Earthquake with magnitude of ML 1.2 on date 12-03-2024 and time 00:59:03 (Italy) in region 3 km E Spoleto (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km E Spoleto (PG), on

  • 11-03-2024 23:59:03 (UTC)
  • 12-03-2024 00:59:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7380, 12.7740 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.

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 3 38218 38218
Sant'Anatolia di Narco PG 5 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 8 364 39607
Campello sul Clitunno PG 9 2442 42049
Castel Ritaldi PG 13 3278 45327
Ferentillo TR 13 1913 47240
Poggiodomo PG 14 117 47357
Cerreto di Spoleto PG 15 1075 48432
Montefranco TR 16 1276 49708
Trevi PG 16 8469 58177
Arrone TR 17 2763 60940
Monteleone di Spoleto PG 17 599 61539
Polino TR 18 233 61772
Giano dell'Umbria PG 19 3846 65618
Acquasparta TR 19 4778 70396
Cascia PG 20 3217 73613
Montefalco PG 20 5679 79292

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Terni (111501 inhabitants)
25 Km S of Foligno (57155 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
77 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 1.2 2024-03-11
23:59:03
42.7385 12.7743 10 2024-03-12
00:07:12
Sala Sismica INGV-Roma 125835331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-11 23:59:03 ± 0.04
Latitude 42.7385 ± 0.0045
Longitude 12.7743 ± 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 125835331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 461
Semi-minor axis of confidence ellipse (meter) 204
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
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) 102
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
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) 0.31566
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 125835331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-12 00:07:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2024-03-11T23:59:15.33 0.6 undecidable manual S 344 35.0427 50 0.16 48
IV.NRCA.HHZ. 2024-03-11T23:59:13.85 0.6 undecidable manual S 69 29.6481 50 0.12 49
IV.CESI.HHZ. 2024-03-11T23:59:13.97 0.6 undecidable manual S 20 31.3464 50 -0.23 47
IV.LNSS.HHZ. 2024-03-11T23:59:12.83 0.1 undecidable manual S 125 26.3514 110 -0.01 100
IV.SMA1.EHZ. 2024-03-11T23:59:12.20 3.0 positive manual P 0.04 0
IV.RM33.EHZ. 2024-03-11T23:59:11.60 3.0 positive manual P -0.07 0
IV.MOMA.HHZ. 2024-03-11T23:59:10.10 0.3 undecidable manual S 294 18.1707 118 -0.12 74
IV.CESX.HHZ. 2024-03-11T23:59:10.96 0.3 undecidable manual S 227 21.0678 115 -0.15 74
IV.ASSB.HHZ. 2024-03-11T23:59:10.15 0.3 undecidable manual P 344 35.0427 50 0.09 73
IV.NRCA.HHZ. 2024-03-11T23:59:09.10 0.3 positive manual P 69 29.6481 50 -0.12 73
IV.CESI.HHZ. 2024-03-11T23:59:09.36 0.6 negative manual P 20 31.3464 50 -0.14 48
IV.GAVE.EHZ. 2024-03-11T23:59:08.19 0.3 undecidable manual S 118 11.0778 131 0.01 77
IV.LNSS.HHZ. 2024-03-11T23:59:08.68 0.6 undecidable manual P 125 26.3514 110 -0.03 50
IV.MOMA.HHZ. 2024-03-11T23:59:07.35 0.3 undecidable manual P 294 18.1707 118 0.15 74
IV.CESX.HHZ. 2024-03-11T23:59:07.95 0.6 negative manual P 227 21.0678 115 0.24 48
IV.GAVE.EHZ. 2024-03-11T23:59:06.10 0.6 positive manual P 118 11.0778 131 0.08 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.3 0.00026649999999999997 0.76 AML other m 2024-03-11T23:59:09.69
IV.GAVE.EHE. ML:1.3 0.000264 0.94 AML other m 2024-03-11T23:59:09.73
IV.MOMA.HHN. ML:1.0 0.0000804 1.02 AML other m 2024-03-11T23:59:11.47
IV.MOMA.HHE. ML:1.0 0.00008505000000000001 1.08 AML other m 2024-03-11T23:59:11.14
IV.CESX.HHN. ML:1.2 0.0001105 0.52 AML other m 2024-03-11T23:59:11.49
IV.CESX.HHE. ML:1.1 0.0000937 0.94 AML other m 2024-03-11T23:59:12.48
IV.LNSS.HHE. ML:1.4 0.00013900000000000002 0.18 AML other m 2024-03-11T23:59:12.96
IV.LNSS.HHN. ML:1.3 0.00011549999999999999 0.72 AML other m 2024-03-11T23:59:12.61
IV.CESI.HHE. ML:1.0 0.0000468 1.5 AML other m 2024-03-11T23:59:14.94
IV.CESI.HHN. ML:1.1 0.00005985 1.16 AML other m 2024-03-11T23:59:14.84
IV.NRCA.HHE. ML:1.3 0.00009104999999999999 0.16 AML other m 2024-03-11T23:59:15.38
IV.NRCA.HHN. ML:1.2 0.00007049999999999999 0.1 AML other m 2024-03-11T23:59:16.09
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