Earthquake with magnitude of ML 1.6 on date 08-01-2024 and time 04:48:08 (Italy) in region 7 km N Calvi dell'Umbria (TR)

A magnitude ML 1.6 earthquake occured in region: 7 km N Calvi dell'Umbria (TR), on

  • 08-01-2024 03:48:08 (UTC)
  • 08-01-2024 04:48:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4640, 12.5600 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Calvi dell'Umbria TR 7 1856 1856
Narni TR 7 19785 21641
Otricoli TR 8 1869 23510
Configni RI 8 633 24143
Stroncone TR 9 4917 29060
Vacone RI 11 256 29316
Montebuono RI 11 883 30199
Cottanello RI 12 563 30762
Tarano RI 12 1444 32206
Magliano Sabina RI 13 3774 35980
Terni TR 13 111501 147481
Montasola RI 13 395 147876
Torri in Sabina RI 14 1256 149132
Orte VT 14 8923 158055
Collevecchio RI 14 1577 159632
Amelia TR 16 11897 171529
Gallese VT 16 2849 174378
Casperia RI 17 1246 175624
San Gemini TR 17 5018 180642
Selci RI 17 1106 181748
Penna in Teverina TR 17 1099 182847
Greccio RI 17 1558 184405
Contigliano RI 18 3783 188188
Vasanello VT 18 4068 192256
Stimigliano RI 18 2328 194584
Colli sul Velino RI 19 533 195117
Forano RI 19 3179 198296
Cantalupo in Sabina RI 19 1685 199981
Roccantica RI 19 563 200544
Giove TR 20 1928 202472

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Terni (111501 inhabitants)
38 Km E of Viterbo (67173 inhabitants)
53 Km N of Guidonia Montecelio (88673 inhabitants)
56 Km S of Foligno (57155 inhabitants)
59 Km NW of Tivoli (56533 inhabitants)
64 Km N of Roma (2864731 inhabitants)
70 Km W of L'Aquila (69753 inhabitants)
73 Km S of Perugia (166134 inhabitants)
75 Km NE of Civitavecchia (52991 inhabitants)
81 Km NE of Fiumicino (78395 inhabitants)
88 Km N of Velletri (53303 inhabitants)
88 Km N of Pomezia (62966 inhabitants)
96 Km W of Teramo (54892 inhabitants)
97 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
Reviewed
Rev100
ML 1.6 2024-01-08
03:48:08
42.4645 12.5597 10 2024-01-08
03:53:50
Sala Sismica INGV-Roma 124540861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-08 03:48:08 ± 0.12
Latitude 42.4645 ± 0.0045
Longitude 12.5597 ± 0.0171
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124540861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1420
Semi-minor axis of confidence ellipse (meter) 295
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 1420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54949
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 124540861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-08 03:53:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-01-08T03:48:36.18 3.0 undecidable manual S -0.08 0
IV.BADI.EHZ. 2024-01-08T03:48:28.91 3.0 undecidable manual P 0.05 0
IV.CSP1.EHZ. 2024-01-08T03:48:23.77 3.0 negative manual P -0.16 0
IV.LNSS.HHZ. 2024-01-08T03:48:22.48 0.6 undecidable manual S 69 42.2244 50 0.27 45
IV.GAVE.EHZ. 2024-01-08T03:48:20.78 0.6 undecidable manual S 47 37.2294 50 -0.1 48
IV.CERT.HHZ. 2024-01-08T03:48:20.25 3.0 positive manual P 0.06 0
IV.SMA1.EHZ. 2024-01-08T03:48:20.09 3.0 undecidable manual P -0.18 0
IV.NRCA.HHZ. 2024-01-08T03:48:18.89 1.0 undecidable manual P 48 60.9945 50 -0.27 22
IV.FIAM.HHZ. 2024-01-08T03:48:17.60 1.0 positive manual P 115 50.616 50 0.04 23
IV.RM33.EHZ. 2024-01-08T03:48:17.93 3.0 positive manual P -0.25 0
IV.SRES.HHZ. 2024-01-08T03:48:17.53 1.0 undecidable manual S 189 25.5522 110 -0.05 25
IV.GAVE.EHZ. 2024-01-08T03:48:15.73 0.3 positive manual P 47 37.2294 50 0.24 69
IV.LNSS.HHZ. 2024-01-08T03:48:15.93 0.3 undecidable manual P 69 42.2244 50 -0.32 67
IV.CESX.HHZ. 2024-01-08T03:48:14.70 0.6 undecidable manual S 8 16.1727 120 0.09 49
IV.SRES.HHZ. 2024-01-08T03:48:13.64 0.1 undecidable manual P 189 25.5522 110 0.06 98
IV.ARRO.EHZ. 2024-01-08T03:48:12.73 0.1 undecidable manual P 53 21.0678 114 -0.03 99
IV.CESX.HHZ. 2024-01-08T03:48:11.83 0.1 undecidable manual P 8 16.1727 120 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:1.6 0.000404 0.26 AML other m 2024-01-08T03:48:14.96
IV.ARRO.EHN. ML:1.5 0.0002295 1.58 AML other m 2024-01-08T03:48:17.94
IV.ARRO.EHE. ML:1.4 0.0001805 0.26 AML other m 2024-01-08T03:48:18.06
IV.CESX.HHE. ML:1.6 0.00040849999999999995 0.38 AML other m 2024-01-08T03:48:18.46
IV.GAVE.EHE. ML:1.6 0.00016525 0.42 AML other m 2024-01-08T03:48:21.69
IV.GAVE.EHN. ML:1.6 0.00016849999999999998 0.66 AML other m 2024-01-08T03:48:23.95
IV.LNSS.HHE. ML:1.7 0.000177 1.54 AML other m 2024-01-08T03:48:23.90
IV.LNSS.HHN. ML:1.7 0.000162 0.42 AML other m 2024-01-08T03:48:25.12
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