Earthquake with magnitude of ML 1.0 on date 24-02-2024 and time 11:38:18 (UTC) in region 3 km N Calvi dell'Umbria (TR)

A magnitude ML 1.0 earthquake occured in region: 3 km N Calvi dell'Umbria (TR), on

  • 24-02-2024 11:38:18 (UTC)
  • 24-02-2024 12:38:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4300, 12.5690 at 12 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 3 1856 1856
Configni RI 6 633 2489
Vacone RI 7 256 2745
Otricoli TR 7 1869 4614
Montebuono RI 8 883 5497
Tarano RI 9 1444 6941
Cottanello RI 10 563 7504
Torri in Sabina RI 10 1256 8760
Magliano Sabina RI 10 3774 12534
Montasola RI 11 395 12929
Collevecchio RI 11 1577 14506
Narni TR 11 19785 34291
Stroncone TR 11 4917 39208
Selci RI 13 1106 40314
Casperia RI 13 1246 41560
Stimigliano RI 15 2328 43888
Forano RI 15 3179 47067
Gallese VT 15 2849 49916
Cantalupo in Sabina RI 15 1685 51601
Orte VT 15 8923 60524
Roccantica RI 16 563 61087
Terni TR 16 111501 172588
Contigliano RI 16 3783 176371
Greccio RI 17 1558 177929
Poggio Catino RI 18 1341 179270
Vasanello VT 18 4068 183338
Penna in Teverina TR 19 1099 184437
Ponzano Romano RM 19 1155 185592
Colli sul Velino RI 19 533 186125
Amelia TR 19 11897 198022
Filacciano RM 20 477 198499
Corchiano VT 20 3869 202368

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Terni (111501 inhabitants)
38 Km E of Viterbo (67173 inhabitants)
50 Km N of Guidonia Montecelio (88673 inhabitants)
55 Km NW of Tivoli (56533 inhabitants)
60 Km S of Foligno (57155 inhabitants)
60 Km N of Roma (2864731 inhabitants)
69 Km W of L'Aquila (69753 inhabitants)
74 Km NE of Civitavecchia (52991 inhabitants)
77 Km S of Perugia (166134 inhabitants)
78 Km NE of Fiumicino (78395 inhabitants)
84 Km N of Velletri (53303 inhabitants)
85 Km N of Pomezia (62966 inhabitants)
93 Km N of Aprilia (73446 inhabitants)
97 Km W of Teramo (54892 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 1.0 2024-02-24
11:38:18
42.4302 12.5687 12 2024-02-24
11:53:41
Sala Sismica INGV-Roma 125521311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-24 11:38:18 ± 0.11
Latitude 42.4302 ± 0.0072
Longitude 12.5687 ± 0.0195
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125521311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1363
Semi-minor axis of confidence ellipse (meter) 971
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 10
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) 0.20774
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 125521311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-24 11:53:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.BLY.HHZ. 2024-02-24T11:39:51.64 3.0 undecidable manual Sg 12.73 0
OX.MPRI.HHZ. 2024-02-24T11:39:46.66 3.0 undecidable manual Sg -0.58 0
IV.HLNI.HHZ. 2024-02-24T11:39:40.29 3.0 undecidable manual Pg 38.299999 0
AC.VLO.HHZ.00 2024-02-24T11:39:19.92 3.0 negative manual Pn 19.040001 0
OX.PLRO.HHZ. 2024-02-24T11:39:07.73 3.0 undecidable manual Pg 11.11 0
FR.AJAC.HHZ.00 2024-02-24T11:39:02.29 3.0 negative manual Pn 15.82 0
IV.TRIV.HHZ. 2024-02-24T11:38:54.66 3.0 undecidable manual Sg 1.19 0
IV.PIGN.HHZ. 2024-02-24T11:38:52.23 3.0 undecidable manual Sn -2.98 0
IV.PTRJ.HHZ. 2024-02-24T11:38:51.99 3.0 undecidable manual Sn -3.42 0
MN.TRI.HHZ. 2024-02-24T11:38:48.12 3.0 negative manual Pn 1.38 0
IV.SRES.HHZ. 2024-02-24T11:38:27.00 0.6 undecidable manual S 193 21.9669 97 -0.13 49
IV.ARRO.EHZ. 2024-02-24T11:38:27.83 0.6 undecidable manual S 44 23.0547 96 0.4 47
IV.CESX.HHZ. 2024-02-24T11:38:26.82 1.0 undecidable manual S 4 19.869 99 0.25 24
IV.ORTE.EHN. 2024-02-24T11:38:25.70 1.0 undecidable manual S 283 15.4734 107 0.27 24
IT.TRN1.HNN. 2024-02-24T11:38:25.08 1.0 undecidable manual S 24 15.5733 107 -0.38 23
IV.SRES.HHZ. 2024-02-24T11:38:23.58 0.1 undecidable manual P 193 21.9669 97 -0.03 100
IV.ORTE.EHN. 2024-02-24T11:38:23.04 1.0 undecidable manual P 283 15.4734 107 0.41 23
IV.ARRO.EHZ. 2024-02-24T11:38:23.78 0.1 undecidable manual P 44 23.0547 96 0 99
IV.CESX.HHZ. 2024-02-24T11:38:22.91 0.6 positive manual P 4 19.869 99 -0.38 46
IT.TRN1.HNN. 2024-02-24T11:38:22.42 1.0 undecidable manual P 24 15.5733 107 -0.22 24
IV.ARVD.HHZ. 2024-02-24T11:38:21.88 3.0 undecidable manual P -4.42 0
IV.CSP1.EHZ. 2024-02-24T11:38:19.80 3.0 undecidable manual P -3.84 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.1 0.0000852 0.3 AML other m 2024-02-24T11:38:28.74
IV.ARRO.EHN. ML:1.3 0.000121 1.58 AML other m 2024-02-24T11:38:28.15
IV.CESX.HHE. ML:0.8 0.000044140165 0.3008 AML other m 2024-02-24T11:38:24.74
IV.CESX.HHN. ML:0.9 0.00006016632500000001 0.2176 AML other m 2024-02-24T11:38:28.53
IV.SRES.HHE. ML:0.8 0.000046689765 0.1984 AML other m 2024-02-24T11:38:28.07
IV.SRES.HHN. ML:0.7 0.000036945829999999997 0.2624 AML other m 2024-02-24T11:38:30.69
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