Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 08-01-2024 and time 02:15:45 (UTC) in region 7 km N Calvi dell'Umbria (TR)

A magnitude ML 2.5 earthquake occured in region: 7 km N Calvi dell'Umbria (TR), on

  • 08-01-2024 02:15:45 (UTC)
  • 08-01-2024 03:15:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4640, 12.5740 at 9 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
Calvi dell'Umbria TR 7 1856 1856
Configni RI 7 633 2489
Narni TR 8 19785 22274
Stroncone TR 8 4917 27191
Otricoli TR 9 1869 29060
Vacone RI 10 256 29316
Montebuono RI 11 883 30199
Cottanello RI 11 563 30762
Tarano RI 12 1444 32206
Terni TR 12 111501 143707
Montasola RI 12 395 144102
Torri in Sabina RI 13 1256 145358
Magliano Sabina RI 14 3774 149132
Collevecchio RI 14 1577 150709
Orte VT 15 8923 159632
Casperia RI 16 1246 160878
Greccio RI 16 1558 162436
Selci RI 17 1106 163542
San Gemini TR 17 5018 168560
Amelia TR 17 11897 180457
Contigliano RI 17 3783 184240
Gallese VT 17 2849 187089
Colli sul Velino RI 17 533 187622
Penna in Teverina TR 18 1099 188721
Cantalupo in Sabina RI 18 1685 190406
Stimigliano RI 18 2328 192734
Forano RI 19 3179 195913
Roccantica RI 19 563 196476
Vasanello VT 19 4068 200544
Labro RI 20 374 200918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SW of Terni (111501 inhabitants)
39 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)
69 Km W of L'Aquila (69753 inhabitants)
73 Km S of Perugia (166134 inhabitants)
76 Km NE of Civitavecchia (52991 inhabitants)
82 Km NE of Fiumicino (78395 inhabitants)
88 Km N of Velletri (53303 inhabitants)
88 Km N of Pomezia (62966 inhabitants)
95 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 2.5 2024-01-08
02:15:45		 42.4642 12.5735 9 2024-01-08
02:22:24		 Sala Sismica INGV-Roma 124540081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-08 02:15:45 ± 0.05
Latitude 42.4642 ± 0.0027
Longitude 12.5735 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124540081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 381
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59715
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 60
Type of magnitude ML
Reference to an origin 124540081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-08 02:22:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLMA.HHZ. 2024-01-08T02:16:29.69 3.0 negative manual Pn 4.84 0
IV.MF5.EHZ. 2024-01-08T02:16:15.96 3.0 undecidable manual S 1.37 0
IV.CSP1.EHZ. 2024-01-08T02:16:12.93 3.0 undecidable manual S 0.28 0
IV.FDMO.HHZ. 2024-01-08T02:16:09.37 3.0 undecidable manual S -0.15 0
IV.ASSB.HHZ. 2024-01-08T02:16:06.39 3.0 undecidable manual S 0.45 0
IV.CERT.HHZ. 2024-01-08T02:16:06.51 0.6 undecidable manual S 149 66.2781 50 0.73 38
IV.SMA1.EHZ. 2024-01-08T02:16:05.86 1.0 undecidable manual S 73 64.8906 50 0.43 21
IV.GIUL.HHZ. 2024-01-08T02:16:04.26 3.0 positive manual P -0.23 0
IV.NRCA.HHZ. 2024-01-08T02:16:04.16 0.6 undecidable manual S 47 60.1953 50 -0.01 46
IV.SNTG.HHZ. 2024-01-08T02:16:02.01 3.0 positive manual P 0.62 0
IV.ATMI.HHZ. 2024-01-08T02:16:02.07 3.0 negative manual P -0.26 0
IV.FOSV.EHZ. 2024-01-08T02:16:01.32 3.0 positive manual P -0.16 0
IV.LAV9.HHZ. 2024-01-08T02:16:01.08 3.0 negative manual P 0.33 0
IV.MF5.EHZ. 2024-01-08T02:16:01.51 3.0 negative manual P -0.03 0
IV.CSP1.EHZ. 2024-01-08T02:16:00.55 3.0 positive manual P 0.1 0
IV.ATCC.EHZ. 2024-01-08T02:15:59.74 3.0 negative manual P 0.48 0
IV.TERO.HHZ. 2024-01-08T02:15:59.75 3.0 positive manual P -0.78 0
IT.GNU.HGN. 2024-01-08T02:15:58.46 0.6 undecidable manual S 360 37.629 50 0.31 45
IV.LNSS.HHZ. 2024-01-08T02:15:58.99 0.6 undecidable manual S 68 41.1255 50 -0.09 47
IV.FDMO.HHZ. 2024-01-08T02:15:58.68 3.0 negative manual P -0.01 0
IV.CESI.HHZ. 2024-01-08T02:15:57.00 3.0 positive manual P 0.05 0
IV.CERT.HHZ. 2024-01-08T02:15:57.04 1.0 undecidable manual P 149 66.2781 50 -0.02 23
IV.ASSB.HHZ. 2024-01-08T02:15:56.40 3.0 negative manual P -0.28 0
IV.SMA1.EHZ. 2024-01-08T02:15:56.93 0.3 positive manual P 73 64.8906 50 0.08 68
IV.NRCA.HHZ. 2024-01-08T02:15:55.94 0.1 undecidable manual P 47 60.1953 50 -0.19 89
IV.MTCE.HHZ. 2024-01-08T02:15:54.57 0.1 undecidable manual P 164 50.9157 50 -0.12 92
IV.FIAM.HHZ. 2024-01-08T02:15:54.37 0.1 undecidable manual P 116 49.617 50 -0.12 92
IT.MMP1.HGE. 2024-01-08T02:15:54.76 0.6 undecidable manual S 149 27.8499 108 -0.51 44
IV.RM33.EHZ. 2024-01-08T02:15:54.87 0.1 undecidable manual P 84 52.7028 50 -0.09 92
IV.SRES.HHZ. 2024-01-08T02:15:54.88 0.6 undecidable manual S 192 25.752 109 0.29 46
IV.LNSS.HHZ. 2024-01-08T02:15:53.11 0.1 positive manual P 68 41.1255 50 -0.08 94
IV.GAVE.EHZ. 2024-01-08T02:15:52.59 0.6 undecidable manual P 46 36.4413 50 0.13 47
IV.ARRO.EHZ. 2024-01-08T02:15:52.94 0.3 undecidable manual S 51 20.2686 114 0.13 73
IT.GNU.HGN. 2024-01-08T02:15:52.34 0.1 undecidable manual P 360 37.629 50 -0.31 90
IV.ORTE.EHZ. 2024-01-08T02:15:51.31 0.1 undecidable manual S 269 15.4734 120 -0.02 100
IV.CESX.HHZ. 2024-01-08T02:15:51.28 0.1 undecidable manual S 4 16.0728 119 -0.22 96
IV.SRES.HHZ. 2024-01-08T02:15:50.54 0.3 positive manual P 192 25.752 109 -0.05 73
IT.MMP1.HGE. 2024-01-08T02:15:50.90 0.1 undecidable manual P 149 27.8499 108 -0.09 96
IV.ARRO.EHZ. 2024-01-08T02:15:49.94 0.1 positive manual P 51 20.2686 114 0.37 92
IV.ORTE.EHZ. 2024-01-08T02:15:48.85 0.1 undecidable manual P 269 15.4734 120 0.14 98
IV.CESX.HHZ. 2024-01-08T02:15:48.93 0.1 negative manual P 4 16.0728 119 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:2.7 0.00496 1.34 AML other m 2024-01-08T02:15:51.90
IV.ARRO.EHE. ML:2.4 0.001895 1.72 AML other m 2024-01-08T02:15:55.13
IV.ARRO.EHN. ML:2.4 0.00197 0.44 AML other m 2024-01-08T02:15:55.26
IV.CESX.HHE. ML:2.7 0.0053100000000000005 0.44 AML other m 2024-01-08T02:15:55.55
IV.SRES.HHE. ML:2.1 0.000775 0.56 AML other m 2024-01-08T02:15:55.65
IV.ORTE.EHE. ML:2.8 0.00607 0.54 AML other m 2024-01-08T02:15:56.26
IV.SRES.HHN. ML:2.0 0.0006414999999999999 0.64 AML other m 2024-01-08T02:15:56.62
IV.ORTE.EHN. ML:2.8 0.005705 0.72 AML other m 2024-01-08T02:15:59.50
IV.LNSS.HNE. ML:2.4 0.0009495 0.96 AML other m 2024-01-08T02:16:00.89
IV.GAVE.EHE. ML:2.4 0.000916 0.72 AML other m 2024-01-08T02:16:00.18
IV.GAVE.EHN. ML:2.3 0.0008634999999999999 0.82 AML other m 2024-01-08T02:16:00.86
IV.LNSS.HHE. ML:2.4 0.000966 0.14 AML other m 2024-01-08T02:16:00.89
IV.LNSS.HNN. ML:2.6 0.0013399999999999998 0.94 AML other m 2024-01-08T02:16:01.24
IV.LNSS.HHN. ML:2.6 0.001395 0.46 AML other m 2024-01-08T02:16:01.25
IV.NRCA.HNE. ML:2.6 0.0007769999999999999 0.54 AML other m 2024-01-08T02:16:05.91
IV.NRCA.HHE. ML:2.6 0.0008035 0.54 AML other m 2024-01-08T02:16:05.91
IV.NRCA.HHN. ML:2.3 0.000402 0.12 AML other m 2024-01-08T02:16:06.08
IV.RM33.HNE. ML:2.4 0.0006365 0.58 AML other m 2024-01-08T02:16:06.36
IV.RM33.EHE. ML:2.4 0.0005660000000000001 0.58 AML other m 2024-01-08T02:16:06.36
IV.MTCE.HHE. ML:2.1 0.00033499999999999996 1.14 AML other m 2024-01-08T02:16:06.05
IV.MTCE.HHN. ML:2.1 0.0003485 1.24 AML other m 2024-01-08T02:16:06.66
IV.ASSB.HHE. ML:2.5 0.000583 0.34 AML other m 2024-01-08T02:16:06.82
IV.CESI.HHN. ML:2.6 0.000819 1.02 AML other m 2024-01-08T02:16:07.13
IV.CESI.HNN. ML:2.6 0.0008005 0.62 AML other m 2024-01-08T02:16:07.21
IV.ASSB.HHN. ML:2.5 0.0006519999999999999 0.32 AML other m 2024-01-08T02:16:07.47
IV.RM33.EHN. ML:2.4 0.000551 0.28 AML other m 2024-01-08T02:16:07.98
IV.RM33.HNN. ML:2.4 0.0006055 0.28 AML other m 2024-01-08T02:16:07.98
IV.FIAM.HHN. ML:2.4 0.000612 0.84 AML other m 2024-01-08T02:16:08.11
IV.FIAM.HNN. ML:2.4 0.0006585 0.84 AML other m 2024-01-08T02:16:08.12
IV.NRCA.HNN. ML:2.3 0.0004345 1 AML other m 2024-01-08T02:16:09.58
IV.FIAM.HHE. ML:2.5 0.0009 1 AML other m 2024-01-08T02:16:09.16
IV.FIAM.HNE. ML:2.5 0.000869 1 AML other m 2024-01-08T02:16:09.67
IV.FDMO.HHN. ML:2.4 0.0004195 0.56 AML other m 2024-01-08T02:16:10.62
IV.FDMO.HHE. ML:2.5 0.000522 0.26 AML other m 2024-01-08T02:16:10.83
IV.CERT.HHN. ML:2.2 0.0002915 0.48 AML other m 2024-01-08T02:16:11.52
IV.CESI.HNE. ML:2.4 0.0005365 1.42 AML other m 2024-01-08T02:16:12.26
IV.CESI.HHE. ML:2.5 0.0006125000000000001 1.42 AML other m 2024-01-08T02:16:12.27
IV.CERT.HHE. ML:2.4 0.0003985 0.46 AML other m 2024-01-08T02:16:12.54
IV.ATCC.EHE. ML:2.6 0.0005949999999999999 0.58 AML other m 2024-01-08T02:16:12.62
IV.SMA1.EHN. ML:2.5 0.0006465 0.42 AML other m 2024-01-08T02:16:13.45
IV.SMA1.EHE. ML:2.5 0.000597 0.52 AML other m 2024-01-08T02:16:13.63
IV.ATCC.EHN. ML:2.6 0.000628 0.42 AML other m 2024-01-08T02:16:17.11
IV.ATCC.HNN. ML:2.6 0.000644 0.42 AML other m 2024-01-08T02:16:17.12
IV.SNTG.HHE. ML:2.3 0.00023799999999999998 0.94 AML other m 2024-01-08T02:16:17.34
IV.SNTG.HNE. ML:2.5 0.000321 0.94 AML other m 2024-01-08T02:16:17.34
IV.SNTG.HHN. ML:2.3 0.000235 0.82 AML other m 2024-01-08T02:16:17.35
IV.ATCC.HNE. ML:2.7 0.0006665 1.42 AML other m 2024-01-08T02:16:17.10
IV.LAV9.HNN. ML:2.8 0.0008 0.44 AML other m 2024-01-08T02:16:18.21
IV.CSP1.EHN. ML:2.8 0.0007545 0.32 AML other m 2024-01-08T02:16:18.29
IV.FOSV.EHN. ML:2.4 0.0002445 0.8 AML other m 2024-01-08T02:16:18.44
IV.CSP1.EHE. ML:2.8 0.0008775 0.36 AML other m 2024-01-08T02:16:19.18
IV.SNTG.HNN. ML:2.4 0.00027049999999999996 0.44 AML other m 2024-01-08T02:16:19.85
IV.LAV9.HHE. ML:2.5 0.00035099999999999997 0.54 AML other m 2024-01-08T02:16:20.32
IV.LAV9.HNE. ML:2.8 0.000852 0.52 AML other m 2024-01-08T02:16:20.32
IV.FOSV.HNE. ML:2.5 0.00032250000000000003 0.84 AML other m 2024-01-08T02:16:20.51
IV.ATMI.HHN. ML:2.9 0.0008775 0.86 AML other m 2024-01-08T02:16:21.76
IV.FOSV.EHE. ML:2.4 0.000248 0.54 AML other m 2024-01-08T02:16:21.40
IV.FOSV.HNN. ML:2.3 0.00023649999999999998 0.4 AML other m 2024-01-08T02:16:21.46
IV.LAV9.HHN. ML:2.5 0.00034599999999999995 0.5 AML other m 2024-01-08T02:16:22.69
IV.ATMI.HHE. ML:2.8 0.0007135 0.76 AML other m 2024-01-08T02:16:23.07
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
Waveforms Seismic signals in miniseed + resp format Download