
TV.SF03.EHZ. 2020-06-21T15:02:13.15 0.1 undecidable manual P 156 34.1436 50 -0.08 98
IV.MCIV.CHZ. 2020-06-21T15:02:13.48 0.1 undecidable manual P 159 36.3414 50 -0.08 97
TV.SF04.EHZ. 2020-06-21T15:02:12.48 0.1 positive manual P 157 29.9478 106 0.02 100
TV.SF01.EHZ. 2020-06-21T15:02:12.62 0.1 positive manual P 172 30.3474 106 0.08 98
TV.SF13.HHZ. 2020-06-21T15:02:12.70 0.1 undecidable manual P 164 30.6471 106 0.11 98
TV.SF11.HHZ. 2020-06-21T15:02:11.98 0.1 undecidable manual P 151 27.3504 107 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
TV.SF04.EHN. ML:1.6 0.000187 0.2 AML other m 2020-06-21T15:02:13.14
TV.SF04.EHE. ML:1.7 0.0002695 1.78 AML other m 2020-06-21T15:02:17.89
TV.SF01.EHE. ML:1.4 0.0001238 0.44 AML other m 2020-06-21T15:02:18.65
IV.FROS.CHE. ML:1.4 0.0001175 0.62 AML other m 2020-06-21T15:02:19.18
TV.SF01.EHN. ML:1.4 0.000124 0.28 AML other m 2020-06-21T15:02:19.22
IV.FROS.CHN. ML:1.3 0.00010015 1.4 AML other m 2020-06-21T15:02:19.93
IV.CSNT.HHE. ML:1.2 0.0000485 0.4 AML other m 2020-06-21T15:02:21.81
IV.CSNT.HHN. ML:1.2 0.0000451 1.28 AML other m 2020-06-21T15:02:21.65
IV.MGAB.HHN. ML:1.3 0.000046649999999999996 0.42 AML other m 2020-06-21T15:02:25.21
IV.MGAB.HHE. ML:1.2 0.000038400000000000005 1.4 AML other m 2020-06-21T15:02:26.23
IV.ATMI.HHN. ML:1.7 0.0000886 0.4 AML other m 2020-06-21T15:02:28.69
IV.ATMI.HHE. ML:1.6 0.00006510000000000001 0.56 AML other m 2020-06-21T15:02:31.29
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