Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 16-05-2023 and time 11:34:13 (Italy) in region 1 km W Vasanello (VT)

A magnitude ML 2.2 earthquake occured in region: 1 km W Vasanello (VT), on

  • 16-05-2023 09:34:13 (UTC)
  • 16-05-2023 11:34:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4190, 12.3360 at 7 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Vasanello VT 1 4068 4068
Bassano in Teverina VT 5 1313 5381
Vignanello VT 6 4652 10033
Orte VT 6 8923 18956
Vallerano VT 7 2621 21577
Gallese VT 8 2849 24426
Corchiano VT 8 3869 28295
Soriano nel Cimino VT 8 8403 36698
Penna in Teverina TR 9 1099 37797
Canepina VT 9 3082 40879
Fabrica di Roma VT 10 8340 49219
Giove TR 10 1928 51147
Bomarzo VT 11 1805 52952
Carbognano VT 11 1995 54947
Attigliano TR 11 2028 56975
Otricoli TR 12 1869 58844
Caprarola VT 13 5487 64331
Magliano Sabina RI 14 3774 68105
Vitorchiano VT 14 5233 73338
Civita Castellana VT 16 16491 89829
Amelia TR 17 11897 101726
Ronciglione VT 17 8669 110395
Lugnano in Teverina TR 17 1494 111889
Narni TR 19 19785 131674
Viterbo VT 19 67173 198847
Castel Sant'Elia VT 19 2683 201530
Alviano TR 19 1463 202993
Calvi dell'Umbria TR 19 1856 204849
Nepi VT 20 9687 214536

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Viterbo (67173 inhabitants)
30 Km SW of Terni (111501 inhabitants)
57 Km NW of Guidonia Montecelio (88673 inhabitants)
58 Km NE of Civitavecchia (52991 inhabitants)
60 Km N of Roma (2864731 inhabitants)
63 Km NW of Tivoli (56533 inhabitants)
67 Km SW of Foligno (57155 inhabitants)
72 Km N of Fiumicino (78395 inhabitants)
77 Km S of Perugia (166134 inhabitants)
84 Km N of Pomezia (62966 inhabitants)
88 Km W of L'Aquila (69753 inhabitants)
89 Km NW of Velletri (53303 inhabitants)
95 Km N of Aprilia (73446 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 2.2 2023-05-16
09:34:13		 42.4193 12.3363 7 2023-05-16
09:41:53		 Sala Sismica INGV-Roma 117402551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-16 09:34:13 ± 0.06
Latitude 42.4193 ± 0.0036
Longitude 12.3363 ± 0.0049
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117402551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 302
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65920
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 117402551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-16 09:41:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MARN.HHZ. 2023-05-16T09:35:02.88 3.0 undecidable manual Pn -2.54 0
IV.FNVD.HHZ. 2023-05-16T09:34:53.09 3.0 positive manual Pg 6.28 0
IV.GUMA.HHZ. 2023-05-16T09:34:46.70 3.0 undecidable manual S -1.05 0
IV.ATMI.HHZ. 2023-05-16T09:34:46.55 3.0 undecidable manual S 0.45 0
IV.CSP1.EHZ. 2023-05-16T09:34:46.82 3.0 undecidable manual S 0.65 0
IV.MML1.EHZ. 2023-05-16T09:34:43.54 3.0 undecidable manual S 0.31 0
IV.FDMO.HHZ. 2023-05-16T09:34:42.70 3.0 undecidable manual S -0.21 0
IV.RM33.EHZ. 2023-05-16T09:34:37.25 3.0 undecidable manual S 0.25 0
IV.CASP.HHZ. 2023-05-16T09:34:35.33 3.0 undecidable manual P -0.39 0
IV.FIAM.HHZ. 2023-05-16T09:34:35.30 3.0 undecidable manual S 0.26 0
IV.LNSS.HHZ. 2023-05-16T09:34:33.47 3.0 undecidable manual S -0.13 0
IV.EL6.EHZ. 2023-05-16T09:34:33.84 3.0 positive manual P -0.59 0
IV.MML1.EHZ. 2023-05-16T09:34:32.13 3.0 positive manual P 1.87 0
IV.MTCE.HHZ. 2023-05-16T09:34:31.65 0.6 undecidable manual S 143 55.2003 50 -0.12 46
IV.CSP1.EHZ. 2023-05-16T09:34:31.36 3.0 undecidable manual P -0.55 0
IV.ASSB.HHZ. 2023-05-16T09:34:27.55 3.0 positive manual P 0.39 0
IV.NRCA.HHZ. 2023-05-16T09:34:27.51 3.0 negative manual P -0.28 0
IV.CESI.HHZ. 2023-05-16T09:34:27.04 3.0 undecidable manual P -1.04 0
IV.ARRO.EHZ. 2023-05-16T09:34:27.95 0.6 undecidable manual S 63 39.3273 50 0.42 45
IV.MCIV.CHN. 2023-05-16T09:34:26.16 0.1 undecidable manual P 307 66.9774 50 0.22 89
IV.RM33.EHZ. 2023-05-16T09:34:26.72 3.0 positive manual P -0.04 0
TV.SF11.HHZ. 2023-05-16T09:34:26.80 0.1 undecidable manual P 313 73.1712 50 -0.09 90
IV.FIAM.HHZ. 2023-05-16T09:34:25.73 3.0 undecidable manual P 0.07 0
IV.SACS.HHZ. 2023-05-16T09:34:24.70 1.0 undecidable manual P 324 58.9965 50 -0.01 24
IV.CESX.HHZ. 2023-05-16T09:34:24.06 0.6 undecidable manual S 44 29.3484 103 -0.07 49
IV.BARO.EHZ. 2023-05-16T09:34:24.53 0.6 undecidable manual S 231 30.1476 103 0.12 49
IV.MGAB.HHZ. 2023-05-16T09:34:24.84 0.6 positive manual P 342 57.6978 50 0.34 44
IV.LNSS.HHZ. 2023-05-16T09:34:24.78 3.0 positive manual P -0.07 0
IV.MTCE.HHZ. 2023-05-16T09:34:23.84 1.0 undecidable manual P 143 55.2003 50 -0.28 22
IV.SRES.HHZ. 2023-05-16T09:34:22.56 0.6 undecidable manual S 145 24.753 106 -0.04 50
IV.LATE.HHN. 2023-05-16T09:34:22.89 0.1 undecidable manual P 297 48.618 50 -0.2 92
IV.ARRO.EHZ. 2023-05-16T09:34:22.09 1.0 negative manual P 63 39.3273 50 0.42 22
IV.MOMA.HHZ. 2023-05-16T09:34:22.46 0.1 undecidable manual P 24 46.7199 50 -0.35 90
IV.BARO.EHZ. 2023-05-16T09:34:19.84 1.0 undecidable manual P 231 30.1476 103 -0.03 25
IV.CESX.HHZ. 2023-05-16T09:34:19.60 0.6 undecidable manual P 44 29.3484 103 -0.11 49
IV.SRES.HHZ. 2023-05-16T09:34:18.85 0.1 negative manual P 145 24.753 106 0.03 100
IV.ORTE.EHZ. 2023-05-16T09:34:16.71 0.6 undecidable manual S 41 6.0939 139 -0.17 50
IV.ORTE.EHZ. 2023-05-16T09:34:15.71 0.1 negative manual P 41 6.0939 139 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SRES.HHE. ML:1.9 0.0004755 1.46 AML other m 2023-05-16T09:34:23.19
IV.SRES.HHN. ML:1.8 0.0004035 1 AML other m 2023-05-16T09:34:23.62
IV.BARO.HNN. ML:2.1 0.000656 1.3 AML other m 2023-05-16T09:34:25.83
IV.BARO.EHN. ML:2.1 0.0006504999999999999 1.28 AML other m 2023-05-16T09:34:25.82
IV.BARO.HNE. ML:2.1 0.0006355 1.12 AML other m 2023-05-16T09:34:27.26
IV.BARO.EHE. ML:2.1 0.000615 1.1 AML other m 2023-05-16T09:34:27.26
IV.ARRO.EHE. ML:2.1 0.0004615 0.52 AML other m 2023-05-16T09:34:29.85
IV.CESX.HHE. ML:1.9 0.0004465 0.76 AML other m 2023-05-16T09:34:29.98
IV.ARRO.EHN. ML:2.1 0.00045099999999999996 0.42 AML other m 2023-05-16T09:34:30.44
IV.CESX.HHN. ML:1.9 0.00037 0.3 AML other m 2023-05-16T09:34:31.62
IV.MOMA.HHE. ML:2.2 0.000486 0.82 AML other m 2023-05-16T09:34:31.31
IV.MOMA.HHN. ML:1.6 0.00013000000000000002 0.4 AML other m 2023-05-16T09:34:31.78
IV.MTCE.HHN. ML:2.1 0.0002945 0.54 AML other m 2023-05-16T09:34:32.80
IV.LNSS.HHN. ML:2.5 0.0006619999999999999 1.12 AML other m 2023-05-16T09:34:34.08
IV.MGAB.HHE. ML:2.1 0.0002615 0.24 AML other m 2023-05-16T09:34:34.36
IV.LNSS.HHE. ML:2.4 0.000551 0.9 AML other m 2023-05-16T09:34:34.27
IV.FIAM.HHN. ML:1.9 0.000135 0.44 AML other m 2023-05-16T09:34:36.42
IV.MTCE.HHE. ML:2.1 0.000266 0.46 AML other m 2023-05-16T09:34:38.69
IV.MGAB.HHN. ML:2.1 0.0002855 0.7 AML other m 2023-05-16T09:34:38.91
IV.RM33.EHN. ML:2.2 0.000261 1.28 AML other m 2023-05-16T09:34:39.80
IV.EL6.EHE. ML:2.5 0.00023799999999999998 0.42 AML other m 2023-05-16T09:34:39.84
IV.NRCA.HHE. ML:2.3 0.0002655 0.72 AML other m 2023-05-16T09:34:39.60
IV.RM33.EHE. ML:2.3 0.00029949999999999996 0.32 AML other m 2023-05-16T09:34:40.71
IV.NRCA.HHN. ML:2.2 0.00022349999999999998 0.42 AML other m 2023-05-16T09:34:40.90
IV.CESI.HHN. ML:2.2 0.00023899999999999998 1.66 AML other m 2023-05-16T09:34:42.02
IV.FIAM.HHE. ML:1.7 0.00009065000000000001 0.5 AML other m 2023-05-16T09:34:43.60
IV.CESI.HHE. ML:2.2 0.000248 0.34 AML other m 2023-05-16T09:34:43.37
IV.GUMA.HHN. ML:2.6 0.000352 1.58 AML other m 2023-05-16T09:34:49.02
IV.CSP1.EHN. ML:2.7 0.0005340000000000001 0.54 AML other m 2023-05-16T09:34:50.54
IV.CSP1.EHE. ML:2.7 0.000472 0.48 AML other m 2023-05-16T09:34:51.75
IV.ATMI.HHE. ML:2.4 0.00021400000000000002 1.02 AML other m 2023-05-16T09:34:52.01
IV.EL6.EHN. ML:2.5 0.0002515 0.94 AML other m 2023-05-16T09:34:52.86
IV.ATMI.HHN. ML:2.4 0.000264 0.66 AML other m 2023-05-16T09:34:52.91
IV.GUMA.HHE. ML:2.6 0.00032450000000000003 1.56 AML other m 2023-05-16T09:34:58.93
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