Earthquake with magnitude of Md 1.5 on date 31-10-2016 and time 00:33:06 (Italy) in region 1 km E San Lorenzo Nuovo (VT)

A magnitude Md 1.5 earthquake occured in region: 1 km E San Lorenzo Nuovo (VT), on

  • 30-10-2016 23:33:06 (UTC)
  • 31-10-2016 00:33:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6900, 11.9170 at 7 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 Lorenzo Nuovo VT 1 2091 2091
Grotte di Castro VT 4 2683 4774
Castel Giorgio TR 6 2131 6905
Gradoli VT 7 1353 8258
Acquapendente VT 7 5506 13764
Bolsena VT 8 3991 17755
Onano VT 8 995 18750
Latera VT 10 836 19586
Castel Viscardo TR 10 2938 22524
Proceno VT 10 557 23081
Allerona TR 14 1794 24875
Porano TR 15 1966 26841
Valentano VT 16 2868 29709
Capodimonte VT 16 1731 31440
Orvieto TR 16 20630 52070
Bagnoregio VT 17 3650 55720
Sorano GR 17 3428 59148
Lubriano VT 17 909 60057
Marta VT 17 3499 63556
Montefiascone VT 19 13432 76988

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Viterbo (67173 inhabitants)
60 Km SW of Perugia (166134 inhabitants)
61 Km W of Terni (111501 inhabitants)
66 Km E of Grosseto (82087 inhabitants)
67 Km N of Civitavecchia (52991 inhabitants)
71 Km W of Foligno (57155 inhabitants)
85 Km SE of Siena (53903 inhabitants)
87 Km S of Arezzo (99543 inhabitants)
100 Km NW of Roma (2864731 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
Md 1.5 2016-10-30
23:33:06
42.6903 11.9172 7 2019-02-12
14:03:25
Bollettino Sismico Italiano INGV 48767271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-30 23:33:06 ± 0.16
Latitude 42.6903 ± 0.0063
Longitude 11.9172 ± 0.0073
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 48767271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 741
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 319
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 194
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 0.36243
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude Md
Reference to an origin 48767271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-08-07 07:44:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2016-10-30T23:33:20.97 0.6 undecidable manual S 297 40.2264 50 0.38 45
IV.MGAB.HHZ. 2016-10-30T23:33:17.10 0.3 undecidable manual S 33 29.3484 103 0.17 71
TV.SF13.HHN. 2016-10-30T23:33:16.39 0.6 undecidable manual S 300 28.0497 104 -0.13 48
TV.SF04.EHZ. 2016-10-30T23:33:15.63 0.6 undecidable manual S 308 26.3514 105 -0.31 46
TV.SF03.EHN. 2016-10-30T23:33:14.63 0.6 undecidable manual S 304 22.6551 107 -0.05 49
IV.ARCI.HHZ. 2016-10-30T23:33:14.66 0.3 undecidable manual P 297 40.2264 50 0.03 72
IV.MCIV.HHN. 2016-10-30T23:33:14.84 0.6 undecidable manual S 297 21.9669 107 0.4 46
IV.SACS.HHE. 2016-10-30T23:33:13.45 0.3 undecidable manual S 358 17.6712 111 0.41 69
TV.SF04.EHZ. 2016-10-30T23:33:12.01 0.1 undecidable manual P 308 26.3514 105 0.06 98
IV.MGAB.HHZ. 2016-10-30T23:33:12.10 0.3 undecidable manual P 33 29.3484 103 -0.41 68
IV.MCIV.HHN. 2016-10-30T23:33:11.39 0.3 undecidable manual P 297 21.9669 107 0.31 70
IV.LATE.HHZ. 2016-10-30T23:33:11.73 0.6 undecidable manual S 227 12.5763 119 0.28 48
TV.SF13.HHN. 2016-10-30T23:33:11.94 0.1 undecidable manual P 300 28.0497 104 -0.34 92
TV.SF03.EHN. 2016-10-30T23:33:11.04 0.3 undecidable manual P 304 22.6551 107 -0.17 72
TV.SF14.HHN. 2016-10-30T23:33:11.41 0.1 undecidable manual P 286 25.6521 105 -0.4 91
IV.SACS.HHE. 2016-10-30T23:33:10.25 0.1 undecidable manual P 358 17.6712 111 -0.02 100
IV.LATE.HHZ. 2016-10-30T23:33:09.48 0.1 undecidable manual P 227 12.5763 119 0.13 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
Waveforms Seismic signals in miniseed + resp format Download