Earthquake with magnitude of ML 1.7 on date 13-02-2023 and time 06:39:06 (UTC) in region 5 km E San Gemini (TR)

A magnitude ML 1.7 earthquake occured in region: 5 km E San Gemini (TR), on

  • 13-02-2023 06:39:06 (UTC)
  • 13-02-2023 07:39:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6240, 12.6010 at 7 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Gemini TR 5 5018 5018
Terni TR 8 111501 116519
Acquasparta TR 9 4778 121297
Montecastrilli TR 10 5022 126319
Narni TR 14 19785 146104
Montefranco TR 14 1276 147380
Avigliano Umbro TR 15 2558 149938
Arrone TR 15 2763 152701
Stroncone TR 15 4917 157618
Ferentillo TR 16 1913 159531
Spoleto PG 17 38218 197749
Amelia TR 17 11897 209646
Massa Martana PG 18 3770 213416
Labro RI 20 374 213790

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km NW of Terni (111501 inhabitants)
38 Km S of Foligno (57155 inhabitants)
47 Km NE of Viterbo (67173 inhabitants)
57 Km SE of Perugia (166134 inhabitants)
70 Km N of Guidonia Montecelio (88673 inhabitants)
72 Km W of L'Aquila (69753 inhabitants)
75 Km N of Tivoli (56533 inhabitants)
82 Km N of Roma (2864731 inhabitants)
89 Km NE of Civitavecchia (52991 inhabitants)
90 Km W of Teramo (54892 inhabitants)
99 Km NE of Fiumicino (78395 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 2023-02-13
06:39:06
42.6238 12.6013 7 2024-03-01
17:17:56
Bollettino Sismico Italiano INGV 114700721
Reviewed
Rev100
ML 1.7 2023-02-13
06:39:06
42.6263 12.5757 7 2023-02-13
06:47:35
Sala Sismica INGV-Roma 114403761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-13 06:39:06 ± 0.11
Latitude 42.6238 ± 0.0063
Longitude 12.6013 ± 0.0073
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114700721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 633
Semi-minor axis of confidence ellipse (meter) 611
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.86245
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 114700721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-22 14:25:20

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 114403761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-13 06:47:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PF6.EHN. 2023-02-13T06:39:30.00 0.6 undecidable manual S 40 74.6697 50 -0.12 60
IV.CSP1.EHZ. 2023-02-13T06:39:29.77 0.6 undecidable manual S 43 71.4729 50 0.51 55
7F.SIB2.EHE. 2023-02-13T06:39:27.51 0.6 undecidable manual S 62 64.491 50 0.12 61
IV.FIAM.HHZ. 2023-02-13T06:39:26.83 3.0 undecidable manual S 57.7977 1.22 0
IV.FDMO.HHZ. 2023-02-13T06:39:26.33 0.6 undecidable manual S 41 60.495 50 0 63
IV.RM33.EHZ. 2023-02-13T06:39:24.68 0.6 undecidable manual S 104 51.7038 50 0.69 53
IV.ATPC.HHE. 2023-02-13T06:39:23.85 0.3 undecidable manual P 353 95.7264 50 0.35 82
IV.NRCA.HHZ. 2023-02-13T06:39:23.27 0.6 undecidable manual S 61 47.8188 50 0.31 60
IV.CESI.HHZ. 2023-02-13T06:39:23.38 0.6 undecidable manual S 30 48.9177 50 0.13 63
IV.MGAB.HHZ. 2023-02-13T06:39:23.85 0.6 undecidable manual S 309 51.1155 50 0.02 64
IV.SRES.HHZ. 2023-02-13T06:39:22.47 0.6 undecidable manual S 190 43.5231 50 0.66 55
IV.TB01.DHZ.01 2023-02-13T06:39:22.27 0.6 undecidable manual P 351 85.1481 50 0.41 55
IV.MF5.EHZ. 2023-02-13T06:39:21.47 0.6 undecidable manual P 60 80.6637 50 0.29 57
IV.ATLO.EHE. 2023-02-13T06:39:21.81 0.6 undecidable manual P 348 78.2661 50 1 44
IV.EL6.EHZ. 2023-02-13T06:39:21.85 0.6 undecidable manual P 27 88.1451 50 -0.48 54
IV.ATVA.EHE. 2023-02-13T06:39:20.61 0.6 undecidable manual P 341 77.0673 50 0 61
IV.SNTG.HHE. 2023-02-13T06:39:20.00 0.6 undecidable manual P 21 75.2691 50 -0.34 57
IV.CSP1.EHZ. 2023-02-13T06:39:19.42 0.3 undecidable manual P 43 71.4729 50 -0.33 86
IV.PF6.EHN. 2023-02-13T06:39:19.89 0.6 undecidable manual P 40 74.6697 50 -0.36 57
7F.SIB2.EHE. 2023-02-13T06:39:18.24 0.3 undecidable manual P 62 64.491 50 -0.43 85
IV.FIAM.HHZ. 2023-02-13T06:39:18.32 3.0 undecidable manual P 57.7977 0.67 0
IV.SACS.HHZ. 2023-02-13T06:39:18.92 0.6 undecidable manual P 294 61.6938 50 0.68 53
IV.MMO1.EHN. 2023-02-13T06:39:18.55 0.6 undecidable manual P 62 66.4779 50 -0.44 57
IV.FDMO.HHZ. 2023-02-13T06:39:17.68 0.3 undecidable manual P 41 60.495 50 -0.38 87
IV.SMA1.EHN. 2023-02-13T06:39:17.58 0.6 undecidable manual P 89 59.8956 50 -0.4 58
IV.MML1.HNE. 2023-02-13T06:39:17.81 0.3 undecidable manual P 29 62.0934 50 -0.5 84
IV.MC2.EHZ. 2023-02-13T06:39:17.48 0.6 undecidable manual P 56 57.498 50 -0.12 62
7F.SIB1.EHE. 2023-02-13T06:39:17.87 0.6 undecidable manual P 61 62.1933 50 -0.46 57
IV.MGAB.HHZ. 2023-02-13T06:39:16.62 0.3 undecidable manual P 309 51.1155 50 0 96
IV.RM33.EHZ. 2023-02-13T06:39:16.41 0.6 undecidable manual P 104 51.7038 50 -0.3 60
IV.GAVE.EHN. 2023-02-13T06:39:16.23 0.6 undecidable manual S 72 25.0527 105 0.46 61
IT.GNU.HGN. 2023-02-13T06:39:15.02 0.6 undecidable manual S 353 20.1687 108 0.89 52
IV.SRES.HHZ. 2023-02-13T06:39:15.48 0.6 undecidable manual P 190 43.5231 50 0.03 64
IV.NRCA.HHZ. 2023-02-13T06:39:15.60 0.3 undecidable manual P 61 47.8188 50 -0.51 86
IV.LNSS.HHZ. 2023-02-13T06:39:15.19 0.6 undecidable manual P 94 35.9418 101 1.1 46
IV.CESI.HHZ. 2023-02-13T06:39:15.82 0.3 undecidable manual P 30 48.9177 50 -0.47 87
IV.MOMA.HHZ. 2023-02-13T06:39:14.59 0.6 undecidable manual S 353 20.1687 108 0.46 61
IV.GAVE.EHN. 2023-02-13T06:39:12.02 0.3 undecidable manual P 72 25.0527 105 0.05 99
IV.ARRO.EHZ. 2023-02-13T06:39:10.50 0.3 undecidable manual P 110 14.2746 115 0.57 90
IT.GNU.HGN. 2023-02-13T06:39:10.83 0.6 undecidable manual P 353 20.1687 108 -0.19 65
IV.MOMA.HHZ. 2023-02-13T06:39:10.80 0.3 undecidable manual P 353 20.1687 108 -0.22 97
IV.CESX.HHZ. 2023-02-13T06:39:08.52 0.6 undecidable manual S 215 2.0979 163 -0.69 58
IV.CESX.HHZ. 2023-02-13T06:39:07.96 0.3 undecidable manual P 215 2.0979 163 -0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:0.0 0.014894265 0.5408 AML other m 2023-02-13T06:39:09.71
IV.CESX.HHE. ML:0.0 0.010880057 0.4384 AML other m 2023-02-13T06:39:09.41
IV.MOMA.HNN. ML:1.8 0.0004831586 0.3584 AML other m 2023-02-13T06:39:15.79
IV.MOMA.HHN. ML:1.8 0.00050538395 0.3584 AML other m 2023-02-13T06:39:15.79
IV.ARRO.EHE. ML:1.6 0.00046350000000000004 1.74 AML other m 2023-02-13T06:39:16.90
IV.MOMA.HNE. ML:1.8 0.0005464579000000001 0.1888 AML other m 2023-02-13T06:39:16.38
IV.MOMA.HHE. ML:1.8 0.0005470412 0.1792 AML other m 2023-02-13T06:39:16.39
IV.ARRO.EHN. ML:1.6 0.0005092312 0.2208 AML other m 2023-02-13T06:39:14.91
IV.LNSS.HHE. ML:1.6 0.0001693734 0.2016 AML other m 2023-02-13T06:39:22.74
IV.LNSS.HHN. ML:1.7 0.00021006520000000002 0.5984 AML other m 2023-02-13T06:39:26.03
IV.NRCA.HHN. ML:1.4 0.00006772908 0.1408 AML other m 2023-02-13T06:39:24.99
IV.CESI.HHN. ML:1.7 0.0001395 0.24 AML other m 2023-02-13T06:39:25.33
IV.NRCA.HHE. ML:1.6 0.000112 1.3 AML other m 2023-02-13T06:39:25.05
IV.MGAB.HHN. ML:1.6 0.00011233083000000001 0.1792 AML other m 2023-02-13T06:39:25.50
IV.FDMO.HHN. ML:1.5 0.00006013035 0.1792 AML other m 2023-02-13T06:39:27.20
IV.FDMO.HHE. ML:1.6 0.00008428202 0.1984 AML other m 2023-02-13T06:39:27.45
IV.LNSS.HNE. ML:1.8 0.00023558625 0.64 AML other m 2023-02-13T06:39:23.88
IV.LNSS.HNN. ML:1.8 0.0002367732 0.3808 AML other m 2023-02-13T06:39:23.47
IV.SRES.HHN. ML:1.2 0.000044478274999999996 0.4608 AML other m 2023-02-13T06:39:23.29
IV.SRES.HHE. ML:1.3 0.00006324124 0.3616 AML other m 2023-02-13T06:39:22.85
IV.NRCA.HNE. ML:1.7 0.00014475285 0.1792 AML other m 2023-02-13T06:39:26.27
IV.CSP1.EHE. ML:2.2 0.00025799125 0.3584 AML other m 2023-02-13T06:39:30.80
IV.CSP1.EHN. ML:2.0 0.00015451105 0.2208 AML other m 2023-02-13T06:39:31.63
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