Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-08-2024 and time 02:36:33 (UTC) in region 6 km W Scheggino (PG)

A magnitude ML 1.0 earthquake occured in region: 6 km W Scheggino (PG), on

  • 03-08-2024 02:36:33 (UTC)
  • 03-08-2024 04:36:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6890, 12.7710 at 9 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
Scheggino PG 6 461 461
Spoleto PG 6 38218 38679
Sant'Anatolia di Narco PG 7 564 39243
Ferentillo TR 8 1913 41156
Montefranco TR 10 1276 42432
Vallo di Nera PG 12 364 42796
Arrone TR 12 2763 45559
Polino TR 13 233 45792
Poggiodomo PG 14 117 45909
Campello sul Clitunno PG 15 2442 48351
Monteleone di Spoleto PG 15 599 48950
Castel Ritaldi PG 17 3278 52228
Terni TR 17 111501 163729
Labro RI 18 374 164103
Acquasparta TR 18 4778 168881
Morro Reatino RI 19 373 169254
Cerreto di Spoleto PG 19 1075 170329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Terni (111501 inhabitants)
30 Km S of Foligno (57155 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
62 Km E of Viterbo (67173 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
77 Km N of Guidonia Montecelio (88673 inhabitants)
81 Km N of Tivoli (56533 inhabitants)
92 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 1.0 2024-08-03
02:36:33		 42.6893 12.7708 9 2024-08-03
03:26:35		 Sala Sismica INGV-Roma 130363621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-03 02:36:33 ± 0.04
Latitude 42.6893 ± 0.0036
Longitude 12.7708 ± 0.0024
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130363621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 187
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51261
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 20
Type of magnitude ML
Reference to an origin 130363621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-03 03:26:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2024-08-03T02:36:49.89 0.6 undecidable manual S 19 49.8168 50 0.1 47
IV.FDMO.HHZ. 2024-08-03T02:36:48.97 0.6 undecidable manual S 34 46.3203 50 0.11 47
IV.CESI.HHZ. 2024-08-03T02:36:46.25 0.6 undecidable manual S 17 36.6411 50 -0.03 49
IV.CSP1.EHZ. 2024-08-03T02:36:44.13 0.6 undecidable manual P 38 56.8986 50 0.09 46
IV.LNSS.HHZ. 2024-08-03T02:36:42.45 0.6 undecidable manual S 113 23.9538 111 -0.05 50
IV.MML1.EHZ. 2024-08-03T02:36:42.80 0.6 undecidable manual P 19 49.8168 50 -0.15 47
IV.FDMO.HHZ. 2024-08-03T02:36:42.27 0.6 positive manual P 34 46.3203 50 -0.14 47
IV.MMO1.EHZ. 2024-08-03T02:36:42.94 3.0 positive manual P -0.26 0
IV.SMA1.EHZ. 2024-08-03T02:36:42.60 3.0 positive manual P 0.04 0
IV.MOMA.HHZ. 2024-08-03T02:36:41.47 0.6 undecidable manual S 308 20.7681 114 0.02 50
IV.ASSB.HHZ. 2024-08-03T02:36:41.57 1.0 undecidable manual P 347 40.2264 50 0.1 24
IV.CESX.HHZ. 2024-08-03T02:36:40.74 0.6 undecidable manual S 239 17.4714 117 0.3 48
IV.CESI.HHZ. 2024-08-03T02:36:40.85 0.1 negative manual P 17 36.6411 50 -0.07 97
IV.GAVE.EHZ. 2024-08-03T02:36:38.13 0.6 undecidable manual S 88 10.0788 132 -0.17 50
IV.MOMA.HHZ. 2024-08-03T02:36:38.13 0.6 undecidable manual P 308 20.7681 114 0 50
IV.ARRO.EHZ. 2024-08-03T02:36:38.81 0.6 undecidable manual S 182 12.2766 127 -0.08 50
IV.LNSS.HHZ. 2024-08-03T02:36:38.84 0.3 undecidable manual P 113 23.9538 111 0.1 74
IV.CESX.HHZ. 2024-08-03T02:36:37.32 0.1 undecidable manual P 239 17.4714 117 -0.23 97
IV.GAVE.EHZ. 2024-08-03T02:36:36.45 0.1 positive manual P 88 10.0788 132 0.13 100
IV.ARRO.EHZ. 2024-08-03T02:36:36.77 0.6 positive manual P 182 12.2766 127 0.12 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:0.9 0.00009185 0.78 AML other m 2024-08-03T02:36:39.39
IV.GAVE.EHE. ML:1.2 0.0002185 0.14 AML other m 2024-08-03T02:36:39.04
IV.ARRO.EHN. ML:1.0 0.0001125 1.18 AML other m 2024-08-03T02:36:39.82
IV.GAVE.EHN. ML:1.3 0.0002595 0.3 AML other m 2024-08-03T02:36:39.87
IV.CESX.HHE. ML:0.9 0.0000673 0.64 AML other m 2024-08-03T02:36:41.64
IV.CESX.HHN. ML:1.0 0.00008075 0.48 AML other m 2024-08-03T02:36:41.66
IV.MOMA.HHN. ML:0.9 0.000054550000000000005 0.24 AML other m 2024-08-03T02:36:42.50
IV.LNSS.HHE. ML:1.0 0.0000557 0.34 AML other m 2024-08-03T02:36:43.49
IV.MOMA.HHE. ML:1.0 0.0000665 0.24 AML other m 2024-08-03T02:36:43.92
IV.LNSS.HHN. ML:1.0 0.0000582 0.62 AML other m 2024-08-03T02:36:46.52
IV.CESI.HHE. ML:1.0 0.00003705 0.94 AML other m 2024-08-03T02:36:46.57
IV.CESI.HHN. ML:1.3 0.00006864999999999999 0.36 AML other m 2024-08-03T02:36:46.75
IV.ASSB.HHE. ML:0.9 0.000032500000000000004 0.3 AML other m 2024-08-03T02:36:48.26
IV.ASSB.HHN. ML:0.9 0.000023199999999999998 0.46 AML other m 2024-08-03T02:36:48.25
IV.FDMO.HHN. ML:0.8 0.00001845 0.3 AML other m 2024-08-03T02:36:49.53
IV.FDMO.HHE. ML:1.0 0.00003229999999999999 0.14 AML other m 2024-08-03T02:36:49.66
IV.SMA1.EHN. ML:0.8 0.00002145 0.26 AML other m 2024-08-03T02:36:50.13
IV.MML1.EHN. ML:1.0 0.0000266 0.56 AML other m 2024-08-03T02:36:50.11
IV.SMA1.EHE. ML:1.0 0.000029049999999999998 1.26 AML other m 2024-08-03T02:36:51.05
IV.MML1.EHE. ML:1.1 0.0000292 0.6 AML other m 2024-08-03T02:36:51.46
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