Earthquake with magnitude of ML 2.0 on date 29-09-2023 and time 06:24:29 (Italy) in region 2 km SE San Lorenzo Nuovo (VT)

A magnitude ML 2.0 earthquake occured in region: 2 km SE San Lorenzo Nuovo (VT), on

  • 29-09-2023 04:24:29 (UTC)
  • 29-09-2023 06:24:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6670, 11.9180 at 1 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 2 2091 2091
Grotte di Castro VT 4 2683 4774
Gradoli VT 6 1353 6127
Bolsena VT 6 3991 10118
Castel Giorgio TR 7 2131 12249
Latera VT 9 836 13085
Onano VT 9 995 14080
Acquapendente VT 10 5506 19586
Castel Viscardo TR 12 2938 22524
Proceno VT 12 557 23081
Capodimonte VT 13 1731 24812
Valentano VT 14 2868 27680
Marta VT 15 3499 31179
Porano TR 15 1966 33145
Bagnoregio VT 16 3650 36795
Lubriano VT 16 909 37704
Orvieto TR 17 20630 58334
Sorano GR 17 3428 61762
Allerona TR 17 1794 63556
Montefiascone VT 17 13432 76988
Piansano VT 18 2079 79067
Ischia di Castro VT 19 2326 81393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Viterbo (67173 inhabitants)
61 Km W of Terni (111501 inhabitants)
62 Km SW of Perugia (166134 inhabitants)
65 Km N of Civitavecchia (52991 inhabitants)
67 Km E of Grosseto (82087 inhabitants)
72 Km W of Foligno (57155 inhabitants)
87 Km SE of Siena (53903 inhabitants)
89 Km S of Arezzo (99543 inhabitants)
98 Km NW of Roma (2864731 inhabitants)
100 Km NW of Guidonia Montecelio (88673 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
Reviewed
Rev100
ML 2.0 2023-09-29
04:24:29
42.6673 11.9178 1 2023-09-29
04:32:21
Sala Sismica INGV-Roma 121567981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-29 04:24:29 ± 0.12
Latitude 42.6673 ± 0.0054
Longitude 11.9178 ± 0.0073
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121567981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 670
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82738
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 8
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 121567981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-29 04:32:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KEK.HHZ. 2023-09-29T04:25:25.68 3.0 undecidable manual Pn -4.74 0
IV.HPAC.HHZ. 2023-09-29T04:25:25.42 3.0 positive manual Pn 0.88 0
IV.CAR1.HHZ. 2023-09-29T04:25:15.37 3.0 negative manual Pg 10.96 0
IV.CRJA.HHZ. 2023-09-29T04:25:10.84 3.0 positive manual Pn 8.47 0
IV.LNSS.HHZ. 2023-09-29T04:24:59.21 0.3 undecidable manual S 94 91.8414 50 0.49 63
IV.CIMA.HNZ. 2023-09-29T04:24:57.72 3.0 undecidable manual Sg 2.77 0
IV.ASSB.HHZ. 2023-09-29T04:24:54.09 0.3 undecidable manual S 55 73.2711 50 0.35 67
OT.OT17.EHZ. 2023-09-29T04:24:53.82 3.0 negative manual Pg 15.04 0
MN.TRI.HHZ. 2023-09-29T04:24:51.74 3.0 undecidable manual Sn -9.99 0
IV.ARVD.HHZ. 2023-09-29T04:24:48.19 3.0 undecidable manual Sg 3.75 0
IV.MOMA.HHZ. 2023-09-29T04:24:48.21 0.3 undecidable manual S 74 55.3002 91 -0.54 67
IV.LNSS.HHZ. 2023-09-29T04:24:46.47 0.1 undecidable manual P 94 91.8414 50 0.07 92
IV.BARO.EHZ. 2023-09-29T04:24:46.14 0.3 undecidable manual S 167 47.8188 92 -0.01 76
IV.ASSB.HHZ. 2023-09-29T04:24:44.26 0.1 undecidable manual P 55 73.2711 50 0.74 79
IV.MURB.HHZ. 2023-09-29T04:24:44.21 3.0 undecidable manual Sg 4.79 0
IV.ARCI.HHN. 2023-09-29T04:24:43.89 0.6 undecidable manual S 300 41.4252 92 -0.06 51
IV.MOMA.HHZ. 2023-09-29T04:24:40.40 0.6 undecidable manual P 74 55.3002 91 -0.24 48
IV.MGAB.HHZ. 2023-09-29T04:24:40.11 0.3 undecidable manual S 30 31.4463 92 -0.39 72
TV.SF11.HHZ. 2023-09-29T04:24:39.61 0.3 undecidable manual S 319 29.6481 92 -0.24 75
IV.BARO.EHZ. 2023-09-29T04:24:38.88 0.1 undecidable manual P 167 47.8188 92 -0.26 96
IV.ARCI.HHN. 2023-09-29T04:24:38.18 0.1 undecidable manual P 300 41.4252 92 0.31 96
IV.SACS.HHZ. 2023-09-29T04:24:37.01 0.3 undecidable manual S 358 20.1687 94 0.43 73
IV.MGAB.HHZ. 2023-09-29T04:24:35.44 0.1 undecidable manual P 30 31.4463 92 -0.44 95
TV.SF11.HHZ. 2023-09-29T04:24:35.28 0.1 undecidable manual P 319 29.6481 92 -0.22 100
IV.SACS.HHZ. 2023-09-29T04:24:33.69 0.3 undecidable manual P 358 20.1687 94 0.08 79
GU.TRAV.HHZ. 2023-09-29T04:24:24.12 3.0 undecidable manual Pn 6.12 0
GU.GBOS.HHZ. 2023-09-29T04:24:17.18 3.0 positive manual Pn 7.86 0
MN.VLC.HHZ. 2023-09-29T04:24:01.60 3.0 undecidable manual P 0.46 0
IV.CSNT.HHZ. 2023-09-29T04:24:01.96 3.0 undecidable manual P -0.26 0
IV.SFI.EHZ. 2023-09-29T04:24:01.67 3.0 undecidable manual P -3.77 0
IV.ZCCA.HHZ. 2023-09-29T04:23:59.95 3.0 undecidable manual Pn -3.37 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BARO.HNN. ML:1.8 0.000186 1.54 AML other m 2023-09-29T04:24:34.00
IV.SACS.HHE. ML:2.2 0.0013 0.72 AML other m 2023-09-29T04:24:37.62
IV.SACS.HNE. ML:2.2 0.001425 0.74 AML other m 2023-09-29T04:24:37.62
IV.SACS.HHN. ML:2.1 0.001045 1.42 AML other m 2023-09-29T04:24:37.88
IV.SACS.HNN. ML:2.1 0.0010215 1.44 AML other m 2023-09-29T04:24:37.89
IV.MGAB.HHE. ML:2.2 0.0007715 0.34 AML other m 2023-09-29T04:24:40.61
IV.MGAB.HNE. ML:2.2 0.0007735000000000001 0.34 AML other m 2023-09-29T04:24:40.61
IV.MGAB.HNN. ML:2.1 0.0006565 1.34 AML other m 2023-09-29T04:24:41.05
IV.MGAB.HHN. ML:2.1 0.0006855 0.92 AML other m 2023-09-29T04:24:41.27
TV.SF11.HHN. ML:1.9 0.0004205 0.3 AML other m 2023-09-29T04:24:43.31
TV.SF11.HHE. ML:1.8 0.00032900000000000003 0.42 AML other m 2023-09-29T04:24:44.17
IV.BARO.HNE. ML:1.8 0.000199 1.16 AML other m 2023-09-29T04:24:47.70
IV.MOMA.HHE. ML:1.7 0.000112 0.24 AML other m 2023-09-29T04:24:50.42
IV.MOMA.HHN. ML:1.7 0.000132 0.58 AML other m 2023-09-29T04:24:55.22
IV.ASSB.HHN. ML:1.5 0.00005 0.32 AML other m 2023-09-29T04:24:57.08
IV.ASSB.HHE. ML:1.5 0.000051250000000000006 1.02 AML other m 2023-09-29T04:24:57.99
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