Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 30-01-2023 and time 20:54:36 (Italy) in region 4 km W Campello sul Clitunno (PG)

A magnitude ML 1.7 earthquake occured in region: 4 km W Campello sul Clitunno (PG), on

  • 30-01-2023 19:54:36 (UTC)
  • 30-01-2023 20:54:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8260, 12.7290 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Campello sul Clitunno PG 4 2442 2442
Castel Ritaldi PG 5 3278 5720
Trevi PG 6 8469 14189
Montefalco PG 10 5679 19868
Spoleto PG 10 38218 58086
Giano dell'Umbria PG 12 3846 61932
Vallo di Nera PG 13 364 62296
Sant'Anatolia di Narco PG 14 564 62860
Foligno PG 15 57155 120015
Scheggino PG 15 461 120476
Cerreto di Spoleto PG 15 1075 121551
Bevagna PG 16 5081 126632
Gualdo Cattaneo PG 17 6155 132787
Massa Martana PG 18 3770 136557
Sellano PG 18 1079 137636
Spello PG 19 8645 146281

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km S of Foligno (57155 inhabitants)
30 Km N of Terni (111501 inhabitants)
42 Km SE of Perugia (166134 inhabitants)
68 Km NE of Viterbo (67173 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
82 Km W of Teramo (54892 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
99 Km SE of Arezzo (99543 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 1.7 2023-01-30
19:54:36		 42.8263 12.7293 8 2024-03-01
17:18:04		 Bollettino Sismico Italiano INGV 116546151
Reviewed
Rev100 		ML 1.8 2023-01-30
19:54:36		 42.8278 12.7297 8 2023-01-30
20:00:19		 Sala Sismica INGV-Roma 113918541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-30 19:54:36 ± 0.04
Latitude 42.8263 ± 0.0027
Longitude 12.7293 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116546151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 257
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 51
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75003
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 40
Type of magnitude ML
Reference to an origin 113918541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-30 20:00:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 116546151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 10:23:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-01-30T19:54:59.20 0.3 undecidable manual S 32 71.6727 50 0.44 63
IV.ATFO.HHZ. 2023-01-30T19:54:56.64 0.6 undecidable manual S 348 61.2942 50 0.65 40
IV.GUMA.HHZ. 2023-01-30T19:54:55.28 0.6 undecidable manual S 62 55.6998 50 0.77 38
IV.RM33.EHZ. 2023-01-30T19:54:54.09 0.3 undecidable manual S 131 53.0025 50 0.32 67
IV.SMA1.EHZ. 2023-01-30T19:54:54.67 0.3 undecidable manual S 114 53.9016 50 0.64 61
IV.MURB.HHZ. 2023-01-30T19:54:53.78 0.6 undecidable manual S 341 51.2154 50 0.48 43
IV.FOSV.EHZ. 2023-01-30T19:54:53.59 0.3 undecidable manual S 3 52.0035 50 0.07 70
IV.MGAB.HHZ. 2023-01-30T19:54:53.65 0.6 undecidable manual S 281 51.1155 50 0.38 44
IV.CSP1.EHZ. 2023-01-30T19:54:52.81 0.6 undecidable manual S 53 48.5181 50 0.22 46
IV.MMO1.EHZ. 2023-01-30T19:54:52.83 0.6 undecidable manual S 80 49.2174 50 0.05 47
IV.SNTG.HHZ. 2023-01-30T19:54:52.81 0.6 undecidable manual S 20 50.5161 50 -0.31 45
IV.CAFI.HHZ. 2023-01-30T19:54:51.09 0.3 undecidable manual P 312 83.25 50 -0.07 66
IV.ARVD.HHZ. 2023-01-30T19:54:50.37 3.0 positive manual P 0.17 0
IV.TERO.HHZ. 2023-01-30T19:54:50.09 3.0 negative manual P 0.13 0
IV.PIEI.HHZ. 2023-01-30T19:54:50.45 0.3 undecidable manual P 349 80.2641 50 -0.24 64
IV.ATCC.EHZ. 2023-01-30T19:54:50.05 0.6 undecidable manual S 350 40.4262 50 -0.38 45
IV.MC2.EHZ. 2023-01-30T19:54:50.05 0.3 undecidable manual S 76 38.5281 50 0.13 71
IV.LNSS.HHZ. 2023-01-30T19:54:49.12 0.3 undecidable manual S 134 35.4423 50 0.02 73
IV.FDMO.HHZ. 2023-01-30T19:54:49.20 0.3 undecidable manual S 51 37.2294 50 -0.38 68
IV.CING.HHZ. 2023-01-30T19:54:49.33 0.3 undecidable manual P 32 71.6727 50 -0.05 68
IV.FIAM.HHZ. 2023-01-30T19:54:49.01 0.3 undecidable manual P 153 69.5748 50 -0.05 68
IV.SSFR.HHZ. 2023-01-30T19:54:49.37 3.0 undecidable manual P 0.5 0
IV.ATVO.HHZ. 2023-01-30T19:54:48.43 0.6 undecidable manual P 337 66.9774 50 -0.22 44
IV.ATMI.HHZ. 2023-01-30T19:54:48.84 3.0 positive manual P 0 0
IV.SACS.HHZ. 2023-01-30T19:54:48.65 0.6 undecidable manual P 272 66.6777 50 0.04 46
IV.FEMA.HNE. 2023-01-30T19:54:47.44 0.1 undecidable manual S 60 30.0477 105 0.06 98
IV.GUMA.HHZ. 2023-01-30T19:54:47.18 0.3 positive manual P 62 55.6998 50 0.26 67
IV.ATFO.HHZ. 2023-01-30T19:54:47.68 0.1 undecidable manual P 348 61.2942 50 -0.09 92
IV.NRCA.HHZ. 2023-01-30T19:54:47.74 0.6 undecidable manual S 88 31.3464 105 -0.06 49
IV.RM33.EHZ. 2023-01-30T19:54:46.34 0.1 undecidable manual P 131 53.0025 50 -0.15 92
IV.SMA1.EHZ. 2023-01-30T19:54:46.73 0.1 positive manual P 114 53.9016 50 0.08 93
IV.CESX.HHZ. 2023-01-30T19:54:46.10 0.3 undecidable manual S 206 26.8509 107 -0.19 72
IV.MURB.HHZ. 2023-01-30T19:54:46.02 0.3 undecidable manual P 341 51.2154 50 -0.2 69
IV.FOSV.EHZ. 2023-01-30T19:54:46.00 0.1 undecidable manual P 3 52.0035 50 -0.35 89
IV.ARRO.EHZ. 2023-01-30T19:54:46.09 0.3 undecidable manual S 174 27.5502 107 -0.46 68
IV.MGAB.HHZ. 2023-01-30T19:54:46.10 0.3 undecidable manual P 281 51.1155 50 -0.1 70
IV.MMO1.EHZ. 2023-01-30T19:54:45.81 0.1 undecidable manual P 80 49.2174 50 -0.11 94
IV.CESI.HHZ. 2023-01-30T19:54:45.45 0.6 undecidable manual S 36 24.3534 109 -0.04 50
IV.SNTG.HHZ. 2023-01-30T19:54:45.76 0.1 undecidable manual P 20 50.5161 50 -0.36 89
IV.CSP1.EHZ. 2023-01-30T19:54:45.79 0.1 undecidable manual P 53 48.5181 50 -0.03 95
IV.ATCC.EHZ. 2023-01-30T19:54:44.19 0.1 positive manual P 350 40.4262 50 -0.38 90
IV.MC2.EHZ. 2023-01-30T19:54:44.23 0.1 negative manual P 76 38.5281 50 -0.05 97
IV.LNSS.HHZ. 2023-01-30T19:54:43.64 0.1 positive manual P 134 35.4423 50 -0.16 95
IV.FDMO.HHZ. 2023-01-30T19:54:43.78 0.1 negative manual P 51 37.2294 50 -0.29 92
IT.FOPC.HGZ. 2023-01-30T19:54:43.07 0.3 undecidable manual S 352 16.0728 117 0.25 72
IV.ARRO.EHZ. 2023-01-30T19:54:42.56 0.1 undecidable manual P 174 27.5502 107 0.24 95
IV.NRCA.HHZ. 2023-01-30T19:54:42.91 0.1 undecidable manual P 88 31.3464 105 -0.14 96
IV.MOMA.HHZ. 2023-01-30T19:54:42.15 0.1 undecidable manual S 259 13.1757 122 0.19 98
IT.MTCL.HGZ. 2023-01-30T19:54:42.48 0.1 undecidable manual P 50 28.749 106 -0.07 98
IV.CESX.HHZ. 2023-01-30T19:54:42.22 0.1 undecidable manual P 206 26.8509 107 0.04 99
IV.FEMA.HNE. 2023-01-30T19:54:42.86 0.1 undecidable manual P 60 30.0477 105 0.05 98
IV.CESI.HHZ. 2023-01-30T19:54:41.72 0.1 positive manual P 36 24.3534 109 0 100
IT.FOPC.HGZ. 2023-01-30T19:54:40.32 0.1 undecidable manual P 352 16.0728 117 0.15 98
IV.MOMA.HHZ. 2023-01-30T19:54:39.84 0.1 negative manual P 259 13.1757 122 0.17 99
IT.GNU.HGE. 2023-01-30T19:54:39.84 0.1 undecidable manual P 259 13.1757 122 0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HNN. ML:1.8 0.0008449999999999999 0.82 AML other m 2023-01-30T19:54:42.64
IV.MOMA.HHN. ML:1.9 0.000884 0.18 AML other m 2023-01-30T19:54:42.64
IV.MOMA.HNE. ML:2.0 0.001245 0.14 AML other m 2023-01-30T19:54:43.14
IV.MOMA.HHE. ML:2.1 0.00133 0.14 AML other m 2023-01-30T19:54:43.14
IV.CESI.HHN. ML:1.7 0.000336 0.36 AML other m 2023-01-30T19:54:46.23
IV.CESI.HHE. ML:1.4 0.00017099999999999998 1.14 AML other m 2023-01-30T19:54:46.78
IV.ARRO.EHN. ML:1.5 0.00018099999999999998 0.24 AML other m 2023-01-30T19:54:47.47
IV.CESX.HHN. ML:1.5 0.00017749999999999998 0.42 AML other m 2023-01-30T19:54:47.77
IV.CESX.HHE. ML:1.5 0.000158 1.22 AML other m 2023-01-30T19:54:48.79
IV.NRCA.HHN. ML:2.0 0.00044500000000000003 0.62 AML other m 2023-01-30T19:54:48.68
IV.NRCA.HNN. ML:2.0 0.0004335 1.14 AML other m 2023-01-30T19:54:49.18
IV.NRCA.HNE. ML:1.9 0.00036449999999999997 1.34 AML other m 2023-01-30T19:54:49.32
IV.NRCA.HHE. ML:1.9 0.00034950000000000004 0.64 AML other m 2023-01-30T19:54:49.32
IV.FDMO.HHE. ML:1.4 0.00009109999999999999 0.12 AML other m 2023-01-30T19:54:49.94
IV.LNSS.HHN. ML:2.0 0.000404 0.38 AML other m 2023-01-30T19:54:50.11
IV.ATCC.HNN. ML:1.8 0.00020025 1.38 AML other m 2023-01-30T19:54:50.91
IV.LNSS.HHE. ML:1.9 0.000307 0.74 AML other m 2023-01-30T19:54:50.03
IV.ARRO.EHE. ML:1.4 0.0001495 0.18 AML other m 2023-01-30T19:54:50.77
IV.FDMO.HHN. ML:1.4 0.00009120000000000001 0.14 AML other m 2023-01-30T19:54:50.78
IV.ATCC.EHE. ML:1.9 0.0002565 0.5 AML other m 2023-01-30T19:54:51.55
IV.ATCC.HNE. ML:1.9 0.00028599999999999996 0.56 AML other m 2023-01-30T19:54:52.53
IV.ATCC.EHN. ML:1.8 0.00020750000000000003 0.7 AML other m 2023-01-30T19:54:52.53
IV.MMO1.EHE. ML:1.8 0.00018449999999999999 1.78 AML other m 2023-01-30T19:54:52.06
IV.MMO1.EHN. ML:1.9 0.000193 0.52 AML other m 2023-01-30T19:54:53.01
IV.CSP1.EHE. ML:1.9 0.00021450000000000004 0.58 AML other m 2023-01-30T19:54:53.83
IV.CSP1.EHN. ML:2.0 0.0002675 0.46 AML other m 2023-01-30T19:54:53.94
IV.SNTG.HHE. ML:1.4 0.0000614 0.12 AML other m 2023-01-30T19:54:53.91
IV.FOSV.EHN. ML:1.6 0.00011005 0.42 AML other m 2023-01-30T19:54:54.26
IV.FOSV.EHE. ML:1.6 0.0000931 1.04 AML other m 2023-01-30T19:54:54.34
IV.SNTG.HHN. ML:1.3 0.00005495 0.54 AML other m 2023-01-30T19:54:54.61
IV.MURB.HHN. ML:2.1 0.00034399999999999996 1.72 AML other m 2023-01-30T19:54:55.03
IV.MGAB.HHE. ML:1.5 0.00008104999999999999 0.48 AML other m 2023-01-30T19:54:55.29
IV.GUMA.HHE. ML:2.1 0.000266 0.28 AML other m 2023-01-30T19:54:55.46
IV.GUMA.HHN. ML:1.9 0.000165 0.3 AML other m 2023-01-30T19:54:55.70
IV.RM33.EHN. ML:1.8 0.000163 0.22 AML other m 2023-01-30T19:54:55.53
IV.RM33.EHE. ML:1.6 0.0001115 1.26 AML other m 2023-01-30T19:54:56.10
IV.SMA1.EHN. ML:1.7 0.000117 0.38 AML other m 2023-01-30T19:54:56.29
IV.MURB.HHE. ML:2.0 0.0002825 0.26 AML other m 2023-01-30T19:54:56.18
IV.SMA1.EHE. ML:1.9 0.00019 0.84 AML other m 2023-01-30T19:54:56.34
IV.MGAB.HHN. ML:1.6 0.00010765 0.18 AML other m 2023-01-30T19:54:56.45
IV.SSFR.HHN. ML:2.0 0.000153 1.66 AML other m 2023-01-30T19:54:58.11
IV.SSFR.HHE. ML:2.0 0.00017749999999999998 0.24 AML other m 2023-01-30T19:54:59.52
IV.ATMI.HHE. ML:1.9 0.00013955 0.44 AML other m 2023-01-30T19:55:01.21
IV.FIAM.HHN. ML:1.4 0.0000422 0.44 AML other m 2023-01-30T19:55:01.58
IV.ATVO.HHN. ML:1.3 0.0000373 0.56 AML other m 2023-01-30T19:55:01.54
IV.ATMI.HHN. ML:1.7 0.00008350000000000001 0.44 AML other m 2023-01-30T19:55:01.86
IV.ATVO.HHE. ML:1.3 0.0000369 0.86 AML other m 2023-01-30T19:55:02.66
IV.FIAM.HHE. ML:1.4 0.0000475 0.68 AML other m 2023-01-30T19:55:03.06
IV.TERO.HHN. ML:1.4 0.00003895 1.36 AML other m 2023-01-30T19:55:04.85
IV.CAFI.HHN. ML:1.3 0.0000236 1.56 AML other m 2023-01-30T19:55:05.99
IV.TERO.HHE. ML:1.3 0.00003135 0.52 AML other m 2023-01-30T19:55:05.28
IV.CAFI.HHE. ML:1.4 0.000033 0.78 AML other m 2023-01-30T19:55:05.79
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