Earthquake with magnitude of ML 1.2 on date 04-03-2024 and time 14:47:08 (UTC) in region 4 km NE Spoleto (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Spoleto (PG), on

  • 04-03-2024 14:47:08 (UTC)
  • 04-03-2024 15:47:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7540, 12.7800 at 7 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 4 38218 38218
Sant'Anatolia di Narco PG 5 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 7 364 39607
Campello sul Clitunno PG 8 2442 42049
Castel Ritaldi PG 12 3278 45327
Cerreto di Spoleto PG 13 1075 46402
Poggiodomo PG 14 117 46519
Trevi PG 14 8469 54988
Ferentillo TR 15 1913 56901
Montefranco TR 17 1276 58177
Monteleone di Spoleto PG 18 599 58776
Montefalco PG 19 5679 64455
Giano dell'Umbria PG 19 3846 68301
Arrone TR 19 2763 71064
Sellano PG 19 1079 72143
Polino TR 19 233 72376
Cascia PG 20 3217 75593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km S of Foligno (57155 inhabitants)
24 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
76 Km W of Teramo (54892 inhabitants)
84 Km N of Guidonia Montecelio (88673 inhabitants)
88 Km N of Tivoli (56533 inhabitants)
99 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 2024-03-04
14:47:08
42.7535 12.7805 7 2024-03-04
15:04:12
Sala Sismica INGV-Roma 125694131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-04 14:47:08 ± 0.08
Latitude 42.7535 ± 0.0036
Longitude 12.7805 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125694131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 47
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
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) 97
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.10342
Epicentral distance of station farthest from the epicenter (degree) 0.42538
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 125694131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-04 15:04:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2024-03-04T14:47:24.21 0.3 undecidable manual S 107 47.2194 50 0.18 71
IV.ASSB.HHZ. 2024-03-04T14:47:19.89 0.3 undecidable manual S 343 33.5442 102 -0.08 75
IV.NRCA.HHZ. 2024-03-04T14:47:18.29 0.3 undecidable manual S 72 28.5492 104 0.01 76
IV.CESI.HHZ. 2024-03-04T14:47:18.73 0.3 undecidable manual S 20 29.6481 103 0.09 75
IV.LNSS.HHZ. 2024-03-04T14:47:17.38 0.3 undecidable manual S 128 26.9508 105 -0.37 71
IV.SMA1.EHZ. 2024-03-04T14:47:16.95 1.0 negative manual P 107 47.2194 50 -0.33 23
IV.CESI.HHZ. 2024-03-04T14:47:14.09 0.6 positive manual P 20 29.6481 103 -0.08 50
IV.MOMA.HHZ. 2024-03-04T14:47:14.48 0.3 undecidable manual S 288 18.0708 111 -0.3 73
IV.ASSB.HHZ. 2024-03-04T14:47:14.86 0.1 undecidable manual P 343 33.5442 102 -0.08 100
IV.LNSS.HHZ. 2024-03-04T14:47:13.69 0.6 negative manual P 128 26.9508 105 0.04 51
ZO.PDN12.EHZ. 2024-03-04T14:47:13.63 0.3 undecidable manual S 56 13.3755 118 0.31 74
IV.NRCA.HHZ. 2024-03-04T14:47:13.78 0.3 positive manual P 72 28.5492 104 -0.18 74
IV.MOMA.HHZ. 2024-03-04T14:47:12.08 0.3 undecidable manual P 288 18.0708 111 0.13 76
IT.GNU.HGZ. 2024-03-04T14:47:12.35 0.3 undecidable manual P 288 17.9709 111 0.41 72
IV.CESX.HHZ. 2024-03-04T14:47:12.94 0.6 undecidable manual P 225 22.5552 107 0.14 50
IV.GAVE.EHZ. 2024-03-04T14:47:12.95 0.3 undecidable manual S 126 11.4774 122 0.2 76
IV.GAVE.EHZ. 2024-03-04T14:47:10.78 0.6 positive manual P 126 11.4774 122 0.01 52
ZO.PDN12.EHZ. 2024-03-04T14:47:10.87 0.1 undecidable manual P 56 13.3755 118 -0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.0003215 0.12 AML other m 2024-03-04T14:47:13.27
IV.GAVE.EHN. ML:1.4 0.000329851 0.1408 AML other m 2024-03-04T14:47:13.74
IV.LNSS.HHE. ML:1.6 0.00020649999999999998 0.16 AML other m 2024-03-04T14:47:17.67
IV.LNSS.HHN. ML:1.6 0.000216 0.88 AML other m 2024-03-04T14:47:18.60
IV.NRCA.HHE. ML:1.2 0.00007834132000000001 0.096 AML other m 2024-03-04T14:47:19.14
IV.NRCA.HHN. ML:0.9 0.000047145625 0.1408 AML other m 2024-03-04T14:47:19.50
IV.GAVE.HNE. ML:1.4 0.00032070785 0.1344 AML other m 2024-03-04T14:47:13.26
IV.CESI.HHE. ML:0.8 0.000031671095 0.096 AML other m 2024-03-04T14:47:19.76
IV.CESI.HHN. ML:1.0 0.000057396155 0.2176 AML other m 2024-03-04T14:47:21.00
IV.ASSB.HHE. ML:1.0 0.000042101810000000005 0.224 AML other m 2024-03-04T14:47:22.39
IV.ASSB.HHN. ML:1.1 0.000053205790000000004 0.2752 AML other m 2024-03-04T14:47:20.24
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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