Earthquake with magnitude of ML 2.0 on date 19-05-2016 and time 13:43:30 (Italy) in region 6 km S Radicondoli (SI)

A magnitude ML 2.0 earthquake occured in region: 6 km S Radicondoli (SI), on

  • 19-05-2016 11:43:30 (UTC)
  • 19-05-2016 13:43:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2050, 11.0470 at 8 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 6 1903 1903
Radicondoli SI 6 914 2817
Montieri GR 9 1204 4021
Castelnuovo di Val di Cecina PI 11 2231 6252
Monticiano SI 13 1571 7823
Casole d'Elsa SI 15 3897 11720
Monterotondo Marittimo GR 17 1371 13091
Sovicille SI 17 10116 23207
Pomarance PI 18 5897 29104

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Siena (53903 inhabitants)
50 Km N of Grosseto (82087 inhabitants)
63 Km S of Scandicci (50609 inhabitants)
65 Km S of Firenze (382808 inhabitants)
71 Km SE of Livorno (159219 inhabitants)
74 Km W of Arezzo (99543 inhabitants)
75 Km S of Prato (191150 inhabitants)
77 Km SE of Pisa (89158 inhabitants)
82 Km S of Pistoia (90315 inhabitants)
84 Km SE of Lucca (89046 inhabitants)
98 Km SE of Viareggio (62467 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 2.0 2016-05-19
11:43:30
43.2048 11.0468 8 2016-11-08
11:48:49
Bollettino Sismico Italiano INGV 26922261
Reviewed
Rev100
ML 1.8 2016-05-19
11:43:30
43.2035 11.0393 8 2016-05-19
11:51:59
Sala Sismica INGV-Roma 25189361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-05-19 11:43:30 ± 0.18
Latitude 43.2048 ± 0.0099
Longitude 11.0468 ± 0.0160
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 26922261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1526
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 126
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.08004
Epicentral distance of station farthest from the epicenter (degree) 0.77881
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 26922261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-09-01 15:53:35

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 25189361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-05-19 11:51:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RUFI.EHE. 2016-05-19T11:43:55.00 0.6 undecidable manual S 28 79.4649 50 0.15 44
IV.ARCI.HHZ. 2016-05-19T11:43:47.30 0.6 undecidable manual S 138 52.3032 50 -0.3 45
IV.CELB.HHE. 2016-05-19T11:43:46.14 0.1 undecidable manual P 233 84.7485 50 0.77 72
IV.MAON.HHZ. 2016-05-19T11:43:46.70 0.3 undecidable manual P 175 86.4468 50 1.08 47
IV.MPPT.EHE. 2016-05-19T11:43:45.45 0.3 undecidable manual P 2 83.5497 50 0.27 64
IV.RUFI.EHE. 2016-05-19T11:43:45.41 0.3 undecidable manual P 28 79.4649 50 0.86 53
IV.CASP.HHZ. 2016-05-19T11:43:45.45 0.1 undecidable manual S 198 48.2184 50 -1.05 68
IV.CAFI.HHZ. 2016-05-19T11:43:44.18 0.1 positive manual P 79 75.5688 50 0.24 87
IV.OSSC.HHE. 2016-05-19T11:43:43.30 0.6 undecidable manual S 24 38.8278 50 -0.69 41
IV.CSNT.HHE. 2016-05-19T11:43:42.30 0.3 undecidable manual S 33 35.6421 50 -0.84 58
IV.ARCI.HHZ. 2016-05-19T11:43:40.61 0.3 undecidable manual P 138 52.3032 50 0.24 68
IV.CASP.HHZ. 2016-05-19T11:43:40.00 0.1 positive manual P 198 48.2184 50 0.27 91
IV.OSSC.HHE. 2016-05-19T11:43:38.16 0.3 undecidable manual P 24 38.8278 50 -0.12 72
IV.CSNT.HHE. 2016-05-19T11:43:37.60 0.1 positive manual P 33 35.6421 50 -0.19 95
IV.TRIF.HHZ. 2016-05-19T11:43:35.80 0.6 undecidable manual S 229 15.3735 117 -0.69 43
IV.FROS.HHZ. 2016-05-19T11:43:34.40 0.3 undecidable manual S 86 8.88 132 -0.23 74
IV.FROS.HHZ. 2016-05-19T11:43:33.02 0.1 positive manual P 86 8.88 132 0.14 100
IV.TRIF.HHZ. 2016-05-19T11:43:33.77 0.1 positive manual P 229 15.3735 117 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARCI.HHE. ML:1.6 0.00011105000000000002 1.1 AML other m 2016-05-19T11:43:48.20
IV.ARCI.HHN. ML:1.6 0.00009385 0.16 AML other m 2016-05-19T11:43:47.94
IV.CASP.HHN. ML:1.9 0.00020600000000000002 0.82 AML other m 2016-05-19T11:43:45.51
IV.CASP.HHE. ML:2.1 0.00036150000000000006 0.2 AML other m 2016-05-19T11:43:49.93
IV.TRIF.HHE. ML:2.4 0.002335 0.2 AML other m 2016-05-19T11:43:36.63
IV.TRIF.HHN. ML:2.3 0.001965 0.72 AML other m 2016-05-19T11:43:36.74
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