Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 18-03-2024 and time 23:47:14 (Italy) in region 2 km NE Monteleone di Spoleto (PG)

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

  • 18-03-2024 22:47:14 (UTC)
  • 18-03-2024 23:47:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6650, 12.9620 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
Monteleone di Spoleto PG 2 599 599
Poggiodomo PG 6 117 716
Cascia PG 7 3217 3933
Leonessa RI 11 2435 6368
Scheggino PG 12 461 6829
Sant'Anatolia di Narco PG 13 564 7393
Polino TR 13 233 7626
Vallo di Nera PG 14 364 7990
Ferentillo TR 15 1913 9903
Cittareale RI 17 482 10385
Montefranco TR 18 1276 11661
Cerreto di Spoleto PG 18 1075 12736
Norcia PG 18 4957 17693
Arrone TR 18 2763 20456
Rivodutri RI 19 1253 21709
Morro Reatino RI 19 373 22082
Poggio Bustone RI 19 2055 24137
Posta RI 19 694 24831
Spoleto PG 20 38218 63049

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Terni (111501 inhabitants)
39 Km SE of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
61 Km W of Teramo (54892 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
75 Km E of Viterbo (67173 inhabitants)
76 Km N of Guidonia Montecelio (88673 inhabitants)
79 Km N of Tivoli (56533 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
99 Km W of Montesilvano (53738 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 2024-03-18
22:47:14		 42.665 12.9625 10 2024-03-18
22:53:44		 Sala Sismica INGV-Roma 125975341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-18 22:47:14 ± 0.06
Latitude 42.6650 ± 0.0045
Longitude 12.9625 ± 0.0049
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 125975341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 467
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.47304
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 125975341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-18 22:53:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2024-03-18T22:47:30.49 0.6 undecidable manual S 95 52.503 50 -0.17 45
IV.MML1.EHZ. 2024-03-18T22:47:30.22 1.0 undecidable manual S 1 49.7169 50 0.3 22
IV.ASSB.HHZ. 2024-03-18T22:47:29.96 0.6 undecidable manual S 330 48.618 50 0.34 44
IV.MOMA.HHZ. 2024-03-18T22:47:26.43 0.6 undecidable manual S 296 35.5422 50 0.32 46
IV.SMA1.EHZ. 2024-03-18T22:47:25.17 0.3 undecidable manual S 97 30.6471 50 0.35 68
IV.MML1.EHZ. 2024-03-18T22:47:23.16 0.1 undecidable manual P 1 49.7169 50 -0.04 94
IV.CSP1.EHZ. 2024-03-18T22:47:23.44 0.3 undecidable manual P 23 51.3153 50 0.01 71
IV.TERO.HHZ. 2024-03-18T22:47:23.45 0.6 undecidable manual P 95 52.503 50 -0.17 46
IV.ASSB.HHZ. 2024-03-18T22:47:23.05 0.6 undecidable manual P 330 48.618 50 0.03 47
IV.NRCA.HHZ. 2024-03-18T22:47:22.26 0.6 undecidable manual S 33 22.4553 115 -0.3 47
IV.FIAM.HHZ. 2024-03-18T22:47:22.40 0.3 undecidable manual P 164 45.8208 50 -0.19 69
IV.MMO1.EHZ. 2024-03-18T22:47:21.10 0.3 undecidable manual P 49 39.4272 50 -0.5 65
IV.CESI.HHZ. 2024-03-18T22:47:21.32 0.6 positive manual P 353 38.0286 50 -0.06 48
IV.MOMA.HHZ. 2024-03-18T22:47:20.80 0.1 undecidable manual P 296 35.5422 50 -0.2 93
IV.ARRO.EHZ. 2024-03-18T22:47:20.94 0.6 undecidable manual S 239 18.6702 119 -0.46 45
IV.SMA1.EHZ. 2024-03-18T22:47:20.45 0.3 negative manual P 97 30.6471 50 0.2 71
IV.LNSS.HHZ. 2024-03-18T22:47:19.10 0.6 undecidable manual S 137 9.3795 138 0.28 48
IV.ARRO.EHZ. 2024-03-18T22:47:18.27 0.1 positive manual P 239 18.6702 119 0 100
IV.GAVE.EHZ. 2024-03-18T22:47:18.38 0.6 undecidable manual S 298 6.2937 148 0.2 49
IV.NRCA.HHZ. 2024-03-18T22:47:18.86 0.1 positive manual P 33 22.4553 115 -0.08 98
IV.LNSS.HHZ. 2024-03-18T22:47:17.10 1.0 undecidable manual P 137 9.3795 138 0.32 24
IV.GAVE.EHZ. 2024-03-18T22:47:16.74 0.6 undecidable manual P 298 6.2937 148 0.33 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.7 0.000748 0.08 AML other m 2024-03-18T22:47:18.53
IV.GAVE.EHE. ML:1.8 0.0008805 0.2 AML other m 2024-03-18T22:47:18.43
IV.GAVE.HNE. ML:1.7 0.0007675000000000001 0.22 AML other m 2024-03-18T22:47:18.42
IV.GAVE.HNN. ML:1.4 0.00034599999999999995 0.7 AML other m 2024-03-18T22:47:18.52
IV.LNSS.HHE. ML:1.6 0.0005695 0.14 AML other m 2024-03-18T22:47:19.16
IV.LNSS.HNE. ML:1.6 0.0004925 0.12 AML other m 2024-03-18T22:47:19.23
IV.LNSS.HNN. ML:1.6 0.0004925 0.94 AML other m 2024-03-18T22:47:19.70
IV.LNSS.HHN. ML:1.6 0.0004575 0.92 AML other m 2024-03-18T22:47:19.69
IV.ARRO.EHN. ML:1.4 0.0001885 0.18 AML other m 2024-03-18T22:47:21.47
IV.ARRO.EHE. ML:1.5 0.00026000000000000003 0.18 AML other m 2024-03-18T22:47:21.44
IV.NRCA.HHE. ML:1.4 0.00016399999999999997 0.14 AML other m 2024-03-18T22:47:23.56
IV.NRCA.HHN. ML:1.1 0.00008355 0.14 AML other m 2024-03-18T22:47:24.27
IV.SMA1.EHE. ML:1.5 0.0001385 0.36 AML other m 2024-03-18T22:47:25.56
IV.SMA1.EHN. ML:1.4 0.000131 0.48 AML other m 2024-03-18T22:47:25.68
IV.CESI.HHN. ML:1.3 0.00007635 1.76 AML other m 2024-03-18T22:47:27.98
IV.MMO1.EHE. ML:1.1 0.00003945 0.44 AML other m 2024-03-18T22:47:27.86
IV.CESI.HHE. ML:1.0 0.0000401 0.88 AML other m 2024-03-18T22:47:28.11
IV.MMO1.EHN. ML:1.1 0.00003795 1.26 AML other m 2024-03-18T22:47:28.73
IV.MML1.EHE. ML:1.2 0.0000445 0.58 AML other m 2024-03-18T22:47:30.67
IV.ASSB.HHE. ML:1.1 0.0000348 0.24 AML other m 2024-03-18T22:47:30.74
IV.MML1.EHN. ML:1.2 0.00003945 0.32 AML other m 2024-03-18T22:47:30.96
IV.ASSB.HHN. ML:1.1 0.0000339 0.2 AML other m 2024-03-18T22:47:30.89
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