Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 03-03-2023 and time 09:34:35 (UTC) in region 5 km N Pietralunga (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km N Pietralunga (PG), on

  • 03-03-2023 09:34:35 (UTC)
  • 03-03-2023 10:34:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4870, 12.4480 at 6 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 5 2111 2111
Apecchio PU 8 1882 3993
Piobbico PU 13 2029 6022
Cantiano PU 15 2245 8267
Montone PG 17 1680 9947
Città di Castello PG 17 39913 49860
Cagli PU 18 8731 58591
Gubbio PG 18 32216 90807
Mercatello sul Metauro PU 20 1378 92185
Sant'Angelo in Vado PU 20 4133 96318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
60 Km SW of Pesaro (94582 inhabitants)
61 Km SW of Fano (60888 inhabitants)
63 Km NW of Foligno (57155 inhabitants)
65 Km S of Rimini (147750 inhabitants)
74 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
88 Km SE of Forlì (117913 inhabitants)
92 Km E of Siena (53903 inhabitants)
100 Km SE of Faenza (58541 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 0.7 2023-03-03
09:34:35		 43.4873 12.4478 7 2023-03-03
09:59:31		 Sala Sismica INGV-Roma 114959231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-03 09:34:35 ± 0.09
Latitude 43.4873 ± 0.0027
Longitude 12.4478 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114959231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 47
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 323
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114959231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-03 09:59:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-03-03T09:35:04.32 3.0 undecidable manual S 0.47 0
IV.PARC.HHZ. 2023-03-03T09:34:44.50 0.3 undecidable manual S 317 24.5532 105 0.33 68
IV.ATSC.EHZ. 2023-03-03T09:34:43.04 0.6 undecidable manual S 110 20.4684 108 0.23 47
IV.ATMC.EHZ. 2023-03-03T09:34:43.28 0.6 undecidable manual S 258 21.0678 107 0.29 46
IV.ATLO.EHZ. 2023-03-03T09:34:42.59 0.6 undecidable manual S 190 19.3695 109 0.14 48
IV.SSFR.HHZ. 2023-03-03T09:34:41.23 1.0 negative manual P 102 27.5502 103 0.21 23
IV.BADI.EHZ. 2023-03-03T09:34:41.66 0.6 undecidable manual S 279 16.5723 111 0.13 48
IV.NARO.HHZ. 2023-03-03T09:34:41.68 0.6 undecidable manual S 38 17.3715 111 -0.11 48
IV.PARC.HHZ. 2023-03-03T09:34:40.59 1.0 undecidable manual P 317 24.5532 105 0.15 24
IV.TB02.DHZ.01 2023-03-03T09:34:40.89 0.6 undecidable manual S 193 13.3755 116 0.38 46
IV.ATVO.HHZ. 2023-03-03T09:34:40.59 0.6 undecidable manual S 196 12.1767 118 0.45 45
IV.TB01.DHZ.01 2023-03-03T09:34:40.24 0.6 undecidable manual S 185 11.7771 119 0.21 47
IV.TSM2.DHZ.01 2023-03-03T09:34:39.52 0.6 undecidable manual S 161 10.6782 121 -0.17 48
IV.ATBU.EHZ. 2023-03-03T09:34:39.52 0.6 undecidable manual S 99 8.1807 129 0.53 44
IV.FRON.EHZ. 2023-03-03T09:34:39.85 0.6 undecidable manual P 81 22.6551 106 -0.22 47
IV.PIEI.HHZ. 2023-03-03T09:34:39.46 0.6 undecidable manual S 53 8.7801 126 0.3 47
IV.ATSC.EHZ. 2023-03-03T09:34:39.77 0.1 undecidable manual P 110 20.4684 108 0.11 95
IV.ATLO.EHZ. 2023-03-03T09:34:39.13 0.1 undecidable manual P 190 19.3695 109 -0.32 92
IV.ATMC.EHZ. 2023-03-03T09:34:39.46 0.1 undecidable manual P 258 21.0678 107 -0.3 92
IV.ATVO.HHZ. 2023-03-03T09:34:38.20 0.6 positive manual P 196 12.1767 118 0.08 49
IV.ATPI.EHZ. 2023-03-03T09:34:38.45 0.6 undecidable manual S 222 5.4945 140 0.14 49
IV.NARO.HHZ. 2023-03-03T09:34:38.94 0.1 undecidable manual P 38 17.3715 111 -0.13 96
IV.ATFO.HHZ. 2023-03-03T09:34:38.89 0.6 positive manual P 143 16.6722 111 -0.06 49
IV.TB02.DHZ.01 2023-03-03T09:34:38.20 0.1 undecidable manual P 193 13.3755 116 -0.13 96
IV.BADI.EHZ. 2023-03-03T09:34:38.89 0.1 positive manual P 279 16.5723 111 -0.03 98
IV.TB01.DHZ.01 2023-03-03T09:34:37.88 0.1 undecidable manual P 185 11.7771 119 -0.17 96
IV.TSM2.DHZ.01 2023-03-03T09:34:37.78 0.1 undecidable manual P 161 10.6782 121 -0.08 98
IV.ATBU.EHZ. 2023-03-03T09:34:37.49 0.1 undecidable manual P 99 8.1807 129 0.04 99
IV.ATPI.EHZ. 2023-03-03T09:34:37.05 0.1 positive manual P 222 5.4945 140 -0.01 100
IV.ATPC.HNZ. 2023-03-03T09:34:37.17 0.3 undecidable manual S 135 0.999 171 -0.47 69
IV.TB03.DHZ.01 2023-03-03T09:34:37.81 0.1 undecidable manual P 198 9.9789 123 0.06 98
IV.PIEI.HHZ. 2023-03-03T09:34:37.65 0.1 positive manual P 53 8.7801 126 0.09 98
IV.ATPC.HNZ. 2023-03-03T09:34:36.42 0.1 undecidable manual P 135 0.999 171 -0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.8 0.0001065 0.42 AML other m 2023-03-03T09:34:39.81
IV.PIEI.HHN. ML:0.6 0.00006890000000000001 0.16 AML other m 2023-03-03T09:34:39.69
IV.BADI.EHN. ML:0.9 0.00007375 0.34 AML other m 2023-03-03T09:34:42.24
IV.BADI.EHE. ML:0.9 0.00007264999999999999 0.16 AML other m 2023-03-03T09:34:42.78
IV.ATPI.EHE. ML:0.0 0.00010251980500000001 0.3008 AML other m 2023-03-03T09:34:38.45
IV.ATPI.EHN. ML:0.0 0.00010384625 0.2368 AML other m 2023-03-03T09:34:39.41
IV.ATVO.HHE. ML:0.8 0.000074403 0.2432 AML other m 2023-03-03T09:34:40.72
IV.ATVO.HHN. ML:0.4 0.000036674616 0.1792 AML other m 2023-03-03T09:34:40.79
IV.NARO.HHE. ML:0.6 0.00003569106 0.16 AML other m 2023-03-03T09:34:41.83
IV.NARO.HHN. ML:0.4 0.0000228920195 0.0768 AML other m 2023-03-03T09:34:41.87
IV.PARC.HHE. ML:0.7 0.000034142255000000004 0.2176 AML other m 2023-03-03T09:34:45.41
IV.PARC.HHN. ML:0.5 0.000022323065 0.2368 AML other m 2023-03-03T09:34:45.55
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