Earthquake with magnitude of ML 1.0 on date 16-07-2024 and time 17:51:26 (UTC) in region 4 km NE Spoleto (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km NE Spoleto (PG), on

  • 16-07-2024 17:51:26 (UTC)
  • 16-07-2024 19:51:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7560, 12.7740 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.

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 6 564 38782
Scheggino PG 7 461 39243
Campello sul Clitunno PG 7 2442 41685
Vallo di Nera PG 7 364 42049
Castel Ritaldi PG 11 3278 45327
Cerreto di Spoleto PG 14 1075 46402
Trevi PG 14 8469 54871
Poggiodomo PG 14 117 54988
Ferentillo TR 15 1913 56901
Montefranco TR 18 1276 58177
Giano dell'Umbria PG 18 3846 62023
Montefalco PG 18 5679 67702
Monteleone di Spoleto PG 19 599 68301
Arrone TR 19 2763 71064
Sellano PG 20 1079 72143
Polino TR 20 233 72376
Acquasparta TR 20 4778 77154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km S of Foligno (57155 inhabitants)
24 Km NE of Terni (111501 inhabitants)
50 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)
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 1.0 2024-07-16
17:51:26
42.756 12.7742 9 2024-07-16
17:55:05
Sala Sismica INGV-Roma 129933121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-16 17:51:26 ± 0.07
Latitude 42.7560 ± 0.0045
Longitude 12.7742 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 129933121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 446
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 129933121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-16 17:55:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2024-07-16T17:51:54.30 3.0 undecidable manual P 3.65 0
IV.CSP1.EHZ. 2024-07-16T17:51:43.91 0.6 undecidable manual S 43 51.1155 50 0.44 46
IV.RM33.EHZ. 2024-07-16T17:51:41.64 0.6 undecidable manual S 127 45.2214 50 -0.25 48
IV.ARVD.HHZ. 2024-07-16T17:51:39.37 3.0 undecidable manual P -2.37 0
IV.ASSB.HHZ. 2024-07-16T17:51:38.57 0.6 undecidable manual S 344 33.1446 50 -0.11 51
IV.NRCA.HHZ. 2024-07-16T17:51:37.36 1.0 undecidable manual S 73 28.9488 107 0.04 26
IV.CSP1.EHZ. 2024-07-16T17:51:36.36 0.1 undecidable manual P 43 51.1155 50 -0.08 99
IV.RM33.EHZ. 2024-07-16T17:51:35.80 0.6 undecidable manual P 127 45.2214 50 0.28 48
IV.ARRO.EHZ. 2024-07-16T17:51:34.25 0.6 undecidable manual S 182 19.6692 114 -0.01 53
IV.ASSB.HHZ. 2024-07-16T17:51:33.71 1.0 positive manual P 344 33.1446 50 0.04 26
IV.MOMA.HHZ. 2024-07-16T17:51:33.74 0.6 undecidable manual S 288 17.4714 116 0.17 52
IV.NRCA.HHZ. 2024-07-16T17:51:32.66 0.1 undecidable manual P 73 28.9488 107 -0.22 100
IV.GAVE.EHZ. 2024-07-16T17:51:32.07 0.6 undecidable manual S 126 12.0768 125 0.1 53
IV.ARRO.EHZ. 2024-07-16T17:51:31.12 1.0 negative manual P 182 19.6692 114 0 27
IV.MOMA.HHZ. 2024-07-16T17:51:30.53 0.6 undecidable manual P 288 17.4714 116 -0.19 51
IV.GAVE.EHZ. 2024-07-16T17:51:29.97 0.6 undecidable manual P 126 12.0768 125 0.17 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.000312 0.7 AML other m 2024-07-16T17:51:33.21
IV.GAVE.EHN. ML:1.4 0.000335 0.52 AML other m 2024-07-16T17:51:33.55
IV.MOMA.HHN. ML:1.1 0.0000981 0.36 AML other m 2024-07-16T17:51:34.21
IV.MOMA.HHE. ML:1.2 0.000127 0.36 AML other m 2024-07-16T17:51:34.75
IV.ARRO.EHE. ML:0.9 0.00006125 0.54 AML other m 2024-07-16T17:51:35.31
IV.NRCA.HHE. ML:1.0 0.00005685 0.1 AML other m 2024-07-16T17:51:38.52
IV.ASSB.HHE. ML:0.9 0.0000327 0.78 AML other m 2024-07-16T17:51:38.95
IV.ASSB.HHN. ML:1.0 0.000038150000000000006 1.42 AML other m 2024-07-16T17:51:39.95
IV.ARRO.EHN. ML:0.8 0.00004845 0.24 AML other m 2024-07-16T17:51:40.18
IV.NRCA.HHN. ML:0.9 0.00004035 0.1 AML other m 2024-07-16T17:51:41.59
IV.RM33.EHE. ML:0.9 0.000027049999999999997 1.58 AML other m 2024-07-16T17:51:43.96
IV.RM33.EHN. ML:1.0 0.0000293 0.22 AML other m 2024-07-16T17:51:43.73
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