Earthquake with magnitude of ML 1.1 on date 17-03-2024 and time 14:31:20 (Italy) in region 3 km NE Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km NE Spoleto (PG), on

  • 17-03-2024 13:31:20 (UTC)
  • 17-03-2024 14:31:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 12.7710 at 8 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 6 564 38782
Scheggino PG 7 461 39243
Vallo di Nera PG 8 364 39607
Campello sul Clitunno PG 8 2442 42049
Castel Ritaldi PG 11 3278 45327
Poggiodomo PG 14 117 45444
Trevi PG 14 8469 53913
Cerreto di Spoleto PG 14 1075 54988
Ferentillo TR 14 1913 56901
Montefranco TR 17 1276 58177
Giano dell'Umbria PG 18 3846 62023
Monteleone di Spoleto PG 18 599 62622
Arrone TR 19 2763 65385
Montefalco PG 19 5679 71064
Polino TR 19 233 71297
Acquasparta TR 19 4778 76075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Terni (111501 inhabitants)
24 Km S of Foligno (57155 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
83 Km N of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
98 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 1.1 2024-03-17
13:31:20
42.7503 12.771 8 2024-03-17
13:38:38
Sala Sismica INGV-Roma 125940421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-17 13:31:20 ± 0.06
Latitude 42.7503 ± 0.0036
Longitude 12.7710 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125940421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 261
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.10792
Epicentral distance of station farthest from the epicenter (degree) 0.75723
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 125940421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-17 13:38:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2024-03-17T13:31:47.65 0.1 undecidable manual P 84.0492 1.233 0
IV.CSP1.EHZ. 2024-03-17T13:31:37.68 0.3 undecidable manual S 43 51.7038 50 0.15 70
IV.MML1.HNE. 2024-03-17T13:31:35.16 0.6 undecidable manual S 22 43.4232 50 -0.16 48
IV.FDMO.HHZ. 2024-03-17T13:31:34.50 0.3 undecidable manual S 39 40.8258 50 -0.12 72
IV.ASSB.HHN. 2024-03-17T13:31:32.33 0.6 undecidable manual S 344 33.6441 103 -0.17 48
IV.CESI.HHZ. 2024-03-17T13:31:31.43 0.6 undecidable manual S 21 30.2475 104 0.09 49
IV.NRCA.HHZ. 2024-03-17T13:31:30.90 0.3 undecidable manual S 72 29.4483 105 -0.16 73
IV.LNSS.HHZ. 2024-03-17T13:31:30.16 0.3 undecidable manual S 127 27.3504 106 -0.22 72
IV.CSP1.EHZ. 2024-03-17T13:31:30.25 0.1 undecidable manual P 43 51.7038 50 -0.09 95
IV.RM33.EHZ. 2024-03-17T13:31:29.19 0.1 undecidable manual P 126 45.0216 50 -0.11 96
IV.MML1.HNE. 2024-03-17T13:31:29.25 0.1 undecidable manual P 22 43.4232 50 0.19 94
IV.FDMO.HHZ. 2024-03-17T13:31:28.68 0.1 undecidable manual P 39 40.8258 50 0.02 98
IV.ASSB.HHN. 2024-03-17T13:31:27.50 0.1 undecidable manual P 344 33.6441 103 0.07 98
IV.LNSS.HHZ. 2024-03-17T13:31:26.16 0.1 undecidable manual P 127 27.3504 106 -0.05 100
ZO.PDN12.EHE. 2024-03-17T13:31:26.36 0.3 undecidable manual S 57 14.1747 118 0.25 74
IV.NRCA.HHZ. 2024-03-17T13:31:26.27 0.1 undecidable manual P 72 29.4483 105 -0.33 94
IV.MOMA.HHZ. 2024-03-17T13:31:26.84 0.3 undecidable manual S 290 17.3715 114 -0.27 73
IV.CESI.HHZ. 2024-03-17T13:31:26.88 0.6 undecidable manual P 21 30.2475 104 0.12 49
IV.CESX.HHZ. 2024-03-17T13:31:25.26 0.1 undecidable manual P 224 21.7671 109 0.13 99
IV.GAVE.EHZ. 2024-03-17T13:31:25.05 0.3 undecidable manual S 123 11.9769 123 -0.38 72
IV.MOMA.HHZ. 2024-03-17T13:31:24.10 0.1 undecidable manual P 290 17.3715 114 -0.22 98
IV.ARRO.EHZ. 2024-03-17T13:31:24.98 0.1 undecidable manual P 181 18.9699 112 0.37 95
ZO.PDN12.EHE. 2024-03-17T13:31:24.12 0.1 undecidable manual P 57 14.1747 118 0.38 95
IV.GAVE.EHZ. 2024-03-17T13:31:23.60 0.1 undecidable manual P 123 11.9769 123 0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.3 0.00028100000000000005 0.46 AML other m 2024-03-17T13:31:26.36
IV.GAVE.EHE. ML:1.3 0.000243 0.24 AML other m 2024-03-17T13:31:26.71
IV.MOMA.HHE. ML:1.0 0.0000908 0.44 AML other m 2024-03-17T13:31:28.30
IV.MOMA.HHN. ML:1.1 0.00010489999999999999 0.68 AML other m 2024-03-17T13:31:28.52
IV.LNSS.HHE. ML:1.4 0.0001225 0.18 AML other m 2024-03-17T13:31:30.65
IV.LNSS.HHN. ML:1.3 0.00010145 1.66 AML other m 2024-03-17T13:31:31.14
IV.NRCA.HHE. ML:1.1 0.00005855000000000001 0.12 AML other m 2024-03-17T13:31:31.49
IV.CESI.HHE. ML:0.8 0.00003455 1.18 AML other m 2024-03-17T13:31:32.79
IV.CESI.HHN. ML:1.1 0.000063 0.18 AML other m 2024-03-17T13:31:32.73
IV.NRCA.HHN. ML:1.0 0.0000433 0.6 AML other m 2024-03-17T13:31:34.64
IV.FDMO.HHN. ML:0.6 0.00001715 0.22 AML other m 2024-03-17T13:31:35.36
IV.FDMO.HHE. ML:0.9 0.000027749999999999997 0.24 AML other m 2024-03-17T13:31:36.30
IV.RM33.EHE. ML:1.1 0.000032850000000000006 1.12 AML other m 2024-03-17T13:31:37.87
IV.RM33.EHN. ML:1.0 0.000029350000000000002 0.26 AML other m 2024-03-17T13:31:37.67
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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