Earthquake with magnitude of ML 1.5 on date 21-03-2024 and time 06:35:36 (UTC) in region 3 km E Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km E Spoleto (PG), on

  • 21-03-2024 06:35:36 (UTC)
  • 21-03-2024 07:35:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7470, 12.7770 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 5 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 8 364 39607
Campello sul Clitunno PG 8 2442 42049
Castel Ritaldi PG 12 3278 45327
Poggiodomo PG 14 117 45444
Ferentillo TR 14 1913 47357
Cerreto di Spoleto PG 14 1075 48432
Trevi PG 15 8469 56901
Montefranco TR 17 1276 58177
Monteleone di Spoleto PG 18 599 58776
Arrone TR 18 2763 61539
Polino TR 19 233 61772
Giano dell'Umbria PG 19 3846 65618
Montefalco PG 19 5679 71297
Cascia PG 20 3217 74514
Acquasparta TR 20 4778 79292

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)
67 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 1.5 2024-03-21
06:35:36
42.7467 12.7768 8 2024-03-21
06:45:08
Sala Sismica INGV-Roma 126024041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-21 06:35:36 ± 0.08
Latitude 42.7467 ± 0.0045
Longitude 12.7768 ± 0.0073
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126024041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 599
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74734
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 126024041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-21 06:45:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2024-03-21T06:36:15.36 3.0 positive manual Pg 6.57 0
IV.LPEL.HHZ. 2024-03-21T06:36:03.05 3.0 undecidable manual P 2.98 0
IV.SFI.HNZ. 2024-03-21T06:36:00.85 3.0 undecidable manual P 0.62 0
IV.CSP1.EHZ. 2024-03-21T06:35:53.77 0.6 undecidable manual S 42 51.7038 50 0.13 47
IV.SMA1.EHZ. 2024-03-21T06:35:52.93 0.6 undecidable manual S 106 47.3193 50 0.47 44
IV.MMO1.EHZ. 2024-03-21T06:35:52.67 0.6 undecidable manual S 69 47.8188 50 0.07 48
IV.MML1.EHZ. 2024-03-21T06:35:51.40 0.6 undecidable manual S 21 43.623 50 -0.09 48
IV.ATBU.EHN. 2024-03-21T06:35:51.49 1.0 undecidable manual P 347 82.9503 50 0.19 22
IV.RM33.EHZ. 2024-03-21T06:35:51.53 0.6 undecidable manual S 126 44.4222 50 -0.16 47
IV.FDMO.HHZ. 2024-03-21T06:35:50.66 0.6 undecidable manual S 38 40.8258 50 -0.08 48
IV.ATVA.EHE. 2024-03-21T06:35:50.29 0.1 undecidable manual P 326 71.1732 50 0.8 74
IV.SACS.HHN. 2024-03-21T06:35:49.83 0.1 undecidable manual P 279 71.4729 50 0.3 87
IV.MF5.EHZ. 2024-03-21T06:35:48.43 0.6 undecidable manual P 64 61.5939 50 0.42 43
IV.MGAB.HHZ. 2024-03-21T06:35:47.09 3.0 undecidable manual S -5.64 0
IV.CESI.HHZ. 2024-03-21T06:35:47.58 0.6 undecidable manual S 20 30.4473 105 -0.07 49
IV.LNSS.HHZ. 2024-03-21T06:35:46.30 0.6 undecidable manual S 127 26.751 107 -0.11 49
IV.CSP1.EHZ. 2024-03-21T06:35:46.34 0.6 positive manual P 42 51.7038 50 -0.14 47
IV.RM33.EHZ. 2024-03-21T06:35:45.03 0.6 undecidable manual P 126 44.4222 50 -0.33 45
IV.MMO1.EHZ. 2024-03-21T06:35:45.59 0.1 undecidable manual P 69 47.8188 50 -0.3 91
IV.SMA1.EHZ. 2024-03-21T06:35:45.79 0.6 positive manual P 106 47.3193 50 -0.02 48
IV.CESX.HHZ. 2024-03-21T06:35:44.22 0.6 undecidable manual S 225 21.7671 110 -0.56 44
IV.FDMO.HHZ. 2024-03-21T06:35:44.29 0.6 undecidable manual P 38 40.8258 50 -0.52 44
IV.MML1.EHZ. 2024-03-21T06:35:44.78 0.1 undecidable manual P 21 43.623 50 -0.46 88
IV.ARRO.EHZ. 2024-03-21T06:35:44.32 0.6 undecidable manual S 183 18.5703 113 0.57 45
IV.LNSS.HHZ. 2024-03-21T06:35:42.32 0.1 undecidable manual P 127 26.751 107 0.01 100
ZO.PDN12.EHZ. 2024-03-21T06:35:42.58 0.6 undecidable manual S 54 14.0748 120 0.24 49
IV.CESI.HHZ. 2024-03-21T06:35:42.77 0.1 undecidable manual P 20 30.4473 105 -0.26 94
IV.CESX.HHZ. 2024-03-21T06:35:41.06 0.1 undecidable manual P 225 21.7671 110 -0.31 95
IV.ARRO.EHZ. 2024-03-21T06:35:40.89 0.1 undecidable manual P 183 18.5703 113 0.11 99
ZO.PDN12.EHZ. 2024-03-21T06:35:40.28 0.1 undecidable manual P 54 14.0748 120 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.9 0.000417 1.34 AML other m 2024-03-21T06:35:47.79
IV.LNSS.HHN. ML:1.8 0.000354 0.26 AML other m 2024-03-21T06:35:47.38
IV.CESI.HHN. ML:1.6 0.000183 0.94 AML other m 2024-03-21T06:35:48.08
IV.CESI.HHE. ML:1.4 0.00013350000000000002 1.26 AML other m 2024-03-21T06:35:48.83
IV.ASSB.HHN. ML:1.4 0.00011499999999999999 0.34 AML other m 2024-03-21T06:35:49.22
IV.ASSB.HHE. ML:1.5 0.0001271 1.44 AML other m 2024-03-21T06:35:49.21
IV.FDMO.HHE. ML:1.4 0.00007885 0.24 AML other m 2024-03-21T06:35:51.10
IV.FDMO.HHN. ML:1.3 0.0000703 0.16 AML other m 2024-03-21T06:35:51.26
IV.MML1.EHN. ML:1.4 0.00007045 1.38 AML other m 2024-03-21T06:35:52.76
IV.MML1.EHE. ML:1.4 0.00008319999999999999 0.7 AML other m 2024-03-21T06:35:52.57
IV.RM33.EHE. ML:1.4 0.00008010000000000001 1.04 AML other m 2024-03-21T06:35:53.78
IV.MMO1.EHN. ML:1.5 0.0000835 0.46 AML other m 2024-03-21T06:35:53.27
IV.MMO1.EHE. ML:1.5 0.00007939999999999999 1.2 AML other m 2024-03-21T06:35:53.29
IV.SMA1.EHE. ML:1.6 0.0001097 0.74 AML other m 2024-03-21T06:35:54.12
IV.SMA1.EHN. ML:1.4 0.00007230000000000001 0.52 AML other m 2024-03-21T06:35:54.52
IV.CSP1.EHN. ML:1.8 0.0001785 0.34 AML other m 2024-03-21T06:35:54.53
IV.RM33.EHN. ML:1.4 0.00007115 1.52 AML other m 2024-03-21T06:35:54.14
IV.CSP1.EHE. ML:1.8 0.00017250000000000002 0.54 AML other m 2024-03-21T06:35:55.94
IV.LPEL.HHN. ML:1.7 0.000032 0.4 AML other m 2024-03-21T06:36:12.05
IV.LPEL.HHE. ML:1.7 0.00003229999999999999 0.52 AML other m 2024-03-21T06:36:13.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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