Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 03-03-2023 and time 07:25:21 (UTC) in region 3 km NE Cottanello (RI)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Cottanello (RI), on

  • 03-03-2023 07:25:21 (UTC)
  • 03-03-2023 08:25:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4260, 12.7110 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
Cottanello RI 3 563 563
Contigliano RI 5 3783 4346
Montasola RI 5 395 4741
Configni RI 6 633 5374
Greccio RI 6 1558 6932
Vacone RI 8 256 7188
Stroncone TR 9 4917 12105
Torri in Sabina RI 10 1256 13361
Colli sul Velino RI 10 533 13894
Casperia RI 10 1246 15140
Montebuono RI 11 883 16023
Roccantica RI 12 563 16586
Calvi dell'Umbria TR 12 1856 18442
Monte San Giovanni in Sabina RI 12 714 19156
Tarano RI 12 1444 20600
Rieti RI 13 47698 68298
Labro RI 13 374 68672
Selci RI 14 1106 69778
Cantalupo in Sabina RI 14 1685 71463
Poggio Catino RI 15 1341 72804
Morro Reatino RI 15 373 73177
Rivodutri RI 16 1253 74430
Terni TR 16 111501 185931
Collevecchio RI 16 1577 187508
Cantalice RI 17 2755 190263
Poggio Bustone RI 17 2055 192318
Forano RI 17 3179 195497
Poggio Mirteto RI 18 6315 201812
Montenero Sabino RI 18 299 202111
Arrone TR 18 2763 204874
Stimigliano RI 19 2328 207202
Salisano RI 19 567 207769
Otricoli TR 19 1869 209638
Narni TR 19 19785 229423
Belmonte in Sabina RI 19 636 230059
Montefranco TR 20 1276 231335
Mompeo RI 20 530 231865

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SE of Terni (111501 inhabitants)
47 Km N of Guidonia Montecelio (88673 inhabitants)
50 Km E of Viterbo (67173 inhabitants)
52 Km N of Tivoli (56533 inhabitants)
57 Km W of L'Aquila (69753 inhabitants)
59 Km S of Foligno (57155 inhabitants)
62 Km NE of Roma (2864731 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
82 Km N of Velletri (53303 inhabitants)
82 Km NE of Fiumicino (78395 inhabitants)
84 Km E of Civitavecchia (52991 inhabitants)
86 Km W of Teramo (54892 inhabitants)
86 Km N of Pomezia (62966 inhabitants)
93 Km N of Aprilia (73446 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 2023-03-03
07:25:21		 42.4262 12.7108 9 2024-03-01
17:17:59		 Bollettino Sismico Italiano INGV 115470461
Reviewed
Rev100 		ML 1.8 2023-03-03
07:25:21		 42.4242 12.706 9 2023-03-03
07:52:42		 Sala Sismica INGV-Roma 114955061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-03 07:25:21 ± 0.07
Latitude 42.4262 ± 0.0036
Longitude 12.7108 ± 0.0061
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 115470461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 395
Semi-minor axis of confidence ellipse (meter) 390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75723
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 115470461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-17 13:14:56

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 114955061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-03 07:52:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-03-03T07:25:47.41 0.3 undecidable manual S 28 84.0492 50 0.76 54
IV.TERO.HHZ. 2023-03-03T07:25:44.61 0.6 undecidable manual S 73 76.1682 50 0.07 45
IV.FDMO.HHZ. 2023-03-03T07:25:44.49 0.1 undecidable manual S 24 74.37 50 0.45 83
IV.MGAB.HHZ. 2023-03-03T07:25:43.84 0.6 undecidable manual S 318 72.7716 50 0.21 44
7F.SIB1.EHE. 2023-03-03T07:25:43.34 0.6 undecidable manual S 41 69.1752 50 0.68 39
7F.SIB2.EHE. 2023-03-03T07:25:43.32 0.6 undecidable manual S 43 70.6737 50 0.25 44
IV.MMO1.EHZ. 2023-03-03T07:25:43.87 0.6 undecidable manual S 44 72.6717 50 0.27 43
IV.CESI.HHZ. 2023-03-03T07:25:42.23 0.3 undecidable manual S 14 66.0894 50 0.38 64
IV.MC2.EHZ. 2023-03-03T07:25:42.50 0.3 undecidable manual S 36 66.4779 50 0.56 61
IV.ASSB.HHZ. 2023-03-03T07:25:42.98 1.0 undecidable manual S 356 68.4759 50 0.49 21
7F.SIB3.EHN. 2023-03-03T07:25:41.68 0.6 undecidable manual S 42 67.4769 50 -0.55 41
IV.NRCA.HHZ. 2023-03-03T07:25:39.01 0.3 undecidable manual S 36 55.8996 50 -0.12 69
IV.SMA1.EHZ. 2023-03-03T07:25:39.48 0.3 undecidable manual S 66 55.7997 50 0.37 66
IV.BARO.HNZ. 2023-03-03T07:25:39.14 0.6 undecidable manual S 250 57.5979 50 -0.43 43
IV.CSP1.EHZ. 2023-03-03T07:25:36.31 0.6 positive manual P 28 84.0492 50 0.39 41
IV.SACS.HNZ. 2023-03-03T07:25:36.12 0.1 undecidable manual P 306 80.4639 50 0.76 73
IV.RM33.EHZ. 2023-03-03T07:25:35.76 0.3 undecidable manual S 77 42.2244 50 0.29 68
IT.GNU.HGZ. 2023-03-03T07:25:35.56 0.6 undecidable manual S 345 43.4232 50 -0.23 46
IV.MOMA.HHZ. 2023-03-03T07:25:35.48 0.6 undecidable manual S 345 43.4232 50 -0.32 45
IV.MMO1.EHZ. 2023-03-03T07:25:34.00 1.0 positive manual P 44 72.6717 50 -0.16 22
IV.FDMO.HHZ. 2023-03-03T07:25:34.33 0.1 undecidable manual P 24 74.37 50 -0.08 90
IV.TERO.HHZ. 2023-03-03T07:25:34.36 0.3 undecidable manual P 73 76.1682 50 -0.34 64
IV.MGAB.HHZ. 2023-03-03T07:25:34.14 0.6 undecidable manual P 318 72.7716 50 -0.04 45
IV.FIAM.HHZ. 2023-03-03T07:25:34.11 0.3 undecidable manual S 118 37.629 50 -0.14 71
IV.LATE.HHE. 2023-03-03T07:25:34.25 3.0 undecidable manual P -0.57 0
IV.ASSB.HHZ. 2023-03-03T07:25:33.14 0.1 undecidable manual P 356 68.4759 50 -0.38 85
7F.SIB2.EHE. 2023-03-03T07:25:33.61 0.1 undecidable manual P 43 70.6737 50 -0.25 87
7F.SIB3.EHN. 2023-03-03T07:25:33.23 0.1 undecidable manual P 42 67.4769 50 -0.14 90
7F.SIB1.EHE. 2023-03-03T07:25:33.46 0.1 undecidable manual P 41 69.1752 50 -0.16 89
IV.MC2.EHZ. 2023-03-03T07:25:33.17 0.1 undecidable manual P 36 66.4779 50 -0.03 92
IV.GAVE.EHZ. 2023-03-03T07:25:32.45 0.3 undecidable manual S 27 33.1446 50 -0.58 64
IV.BARO.HNZ. 2023-03-03T07:25:32.50 1.0 undecidable manual P 250 57.5979 50 0.66 20
IV.LNSS.HHZ. 2023-03-03T07:25:32.99 0.3 undecidable manual S 54 33.3444 50 -0.1 72
IV.CESI.HHZ. 2023-03-03T07:25:32.88 0.6 positive manual P 14 66.0894 50 -0.27 44
IV.SMA1.EHZ. 2023-03-03T07:25:31.60 0.3 negative manual P 66 55.7997 50 0.03 70
IV.NRCA.HHZ. 2023-03-03T07:25:31.19 0.1 undecidable manual P 36 55.8996 50 -0.39 87
IV.SRES.HHZ. 2023-03-03T07:25:30.88 0.6 undecidable manual S 218 26.6511 108 -0.15 48
IV.MOMA.HHZ. 2023-03-03T07:25:29.19 0.1 undecidable manual P 345 43.4232 50 -0.47 88
IV.RM33.EHZ. 2023-03-03T07:25:29.33 0.1 undecidable manual P 77 42.2244 50 -0.14 94
IV.CESX.HHZ. 2023-03-03T07:25:29.37 0.3 undecidable manual S 333 22.6551 112 -0.33 70
IT.GNU.HGZ. 2023-03-03T07:25:29.79 0.1 undecidable manual P 345 43.4232 50 0.14 94
IV.FIAM.HHZ. 2023-03-03T07:25:28.54 0.1 undecidable manual P 118 37.629 50 -0.22 93
IV.ARRO.EHZ. 2023-03-03T07:25:28.15 0.1 undecidable manual S 15 17.5713 117 0.05 100
IT.MMP1.HGZ. 2023-03-03T07:25:28.87 0.3 undecidable manual S 171 19.869 114 0.05 75
IV.SRES.HHZ. 2023-03-03T07:25:27.49 0.1 undecidable manual P 218 26.6511 108 0.59 87
IV.GAVE.EHZ. 2023-03-03T07:25:27.76 0.1 undecidable manual P 27 33.1446 50 -0.3 93
IV.LNSS.HHZ. 2023-03-03T07:25:27.86 0.1 undecidable manual P 54 33.3444 50 -0.23 94
IV.CESX.HHZ. 2023-03-03T07:25:26.20 0.1 undecidable manual P 333 22.6551 112 0.06 99
IV.ARRO.EHZ. 2023-03-03T07:25:25.39 0.1 undecidable manual P 15 17.5713 117 0.18 97
IT.MMP1.HGZ. 2023-03-03T07:25:25.75 0.3 undecidable manual P 171 19.869 114 0.12 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:2.0 0.0009699999999999999 0.28 AML other m 2023-03-03T07:25:28.69
IV.ARRO.EHE. ML:2.0 0.0008914999999999999 0.18 AML other m 2023-03-03T07:25:28.56
IV.CESX.HHN. ML:1.4 0.0001815 1.46 AML other m 2023-03-03T07:25:30.18
IV.CESX.HHE. ML:1.4 0.00015250000000000002 1.12 AML other m 2023-03-03T07:25:31.12
IV.SRES.HHE. ML:1.4 0.00014150000000000002 1.24 AML other m 2023-03-03T07:25:32.88
IV.SRES.HHN. ML:1.2 0.00008999999999999999 0.34 AML other m 2023-03-03T07:25:32.55
IV.LNSS.HHN. ML:1.9 0.000373 0.3 AML other m 2023-03-03T07:25:33.54
IV.GAVE.EHE. ML:2.0 0.000417 1.22 AML other m 2023-03-03T07:25:33.13
IV.LNSS.HHE. ML:2.1 0.00051 0.92 AML other m 2023-03-03T07:25:33.30
IV.GAVE.EHN. ML:2.0 0.00046950000000000003 0.68 AML other m 2023-03-03T07:25:34.17
IV.MOMA.HHN. ML:1.5 0.00009520000000000001 0.64 AML other m 2023-03-03T07:25:36.41
IV.MOMA.HNN. ML:1.9 0.0002695 0.64 AML other m 2023-03-03T07:25:36.11
IV.MOMA.HNE. ML:2.0 0.000301 1.12 AML other m 2023-03-03T07:25:36.02
IV.FIAM.HHN. ML:1.4 0.0000992 0.56 AML other m 2023-03-03T07:25:36.82
IV.RM33.EHN. ML:1.5 0.00009295000000000001 0.52 AML other m 2023-03-03T07:25:36.67
IV.MOMA.HHE. ML:2.0 0.0002875 0.14 AML other m 2023-03-03T07:25:37.02
IV.FIAM.HHE. ML:1.4 0.0001036 0.88 AML other m 2023-03-03T07:25:37.67
IV.NRCA.HHN. ML:1.9 0.00016499999999999997 1.42 AML other m 2023-03-03T07:25:39.12
IV.NRCA.HHE. ML:2.1 0.000275 1.36 AML other m 2023-03-03T07:25:40.31
IV.RM33.EHE. ML:1.6 0.00011625 0.42 AML other m 2023-03-03T07:25:41.35
IV.SMA1.EHE. ML:1.7 0.00010925 0.42 AML other m 2023-03-03T07:25:41.14
IV.SMA1.EHN. ML:1.7 0.00012445000000000002 0.44 AML other m 2023-03-03T07:25:41.63
IV.CESI.HHN. ML:1.9 0.00014850000000000003 1.1 AML other m 2023-03-03T07:25:42.64
IV.CESI.HHE. ML:1.8 0.00010564999999999999 0.54 AML other m 2023-03-03T07:25:42.94
IV.MGAB.HHE. ML:1.8 0.00010585 0.4 AML other m 2023-03-03T07:25:44.62
IV.MMO1.EHN. ML:1.7 0.00008588903 0.48 AML other m 2023-03-03T07:25:44.99
IV.MMO1.EHE. ML:1.6 0.000071495835 0.24 AML other m 2023-03-03T07:25:45.30
IV.ASSB.HHE. ML:1.6 0.0000706 1.08 AML other m 2023-03-03T07:25:45.71
IV.TERO.HHE. ML:1.6 0.0000539 0.12 AML other m 2023-03-03T07:25:45.77
IV.TERO.HHN. ML:1.5 0.0000524 0.96 AML other m 2023-03-03T07:25:46.03
IV.MGAB.HHN. ML:1.7 0.0000766 0.9 AML other m 2023-03-03T07:25:47.13
IV.ASSB.HHN. ML:1.4 0.00004684576 0.1408 AML other m 2023-03-03T07:25:44.48
IV.CSP1.EHN. ML:2.1 0.000164993415 1.4208 AML other m 2023-03-03T07:25:48.95
IV.CSP1.EHE. ML:2.2 0.0001805919 1.2992 AML other m 2023-03-03T07:25:50.65
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