Earthquake with magnitude of ML 1.3 on date 03-03-2017 and time 01:24:49 (Italy) in region 2 km W Buonconvento (SI)

A magnitude ML 1.3 earthquake occured in region: 2 km W Buonconvento (SI), on

  • 03-03-2017 00:24:49 (UTC)
  • 03-03-2017 01:24:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1310, 11.4620 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
Buonconvento SI 2 3173 3173
Murlo SI 7 2389 5562
Montalcino SI 8 5093 10655
San Giovanni d'Asso SI 11 853 11508
Monteroni d'Arbia SI 12 9088 20596
San Quirico d'Orcia SI 14 2662 23258
Asciano SI 14 7118 30376
Trequanda SI 18 1254 31630
Pienza SI 19 2107 33737
Castiglione d'Orcia SI 19 2346 36083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Siena (53903 inhabitants)
50 Km NE of Grosseto (82087 inhabitants)
51 Km SW of Arezzo (99543 inhabitants)
73 Km S of Firenze (382808 inhabitants)
73 Km SE of Scandicci (50609 inhabitants)
75 Km W of Perugia (166134 inhabitants)
89 Km SE of Prato (191150 inhabitants)
95 Km NW of Viterbo (67173 inhabitants)
100 Km SE 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 1.3 2017-03-03
00:24:49
43.1307 11.4623 10 2018-01-10
09:55:04
Bollettino Sismico Italiano INGV 50282921
Reviewed
Rev100
ML 1.5 2017-03-03
00:24:49
43.1308 11.4567 9 2017-03-03
00:38:00
Sala Sismica INGV-Roma 41874721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-03 00:24:49 ± 0.12
Latitude 43.1307 ± 0.0072
Longitude 11.4623 ± 0.0136
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50282921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1100
Semi-minor axis of confidence ellipse (meter) 810
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75093
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 50282921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-10-24 13:11:15

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 41874721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-03 00:38:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAMA.HHZ. 2017-03-03T00:25:11.44 3.0 undecidable manual S -0.09 0
IV.CRMI.HHE. 2017-03-03T00:25:04.49 0.3 undecidable manual P 332 83.3499 50 0.6 59
IV.OSSC.HHZ. 2017-03-03T00:25:04.12 0.6 undecidable manual S 338 46.9197 50 -0.59 43
IV.MAON.HHE. 2017-03-03T00:25:03.68 0.6 undecidable manual P 199 82.4508 50 -0.07 45
IV.TRIF.HHZ. 2017-03-03T00:25:03.57 0.6 undecidable manual S 268 45.3213 50 -0.72 41
IV.ASQU.HHN. 2017-03-03T00:25:03.30 0.6 undecidable manual P 19 78.4659 50 0.17 45
IV.CSNT.HHZ. 2017-03-03T00:25:02.14 0.6 undecidable manual S 340 40.4262 50 -0.84 39
IV.SSP9.EHZ. 2017-03-03T00:25:02.82 0.3 undecidable manual P 47 72.9714 50 0.53 62
IV.MAGO.HHZ. 2017-03-03T00:25:01.91 0.3 undecidable manual P 284 66.9774 50 0.55 62
IV.CRE.HHZ. 2017-03-03T00:25:01.62 0.3 undecidable manual P 36 66.9774 50 0.25 67
IV.CASP.HHZ. 2017-03-03T00:25:01.26 0.1 undecidable manual P 232 61.3941 50 0.75 78
TV.SF01.EHE. 2017-03-03T00:25:00.93 0.6 undecidable manual S 167 36.3414 50 -0.94 37
IV.MGAB.HNE. 2017-03-03T00:25:00.10 0.6 undecidable manual P 114 57.9975 50 0.12 47
IV.ARCI.HHE. 2017-03-03T00:24:59.65 0.6 undecidable manual S 178 30.9468 50 -0.79 40
IV.TRIF.HHZ. 2017-03-03T00:24:58.36 0.1 undecidable manual P 268 45.3213 50 0.33 92
IV.SACS.HHZ. 2017-03-03T00:24:58.90 0.6 undecidable manual P 131 47.9187 50 0.48 44
IV.OSSC.HHZ. 2017-03-03T00:24:58.07 0.3 undecidable manual P 338 46.9197 50 -0.21 70
IV.CAFI.HHZ. 2017-03-03T00:24:57.92 0.1 undecidable manual P 61 46.3203 50 -0.26 93
TV.SF01.EHE. 2017-03-03T00:24:56.60 0.1 undecidable manual P 167 36.3414 50 -0.04 99
IV.CSNT.HHZ. 2017-03-03T00:24:56.82 0.1 undecidable manual P 340 40.4262 50 -0.45 90
IV.ARCI.HHE. 2017-03-03T00:24:55.77 0.1 undecidable manual P 178 30.9468 50 -0.04 100
IV.ARVD.HHZ. 2017-03-03T00:24:47.73 3.0 undecidable manual S 1.25 0
IV.OFFI.HHZ. 2017-03-03T00:24:46.03 3.0 undecidable manual S -0.68 0
IV.FAGN.HHZ. 2017-03-03T00:24:46.76 3.0 negative manual P 0.78 0
IV.FIAM.HHZ. 2017-03-03T00:24:44.43 3.0 positive manual P 0.23 0
IV.GIGS.HHZ. 2017-03-03T00:24:43.00 3.0 undecidable manual P 0.1 0
IV.T1222.EHZ. 2017-03-03T00:24:42.72 3.0 positive manual P 1.02 0
IV.T1247.HHZ. 2017-03-03T00:24:41.50 3.0 negative manual P 0.03 0
IV.T1217.EHZ. 2017-03-03T00:24:41.81 3.0 undecidable manual S -0.11 0
IV.CAMP.HHZ. 2017-03-03T00:24:40.54 3.0 undecidable manual P 0.1 0
IV.RM33.EHZ. 2017-03-03T00:24:40.28 3.0 positive manual P 0.32 0
IV.TERO.HHZ. 2017-03-03T00:24:39.56 3.0 undecidable manual P -1.17 0
IV.SMA1.EHZ. 2017-03-03T00:24:39.29 3.0 negative manual P 0.87 0
IV.T1299.EHZ. 2017-03-03T00:24:38.69 3.0 undecidable manual P 0.65 0
IV.CING.HHZ. 2017-03-03T00:24:37.07 3.0 negative manual P 0.43 0
IV.T1241.EHZ. 2017-03-03T00:24:35.25 3.0 positive manual P -0.9 0
IV.SNTG.HHZ. 2017-03-03T00:24:35.18 3.0 positive manual P 0.89 0
IV.T1218.EHZ. 2017-03-03T00:24:35.97 3.0 undecidable manual P -0.81 0
IV.EL6.EHZ. 2017-03-03T00:24:35.95 3.0 negative manual P 0.43 0
IV.T1215.EHZ. 2017-03-03T00:24:34.62 3.0 negative manual P -0.31 0
IV.T1212.EHZ. 2017-03-03T00:24:34.53 3.0 positive manual P -0.68 0
IV.T1214.EHZ. 2017-03-03T00:24:34.87 3.0 undecidable manual P -0.65 0
IV.NRCA.HHZ. 2017-03-03T00:24:33.16 3.0 positive manual P -0.51 0
IV.T1245.HHZ. 2017-03-03T00:24:33.07 3.0 undecidable manual P -0.57 0
IV.CSP1.EHZ. 2017-03-03T00:24:32.22 3.0 positive manual P 0.09 0
IV.MC2.EHZ. 2017-03-03T00:24:32.14 3.0 undecidable manual P -0.59 0
IV.T1220.EHZ. 2017-03-03T00:24:31.31 3.0 negative manual P 0 0
IV.T1256.HHZ. 2017-03-03T00:24:31.29 3.0 undecidable manual P -0.92 0
IV.FDMO.HHZ. 2017-03-03T00:24:29.86 3.0 undecidable manual P -0.79 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.HHE. ML:1.2 0.00005154504999999999 0.192 AML other m 2017-03-03T00:25:03.69
IV.TRIF.HHN. ML:1.4 0.00007087595500000001 0.096 AML other m 2017-03-03T00:25:03.85
IV.SACS.HNE. ML:1.3 0.00005236881 2.24 AML other m 2017-03-03T00:25:07.60
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