Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 03-01-2023 and time 01:51:56 (UTC) in region 6 km NE Ferentillo (TR)

A magnitude ML 1.5 earthquake occured in region: 6 km NE Ferentillo (TR), on

  • 03-01-2023 01:51:56 (UTC)
  • 03-01-2023 02:51:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6510, 12.8510 at 14 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
Ferentillo TR 6 1913 1913
Scheggino PG 7 461 2374
Polino TR 7 233 2607
Monteleone di Spoleto PG 8 599 3206
Montefranco TR 9 1276 4482
Sant'Anatolia di Narco PG 9 564 5046
Poggiodomo PG 10 117 5163
Arrone TR 10 2763 7926
Spoleto PG 13 38218 46144
Vallo di Nera PG 13 364 46508
Leonessa RI 14 2435 48943
Morro Reatino RI 14 373 49316
Labro RI 14 374 49690
Rivodutri RI 15 1253 50943
Cascia PG 15 3217 54160
Poggio Bustone RI 17 2055 56215
Colli sul Velino RI 18 533 56748
Terni TR 19 111501 168249
Cerreto di Spoleto PG 20 1075 169324
Campello sul Clitunno PG 20 2442 171766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Terni (111501 inhabitants)
36 Km SE of Foligno (57155 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
66 Km E of Viterbo (67173 inhabitants)
70 Km W of Teramo (54892 inhabitants)
73 Km N of Guidonia Montecelio (88673 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
90 Km NE 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 2023-01-03
01:51:56		 42.6512 12.851 14 2024-03-01
17:17:53		 Bollettino Sismico Italiano INGV 113760041
Reviewed
Rev100 		ML 1.6 2023-01-03
01:51:56		 42.6527 12.8513 15 2023-01-03
02:00:50		 Sala Sismica INGV-Roma 113269181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-03 01:51:56 ± 0.05
Latitude 42.6512 ± 0.0027
Longitude 12.8510 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113760041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 304
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 300
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
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) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.84896
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 113760041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-24 14:20:49

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 113269181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-03 02:00:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-01-03T01:52:15.50 0.3 undecidable manual S 41 60.2952 94 0.52 62
IV.MML1.EHZ. 2023-01-03T01:52:13.09 0.6 undecidable manual S 11 52.2033 95 0.26 44
IV.ARVD.HHZ. 2023-01-03T01:52:11.76 0.6 undecidable manual P 4 94.239 92 -0.59 38
IV.MMO1.EHZ. 2023-01-03T01:52:11.73 0.3 undecidable manual S 54 47.5191 95 0.15 69
IV.ASSB.HHZ. 2023-01-03T01:52:11.77 0.3 undecidable manual S 340 46.1205 95 0.55 63
IV.CING.HHZ. 2023-01-03T01:52:10.88 0.3 undecidable manual P 19 85.0482 92 -0.06 66
IV.CESI.HHZ. 2023-01-03T01:52:09.54 0.1 undecidable manual S 6 39.5271 97 0.09 94
IV.MC2.EHZ. 2023-01-03T01:52:09.82 0.3 undecidable manual S 44 39.9267 97 0.27 68
IV.SMA1.EHZ. 2023-01-03T01:52:09.85 0.3 undecidable manual S 93 39.627 97 0.38 67
IV.EL6.EHZ. 2023-01-03T01:52:09.66 0.3 undecidable manual P 15 77.9664 93 -0.18 65
IV.SNTG.HHZ. 2023-01-03T01:52:07.83 0.3 undecidable manual P 6 67.377 93 -0.39 63
IV.ATCC.EHZ. 2023-01-03T01:52:07.39 0.1 undecidable manual P 344 61.6938 94 0.05 91
IV.GUMA.HHZ. 2023-01-03T01:52:07.14 0.1 undecidable manual P 41 60.2952 94 0.01 92
IV.CSP1.EHZ. 2023-01-03T01:52:06.39 0.1 undecidable manual P 30 56.6988 94 -0.19 90
IV.NRCA.HHZ. 2023-01-03T01:52:06.51 0.1 undecidable manual S 47 29.4483 100 -0.29 93
IV.SRES.HHZ. 2023-01-03T01:52:06.29 0.1 undecidable manual P 211 53.8017 94 0.17 91
IV.MOMA.HHZ. 2023-01-03T01:52:06.71 0.6 undecidable manual S 307 28.4493 101 0.17 47
IV.MMO1.EHZ. 2023-01-03T01:52:05.02 0.1 undecidable manual P 54 47.5191 95 -0.15 92
IV.FIAM.HNN. 2023-01-03T01:52:05.18 0.3 undecidable manual P 153 47.7189 95 -0.02 71
IV.MML1.EHZ. 2023-01-03T01:52:05.73 0.1 undecidable manual P 11 52.2033 95 -0.16 91
IV.ASSB.HHZ. 2023-01-03T01:52:04.87 0.3 undecidable manual P 340 46.1205 95 -0.09 70
IV.CESX.HHZ. 2023-01-03T01:52:04.90 0.1 undecidable manual S 258 22.0668 107 0.02 99
IV.FDMO.HHZ. 2023-01-03T01:52:04.86 0.1 undecidable manual P 24 46.9197 95 -0.2 91
IT.MTCL.HGZ. 2023-01-03T01:52:04.04 0.3 undecidable manual P 18 39.9267 97 0.05 71
IV.FEMA.HNE. 2023-01-03T01:52:04.01 0.3 undecidable manual P 25 38.1285 97 0.29 68
IV.SMA1.EHZ. 2023-01-03T01:52:03.99 0.1 undecidable manual P 93 39.627 97 0.04 96
IV.LNSS.HHZ. 2023-01-03T01:52:03.40 0.1 undecidable manual S 109 16.3725 117 -0.06 99
IT.FOPC.HGN. 2023-01-03T01:52:03.60 0.3 undecidable manual P 341 37.3293 97 0 72
IV.CESI.HHZ. 2023-01-03T01:52:03.83 0.1 positive manual P 6 39.5271 97 -0.1 95
IV.MC2.EHZ. 2023-01-03T01:52:03.90 0.1 undecidable manual P 44 39.9267 97 -0.09 95
IV.RM33.HNE. 2023-01-03T01:52:03.00 0.1 undecidable manual P 118 33.6441 98 -0.04 96
IV.NRCA.HHZ. 2023-01-03T01:52:02.18 0.1 undecidable manual P 47 29.4483 100 -0.23 94
IV.MOMA.HHZ. 2023-01-03T01:52:02.18 0.1 undecidable manual P 307 28.4493 101 -0.08 97
IT.GNU.HGE. 2023-01-03T01:52:02.31 0.3 undecidable manual P 307 28.4493 101 0.06 73
IV.ARRO.EHZ. 2023-01-03T01:52:02.12 0.6 undecidable manual S 221 10.5783 134 -0.09 49
IV.GAVE.EHZ. 2023-01-03T01:52:01.31 0.1 undecidable manual S 38 5.7942 153 -0.12 99
IV.CESX.HHZ. 2023-01-03T01:52:01.28 0.1 undecidable manual P 258 22.0668 107 -0.02 99
IV.LNSS.HHZ. 2023-01-03T01:52:00.52 0.1 undecidable manual P 109 16.3725 117 0.04 100
IV.GAVE.EHZ. 2023-01-03T01:51:59.42 0.1 negative manual P 38 5.7942 153 0.11 100
IV.ARRO.EHZ. 2023-01-03T01:51:59.91 0.1 undecidable manual P 221 10.5783 134 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.8 0.0008070000000000001 0.44 AML other m 2023-01-03T01:52:01.76
IV.GAVE.EHN. ML:1.7 0.00063 0.36 AML other m 2023-01-03T01:52:01.74
IV.ARRO.EHE. ML:1.5 0.00028000000000000003 0.1 AML other m 2023-01-03T01:52:02.60
IV.ARRO.EHN. ML:1.6 0.000358 0.96 AML other m 2023-01-03T01:52:02.37
IV.LNSS.HHN. ML:1.6 0.00033899999999999995 0.84 AML other m 2023-01-03T01:52:04.83
IV.LNSS.HHE. ML:1.6 0.00032499999999999993 0.66 AML other m 2023-01-03T01:52:04.81
IV.CESX.HHE. ML:1.4 0.0001375 0.56 AML other m 2023-01-03T01:52:05.09
IV.CESX.HHN. ML:1.4 0.00016999999999999999 1.04 AML other m 2023-01-03T01:52:05.36
IV.NRCA.HHE. ML:1.9 0.000381 1.84 AML other m 2023-01-03T01:52:07.04
IV.NRCA.HHN. ML:1.7 0.0002385 0.12 AML other m 2023-01-03T01:52:07.06
IV.MOMA.HHE. ML:1.6 0.0001785 0.18 AML other m 2023-01-03T01:52:07.20
IV.MOMA.HHN. ML:1.1 0.00006185 0.12 AML other m 2023-01-03T01:52:07.36
IV.CESI.HHN. ML:1.7 0.0001715 1.72 AML other m 2023-01-03T01:52:09.94
IV.CESI.HHE. ML:1.4 0.0000814 1.04 AML other m 2023-01-03T01:52:10.38
IV.SMA1.EHN. ML:1.5 0.00009875 0.74 AML other m 2023-01-03T01:52:10.06
IV.SMA1.EHE. ML:1.4 0.00009154999999999999 0.68 AML other m 2023-01-03T01:52:10.47
IV.FDMO.HHE. ML:1.4 0.00007405000000000001 0.2 AML other m 2023-01-03T01:52:11.79
IV.FDMO.HHN. ML:1.3 0.0000514 0.2 AML other m 2023-01-03T01:52:11.95
IV.MMO1.EHE. ML:1.4 0.000058099999999999996 0.48 AML other m 2023-01-03T01:52:12.31
IV.ASSB.HHN. ML:1.8 0.0001975 0.36 AML other m 2023-01-03T01:52:12.17
IV.ASSB.HHE. ML:1.6 0.0001275 1.12 AML other m 2023-01-03T01:52:12.05
IV.MMO1.EHN. ML:1.3 0.000054800000000000004 0.72 AML other m 2023-01-03T01:52:12.72
IV.MML1.EHN. ML:1.3 0.00004285 0.18 AML other m 2023-01-03T01:52:13.49
IV.MML1.EHE. ML:1.5 0.00007225000000000001 0.52 AML other m 2023-01-03T01:52:13.57
IV.CSP1.EHE. ML:1.6 0.00009525 0.6 AML other m 2023-01-03T01:52:15.83
IV.CSP1.EHN. ML:1.6 0.0000908 0.66 AML other m 2023-01-03T01:52:16.96
IV.ATCC.EHN. ML:1.7 0.00010545 0.8 AML other m 2023-01-03T01:52:17.37
IV.GUMA.HHN. ML:1.6 0.00007519999999999998 0.52 AML other m 2023-01-03T01:52:17.48
IV.ATCC.EHE. ML:1.6 0.00008669999999999999 0.76 AML other m 2023-01-03T01:52:17.97
IV.GUMA.HHE. ML:1.5 0.0000711 0.8 AML other m 2023-01-03T01:52:19.17
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