Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 07-01-2024 and time 23:42:39 (UTC) in region 6 km N Calvi dell'Umbria (TR)

A magnitude ML 2.3 earthquake occured in region: 6 km N Calvi dell'Umbria (TR), on

  • 07-01-2024 23:42:39 (UTC)
  • 08-01-2024 00:42:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4580, 12.5800 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 6 1856 1856
Configni RI 6 633 2489
Stroncone TR 8 4917 7406
Narni TR 9 19785 27191
Otricoli TR 9 1869 29060
Vacone RI 9 256 29316
Montebuono RI 10 883 30199
Cottanello RI 11 563 30762
Tarano RI 11 1444 32206
Montasola RI 12 395 32601
Torri in Sabina RI 13 1256 33857
Terni TR 13 111501 145358
Magliano Sabina RI 13 3774 149132
Collevecchio RI 14 1577 150709
Casperia RI 15 1246 151955
Greccio RI 16 1558 153513
Selci RI 16 1106 154619
Orte VT 16 8923 163542
Contigliano RI 16 3783 167325
Gallese VT 17 2849 170174
Colli sul Velino RI 17 533 170707
Cantalupo in Sabina RI 18 1685 172392
San Gemini TR 18 5018 177410
Amelia TR 18 11897 189307
Forano RI 18 3179 192486
Roccantica RI 18 563 193049
Stimigliano RI 18 2328 195377
Penna in Teverina TR 19 1099 196476
Vasanello VT 20 4068 200544
Labro RI 20 374 200918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km SW of Terni (111501 inhabitants)
39 Km E of Viterbo (67173 inhabitants)
52 Km N of Guidonia Montecelio (88673 inhabitants)
56 Km S of Foligno (57155 inhabitants)
58 Km NW of Tivoli (56533 inhabitants)
63 Km N of Roma (2864731 inhabitants)
68 Km W of L'Aquila (69753 inhabitants)
74 Km S of Perugia (166134 inhabitants)
76 Km NE of Civitavecchia (52991 inhabitants)
81 Km NE of Fiumicino (78395 inhabitants)
87 Km N of Velletri (53303 inhabitants)
88 Km N of Pomezia (62966 inhabitants)
95 Km W of Teramo (54892 inhabitants)
96 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 2.3 2024-01-07
23:42:39		 42.4582 12.5795 9 2024-01-07
23:47:45		 Sala Sismica INGV-Roma 124538771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-07 23:42:39 ± 0.06
Latitude 42.4582 ± 0.0027
Longitude 12.5795 ± 0.0061
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 124538771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 408
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68798
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 42
Type of magnitude ML
Reference to an origin 124538771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-07 23:47:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2024-01-07T23:43:21.03 3.0 undecidable manual S -0.22 0
IV.SNTG.HHZ. 2024-01-07T23:43:07.72 3.0 undecidable manual S -1.71 0
IV.FDMO.HHZ. 2024-01-07T23:43:03.55 0.6 undecidable manual S 33 76.368 50 0.47 41
IV.RIBO.EHZ.01 2024-01-07T23:43:02.32 3.0 undecidable manual P -0.75 0
IV.CERT.HHZ. 2024-01-07T23:43:01.67 3.0 undecidable manual S 0.48 0
IV.CING.HHZ. 2024-01-07T23:43:01.21 3.0 negative manual P 1.43 0
IV.ASSB.HHZ. 2024-01-07T23:43:00.27 0.6 undecidable manual S 6 65.1903 50 0.19 45
IV.CAFI.HHZ. 2024-01-07T23:43:00.46 3.0 undecidable manual P 1.21 0
IV.CESI.HHZ. 2024-01-07T23:43:00.95 0.6 undecidable manual S 23 66.1893 50 0.59 40
IV.LATB.EHZ. 2024-01-07T23:42:59.16 3.0 undecidable manual P -0.39 0
IV.MPAG.EHZ. 2024-01-07T23:42:59.96 3.0 undecidable manual P -2.15 0
IV.ATMI.HHZ. 2024-01-07T23:42:58.46 3.0 negative manual P 0.66 0
IV.FAGN.HHZ. 2024-01-07T23:42:58.01 3.0 negative manual P 3.04 0
IV.RM33.EHZ. 2024-01-07T23:42:56.52 0.6 undecidable manual S 84 52.2033 50 -0.12 47
IV.MF5.EHZ. 2024-01-07T23:42:56.66 3.0 negative manual P 0.39 0
IV.FIAM.HHZ. 2024-01-07T23:42:55.93 0.6 undecidable manual S 115 48.8178 50 0.19 46
IV.TERO.HHZ. 2024-01-07T23:42:54.56 3.0 positive manual P -0.5 0
IV.CSP1.EHZ. 2024-01-07T23:42:54.02 3.0 positive manual P -1.29 0
IV.FDMO.HHZ. 2024-01-07T23:42:53.27 0.6 positive manual P 33 76.368 50 0.06 45
IV.LNSS.HHZ. 2024-01-07T23:42:53.67 0.6 undecidable manual S 67 40.9257 50 0.05 48
IV.GAVE.EHZ. 2024-01-07T23:42:52.51 0.6 undecidable manual S 45 36.5412 50 0.06 48
IT.GNU.HGE. 2024-01-07T23:42:52.90 0.3 undecidable manual S 359 38.3283 50 -0.03 73
IV.CESI.HHZ. 2024-01-07T23:42:51.45 1.0 negative manual P 23 66.1893 50 -0.2 22
IV.CERT.HHZ. 2024-01-07T23:42:51.57 3.0 negative manual P -0.23 0
IV.SMA1.EHZ. 2024-01-07T23:42:51.31 3.0 undecidable manual P -0.23 0
IV.ASSB.HHZ. 2024-01-07T23:42:51.07 1.0 undecidable manual P 6 65.1903 50 -0.42 21
IV.NRCA.HHZ. 2024-01-07T23:42:50.47 1.0 positive manual P 46 60.2952 50 -0.28 22
IV.SRES.HHZ. 2024-01-07T23:42:49.06 0.6 undecidable manual S 193 25.1526 109 0.04 50
IV.RM33.EHZ. 2024-01-07T23:42:49.11 1.0 undecidable manual P 84 52.2033 50 -0.4 22
IV.FIAM.HHZ. 2024-01-07T23:42:48.76 1.0 positive manual P 115 48.8178 50 -0.22 23
IV.GAVE.EHZ. 2024-01-07T23:42:47.19 0.3 positive manual P 45 36.5412 50 0.1 72
IV.ARRO.EHZ. 2024-01-07T23:42:47.55 0.6 undecidable manual S 49 20.2686 114 0.11 49
IV.LNSS.HHZ. 2024-01-07T23:42:47.33 1.0 undecidable manual P 67 40.9257 50 -0.43 22
IV.MTCE.HHZ. 2024-01-07T23:42:47.77 3.0 negative manual P -1.54 0
IT.GNU.HGE. 2024-01-07T23:42:46.82 0.1 undecidable manual P 359 38.3283 50 -0.54 87
IV.CESX.HHZ. 2024-01-07T23:42:46.22 0.6 undecidable manual S 2 16.6722 118 -0.09 50
IV.ORTE.EHZ. 2024-01-07T23:42:46.38 0.6 undecidable manual S 271 15.9729 119 0.3 48
IT.MMP1.HGZ. 2024-01-07T23:42:45.47 0.1 undecidable manual P 149 26.9508 108 0.03 99
IV.SRES.HHZ. 2024-01-07T23:42:45.10 0.6 positive manual P 193 25.1526 109 0 50
IV.ARRO.EHZ. 2024-01-07T23:42:44.19 0.3 positive manual P 49 20.2686 114 0 76
IV.CESX.HHZ. 2024-01-07T23:42:43.46 0.1 negative manual P 2 16.6722 118 -0.08 100
IV.ORTE.EHZ. 2024-01-07T23:42:43.49 0.3 negative manual P 271 15.9729 119 0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:2.6 0.00395 0.3 AML other m 2024-01-07T23:42:46.42
IV.ARRO.EHE. ML:2.2 0.001265 0.78 AML other m 2024-01-07T23:42:48.48
IV.ARRO.EHN. ML:2.3 0.001415 1.62 AML other m 2024-01-07T23:42:49.15
IV.CESX.HHE. ML:2.6 0.00381 0.62 AML other m 2024-01-07T23:42:50.06
IV.ORTE.EHE. ML:2.7 0.00514 1.52 AML other m 2024-01-07T23:42:50.84
IV.SRES.HHE. ML:2.0 0.0005994999999999999 0.34 AML other m 2024-01-07T23:42:53.04
IV.LNSS.HHN. ML:2.4 0.0008979999999999999 0.3 AML other m 2024-01-07T23:42:53.96
IV.ORTE.EHN. ML:2.6 0.00408 0.84 AML other m 2024-01-07T23:42:54.75
IV.LNSS.HNN. ML:2.4 0.000869 0.86 AML other m 2024-01-07T23:42:55.09
IV.GAVE.EHE. ML:2.2 0.0005835 0.22 AML other m 2024-01-07T23:42:55.88
IV.GAVE.EHN. ML:2.2 0.000609 1.4 AML other m 2024-01-07T23:42:55.19
IV.SRES.HHN. ML:1.9 0.000528 0.4 AML other m 2024-01-07T23:42:55.90
IV.LNSS.HHE. ML:2.4 0.0008129999999999999 1.46 AML other m 2024-01-07T23:42:56.83
IV.LNSS.HNE. ML:2.4 0.0008175 1.46 AML other m 2024-01-07T23:42:56.10
IV.MTCE.HHE. ML:1.9 0.0002145 1.36 AML other m 2024-01-07T23:42:58.04
IV.RM33.HNE. ML:2.2 0.00036650000000000007 0.66 AML other m 2024-01-07T23:42:59.42
IV.FIAM.HHN. ML:2.2 0.0004095 0.9 AML other m 2024-01-07T23:43:00.20
IV.RM33.EHE. ML:2.1 0.00033999999999999997 0.74 AML other m 2024-01-07T23:43:00.43
IV.MTCE.HHN. ML:2.0 0.00026849999999999997 0.62 AML other m 2024-01-07T23:43:01.17
IV.NRCA.HHN. ML:2.1 0.00027749999999999997 1.18 AML other m 2024-01-07T23:43:01.26
IV.NRCA.HHE. ML:2.3 0.00038700000000000003 0.86 AML other m 2024-01-07T23:43:01.58
IV.CESI.HHN. ML:2.4 0.000496 0.98 AML other m 2024-01-07T23:43:01.61
IV.CESI.HHE. ML:2.3 0.00033499999999999996 1.68 AML other m 2024-01-07T23:43:02.00
IV.RM33.HNN. ML:2.2 0.000359 0.88 AML other m 2024-01-07T23:43:02.44
IV.RM33.EHN. ML:2.2 0.0003575 0.88 AML other m 2024-01-07T23:43:02.01
IV.CERT.HNN. ML:2.4 0.000533 1.18 AML other m 2024-01-07T23:43:04.10
IV.FIAM.HHE. ML:2.3 0.0005925 0.54 AML other m 2024-01-07T23:43:04.48
IV.FDMO.HHE. ML:2.4 0.0003395 0.96 AML other m 2024-01-07T23:43:05.64
IV.FDMO.HHN. ML:2.1 0.00020500000000000002 0.46 AML other m 2024-01-07T23:43:05.05
IV.CERT.HHN. ML:2.1 0.00022250000000000001 0.66 AML other m 2024-01-07T23:43:05.05
IV.CERT.HNE. ML:2.3 0.000347 0.44 AML other m 2024-01-07T23:43:06.49
IV.SMA1.EHE. ML:2.3 0.00039449999999999994 1.28 AML other m 2024-01-07T23:43:06.15
IV.CERT.HHE. ML:2.2 0.000293 0.54 AML other m 2024-01-07T23:43:07.03
IV.SMA1.EHN. ML:2.3 0.0003965 0.44 AML other m 2024-01-07T23:43:07.94
IV.CSP1.EHE. ML:2.7 0.0006284999999999999 1.48 AML other m 2024-01-07T23:43:09.14
IV.CSP1.EHN. ML:2.6 0.0005295 0.8 AML other m 2024-01-07T23:43:10.42
IV.SNTG.HHE. ML:2.2 0.000161 0.9 AML other m 2024-01-07T23:43:11.37
IV.SNTG.HHN. ML:2.2 0.0001715 0.88 AML other m 2024-01-07T23:43:14.16
IV.ATMI.HHE. ML:2.7 0.0005340000000000001 0.42 AML other m 2024-01-07T23:43:16.57
IV.ATMI.HHN. ML:2.7 0.0004904999999999999 0.68 AML other m 2024-01-07T23:43:17.55
IV.RIBO.EHE.01 ML:2.5 0.000211 0.42 AML other m 2024-01-07T23:43:24.71
IV.RIBO.EHN.01 ML:2.6 0.0002686 0.86 AML other m 2024-01-07T23:43:49.68
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