Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-05-2022 and time 07:15:35 (UTC) in region 1 km E Narni (TR)

A magnitude ML 1.5 earthquake occured in region: 1 km E Narni (TR), on

  • 16-05-2022 07:15:35 (UTC)
  • 16-05-2022 09:15:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5260, 12.5310 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.

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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
Narni TR 1 19785 19785
San Gemini TR 10 5018 24803
Amelia TR 10 11897 36700
Terni TR 10 111501 148201
Stroncone TR 11 4917 153118
Otricoli TR 12 1869 154987
Orte VT 14 8923 163910
Calvi dell'Umbria TR 14 1856 165766
Montecastrilli TR 14 5022 170788
Configni RI 15 633 171421
Penna in Teverina TR 15 1099 172520
Avigliano Umbro TR 17 2558 175078
Giove TR 17 1928 177006
Lugnano in Teverina TR 17 1494 178500
Vacone RI 18 256 178756
Acquasparta TR 18 4778 183534
Cottanello RI 18 563 184097
Montebuono RI 19 883 184980
Magliano Sabina RI 19 3774 188754
Vasanello VT 19 4068 192822
Bassano in Teverina VT 19 1313 194135
Tarano RI 20 1444 195579
Attigliano TR 20 2028 197607
Montasola RI 20 395 198002
Gallese VT 20 2849 200851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Terni (111501 inhabitants)
37 Km E of Viterbo (67173 inhabitants)
50 Km S of Foligno (57155 inhabitants)
61 Km N of Guidonia Montecelio (88673 inhabitants)
66 Km S of Perugia (166134 inhabitants)
66 Km NW of Tivoli (56533 inhabitants)
70 Km N of Roma (2864731 inhabitants)
74 Km W of L'Aquila (69753 inhabitants)
77 Km NE of Civitavecchia (52991 inhabitants)
87 Km N of Fiumicino (78395 inhabitants)
95 Km N of Pomezia (62966 inhabitants)
96 Km N of Velletri (53303 inhabitants)
97 Km W of Teramo (54892 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 1.5 2022-05-16
07:15:35		 42.5262 12.5307 9 2023-01-31
19:03:14		 Bollettino Sismico Italiano INGV 105380631
Reviewed
Rev100 		ML 1.5 2022-05-16
07:15:35		 42.5403 12.5293 10 2022-05-16
07:36:18		 Sala Sismica INGV-Roma 104699581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-16 07:15:35 ± 0.17
Latitude 42.5262 ± 0.0108
Longitude 12.5307 ± 0.0073
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 105380631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1170
Semi-minor axis of confidence ellipse (meter) 80
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 179
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 29
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) 0.69338
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 105380631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-31 12:51:03

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 104699581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-16 07:36:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7F.SIB1.EHN. 2022-05-16T07:15:58.23 0.3 undecidable manual S 56 72.7716 50 0.69 57
IV.MMO1.HNN. 2022-05-16T07:15:58.88 0.3 undecidable manual S 57 76.9674 50 0.23 64
IV.MC2.EHN. 2022-05-16T07:15:57.17 0.3 undecidable manual S 51 68.5758 50 0.75 55
7F.SIB3.EHZ. 2022-05-16T07:15:56.95 0.6 undecidable manual S 57 71.6727 50 -0.28 43
IV.CESI.HHZ. 2022-05-16T07:15:55.25 0.6 undecidable manual S 30 61.1943 50 0.8 37
IV.LATE.HHN. 2022-05-16T07:15:54.64 0.6 undecidable manual S 280 60.1953 50 0.48 42
IV.RM33.EHZ. 2022-05-16T07:15:53.43 0.6 undecidable manual S 92 55.8996 50 0.39 43
IV.NRCA.HHZ. 2022-05-16T07:15:53.64 0.6 undecidable manual S 54 58.497 50 -0.09 45
IV.LNSS.HHZ. 2022-05-16T07:15:49.34 0.6 undecidable manual S 78 42.5241 50 -0.11 47
IV.MMO1.HNN. 2022-05-16T07:15:48.91 0.1 undecidable manual P 57 76.9674 50 0.17 86
7F.SIB3.EHZ. 2022-05-16T07:15:47.54 0.1 undecidable manual P 57 71.6727 50 -0.38 84
IV.MC2.EHN. 2022-05-16T07:15:47.70 0.1 undecidable manual P 51 68.5758 50 0.25 86
IV.GAVE.HNE. 2022-05-16T07:15:47.14 0.6 undecidable manual S 58 34.9428 50 -0.29 46
7F.SIB1.EHN. 2022-05-16T07:15:47.98 0.1 undecidable manual P 56 72.7716 50 -0.12 88
IV.CESI.HHZ. 2022-05-16T07:15:46.35 0.6 undecidable manual P 30 61.1943 50 0.03 46
IV.LATE.HHN. 2022-05-16T07:15:46.20 0.1 undecidable manual P 280 60.1953 50 0.05 91
IV.ASSB.HHN. 2022-05-16T07:15:46.07 3.0 undecidable manual P 0.43 0
IV.SACS.HHE. 2022-05-16T07:15:46.69 0.1 undecidable manual P 305 61.9935 50 0.25 87
IV.RM33.EHZ. 2022-05-16T07:15:45.19 0.1 undecidable manual P 92 55.8996 50 -0.31 87
IT.GNU.HGZ. 2022-05-16T07:15:45.64 0.6 undecidable manual S 6 30.9468 50 -0.73 40
IV.NRCA.HHZ. 2022-05-16T07:15:45.48 0.1 undecidable manual P 54 58.497 50 -0.42 85
IV.MOMA.HNE. 2022-05-16T07:15:45.66 0.6 undecidable manual S 6 30.9468 50 -0.71 40
IV.ARRO.EHZ. 2022-05-16T07:15:43.23 0.6 undecidable manual S 73 20.0688 114 0.38 46
IV.LNSS.HHZ. 2022-05-16T07:15:43.15 0.1 undecidable manual P 78 42.5241 50 -0.28 90
IT.GNU.HGZ. 2022-05-16T07:15:42.18 0.1 undecidable manual P 6 30.9468 50 0.53 87
IV.MOMA.HNE. 2022-05-16T07:15:41.18 0.1 undecidable manual P 6 30.9468 50 -0.47 88
IV.GAVE.HNE. 2022-05-16T07:15:41.87 0.1 undecidable manual P 58 34.9428 50 -0.4 89
IV.CESX.HHZ. 2022-05-16T07:15:39.83 0.6 undecidable manual S 27 10.1787 132 -0.12 49
IV.ARRO.EHZ. 2022-05-16T07:15:39.76 0.1 undecidable manual P 73 20.0688 114 0.14 96
IV.CESX.HHZ. 2022-05-16T07:15:37.99 0.1 undecidable manual P 27 10.1787 132 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:2.1 0.000431 0.22 AML other m 2022-05-16T07:15:49.81
IV.LNSS.HHN. ML:2.2 0.0005 1.04 AML other m 2022-05-16T07:15:50.72
IV.RM33.EHN. ML:0.0 0.00006575 0.2 AML other m 2022-05-16T07:15:54.43
IV.NRCA.HHE. ML:1.6 0.00008910000000000001 0.18 AML other m 2022-05-16T07:15:54.83
IV.NRCA.HHN. ML:1.2 0.00003665 1.44 AML other m 2022-05-16T07:15:54.08
IV.RM33.EHE. ML:0.0 0.00008874999999999999 0.94 AML other m 2022-05-16T07:15:54.93
IV.CESI.HHN. ML:1.2 0.0000308 0.3 AML other m 2022-05-16T07:15:59.00
IV.CESI.HHE. ML:1.0 0.000019799999999999997 0.42 AML other m 2022-05-16T07:16:01.72
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