Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 20-09-2024 and time 04:20:51 (UTC) in region 2 km S Monte Cavallo (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km S Monte Cavallo (MC), on

  • 20-09-2024 04:20:51 (UTC)
  • 20-09-2024 06:20:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9750, 12.9960 at 11 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
Monte Cavallo MC 2 145 145
Visso MC 9 1107 1252
Pieve Torina MC 9 1458 2710
Fiordimonte MC 10 202 2912
Sellano PG 11 1079 3991
Preci PG 11 724 4715
Serravalle di Chienti MC 11 1070 5785
Ussita MC 12 444 6229
Pievebovigliana MC 12 866 7095
Muccia MC 13 915 8010
Fiastra MC 15 559 8569
Castelsantangelo sul Nera MC 16 281 8850
Acquacanina MC 16 121 8971
Cerreto di Spoleto PG 18 1075 10046
Camerino MC 19 6974 17020
Bolognola MC 19 142 17162
Sefro MC 20 422 17584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
97 Km S of Fano (60888 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 1.4 2024-09-20
04:20:51		 42.9748 12.9957 11 2024-09-20
04:33:17		 Sala Sismica INGV-Roma 131573451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-20 04:20:51 ± 0.06
Latitude 42.9748 ± 0.0036
Longitude 12.9957 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131573451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 460
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56837
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 43
Type of magnitude ML
Reference to an origin 131573451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-20 04:33:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2024-09-20T04:21:10.72 0.3 undecidable manual S 128 63.0924 50 0.27 65
IV.ARVD.HHZ. 2024-09-20T04:21:09.84 0.6 undecidable manual S 356 58.1973 50 0.69 39
IV.MURB.HHZ. 2024-09-20T04:21:08.17 0.3 undecidable manual S 310 49.8168 50 1.27 45
IV.SSFR.HHZ. 2024-09-20T04:21:08.52 0.3 undecidable manual S 341 54.0015 50 0.49 63
IV.CING.HHZ. 2024-09-20T04:21:06.26 0.3 undecidable manual S 20 47.3193 50 0.02 70
IV.SMA1.EHZ. 2024-09-20T04:21:06.93 0.3 undecidable manual S 144 47.1195 50 0.73 58
IV.ARRO.EHZ. 2024-09-20T04:21:05.40 0.3 undecidable manual S -1.56 0
IV.MF5.EHZ. 2024-09-20T04:21:04.14 0.3 undecidable manual S 88 37.629 50 0.47 65
IV.MOMA.HHZ. 2024-09-20T04:21:04.62 0.3 undecidable manual S 241 39.4272 50 0.47 65
IV.LNSS.HHZ. 2024-09-20T04:21:04.59 0.3 undecidable manual S 175 41.4252 50 -0.08 70
IV.ATCC.EHZ. 2024-09-20T04:21:03.58 0.3 undecidable manual S 309 37.0296 50 0.07 71
IV.GAVE.EHZ. 2024-09-20T04:21:02.13 0.3 undecidable manual S 195 32.4453 50 -0.14 71
IV.TERO.HHZ. 2024-09-20T04:21:02.05 0.3 undecidable manual P 128 63.0924 50 -0.19 66
IV.ARVD.HHZ. 2024-09-20T04:21:02.42 0.6 undecidable manual P 356 58.1973 50 0.93 35
IV.GUMA.HHZ. 2024-09-20T04:21:01.57 0.3 undecidable manual S 70 29.2485 50 0.16 71
IV.SNTG.HHZ. 2024-09-20T04:21:01.68 0.3 undecidable manual S 352 31.3464 50 -0.31 68
IV.ASSB.HHZ. 2024-09-20T04:21:00.87 0.3 undecidable manual S 285 28.3494 50 -0.31 69
IV.MMO1.EHZ. 2024-09-20T04:21:00.67 0.3 undecidable manual S 107 28.1496 50 -0.46 66
IV.SMA1.EHZ. 2024-09-20T04:21:00.24 0.3 undecidable manual P 144 47.1195 50 0.45 64
IV.MURB.HHZ. 2024-09-20T04:21:00.15 0.3 undecidable manual P 310 49.8168 50 -0.05 70
IV.SSFR.HHZ. 2024-09-20T04:21:00.56 0.1 undecidable manual P 341 54.0015 50 -0.29 88
IV.CING.HHZ. 2024-09-20T04:20:59.47 0.1 undecidable manual P 20 47.3193 50 -0.34 88
IV.MOMA.HHZ. 2024-09-20T04:20:58.39 0.1 undecidable manual P 241 39.4272 50 -0.22 91
IV.LNSS.HHZ. 2024-09-20T04:20:58.51 0.1 undecidable manual P 175 41.4252 50 -0.4 88
IV.ATCC.EHZ. 2024-09-20T04:20:58.04 0.1 undecidable manual P 309 37.0296 50 -0.2 92
IV.MF5.EHZ. 2024-09-20T04:20:58.41 0.1 undecidable manual P 88 37.629 50 0.08 94
IV.MML1.EHZ. 2024-09-20T04:20:57.29 0.3 undecidable manual S 353 15.4734 124 -0.25 71
IV.SNTG.HHZ. 2024-09-20T04:20:57.01 0.1 undecidable manual P 352 31.3464 50 -0.35 90
IV.GAVE.EHZ. 2024-09-20T04:20:57.30 0.1 undecidable manual P 195 32.4453 50 -0.22 92
IV.ASSB.HHZ. 2024-09-20T04:20:56.57 0.1 undecidable manual P 285 28.3494 50 -0.32 91
IV.MMO1.EHZ. 2024-09-20T04:20:56.48 0.1 undecidable manual P 107 28.1496 50 -0.39 90
IV.GUMA.HHZ. 2024-09-20T04:20:56.93 0.1 undecidable manual P 70 29.2485 50 -0.1 95
IV.FEMA.HNZ. 2024-09-20T04:20:55.29 0.3 undecidable manual S 108 4.5954 156 0.26 72
IV.FDMO.HHZ. 2024-09-20T04:20:55.92 0.3 undecidable manual S 47 10.0788 136 -0.19 73
IV.CESI.HHZ. 2024-09-20T04:20:55.91 0.3 undecidable manual S 294 8.0808 142 0.25 72
IV.MML1.EHZ. 2024-09-20T04:20:54.68 0.1 undecidable manual P 353 15.4734 124 -0.12 97
IT.MTCL.HGZ. 2024-09-20T04:20:54.75 0.3 undecidable manual S 8 2.0979 169 -0.02 76
IT.MTCL.HGZ. 2024-09-20T04:20:53.29 0.1 undecidable manual P 8 2.0979 169 0.09 100
IV.FEMA.HNZ. 2024-09-20T04:20:53.58 0.1 undecidable manual P 108 4.5954 156 0.23 97
IV.FDMO.HHZ. 2024-09-20T04:20:53.92 0.1 undecidable manual P 47 10.0788 136 -0.04 100
IV.CESI.HHZ. 2024-09-20T04:20:53.89 0.1 undecidable manual P 294 8.0808 142 0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IT.MTCL.HGE. ML:3.9 0.13617500000000002 0.05 AML other m 2024-09-20T04:20:54.92
IT.MTCL.HGN. ML:3.8 0.11244539 0.07 AML other m 2024-09-20T04:20:54.94
IV.FEMA.HNN. ML:1.8 0.0009635000000000001 0.14 AML other m 2024-09-20T04:20:55.36
IV.FEMA.HNE. ML:1.8 0.001111 0.18 AML other m 2024-09-20T04:20:55.46
IV.FDMO.HHN. ML:1.6 0.0005787370000000001 0.1 AML other m 2024-09-20T04:20:56.10
IV.FDMO.HHE. ML:1.8 0.0008145 0.18 AML other m 2024-09-20T04:20:56.12
IV.CESI.HHE. ML:1.9 0.0010695000000000001 0.2 AML other m 2024-09-20T04:20:56.23
IV.CESI.HNE. ML:1.8 0.0008255 0.2 AML other m 2024-09-20T04:20:56.23
IV.CESI.HNN. ML:2.2 0.00203 0.18 AML other m 2024-09-20T04:20:56.24
IV.CESI.HHN. ML:2.2 0.002075 0.18 AML other m 2024-09-20T04:20:56.24
IV.MML1.HNN. ML:1.4 0.000238709185 0.11 AML other m 2024-09-20T04:20:57.72
IV.MML1.EHN. ML:1.4 0.000256865 0.16 AML other m 2024-09-20T04:20:58.45
IV.MML1.HNE. ML:1.5 0.00029140295 0.26 AML other m 2024-09-20T04:20:57.77
IV.MML1.EHE. ML:1.5 0.00028282039999999995 0.1 AML other m 2024-09-20T04:20:57.78
IV.MMO1.EHN. ML:1.2 0.00008511833 0.08 AML other m 2024-09-20T04:21:00.97
IV.ASSB.HHN. ML:1.4 0.0001435 0.18 AML other m 2024-09-20T04:21:01.17
IV.ASSB.HHE. ML:1.4 0.0001265 0.14 AML other m 2024-09-20T04:21:01.15
IV.GUMA.HHE. ML:1.7 0.00025 0.16 AML other m 2024-09-20T04:21:01.78
IV.MMO1.EHE. ML:1.1 0.0000668657 0.14 AML other m 2024-09-20T04:21:01.86
IV.SNTG.HHN. ML:1.3 0.00008585000000000001 0.86 AML other m 2024-09-20T04:21:01.89
IV.SNTG.HHE. ML:1.2 0.0000735 1.88 AML other m 2024-09-20T04:21:02.95
IV.GUMA.HHN. ML:1.5 0.000148002 0.28 AML other m 2024-09-20T04:21:02.62
IV.GAVE.EHE. ML:1.4 0.00011364476 0.16 AML other m 2024-09-20T04:21:02.95
IV.GAVE.EHN. ML:1.3 0.00008734576999999998 0.1 AML other m 2024-09-20T04:21:03.58
IV.LNSS.HHE. ML:1.5 0.00009405 0.3 AML other m 2024-09-20T04:21:05.08
IV.MOMA.HHN. ML:1.2 0.00006135 0.18 AML other m 2024-09-20T04:21:05.59
IV.MOMA.HHE. ML:1.4 0.00008685000000000001 0.24 AML other m 2024-09-20T04:21:05.56
IV.LNSS.HHN. ML:1.4 0.000087469955 0.18 AML other m 2024-09-20T04:21:05.62
IV.GUMA.HNE. ML:1.7 0.00023502325 0.3 AML other m 2024-09-20T04:21:01.78
IV.ATCC.EHE. ML:1.2 0.00005543421 0.12 AML other m 2024-09-20T04:21:04.68
IV.ATCC.EHN. ML:0.9 0.00003224027 0.14 AML other m 2024-09-20T04:21:04.30
IV.LNSS.HNE. ML:1.6 0.00014229255000000002 0.38 AML other m 2024-09-20T04:21:05.08
IV.CING.HHE. ML:1.2 0.000039893145 0.12 AML other m 2024-09-20T04:21:07.56
IV.CING.HHN. ML:1.0 0.000032238605 0.14 AML other m 2024-09-20T04:21:06.43
IV.MURB.HHE. ML:1.4 0.00005923539999999999 0.26 AML other m 2024-09-20T04:21:09.87
IV.MURB.HHN. ML:1.3 0.000057220300000000005 0.2 AML other m 2024-09-20T04:21:09.74
IV.SMA1.EHE. ML:1.0 0.00002386688 0.38 AML other m 2024-09-20T04:21:09.19
IV.SMA1.EHN. ML:0.8 0.000019317286 0.14 AML other m 2024-09-20T04:21:07.79
IV.SSFR.HHE. ML:1.4 0.000055450395 0.2 AML other m 2024-09-20T04:21:10.53
IV.SSFR.HHN. ML:1.2 0.00004196586 0.14 AML other m 2024-09-20T04:21:11.12
IV.SSFR.HNE. ML:1.6 0.000094191535 0.23 AML other m 2024-09-20T04:21:10.42
IV.TERO.HHE. ML:0.9 0.000016413351 0.36 AML other m 2024-09-20T04:21:12.18
IV.TERO.HHN. ML:0.9 0.0000128819525 0.08 AML other m 2024-09-20T04:21:11.62
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