Earthquake with magnitude of ML 1.2 on date 30-05-2016 and time 22:35:38 (Italy) in region 2 km W Castel Giorgio (TR)

A magnitude ML 1.2 earthquake occured in region: 2 km W Castel Giorgio (TR), on

  • 30-05-2016 20:35:38 (UTC)
  • 30-05-2016 22:35:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.716, 11.954 at 9 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
Castel Giorgio TR 2 2131 2131
San Lorenzo Nuovo VT 5 2091 4222
Castel Viscardo TR 6 2938 7160
Acquapendente VT 8 5506 12666
Grotte di Castro VT 8 2683 15349
Bolsena VT 8 3991 19340
Allerona TR 11 1794 21134
Proceno VT 11 557 21691
Gradoli VT 11 1353 23044
Onano VT 12 995 24039
Porano TR 13 1966 26005
Orvieto TR 13 20630 46635
Latera VT 14 836 47471
Lubriano VT 15 909 48380
Bagnoregio VT 16 3650 52030
Ficulle TR 16 1669 53699
Fabro TR 17 2876 56575
San Casciano dei Bagni SI 18 1632 58207
Capodimonte VT 19 1731 59938
Valentano VT 20 2868 62806
Sorano GR 20 3428 66234

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Viterbo (67173 inhabitants)
56 Km SW of Perugia (166134 inhabitants)
59 Km W of Terni (111501 inhabitants)
67 Km W of Foligno (57155 inhabitants)
69 Km E of Grosseto (82087 inhabitants)
71 Km N of Civitavecchia (52991 inhabitants)
84 Km S of Arezzo (99543 inhabitants)
84 Km SE of Siena (53903 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 1.2 2016-05-30
20:35:38
42.7165 11.954 9 2016-11-08
11:48:48
Bollettino Sismico Italiano INGV 25692661
Reviewed
Rev100
ML 1.3 2016-05-30
20:35:38
42.673 11.9787 5 2016-05-30
21:08:37
Sala Sismica INGV-Roma 25458901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-05-30 20:35:38 ± 0.24
Latitude 42.7165 ± 0.0108
Longitude 11.9540 ± 0.0110
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 25692661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1307
Semi-minor axis of confidence ellipse (meter) 498
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 1310
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.1367
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 25692661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-09-02 15:51:10

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 25458901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-05-30 21:08:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ARCI.HHE. 2016-05-30T20:35:52.72 0.6 undecidable manual S 291 0.3759 50 -0.16 47
IV.MGAB.HHZ. 2016-05-30T20:35:48.03 0.3 undecidable manual S 31 0.2275 110 -0.12 74
IV.ARCI.HHE. 2016-05-30T20:35:47.23 0.3 undecidable manual P 291 0.3759 50 0.29 69
IV.MCIV.HHZ. 2016-05-30T20:35:47.30 0.3 undecidable manual S 287 0.2131 111 -0.31 71
IV.SACS.HHZ. 2016-05-30T20:35:45.31 0.3 undecidable manual S 346 0.1367 121 0.36 71
IV.MCIV.HHZ. 2016-05-30T20:35:43.75 0.6 undecidable manual P 287 0.2131 111 -0.15 49
IV.MGAB.HHZ. 2016-05-30T20:35:43.90 0.3 undecidable manual P 31 0.2275 110 -0.31 71
IV.LATE.HHZ. 2016-05-30T20:35:42.85 0.6 undecidable manual P 227 0.1511 118 0.21 49
IV.SACS.HHZ. 2016-05-30T20:35:42.47 0.1 positive manual P 346 0.1367 121 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGAB.HHE. ML:1.1 7.225E-5 1.12 AML other m 2016-05-30T20:35:50.42
IV.MGAB.HHN. ML:1.1 7.395E-5 1.22 AML other m 2016-05-30T20:35:51.96
IV.SACS.HHN. ML:1.2 0.000153 1.34 AML other m 2016-05-30T20:35:46.85
IV.SACS.HHE. ML:1.4 0.0002665 1.22 AML other m 2016-05-30T20:35:46.99
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