Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-09-2024 and time 01:52:38 (UTC) in region 3 km N Pietralunga (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km N Pietralunga (PG), on

  • 04-09-2024 01:52:38 (UTC)
  • 04-09-2024 03:52:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4690, 12.4310 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
Pietralunga PG 3 2111 2111
Apecchio PU 10 1882 3993
Montone PG 14 1680 5673
Piobbico PU 15 2029 7702
Città di Castello PG 16 39913 47615
Cantiano PU 16 2245 49860
Gubbio PG 18 32216 82076
Cagli PU 20 8731 90807
Umbertide PG 20 16681 107488

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
63 Km SW of Fano (60888 inhabitants)
67 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
89 Km W of Ancona (100861 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
90 Km E of Siena (53903 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 1.2 2024-09-04
01:52:38		 43.4692 12.4308 8 2024-09-04
02:03:05		 Sala Sismica INGV-Roma 131197851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-04 01:52:38 ± 0.04
Latitude 43.4692 ± 0.0018
Longitude 12.4308 ± 0.0025
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 131197851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 185
Semi-minor axis of confidence ellipse (meter) 166
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 148
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.64391
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 131197851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-04 02:03:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2024-09-04T01:52:52.09 0.3 undecidable manual S 85 41.2254 50 -0.05 70
IV.ATCC.EHZ. 2024-09-04T01:52:50.87 0.3 undecidable manual S 152 35.742 50 0.2 69
IV.FDMO.HHZ. 2024-09-04T01:52:50.66 0.1 undecidable manual P 132 71.4729 50 -0.17 86
IV.MML1.EHZ. 2024-09-04T01:52:48.78 1.0 positive manual P 132 58.7967 50 -0.1 22
IV.ASSB.HHZ. 2024-09-04T01:52:47.45 0.6 undecidable manual P 159 50.8158 50 -0.19 45
IV.MURB.HHZ. 2024-09-04T01:52:46.95 0.3 undecidable manual S 162 24.0537 109 0.13 71
IV.ATCC.EHZ. 2024-09-04T01:52:45.12 0.6 negative manual P 152 35.742 50 -0.2 46
IV.ARVD.HHZ. 2024-09-04T01:52:45.82 0.3 undecidable manual P 85 41.2254 50 -0.34 66
IV.FOSV.EHZ. 2024-09-04T01:52:45.14 0.1 undecidable manual P 126 32.9448 104 0.34 89
IV.ATMC.EHZ. 2024-09-04T01:52:45.22 0.3 undecidable manual S 263 19.3695 113 -0.06 73
IV.ATMI.HHZ. 2024-09-04T01:52:45.47 0.3 undecidable manual S 221 19.869 112 0.01 74
IV.ATLO.EHZ. 2024-09-04T01:52:44.51 0.3 undecidable manual S 186 17.1717 115 -0.09 73
IV.ATFO.HHZ. 2024-09-04T01:52:44.19 0.6 undecidable manual S 135 16.0728 117 -0.05 49
IV.MPAG.EHZ. 2024-09-04T01:52:44.27 0.6 positive manual P 56 31.8459 104 -0.32 45
IV.SSFR.HHZ. 2024-09-04T01:52:43.67 0.6 negative manual P 97 28.5492 106 -0.28 46
IV.ATVA.EHZ. 2024-09-04T01:52:43.51 0.1 undecidable manual P 209 24.1536 108 0.4 90
IV.PARC.HHZ. 2024-09-04T01:52:43.28 0.1 undecidable manual P 322 25.2525 108 -0.03 97
IV.PE3.EHZ. 2024-09-04T01:52:43.51 0.1 undecidable manual P 12 25.752 107 0.1 95
IV.PIEI.HHZ. 2024-09-04T01:52:43.14 0.6 undecidable manual S 49 11.1777 126 0.35 46
IV.MURB.HHZ. 2024-09-04T01:52:43.02 0.1 positive manual P 162 24.0537 109 -0.08 96
IV.ATMC.EHZ. 2024-09-04T01:52:42.30 0.1 undecidable manual P 263 19.3695 113 0.09 97
IV.ATVO.HHZ. 2024-09-04T01:52:42.38 0.6 undecidable manual S 191 9.879 129 -0.05 50
IV.ATMI.HHZ. 2024-09-04T01:52:42.28 1.0 positive manual P 221 19.869 112 -0.03 24
IV.ATBU.EHZ. 2024-09-04T01:52:42.56 0.3 undecidable manual S 86 9.4794 130 0.23 72
IV.TB01.DHZ.01 2024-09-04T01:52:42.37 0.6 undecidable manual S 178 9.6792 130 -0.02 50
IV.APEC.HHZ. 2024-09-04T01:52:42.70 0.6 undecidable manual S 355 9.9789 129 0.25 48
IV.NARO.HHZ. 2024-09-04T01:52:42.15 0.1 positive manual P 37 19.7691 112 -0.14 96
IV.TB02.DHZ. 2024-09-04T01:52:42.88 0.3 undecidable manual S 189 11.0778 126 0.12 73
IV.ATSC.EHZ. 2024-09-04T01:52:42.50 0.1 undecidable manual P 104 21.1677 111 -0.05 97
IV.TSM3.DHZ.01 2024-09-04T01:52:42.99 0.3 undecidable manual S 212 11.2776 125 0.16 72
IV.TSM2.DHZ.15 2024-09-04T01:52:42.00 0.6 undecidable manual S 149 9.3795 131 -0.3 47
IV.FRON.EHZ. 2024-09-04T01:52:42.94 0.1 undecidable manual P 77 24.3534 108 -0.2 94
IV.TSM6.DHZ.01 2024-09-04T01:52:41.67 0.6 undecidable manual S 273 7.881 136 -0.26 48
IV.ATFO.HHZ. 2024-09-04T01:52:41.58 0.1 positive manual P 135 16.0728 117 -0.03 98
IV.TSM5.DHZ.10 2024-09-04T01:52:41.37 0.1 undecidable manual P 85 13.875 120 0.15 96
IV.ATLO.EHZ. 2024-09-04T01:52:41.79 0.1 undecidable manual P 186 17.1717 115 -0.02 98
IV.ATPI.EHZ. 2024-09-04T01:52:40.49 0.3 undecidable manual S 229 3.0969 159 -0.51 68
IV.TSM3.DHZ.01 2024-09-04T01:52:40.85 0.1 undecidable manual P 212 11.2776 125 0.06 99
IV.TSM2.DHZ.15 2024-09-04T01:52:40.41 0.1 undecidable manual P 149 9.3795 131 -0.07 99
IV.TSM6.DHZ.01 2024-09-04T01:52:40.29 0.1 undecidable manual P 273 7.881 136 0.02 100
IV.ATVO.HHZ. 2024-09-04T01:52:40.61 0.1 undecidable manual P 191 9.879 129 0.05 99
IV.ATBU.EHZ. 2024-09-04T01:52:40.75 0.1 undecidable manual P 86 9.4794 130 0.25 95
IV.TB01.DHZ.01 2024-09-04T01:52:40.57 0.1 undecidable manual P 178 9.6792 130 0.03 99
IV.APEC.HHZ. 2024-09-04T01:52:40.76 0.1 positive manual P 355 9.9789 129 0.19 96
IV.ATPC.HNZ. 2024-09-04T01:52:40.62 0.6 undecidable manual S 58 2.4975 163 -0.31 47
IV.TB02.DHZ. 2024-09-04T01:52:40.85 0.1 undecidable manual P 189 11.0778 126 0.1 98
IV.PIEI.HHZ. 2024-09-04T01:52:40.92 0.3 positive manual P 49 11.1777 126 0.15 73
IV.ATPC.HNZ. 2024-09-04T01:52:39.60 0.1 undecidable manual P 58 2.4975 163 -0.1 99
IV.ATPI.EHZ. 2024-09-04T01:52:39.57 0.1 undecidable manual P 229 3.0969 159 -0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.4 0.000359 0.24 AML other m 2024-09-04T01:52:42.65
IV.ATVO.HHE. ML:1.5 0.00042449999999999996 0.18 AML other m 2024-09-04T01:52:42.60
IV.APEC.HHN. ML:1.4 0.00033199999999999994 0.24 AML other m 2024-09-04T01:52:42.87
IV.APEC.HHE. ML:1.2 0.00025 0.72 AML other m 2024-09-04T01:52:43.04
IV.PIEI.HHE. ML:1.6 0.0005480000000000001 0.3 AML other m 2024-09-04T01:52:43.50
IV.PIEI.HNN. ML:1.4 0.0003485 0.34 AML other m 2024-09-04T01:52:43.33
IV.PIEI.HNE. ML:1.7 0.0006215 0.3 AML other m 2024-09-04T01:52:43.50
IV.PIEI.HHN. ML:1.6 0.0005275000000000001 0.34 AML other m 2024-09-04T01:52:43.50
IV.ATFO.HHE. ML:1.1 0.00011619999999999999 0.58 AML other m 2024-09-04T01:52:45.60
IV.ATMI.HHE. ML:1.1 0.00009789999999999998 0.58 AML other m 2024-09-04T01:52:45.62
IV.ATFO.HHN. ML:1.0 0.000097 1.4 AML other m 2024-09-04T01:52:46.72
IV.NARO.HHE. ML:1.0 0.0000727 0.26 AML other m 2024-09-04T01:52:46.40
IV.NARO.HHN. ML:0.9 0.00006560000000000001 0.86 AML other m 2024-09-04T01:52:46.11
IV.MURB.HNN. ML:1.5 0.000207 0.56 AML other m 2024-09-04T01:52:47.15
IV.MURB.HHE. ML:1.6 0.00026700000000000004 0.22 AML other m 2024-09-04T01:52:47.28
IV.MURB.HNE. ML:1.6 0.00028100000000000005 0.92 AML other m 2024-09-04T01:52:47.74
IV.MURB.HHN. ML:1.5 0.000211 0.24 AML other m 2024-09-04T01:52:47.74
IV.ATMI.HHN. ML:1.2 0.00010910000000000001 1 AML other m 2024-09-04T01:52:47.81
IV.PARC.HHN. ML:1.0 0.00006275 0.16 AML other m 2024-09-04T01:52:48.45
IV.SSFR.HHE. ML:1.4 0.0001295 1.76 AML other m 2024-09-04T01:52:49.01
IV.PARC.HHE. ML:1.1 0.00007585 1.9 AML other m 2024-09-04T01:52:49.97
IV.MPAG.EHN. ML:0.6 0.000018750000000000002 0.94 AML other m 2024-09-04T01:52:49.42
IV.SSFR.HHN. ML:1.3 0.00010445 0.12 AML other m 2024-09-04T01:52:49.43
IV.MPAG.EHE. ML:0.6 0.00002165 0.78 AML other m 2024-09-04T01:52:50.49
IV.ATCC.EHE. ML:1.4 0.00009570000000000001 0.28 AML other m 2024-09-04T01:52:51.02
IV.ARVD.HHN. ML:0.8 0.000020450000000000002 0.36 AML other m 2024-09-04T01:52:52.49
IV.ATCC.EHN. ML:1.2 0.00006845000000000001 0.52 AML other m 2024-09-04T01:52:52.36
IV.ARVD.HHE. ML:0.8 0.00001845 0.56 AML other m 2024-09-04T01:52:52.85
IV.ASSB.HHE. ML:0.8 0.0000157 0.64 AML other m 2024-09-04T01:52:57.42
IV.ASSB.HHN. ML:0.9 0.00002165 0.48 AML other m 2024-09-04T01:52:57.90
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