Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 17-01-2023 and time 00:09:06 (UTC) in region 5 km E Cantalice (RI)

A magnitude ML 1.1 earthquake occured in region: 5 km E Cantalice (RI), on

  • 17-01-2023 00:09:06 (UTC)
  • 17-01-2023 01:09:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4880, 12.9560 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Cantalice RI 5 2755 2755
Poggio Bustone RI 6 2055 4810
Leonessa RI 8 2435 7245
Rivodutri RI 9 1253 8498
Micigliano RI 9 127 8625
Morro Reatino RI 11 373 8998
Cittaducale RI 11 6828 15826
Rieti RI 12 47698 63524
Castel Sant'Angelo RI 12 1308 64832
Posta RI 12 694 65526
Borgo Velino RI 12 972 66498
Antrodoco RI 13 2588 69086
Labro RI 13 374 69460
Polino TR 14 233 69693
Colli sul Velino RI 15 533 70226
Borbona RI 15 617 70843
Greccio RI 16 1558 72401
Contigliano RI 18 3783 76184
Monteleone di Spoleto PG 18 599 76783
Concerviano RI 18 291 77074
Arrone TR 19 2763 79837
Belmonte in Sabina RI 20 636 80473
Montefranco TR 20 1276 81749

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Terni (111501 inhabitants)
39 Km W of L'Aquila (69753 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
57 Km NE of Guidonia Montecelio (88673 inhabitants)
60 Km N of Tivoli (56533 inhabitants)
64 Km W of Teramo (54892 inhabitants)
70 Km E of Viterbo (67173 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
90 Km N of Velletri (53303 inhabitants)
98 Km W of Montesilvano (53738 inhabitants)
98 Km NE of Pomezia (62966 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
Reviewed
Rev100 		ML 1.1 2023-01-17
00:09:06		 42.4882 12.9562 6 2023-01-17
00:24:38		 Sala Sismica INGV-Roma 113602321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-17 00:09:06 ± 0.09
Latitude 42.4882 ± 0.0045
Longitude 12.9562 ± 0.0061
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113602321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 256
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 113602321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-17 00:24:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-01-17T00:09:23.30 3.0 undecidable manual P 0.01 0
IV.FIAM.HHZ. 2023-01-17T00:09:16.16 0.3 undecidable manual S 152 27.75 102 -0.19 94
IV.SRES.HHE. 2023-01-17T00:09:15.95 0.3 undecidable manual P 233 46.0206 50 0.28 83
IV.NRCA.HHZ. 2023-01-17T00:09:14.73 0.3 undecidable manual P 19 40.4262 98 0.05 92
IV.RM33.EHZ. 2023-01-17T00:09:14.07 0.3 undecidable manual S 84 21.2676 105 -0.08 97
IV.GAVE.HNZ. 2023-01-17T00:09:14.45 0.3 undecidable manual S 347 23.1546 104 -0.35 92
IV.ARRO.EHZ. 2023-01-17T00:09:13.23 0.3 undecidable manual S 303 18.5703 108 -0.02 98
IV.SMA1.EHZ. 2023-01-17T00:09:13.24 0.3 undecidable manual P 63 34.743 100 -0.32 92
IV.FIAM.HHZ. 2023-01-17T00:09:12.17 0.3 undecidable manual P 152 27.75 102 -0.01 99
IV.LNSS.HHZ. 2023-01-17T00:09:12.24 0.3 undecidable manual S 28 14.4744 112 0.32 97
IV.GAVE.HNZ. 2023-01-17T00:09:11.09 0.3 undecidable manual P 347 23.1546 104 -0.2 96
IV.RM33.EHZ. 2023-01-17T00:09:11.08 0.3 undecidable manual P 84 21.2676 105 0.16 97
IV.ARRO.EHZ. 2023-01-17T00:09:10.43 0.3 undecidable manual P 303 18.5703 108 0.03 100
IV.LNSS.HHZ. 2023-01-17T00:09:09.90 0.3 undecidable manual P 28 14.4744 112 0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.5 0.00036952445 0.12 AML other m 2023-01-17T00:09:12.41
IV.LNSS.HHN. ML:1.3 0.00023292775 0.18 AML other m 2023-01-17T00:09:13.26
IV.RM33.EHE. ML:1.0 0.000070298335 0.26 AML other m 2023-01-17T00:09:15.38
IV.RM33.EHN. ML:0.9 0.000056900881 0.14 AML other m 2023-01-17T00:09:15.14
IV.NRCA.HHE. ML:1.2 0.000053586985000000006 0.12 AML other m 2023-01-17T00:09:19.79
IV.NRCA.HHN. ML:0.9 0.00002560038 0.12 AML other m 2023-01-17T00:09:19.78
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