Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 01-03-2024 and time 02:41:23 (Italy) in region 2 km E Spoleto (PG)

A magnitude ML 1.4 earthquake occured in region: 2 km E Spoleto (PG), on

  • 01-03-2024 01:41:23 (UTC)
  • 01-03-2024 02:41:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7380, 12.7620 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.

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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
Spoleto PG 2 38218 38218
Sant'Anatolia di Narco PG 6 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 9 364 39607
Campello sul Clitunno PG 9 2442 42049
Castel Ritaldi PG 12 3278 45327
Ferentillo TR 13 1913 47240
Poggiodomo PG 15 117 47357
Montefranco TR 16 1276 48633
Trevi PG 16 8469 57102
Cerreto di Spoleto PG 16 1075 58177
Arrone TR 17 2763 60940
Polino TR 18 233 61173
Acquasparta TR 18 4778 65951
Monteleone di Spoleto PG 18 599 66550
Giano dell'Umbria PG 18 3846 70396
Montefalco PG 20 5679 76075
Massa Martana PG 20 3770 79845

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Terni (111501 inhabitants)
25 Km S of Foligno (57155 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
64 Km NE of Viterbo (67173 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
78 Km W of Teramo (54892 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
97 Km N of Roma (2864731 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 2024-03-01
01:41:23		 42.738 12.7617 10 2024-03-01
01:46:35		 Sala Sismica INGV-Roma 125630591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-01 01:41:23 ± 0.05
Latitude 42.7380 ± 0.0036
Longitude 12.7617 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125630591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 345
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 125630591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-01 01:46:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2024-03-01T01:41:42.81 3.0 undecidable manual S -0.44 0
IV.MML1.EHZ. 2024-03-01T01:41:38.28 0.6 undecidable manual S 22 45.0216 50 0.28 60
IV.FDMO.HHZ. 2024-03-01T01:41:37.45 0.6 undecidable manual S 39 42.4242 50 0.15 62
IV.ASSB.HHZ. 2024-03-01T01:41:35.40 0.6 undecidable manual S 346 34.8429 50 0.12 63
IV.CESI.HHZ. 2024-03-01T01:41:34.46 0.6 undecidable manual S 21 31.8459 50 -0.02 65
IV.NRCA.HHZ. 2024-03-01T01:41:34.18 0.6 undecidable manual S 70 30.6471 50 0.03 65
IV.LNSS.HHZ. 2024-03-01T01:41:33.18 0.6 undecidable manual S 123 27.2505 50 -0.07 65
IV.CSP1.EHZ. 2024-03-01T01:41:33.28 3.0 positive manual P 0.23 0
IV.RM33.EHZ. 2024-03-01T01:41:32.15 3.0 undecidable manual P 0.22 0
IV.SMA1.EHZ. 2024-03-01T01:41:32.83 3.0 negative manual P 0.4 0
IV.MMO1.EHZ. 2024-03-01T01:41:32.52 3.0 negative manual P 0.04 0
IV.FDMO.HHZ. 2024-03-01T01:41:31.42 0.6 undecidable manual P 39 42.4242 50 0 64
IV.MML1.EHZ. 2024-03-01T01:41:31.75 1.0 undecidable manual P 22 45.0216 50 -0.07 31
IV.CESX.HHZ. 2024-03-01T01:41:31.40 0.6 undecidable manual S 225 20.2686 117 0.12 65
IV.ASSB.HHZ. 2024-03-01T01:41:30.10 0.3 undecidable manual P 346 34.8429 50 -0.15 94
IV.NRCA.HHZ. 2024-03-01T01:41:29.26 0.6 undecidable manual P 70 30.6471 50 -0.34 61
IV.CESI.HHZ. 2024-03-01T01:41:29.66 0.6 undecidable manual P 21 31.8459 50 -0.13 63
IV.LNSS.HHZ. 2024-03-01T01:41:29.16 1.0 negative manual P 123 27.2505 50 0.08 32
IV.GAVE.EHZ. 2024-03-01T01:41:28.72 0.6 undecidable manual S 115 11.9769 131 -0.16 65
ZO.PDN12.EHE. 2024-03-01T01:41:27.15 0.3 undecidable manual P 54 15.5733 124 0.01 100
IV.CESX.HHZ. 2024-03-01T01:41:27.79 0.6 undecidable manual P 225 20.2686 117 -0.15 64
IV.MOMA.HHZ. 2024-03-01T01:41:27.17 1.0 undecidable manual P 295 17.2716 121 -0.25 32
IV.ARRO.EHN. 2024-03-01T01:41:27.74 0.6 undecidable manual P 179 17.5713 121 0.26 63
IV.GAVE.EHZ. 2024-03-01T01:41:26.80 0.6 undecidable manual P 115 11.9769 131 0.25 64
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.6 0.000535 0.2 AML other m 2024-03-01T01:41:29.61
IV.GAVE.EHN. ML:1.6 0.00039624340000000004 0.1 AML other m 2024-03-01T01:41:29.27
IV.MOMA.HHE. ML:1.0 0.00008916117 0.18 AML other m 2024-03-01T01:41:31.42
IV.CESX.HHE. ML:1.1 0.00009149207500000001 0.3 AML other m 2024-03-01T01:41:32.72
IV.MOMA.HHN. ML:1.2 0.000126679485 0.2 AML other m 2024-03-01T01:41:31.68
IV.LNSS.HHN. ML:1.4 0.00013846355 0.26 AML other m 2024-03-01T01:41:34.00
IV.LNSS.HHE. ML:1.5 0.0001780898 0.16 AML other m 2024-03-01T01:41:33.55
IV.NRCA.HHN. ML:1.2 0.00008004805000000001 0.12 AML other m 2024-03-01T01:41:35.25
IV.NRCA.HHE. ML:1.4 0.00011549999999999999 0.18 AML other m 2024-03-01T01:41:34.47
IV.CESX.HHN. ML:1.2 0.00011382674999999999 0.32 AML other m 2024-03-01T01:41:33.87
IV.CESI.HHE. ML:1.0 0.000048772209999999994 0.14 AML other m 2024-03-01T01:41:34.68
IV.CESI.HHN. ML:1.4 0.0001032 0.16 AML other m 2024-03-01T01:41:35.69
IV.ASSB.HHE. ML:1.2 0.00006465 0.2 AML other m 2024-03-01T01:41:36.03
IV.ASSB.HHN. ML:1.3 0.0000746 0.2 AML other m 2024-03-01T01:41:36.03
IV.SMA1.EHE. ML:1.3 0.000061332055 0.32 AML other m 2024-03-01T01:41:41.11
IV.SMA1.EHN. ML:1.2 0.000047449149999999996 0.88 AML other m 2024-03-01T01:41:48.09
IV.GAVE.HNE. ML:1.6 0.0004965899500000001 0.2008 AML other m 2024-03-01T01:41:29.60
IV.GAVE.HNN. ML:1.1 0.00015614400000000001 1.4608 AML other m 2024-03-01T01:41:27.18
IV.MOMA.HNE. ML:1.2 0.0001271038 0.18 AML other m 2024-03-01T01:41:31.69
IV.MOMA.HNN. ML:1.1 0.00011329665499999999 0.18 AML other m 2024-03-01T01:41:31.50
IV.LNSS.HNE. ML:1.5 0.00016628095500000002 0.16 AML other m 2024-03-01T01:41:33.47
IV.LNSS.HNN. ML:1.5 0.000184863 0.82 AML other m 2024-03-01T01:41:43.17
IV.NRCA.HNE. ML:1.4 0.000108286995 0.5104 AML other m 2024-03-01T01:41:43.21
IV.NRCA.HNN. ML:1.5 0.00016231699999999998 0.7304 AML other m 2024-03-01T01:41:41.48
IV.CESI.HNE. ML:1.4 0.00012376574 0.9104 AML other m 2024-03-01T01:41:43.38
IV.CESI.HNN. ML:1.4 0.00012540635 0.6096 AML other m 2024-03-01T01:41:40.21
IV.FDMO.HHE. ML:1.1 0.00004201427 0.28 AML other m 2024-03-01T01:41:39.17
IV.FDMO.HHN. ML:0.9 0.000027326575 0.2 AML other m 2024-03-01T01:41:38.51
IV.MML1.EHE. ML:1.1 0.000038062664999999995 0.2 AML other m 2024-03-01T01:41:39.52
IV.MML1.EHN. ML:0.9 0.00002730429 0.22 AML other m 2024-03-01T01:41:41.09
IV.MML1.HNE. ML:1.6 0.00011996574999999999 0.8504 AML other m 2024-03-01T01:41:31.79
IV.MML1.HNN. ML:1.4 0.000081972605 0.5896 AML other m 2024-03-01T01:41:34.73
IV.RM33.EHE. ML:1.1 0.0000423373805 0.18 AML other m 2024-03-01T01:41:40.77
IV.RM33.EHN. ML:1.1 0.00003967877 1.68 AML other m 2024-03-01T01:41:52.67
IV.RM33.HNE. ML:1.7 0.000155792601 0.8 AML other m 2024-03-01T01:41:48.57
IV.RM33.HNN. ML:1.6 0.00011791099999999999 0.8592 AML other m 2024-03-01T01:41:46.61
IV.MMO1.EHE. ML:1.3 0.000048038145000000007 0.22 AML other m 2024-03-01T01:41:40.23
IV.MMO1.EHN. ML:1.5 0.00007832081499999999 2.16 AML other m 2024-03-01T01:41:53.29
IV.MMO1.HNE. ML:3.3 0.005506602 0.78 AML other m 2024-03-01T01:41:47.89
IV.MMO1.HNN. ML:3.3 0.0056499655000000005 0.8096 AML other m 2024-03-01T01:41:46.48
IV.CSP1.EHE. ML:1.6 0.00008526838000000001 0.92 AML other m 2024-03-01T01:41:50.28
IV.CSP1.EHN. ML:1.7 0.0001132251 1.8 AML other m 2024-03-01T01:41:54.62
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