Earthquake with magnitude of ML 1.3 on date 10-05-2020 and time 11:36:41 (Italy) in region 2 km S San Quirico d'Orcia (SI)

A magnitude ML 1.3 earthquake occured in region: 2 km S San Quirico d'Orcia (SI), on

  • 10-05-2020 09:36:41 (UTC)
  • 10-05-2020 11:36:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.04, 11.61 at 12 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
San Quirico d'Orcia SI 2 2662 2662
Castiglione d'Orcia SI 4 2346 5008
Pienza SI 7 2107 7115
Montalcino SI 10 5093 12208
San Giovanni d'Asso SI 12 853 13061
Seggiano GR 14 961 14022
Buonconvento SI 15 3173 17195
Montepulciano SI 15 14097 31292
Trequanda SI 17 1254 32546
Castel del Piano GR 18 4690 37236
Chianciano Terme SI 18 7105 44341
Abbadia San Salvatore SI 19 6444 50785
Torrita di Siena SI 19 7434 58219
Arcidosso GR 20 4285 62504

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Siena (53903 inhabitants)
51 Km NE of Grosseto (82087 inhabitants)
52 Km SW of Arezzo (99543 inhabitants)
64 Km W of Perugia (166134 inhabitants)
81 Km NW of Viterbo (67173 inhabitants)
86 Km SE of Firenze (382808 inhabitants)
87 Km SE of Scandicci (50609 inhabitants)
89 Km W of Foligno (57155 inhabitants)
100 Km NW of Terni (111501 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 1.3 2020-05-10
09:36:41
43.04 11.61 12 2020-11-19
12:36:45
Bollettino Sismico Italiano INGV 79330421
Reviewed
Rev100
ML 1.5 2020-05-10
09:36:41
43.05 11.61 12 2020-05-10
09:44:59
Sala Sismica INGV-Roma 79008251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-10 09:36:41 ± 0.07
Latitude 43.04 ± 0.00
Longitude 11.61 ± 0.01
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79330421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 542
Semi-minor axis of confidence ellipse (meter) 256
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) 540
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.18256
Epicentral distance of station farthest from the epicenter (degree) 0.7968
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 79330421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-13 10:26:24

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 79008251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-10 09:44:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRE.HHE. 2020-05-10T09:37:02.19 0.3 undecidable manual S 23 0.625 91 -0.17 90
IV.CSNT.HHZ. 2020-05-10T09:36:58.14 0.3 undecidable manual S 332 0.4883 91 -0.15 93
IV.RUFI.EHN. 2020-05-10T09:36:56.70 1.0 undecidable manual P 355 0.7968 91 0.28 28
IV.MGAB.HHZ. 2020-05-10T09:36:55.06 0.6 undecidable manual S 110 0.3894 92 -0.31 61
IV.ATVO.HHZ. 2020-05-10T09:36:54.26 0.3 undecidable manual P 59 0.6709 91 0 92
IV.FROS.CHZ. 2020-05-10T09:36:54.38 0.6 undecidable manual S 297 0.3705 92 -0.44 60
IV.CRE.HHE. 2020-05-10T09:36:53.41 0.3 undecidable manual P 23 0.625 91 -0.08 91
IV.SACS.HHZ. 2020-05-10T09:36:52.89 0.6 undecidable manual S 132 0.2932 93 0.38 62
IV.TRIF.CHZ. 2020-05-10T09:36:52.25 0.3 undecidable manual P 278 0.5216 91 0.53 84
TV.SF14.HHE. 2020-05-10T09:36:51.96 0.6 undecidable manual S 179 0.2887 93 -0.44 60
TV.SF01.EHZ. 2020-05-10T09:36:50.70 0.3 undecidable manual S 189 0.2347 94 -0.1 98
TV.SF13.HHE. 2020-05-10T09:36:50.31 0.3 undecidable manual S 178 0.2257 94 -0.22 96
IV.ARCI.HHZ. 2020-05-10T09:36:50.31 0.3 undecidable manual S 207 0.2167 95 0.06 100
TV.SF03.EHZ. 2020-05-10T09:36:50.86 0.3 undecidable manual S 167 0.2473 94 -0.31 94
IV.CSNT.HHZ. 2020-05-10T09:36:50.66 0.3 undecidable manual P 332 0.4883 91 -0.48 87
IV.FROS.CHZ. 2020-05-10T09:36:49.19 0.3 undecidable manual P 297 0.3705 92 0.06 96
IV.MGAB.HHZ. 2020-05-10T09:36:49.62 0.3 undecidable manual P 110 0.3894 92 0.17 95
TV.SF04.EHN. 2020-05-10T09:36:49.79 0.3 undecidable manual S 170 0.2113 95 -0.32 94
TV.SF11.HHE. 2020-05-10T09:36:48.87 0.6 undecidable manual S 164 0.1826 97 -0.38 62
IV.SACS.HHZ. 2020-05-10T09:36:47.90 0.3 undecidable manual P 132 0.2932 93 0.1 98
TV.SF14.HHE. 2020-05-10T09:36:47.97 0.3 undecidable manual P 179 0.2887 93 0.23 95
TV.SF03.EHZ. 2020-05-10T09:36:47.33 0.3 undecidable manual P 167 0.2473 94 0.3 95
TV.SF04.EHN. 2020-05-10T09:36:46.79 0.3 undecidable manual P 170 0.2113 95 0.37 94
TV.SF01.EHZ. 2020-05-10T09:36:46.80 0.3 undecidable manual P 189 0.2347 94 -0.01 100
TV.SF11.HHE. 2020-05-10T09:36:46.25 0.3 undecidable manual P 164 0.1826 97 0.33 95
TV.SF13.HHE. 2020-05-10T09:36:46.84 0.3 undecidable manual P 178 0.2257 94 0.18 97
IV.ARCI.HHZ. 2020-05-10T09:36:46.67 0.3 undecidable manual P 207 0.2167 95 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
TV.SF01.EHN. ML:1.8 0.0003785 0.2 AML other m 2020-05-10T09:36:51.88
TV.SF01.EHE. ML:1.7 0.0002485 0.28 AML other m 2020-05-10T09:36:52.01
IV.SACS.HHN. ML:1.2 6.38E-5 0.58 AML other m 2020-05-10T09:36:54.39
IV.ARCI.HHE. ML:1.2 0.0001073049 0.2752 AML other m 2020-05-10T09:36:50.52
IV.ARCI.HHN. ML:1.2 9.011903E-5 0.3968 AML other m 2020-05-10T09:36:50.57
IV.SACS.HHE. ML:1 4.2909155E-5 0.6016 AML other m 2020-05-10T09:36:53.50
IV.FROS.CHE. ML:1.4 8.8744315E-5 0.2624 AML other m 2020-05-10T09:36:55.03
IV.FROS.CHN. ML:1.4 8.5043735E-5 0.2048 AML other m 2020-05-10T09:36:54.51
IV.MGAB.HNN. ML:1.5 0.000102771015 0.1792 AML other m 2020-05-10T09:36:56.60
IV.MGAB.HHE. ML:1.3 6.5902475E-5 0.2176 AML other m 2020-05-10T09:36:56.56
IV.MGAB.HNE. ML:1.3 6.2929605E-5 0.7616 AML other m 2020-05-10T09:36:56.45
IV.MGAB.HHN. ML:1.5 9.723539E-5 0.16 AML other m 2020-05-10T09:36:56.68
IV.CSNT.HHE. ML:1.1 2.8602085E-5 0.1984 AML other m 2020-05-10T09:36:58.43
IV.CSNT.HHN. ML:0.9 1.8798225E-5 0.1216 AML other m 2020-05-10T09:36:58.37
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