Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 14-09-2022 and time 21:26:20 (UTC) in region 2 km W Sant'Anatolia di Narco (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km W Sant'Anatolia di Narco (PG), on

  • 14-09-2022 21:26:20 (UTC)
  • 14-09-2022 23:26:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7340, 12.8130 at 10 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
Sant'Anatolia di Narco PG 2 564 564
Scheggino PG 3 461 1025
Vallo di Nera PG 6 364 1389
Spoleto PG 6 38218 39607
Campello sul Clitunno PG 10 2442 42049
Poggiodomo PG 10 117 42166
Ferentillo TR 13 1913 44079
Cerreto di Spoleto PG 13 1075 45154
Monteleone di Spoleto PG 15 599 45753
Castel Ritaldi PG 15 3278 49031
Montefranco TR 16 1276 50307
Cascia PG 17 3217 53524
Polino TR 17 233 53757
Trevi PG 17 8469 62226
Arrone TR 17 2763 64989
Sellano PG 20 1079 66068

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Terni (111501 inhabitants)
26 Km SE of Foligno (57155 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
73 Km W of Teramo (54892 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
97 Km N 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 		ML 1.5 2022-09-14
21:26:20		 42.7337 12.8127 10 2024-03-01
15:27:55		 Bollettino Sismico Italiano INGV 110247811
Reviewed
Rev100 		ML 1.6 2022-09-14
21:26:20		 42.7265 12.8102 12 2022-09-14
21:31:31		 Sala Sismica INGV-Roma 109715671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-14 21:26:20 ± 0.04
Latitude 42.7337 ± 0.0045
Longitude 12.8127 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110247811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.83367
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 110247811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-28 07:35:01

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 109715671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-14 21:31:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.HHZ. 2022-09-14T21:26:37.20 0.3 undecidable manual P 148 92.5407 50 0.86 52
IV.CSP1.EHZ. 2022-09-14T21:26:36.87 0.3 undecidable manual S 39 50.9157 50 0.07 71
IV.MMO1.EHZ. 2022-09-14T21:26:35.30 0.3 undecidable manual S 66 45.7209 50 -0.1 71
IV.SSFR.HHZ. 2022-09-14T21:26:34.14 0.3 undecidable manual P 358 77.9664 50 0.04 68
IV.FDMO.HHZ. 2022-09-14T21:26:33.91 0.3 undecidable manual S 34 40.3263 50 -0.06 72
IV.MC2.EHZ. 2022-09-14T21:26:33.08 0.3 undecidable manual S 57 36.4413 50 0.15 72
IV.ASSB.HHZ. 2022-09-14T21:26:33.28 0.3 undecidable manual S 340 36.4413 50 0.34 69
IV.MGAB.HHZ. 2022-09-14T21:26:32.08 0.1 undecidable manual P 289 60.3951 50 0.69 79
IT.MTCL.HGZ. 2022-09-14T21:26:31.62 0.1 undecidable manual S 28 32.6451 50 -0.29 93
IV.CESI.HHZ. 2022-09-14T21:26:31.58 0.3 undecidable manual S 14 30.9468 50 0.1 73
IV.SNTG.HHZ. 2022-09-14T21:26:30.98 0.1 undecidable manual P 10 58.7967 50 -0.17 91
IV.NRCA.HHZ. 2022-09-14T21:26:30.21 0.3 undecidable manual S 66 26.9508 50 -0.18 72
IV.FIAM.HHZ. 2022-09-14T21:26:30.57 0.3 undecidable manual P 154 57.2982 50 -0.36 66
IV.ATCC.EHZ. 2022-09-14T21:26:30.15 0.1 undecidable manual P 344 52.0035 50 0.05 95
IV.MMO1.EHZ. 2022-09-14T21:26:29.09 0.1 undecidable manual P 66 45.7209 50 -0.04 96
IV.LNSS.HHZ. 2022-09-14T21:26:29.20 0.3 undecidable manual S 128 23.5542 113 -0.28 71
IV.CSP1.EHZ. 2022-09-14T21:26:29.95 0.3 undecidable manual P 39 50.9157 50 0.02 72
IV.CESX.HHZ. 2022-09-14T21:26:28.87 0.3 undecidable manual S 233 23.0547 114 -0.46 69
IV.FDMO.HHZ. 2022-09-14T21:26:28.30 0.1 undecidable manual P 34 40.3263 50 -0.01 98
IV.MML1.EHZ. 2022-09-14T21:26:28.85 0.1 undecidable manual P 17 44.0226 50 -0.03 97
IT.GNU.HGZ. 2022-09-14T21:26:28.70 0.3 undecidable manual S 292 21.2676 116 -0.04 75
IV.MOMA.HHZ. 2022-09-14T21:26:28.58 0.3 undecidable manual S 292 21.2676 116 -0.17 73
IV.ASSB.HHZ. 2022-09-14T21:26:27.57 0.1 undecidable manual P 340 36.4413 50 -0.14 96
IT.MTCL.HGZ. 2022-09-14T21:26:27.02 0.1 undecidable manual P 28 32.6451 50 -0.09 97
IV.ARRO.EHZ. 2022-09-14T21:26:27.60 0.3 undecidable manual S 193 17.5713 120 -0.02 76
IV.MC2.EHZ. 2022-09-14T21:26:27.78 0.1 undecidable manual P 57 36.4413 50 0.08 97
IV.NRCA.HHZ. 2022-09-14T21:26:26.11 0.1 negative manual P 66 26.9508 50 -0.13 98
IT.FOPC.HGZ. 2022-09-14T21:26:26.31 0.3 undecidable manual P 341 27.6501 50 -0.04 74
IV.FEMA.HNE. 2022-09-14T21:26:26.99 0.3 undecidable manual P 37 31.8459 50 0 74
IV.CESI.HHZ. 2022-09-14T21:26:26.89 0.1 positive manual P 14 30.9468 50 0.03 99
IT.GNU.HGZ. 2022-09-14T21:26:25.33 0.3 undecidable manual P 292 21.2676 116 0.04 75
IV.GAVE.EHZ. 2022-09-14T21:26:25.36 0.1 undecidable manual S 125 8.0808 142 0.27 98
IV.MOMA.HHZ. 2022-09-14T21:26:25.34 0.1 undecidable manual P 292 21.2676 116 0.06 100
IV.CESX.HHZ. 2022-09-14T21:26:25.41 0.1 negative manual P 233 23.0547 114 -0.22 97
IV.LNSS.HHZ. 2022-09-14T21:26:25.62 0.1 undecidable manual P 128 23.5542 113 -0.09 99
IV.ARRO.EHZ. 2022-09-14T21:26:24.74 0.1 positive manual P 193 17.5713 120 0.11 100
IV.GAVE.EHZ. 2022-09-14T21:26:23.52 0.1 undecidable manual P 125 8.0808 142 0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.4 0.00022 0.22 AML other m 2022-09-14T21:26:27.80
IV.ARRO.EHN. ML:1.3 0.0001715 0.16 AML other m 2022-09-14T21:26:27.91
IV.MOMA.HHN. ML:1.8 0.00041049999999999995 0.8 AML other m 2022-09-14T21:26:28.51
IV.MOMA.HNN. ML:1.8 0.000432 0.82 AML other m 2022-09-14T21:26:28.51
IV.MOMA.HHE. ML:1.8 0.000413 0.3 AML other m 2022-09-14T21:26:29.28
IV.MOMA.HNE. ML:1.8 0.00039 0.3 AML other m 2022-09-14T21:26:29.28
IV.CESX.HHN. ML:1.4 0.000166 0.38 AML other m 2022-09-14T21:26:29.24
IV.LNSS.HHE. ML:1.9 0.000522 0.36 AML other m 2022-09-14T21:26:29.56
IV.LNSS.HHN. ML:1.9 0.000479 0.3 AML other m 2022-09-14T21:26:29.60
IV.CESX.HHE. ML:1.3 0.000124 0.66 AML other m 2022-09-14T21:26:30.58
IV.NRCA.HHE. ML:1.3 0.0001175 0.78 AML other m 2022-09-14T21:26:30.79
IV.CESI.HHN. ML:1.9 0.000391 0.28 AML other m 2022-09-14T21:26:31.79
IV.CESI.HHE. ML:1.7 0.0002405 1.54 AML other m 2022-09-14T21:26:32.90
IV.ASSB.HHN. ML:1.2 0.00006285000000000001 0.2 AML other m 2022-09-14T21:26:33.55
IV.NRCA.HHN. ML:1.3 0.00010225 0.08 AML other m 2022-09-14T21:26:33.52
IV.ASSB.HHE. ML:1.3 0.00007145 0.48 AML other m 2022-09-14T21:26:33.74
IV.FDMO.HHN. ML:1.5 0.0001139 0.22 AML other m 2022-09-14T21:26:34.43
IV.FDMO.HHE. ML:1.6 0.00011985 0.18 AML other m 2022-09-14T21:26:34.64
IV.MML1.EHN. ML:1.4 0.00007714999999999999 0.12 AML other m 2022-09-14T21:26:36.16
IV.MML1.EHE. ML:1.4 0.00007965 0.6 AML other m 2022-09-14T21:26:36.60
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