Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 01-05-2023 and time 04:12:44 (UTC) in region 6 km SE Pietralunga (PG)

A magnitude ML 0.3 earthquake occured in region: 6 km SE Pietralunga (PG), on

  • 01-05-2023 04:12:44 (UTC)
  • 01-05-2023 06:12:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4050, 12.4930 at 5 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 6 2111 2111
Gubbio PG 9 32216 34327
Cantiano PU 13 2245 36572
Montone PG 14 1680 38252
Scheggia e Pascelupo PG 14 1393 39645
Umbertide PG 17 16681 56326
Apecchio PU 18 1882 58208
Costacciaro PG 19 1216 59424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
50 Km E of Arezzo (99543 inhabitants)
53 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
73 Km S of Rimini (147750 inhabitants)
84 Km S of Cesena (96758 inhabitants)
86 Km W of Ancona (100861 inhabitants)
94 Km E of Siena (53903 inhabitants)
95 Km N of Terni (111501 inhabitants)
98 Km SE of Forlì (117913 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 0.3 2023-05-01
04:12:44		 43.4053 12.4932 5 2023-05-01
04:29:37		 Sala Sismica INGV-Roma 116923451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-01 04:12:44 ± 0.08
Latitude 43.4053 ± 0.0036
Longitude 12.4932 ± 0.0025
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116923451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 285
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21494
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 19
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116923451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-01 04:29:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2023-05-01T04:13:10.64 3.0 undecidable manual S -0.02 0
IV.NARO.HHZ. 2023-05-01T04:12:49.54 0.3 undecidable manual P 17 23.8539 103 -0.31 69
IV.SSFR.HHZ. 2023-05-01T04:12:49.56 0.3 undecidable manual P 82 23.5542 103 -0.22 70
IV.BADI.EHZ. 2023-05-01T04:12:49.71 0.3 undecidable manual P 300 23.1546 103 0 73
IV.FRON.EHZ. 2023-05-01T04:12:49.29 0.3 undecidable manual P 56 22.4553 104 -0.29 69
IV.ATVO.HHZ. 2023-05-01T04:12:48.13 0.3 undecidable manual S 250 7.4814 126 -0.01 75
IV.TSM6.DHZ.11 2023-05-01T04:12:48.01 0.3 undecidable manual P 300 14.874 110 -0.12 72
IV.PIEI.HHZ. 2023-05-01T04:12:48.37 0.3 undecidable manual P 13 14.874 110 0.26 70
IV.TB02.DHZ.01 2023-05-01T04:12:48.35 0.3 undecidable manual S 240 7.7811 125 0.11 73
IV.ATSC.EHZ. 2023-05-01T04:12:48.26 0.3 undecidable manual P 82 15.6732 109 -0.01 74
IV.ATFO.HHZ. 2023-05-01T04:12:48.24 0.3 undecidable manual S 124 7.5813 125 0.05 74
IV.TB03.DHZ.25 2023-05-01T04:12:47.86 0.3 undecidable manual S 266 6.6933 129 -0.07 74
IV.ATBU.HNZ. 2023-05-01T04:12:47.40 0.3 undecidable manual P 30 8.9799 121 0.35 70
IV.TSM5.DHZ.01 2023-05-01T04:12:47.82 0.3 undecidable manual P 47 12.0768 114 0.22 71
IV.TSM1.DHZ.01 2023-05-01T04:12:47.53 0.3 undecidable manual P 128 10.6782 117 0.18 72
IV.TB01.DHZ.01 2023-05-01T04:12:47.68 0.3 undecidable manual S 240 5.2947 135 0.1 74
IV.ATPI.EHZ. 2023-05-01T04:12:47.13 0.3 undecidable manual P 305 8.88 121 0.1 73
IV.ATLO.EHZ. 2023-05-01T04:12:47.59 0.3 undecidable manual P 215 12.1767 114 -0.02 74
IV.TSM3.DHZ.01 2023-05-01T04:12:47.47 0.3 undecidable manual P 257 11.3775 115 0 75
IV.TB02.DHZ.01 2023-05-01T04:12:46.81 0.3 undecidable manual P 240 7.7811 125 -0.04 74
IV.ATFO.HHZ. 2023-05-01T04:12:46.85 0.3 undecidable manual P 124 7.5813 125 0.03 75
IV.TSM2.DHZ.01 2023-05-01T04:12:46.66 0.3 undecidable manual S 195 0.999 169 -0.2 73
IV.ATPC.HHZ. 2023-05-01T04:12:46.95 3.0 undecidable manual P 0
IV.TB03.DHZ.25 2023-05-01T04:12:46.64 0.3 undecidable manual P 266 6.6933 129 -0.03 75
IV.ATVO.HHZ. 2023-05-01T04:12:46.74 0.3 undecidable manual P 250 7.4814 126 -0.05 74
IV.TB01.DHZ.01 2023-05-01T04:12:46.49 0.1 undecidable manual P 240 5.2947 135 0.02 100
IV.TSM2.DHZ.01 2023-05-01T04:12:45.97 0.3 undecidable manual P 195 0.999 169 -0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.0 0.000032419285 0.1984 AML other m 2023-05-01T04:12:48.34
IV.ATVO.HHN. ML:0.0 0.000034896285 0.1792 AML other m 2023-05-01T04:12:48.18
IV.ATFO.HHE. ML:0.0 0.00006345193000000001 0.2208 AML other m 2023-05-01T04:12:48.37
IV.ATFO.HHN. ML:0.0 0.000052614605 0.1408 AML other m 2023-05-01T04:12:48.51
IV.ATPI.EHE. ML:-0.1 0.00001478691 0.24 AML other m 2023-05-01T04:12:49.06
IV.ATPI.EHN. ML:0.1 0.0000270681345 0.1984 AML other m 2023-05-01T04:12:49.00
IV.PIEI.HHE. ML:0.2 0.0000221011975 0.0608 AML other m 2023-05-01T04:12:51.31
IV.PIEI.HHN. ML:0.1 0.000016041880999999998 0.0992 AML other m 2023-05-01T04:12:51.29
IV.SSFR.HHE. ML:0.4 0.000013385711999999999 0.16 AML other m 2023-05-01T04:12:54.33
IV.SSFR.HHN. ML:0.4 0.000014451815 0.1792 AML other m 2023-05-01T04:12:55.14
IV.BADI.EHE. ML:0.3 0.0000165846635 0.16 AML other m 2023-05-01T04:12:53.68
IV.BADI.EHN. ML:0.5 0.00001799181 0.32 AML other m 2023-05-01T04:12:53.65
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