Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 08-02-2024 and time 08:00:17 (UTC) in region 4 km E Spoleto (PG)

A magnitude ML 1.9 earthquake occured in region: 4 km E Spoleto (PG), on

  • 08-02-2024 08:00:17 (UTC)
  • 08-02-2024 09:00:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7520, 12.7830 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.

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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
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
Poggiodomo PG 13 117 45444
Cerreto di Spoleto PG 13 1075 46519
Trevi PG 14 8469 54988
Ferentillo TR 15 1913 56901
Montefranco TR 17 1276 58177
Monteleone di Spoleto PG 18 599 58776
Arrone TR 19 2763 61539
Montefalco PG 19 5679 67218
Polino TR 19 233 67451
Giano dell'Umbria PG 19 3846 71297
Cascia PG 19 3217 74514
Sellano PG 19 1079 75593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 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)
67 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 1.9 2024-02-08
08:00:17		 42.7515 12.7827 8 2024-02-08
08:40:46		 Sala Sismica INGV-Roma 125120391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-08 08:00:17 ± 0.06
Latitude 42.7515 ± 0.0036
Longitude 12.7827 ± 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 125120391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 302
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
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 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.80399
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 125120391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-08 08:40:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2024-02-08T08:00:33.31 0.6 undecidable manual S 69 47.2194 50 0.01 48
IV.PIEI.HHZ. 2024-02-08T08:00:33.45 0.1 undecidable manual P 347 89.244 50 0.36 83
IV.MML1.EHZ. 2024-02-08T08:00:32.12 0.6 undecidable manual S 21 43.0236 50 -0.05 48
IV.RM33.EHZ. 2024-02-08T08:00:32.71 0.6 undecidable manual S 127 44.3223 50 0.18 47
IV.FDMO.HHZ. 2024-02-08T08:00:31.37 0.6 undecidable manual S 38 40.1265 50 -0.04 49
IV.ATVO.HHZ. 2024-02-08T08:00:31.51 0.1 undecidable manual P 337 76.2681 50 0.42 84
IV.CING.HHZ. 2024-02-08T08:00:31.18 0.1 undecidable manual P 26 76.8675 50 0 92
IV.ASSB.HHZ. 2024-02-08T08:00:29.34 0.6 undecidable manual S 343 33.8439 103 -0.17 48
IV.MF5.EHZ. 2024-02-08T08:00:28.89 1.0 undecidable manual P 64 60.9945 50 0.16 23
IV.CESI.HHZ. 2024-02-08T08:00:28.17 0.6 undecidable manual S 19 29.8479 104 0.02 50
IV.ATCC.EHZ. 2024-02-08T08:00:27.31 0.6 undecidable manual P 347 49.5171 50 0.35 45
IV.LNSS.HHZ. 2024-02-08T08:00:27.09 0.6 undecidable manual S 128 26.751 106 -0.03 50
IV.CSP1.EHZ. 2024-02-08T08:00:27.11 0.6 positive manual P 42 51.0156 50 -0.08 47
IV.NRCA.HHZ. 2024-02-08T08:00:27.80 0.6 undecidable manual S 71 28.4493 105 0.09 49
IV.SNTG.HHZ. 2024-02-08T08:00:27.86 0.6 undecidable manual P 13 57.2982 50 -0.31 45
IV.MMO1.EHZ. 2024-02-08T08:00:26.41 0.6 positive manual P 69 47.2194 50 -0.2 47
IV.SMA1.EHZ. 2024-02-08T08:00:26.56 0.1 positive manual P 106 47.0196 50 -0.02 97
IV.MML1.EHZ. 2024-02-08T08:00:25.66 0.6 undecidable manual P 21 43.0236 50 -0.3 46
IV.CESX.HHZ. 2024-02-08T08:00:25.74 0.6 undecidable manual S 225 22.5552 109 0.01 51
IV.RM33.EHZ. 2024-02-08T08:00:25.73 0.6 undecidable manual P 127 44.3223 50 -0.44 45
IV.FDMO.HHZ. 2024-02-08T08:00:25.40 0.6 negative manual P 38 40.1265 50 -0.12 48
IV.ASSB.HHZ. 2024-02-08T08:00:24.16 0.6 undecidable manual P 343 33.8439 103 -0.26 47
IV.MOMA.HHZ. 2024-02-08T08:00:24.65 0.6 undecidable manual S 289 18.2706 113 0.31 48
IV.NRCA.HHZ. 2024-02-08T08:00:23.28 0.1 negative manual P 71 28.4493 105 -0.1 98
IV.CESI.HHZ. 2024-02-08T08:00:23.53 1.0 undecidable manual P 19 29.8479 104 -0.11 25
IV.LNSS.HHZ. 2024-02-08T08:00:23.00 0.1 negative manual P 128 26.751 106 -0.04 100
IV.GAVE.EHZ. 2024-02-08T08:00:22.67 0.6 undecidable manual S 126 11.1777 124 0.48 47
IV.MOMA.HHZ. 2024-02-08T08:00:21.11 0.6 undecidable manual P 289 18.2706 113 -0.33 48
IV.CESX.HHZ. 2024-02-08T08:00:21.75 0.6 undecidable manual P 225 22.5552 109 -0.49 46
IV.GAVE.EHZ. 2024-02-08T08:00:20.41 0.6 positive manual P 126 11.1777 124 0.22 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:2.4 0.003045 1.04 AML other m 2024-02-08T08:00:24.06
IV.GAVE.EHE. ML:2.5 0.0039900000000000005 0.66 AML other m 2024-02-08T08:00:24.50
IV.GAVE.HNE. ML:2.5 0.004 0.66 AML other m 2024-02-08T08:00:24.50
IV.GAVE.HNN. ML:1.8 0.0007985 0.6 AML other m 2024-02-08T08:00:24.28
IV.MOMA.HNN. ML:1.9 0.0006705 1.6 AML other m 2024-02-08T08:00:26.99
IV.MOMA.HHN. ML:1.8 0.0006054999999999999 1.74 AML other m 2024-02-08T08:00:27.99
IV.MOMA.HNE. ML:1.9 0.0006655 0.24 AML other m 2024-02-08T08:00:27.35
IV.MOMA.HHE. ML:1.9 0.000761 0.46 AML other m 2024-02-08T08:00:27.36
IV.CESX.HHN. ML:2.0 0.000669 0.52 AML other m 2024-02-08T08:00:27.63
IV.LNSS.HHE. ML:2.2 0.000977 0.62 AML other m 2024-02-08T08:00:27.56
IV.CESX.HHE. ML:2.0 0.000722 0.5 AML other m 2024-02-08T08:00:27.88
IV.NRCA.HHE. ML:2.1 0.00062 0.16 AML other m 2024-02-08T08:00:28.17
IV.CESI.HHE. ML:1.9 0.0004235 0.24 AML other m 2024-02-08T08:00:28.54
IV.CESI.HHN. ML:2.0 0.0005734999999999999 0.24 AML other m 2024-02-08T08:00:28.31
IV.NRCA.HHN. ML:1.9 0.00038649999999999996 1.38 AML other m 2024-02-08T08:00:29.25
IV.LNSS.HHN. ML:2.2 0.0009435 0.36 AML other m 2024-02-08T08:00:29.46
IV.NRCA.HNE. ML:2.0 0.000579 0.18 AML other m 2024-02-08T08:00:29.66
IV.ASSB.HHE. ML:1.9 0.00033150000000000003 1.68 AML other m 2024-02-08T08:00:29.94
IV.ASSB.HHN. ML:1.8 0.00029749999999999997 0.2 AML other m 2024-02-08T08:00:31.37
IV.NRCA.HNN. ML:1.9 0.00039249999999999995 1.12 AML other m 2024-02-08T08:00:32.02
IV.FDMO.HHE. ML:2.0 0.000309 1.54 AML other m 2024-02-08T08:00:32.82
IV.FDMO.HHN. ML:1.8 0.000195 1.22 AML other m 2024-02-08T08:00:33.04
IV.MML1.EHE. ML:1.9 0.000277 0.24 AML other m 2024-02-08T08:00:33.35
IV.MMO1.EHE. ML:1.9 0.00020250000000000002 0.78 AML other m 2024-02-08T08:00:33.93
IV.MML1.EHN. ML:1.7 0.0001535 0.48 AML other m 2024-02-08T08:00:34.24
IV.SMA1.EHE. ML:2.1 0.0003785 1.6 AML other m 2024-02-08T08:00:34.85
IV.CSP1.EHE. ML:2.4 0.0006490000000000001 1.32 AML other m 2024-02-08T08:00:35.14
IV.RM33.EHN. ML:1.9 0.00026700000000000004 0.48 AML other m 2024-02-08T08:00:35.58
IV.CSP1.EHN. ML:2.3 0.0005825 1.6 AML other m 2024-02-08T08:00:35.92
IV.SMA1.EHN. ML:1.9 0.0002485 1.46 AML other m 2024-02-08T08:00:36.85
IV.ATCC.EHE. ML:1.9 0.000194 0.8 AML other m 2024-02-08T08:00:36.47
IV.MMO1.EHN. ML:1.8 0.0001985 0.48 AML other m 2024-02-08T08:00:36.72
IV.ATCC.EHN. ML:1.9 0.0002185 0.7 AML other m 2024-02-08T08:00:36.67
IV.SNTG.HHE. ML:1.4 0.000057 0.26 AML other m 2024-02-08T08:00:37.36
IV.RM33.EHE. ML:1.7 0.0001725 1.02 AML other m 2024-02-08T08:00:37.21
IV.SNTG.HHN. ML:1.5 0.00007209999999999999 1.26 AML other m 2024-02-08T08:00:38.88
IV.GUAR.HHE. ML:2.0 0.00007314999999999999 0.16 AML other m 2024-02-08T08:00:38.77
IV.MF5.EHN. ML:1.6 0.0000862 0.34 AML other m 2024-02-08T08:00:38.78
IV.CING.HHN. ML:1.8 0.00010135 0.18 AML other m 2024-02-08T08:00:42.34
IV.MF5.EHE. ML:1.7 0.00009685000000000001 1.58 AML other m 2024-02-08T08:00:43.85
IV.CING.HHE. ML:1.6 0.000054499999999999997 0.82 AML other m 2024-02-08T08:00:44.48
IV.ATVO.HHN. ML:1.6 0.0000633 0.84 AML other m 2024-02-08T08:00:47.61
IV.PIEI.HHN. ML:1.5 0.00003925 0.32 AML other m 2024-02-08T08:00:47.38
IV.FIAM.HHE. ML:1.7 0.00009659999999999999 1.32 AML other m 2024-02-08T08:00:48.66
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