Earthquake with magnitude of ML 1.0 on date 20-09-2024 and time 04:31:00 (UTC) in region 6 km E Valfabbrica (PG)

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

  • 20-09-2024 04:31:00 (UTC)
  • 20-09-2024 06:31:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1480, 12.6720 at 10 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
Valfabbrica PG 6 3389 3389
Assisi PG 10 28299 31688
Nocera Umbra PG 11 5839 37527
Valtopina PG 12 1398 38925
Gualdo Tadino PG 13 15208 54133
Bastia Umbra PG 13 21874 76007
Spello PG 17 8645 84652
Fossato di Vico PG 18 2840 87492
Cannara PG 18 4305 91797

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Foligno (57155 inhabitants)
23 Km E of Perugia (166134 inhabitants)
65 Km N of Terni (111501 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
82 Km SW of Fano (60888 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
100 Km NW of Teramo (54892 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 2024-09-20
04:31:00
43.1483 12.6718 10 2024-09-20
04:39:01
Sala Sismica INGV-Roma 131573481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-20 04:31:00 ± 0.04
Latitude 43.1483 ± 0.0018
Longitude 12.6718 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131573481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 274
Semi-minor axis of confidence ellipse (meter) 93
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.39300
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 131573481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-20 04:39:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-09-20T04:31:14.87 0.3 undecidable manual S 98 43.623 50 0.43 66
IV.MOMA.HHZ. 2024-09-20T04:31:13.06 0.3 undecidable manual S 192 39.1275 50 -0.17 70
IV.FDMO.HHZ. 2024-09-20T04:31:12.35 0.3 undecidable manual S 110 35.8419 50 -0.02 73
IV.ATVO.HHZ. 2024-09-20T04:31:11.63 0.3 undecidable manual S 321 33.6441 50 -0.15 71
IV.ATLO.EHZ. 2024-09-20T04:31:10.19 0.3 undecidable manual S 311 28.2495 50 -0.16 72
IV.CESI.HHZ. 2024-09-20T04:31:09.19 0.3 undecidable manual S 130 24.6531 112 -0.09 73
IV.MML1.EHZ. 2024-09-20T04:31:09.12 0.3 undecidable manual S 99 24.5532 112 -0.13 73
IV.SNTG.HHZ. 2024-09-20T04:31:09.24 0.3 undecidable manual S 61 24.753 112 -0.06 74
IV.ATFO.HHZ. 2024-09-20T04:31:09.57 0.3 undecidable manual S 342 25.5522 111 0.01 74
IV.CSP1.EHZ. 2024-09-20T04:31:08.57 0.3 undecidable manual P 98 43.623 50 0.21 69
IV.TSM1.DHZ.01 2024-09-20T04:31:08.21 0.6 undecidable manual S 345 22.6551 113 -0.43 46
IV.FDMO.HHZ. 2024-09-20T04:31:07.16 0.3 undecidable manual P 110 35.8419 50 -0.01 73
IV.MOMA.HHZ. 2024-09-20T04:31:07.78 0.3 undecidable manual P 192 39.1275 50 0.11 71
IV.FOSV.EHZ. 2024-09-20T04:31:07.07 0.3 undecidable manual S 24 17.7711 119 -0.04 75
IV.MURB.HHZ. 2024-09-20T04:31:07.48 0.3 undecidable manual S 317 17.4714 119 0.47 68
IV.ATVO.HHZ. 2024-09-20T04:31:06.82 0.3 undecidable manual P 321 33.6441 50 -0.01 73
IV.ASSB.HHZ. 2024-09-20T04:31:05.26 0.3 undecidable manual S 185 11.7771 130 -0.13 74
IV.ATFO.HHZ. 2024-09-20T04:31:05.37 0.6 undecidable manual P 342 25.5522 111 -0.17 48
IV.ATLO.EHZ. 2024-09-20T04:31:05.88 0.1 undecidable manual P 311 28.2495 50 -0.12 96
IV.TSM1.DHZ.01 2024-09-20T04:31:05.02 0.6 undecidable manual P 345 22.6551 113 0.01 50
IV.CESI.HHZ. 2024-09-20T04:31:05.33 0.3 undecidable manual P 130 24.6531 112 -0.05 74
IV.MML1.EHZ. 2024-09-20T04:31:05.31 0.1 undecidable manual P 99 24.5532 112 -0.05 98
IV.SNTG.HHZ. 2024-09-20T04:31:05.33 0.1 undecidable manual P 61 24.753 112 -0.06 98
IV.FOSV.EHZ. 2024-09-20T04:31:04.18 0.1 undecidable manual P 24 17.7711 119 0.05 100
IV.MURB.HHZ. 2024-09-20T04:31:04.26 0.1 undecidable manual P 317 17.4714 119 0.19 97
IV.ATCC.EHZ. 2024-09-20T04:31:03.77 0.3 undecidable manual S 328 4.7952 154 -0.09 76
IV.ASSB.HHZ. 2024-09-20T04:31:03.23 0.1 undecidable manual P 185 11.7771 130 0.09 100
IV.ATCC.EHZ. 2024-09-20T04:31:02.39 0.1 undecidable manual P 328 4.7952 154 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:1.0 0.0001785 1.88 AML other m 2024-09-20T04:31:04.98
IV.ATCC.EHN. ML:1.0 0.00019307225 0.06 AML other m 2024-09-20T04:31:03.98
IV.ASSB.HHN. ML:1.2 0.00019600000000000002 0.08 AML other m 2024-09-20T04:31:05.59
IV.ASSB.HHE. ML:1.3 0.0002168379 0.2 AML other m 2024-09-20T04:31:05.50
IV.FOSV.EHN. ML:0.9 0.000058649999999999996 0.12 AML other m 2024-09-20T04:31:07.47
IV.MURB.HHN. ML:1.1 0.0001173961 0.26 AML other m 2024-09-20T04:31:07.74
IV.MURB.HHE. ML:1.2 0.00013620621999999998 0.24 AML other m 2024-09-20T04:31:07.64
IV.MML1.EHN. ML:1.2 0.00009554999999999999 0.2 AML other m 2024-09-20T04:31:09.38
IV.FOSV.EHE. ML:0.7 0.000043377715 0.1 AML other m 2024-09-20T04:31:07.56
IV.MML1.EHE. ML:0.9 0.00005205757 0.1 AML other m 2024-09-20T04:31:09.38
IV.FDMO.HHN. ML:1.1 0.00004875 0.16 AML other m 2024-09-20T04:31:12.58
IV.FDMO.HHE. ML:0.8 0.000024587515000000002 0.14 AML other m 2024-09-20T04:31:12.67
IV.ATCC.HNE. ML:1.0 0.00019470765000000002 0.15 AML other m 2024-09-20T04:31:03.97
IV.ATCC.HNN. ML:1.0 0.00015699105000000003 0.06 AML other m 2024-09-20T04:31:04.00
IV.MURB.HNE. ML:1.1 0.00011577375 0.28 AML other m 2024-09-20T04:31:07.64
IV.MURB.HNN. ML:1.1 0.00011029243499999999 0.26 AML other m 2024-09-20T04:31:07.60
IV.SNTG.HHE. ML:0.4 0.00001649722 0.16 AML other m 2024-09-20T04:31:10.23
IV.SNTG.HHN. ML:0.6 0.00002417231 0.26 AML other m 2024-09-20T04:31:10.57
IV.CESI.HHE. ML:0.8 0.000034212864999999997 0.08 AML other m 2024-09-20T04:31:09.90
IV.CESI.HHN. ML:0.6 0.000026476300000000003 0.1 AML other m 2024-09-20T04:31:09.85
IV.MOMA.HHE. ML:0.8 0.000020570560000000003 0.32 AML other m 2024-09-20T04:31:14.02
IV.MOMA.HHN. ML:0.6 0.000013310145 0.16 AML other m 2024-09-20T04:31:14.52
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