Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 15-03-2023 and time 04:58:47 (UTC) in region 2 km SE Pietralunga (PG)

A magnitude ML 0.9 earthquake occured in region: 2 km SE Pietralunga (PG), on

  • 15-03-2023 04:58:47 (UTC)
  • 15-03-2023 05:58:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4270, 12.4560 at 7 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 2 2111 2111
Montone PG 13 1680 3791
Gubbio PG 13 32216 36007
Cantiano PU 15 2245 38252
Apecchio PU 15 1882 40134
Umbertide PG 17 16681 56815
Scheggia e Pascelupo PG 17 1393 58208
Città di Castello PG 18 39913 98121
Piobbico PU 19 2029 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
56 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
71 Km S of Rimini (147750 inhabitants)
81 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
92 Km E of Siena (53903 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
98 Km N of Terni (111501 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
Bulletin
Rev1000 		ML 0.9 2023-03-15
04:58:47		 43.4272 12.4558 7 2024-03-01
17:18:01		 Bollettino Sismico Italiano INGV 116082251
Reviewed
Rev100 		ML 1.0 2023-03-15
04:58:48		 43.4253 12.4617 5 2023-03-15
05:23:40		 Sala Sismica INGV-Roma 115384021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-15 04:58:47 ± 0.06
Latitude 43.4272 ± 0.0018
Longitude 12.4558 ± 0.0025
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116082251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 200
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.38671
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 116082251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-05 07:25:16

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 115384021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-15 05:23:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHE. 2023-03-15T04:58:58.68 0.6 undecidable manual S 325 30.1476 103 0.08 47
IV.ATCC.EHZ. 2023-03-15T04:58:58.96 0.3 undecidable manual S 151 30.6471 102 0.19 69
IV.FOSV.HNE. 2023-03-15T04:58:57.86 0.3 undecidable manual S 121 28.6491 103 -0.23 69
IV.SSFR.HHN. 2023-03-15T04:58:57.12 0.6 undecidable manual S 88 26.3514 104 -0.18 47
IV.FRON.EHZ. 2023-03-15T04:58:56.62 0.3 undecidable manual S 65 23.9538 106 0.11 71
IV.ATSC.EHE. 2023-03-15T04:58:55.03 0.6 undecidable manual S 91 18.5703 110 0.3 46
IV.BADI.EHZ. 2023-03-15T04:58:55.18 0.3 undecidable manual S 298 19.3695 109 0.2 71
IV.CPGN.EHZ. 2023-03-15T04:58:55.99 0.3 undecidable manual P 345 42.9237 50 -0.47 64
IV.ATMC.EHE. 2023-03-15T04:58:55.66 0.6 undecidable manual S 276 21.2676 107 0.03 49
IV.NARO.HHZ. 2023-03-15T04:58:55.74 0.3 undecidable manual S 26 22.755 106 -0.36 68
IV.MURB.HNZ. 2023-03-15T04:58:55.24 0.3 undecidable manual S 163 19.0698 109 0.36 68
IV.ATVA.EHE. 2023-03-15T04:58:55.52 0.6 undecidable manual S 220 21.4674 107 -0.16 47
IV.ATCC.EHZ. 2023-03-15T04:58:54.13 0.3 undecidable manual P 151 30.6471 102 -0.04 72
IV.PARC.HHE. 2023-03-15T04:58:54.34 0.1 undecidable manual P 325 30.1476 103 0.27 91
IV.APEC.HNN. 2023-03-15T04:58:53.87 0.6 undecidable manual S 349 14.874 114 0.34 46
IV.SSFR.HHN. 2023-03-15T04:58:53.29 0.1 undecidable manual P 88 26.3514 104 -0.03 96
IV.ATLO.EHE. 2023-03-15T04:58:53.23 0.6 undecidable manual S 198 12.9759 117 0.27 47
IV.FOSV.HNE. 2023-03-15T04:58:53.67 0.1 undecidable manual P 121 28.6491 103 -0.1 94
IV.PIEI.HHZ. 2023-03-15T04:58:53.36 0.3 undecidable manual S 28 13.6752 116 0.21 71
IV.FRON.EHZ. 2023-03-15T04:58:52.62 0.3 undecidable manual P 65 23.9538 106 -0.24 69
IV.ATVA.EHE. 2023-03-15T04:58:52.78 0.3 undecidable manual P 220 21.4674 107 0.4 67
IV.TSM3.DH2. 2023-03-15T04:58:52.09 0.6 undecidable manual S 239 9.4794 125 0.19 48
IV.ATBU.EHZ. 2023-03-15T04:58:52.13 0.3 undecidable manual S 54 9.1797 126 0.31 70
IV.ATMC.EHE. 2023-03-15T04:58:52.36 0.3 undecidable manual P 276 21.2676 107 0.01 73
IV.NARO.HHZ. 2023-03-15T04:58:52.24 0.3 undecidable manual P 26 22.755 106 -0.38 68
IV.ATFO.HHZ. 2023-03-15T04:58:52.81 0.6 undecidable manual S 126 11.4774 120 0.32 47
IV.MURB.HNZ. 2023-03-15T04:58:51.93 0.6 undecidable manual P 163 19.0698 109 0.01 49
IV.ATMI.HHZ. 2023-03-15T04:58:51.38 0.6 undecidable manual P 236 18.2706 110 -0.4 45
IV.PIEI.HHZ. 2023-03-15T04:58:51.06 0.1 undecidable manual P 28 13.6752 116 0.14 96
IV.ATSC.EHE. 2023-03-15T04:58:51.86 0.1 undecidable manual P 91 18.5703 110 0.03 98
IV.BADI.EHZ. 2023-03-15T04:58:51.97 0.3 undecidable manual P 298 19.3695 109 -0.01 73
IV.APEC.HNN. 2023-03-15T04:58:51.25 0.1 undecidable manual P 349 14.874 114 0.11 97
IV.TB02.DHZ. 2023-03-15T04:58:51.36 0.3 undecidable manual S 211 7.2927 133 0.04 74
IV.TB03.DHZ. 2023-03-15T04:58:50.53 0.6 undecidable manual S 232 4.6953 145 -0.18 48
IV.ATVO.HHZ. 2023-03-15T04:58:50.79 0.1 undecidable manual S 219 6.3936 136 -0.3 94
IV.ATFO.HHZ. 2023-03-15T04:58:50.08 0.6 undecidable manual P 126 11.4774 120 -0.46 45
IV.ATPI.EHZ. 2023-03-15T04:58:50.49 0.3 undecidable manual S 301 5.0949 143 -0.3 71
IV.TB01.DHZ.01 2023-03-15T04:58:50.68 0.6 undecidable manual S 198 5.2947 142 -0.17 49
IV.ATPC.HHE. 2023-03-15T04:58:50.96 0.6 undecidable manual S 1 5.994 138 -0.03 50
IV.TSM3.DH2. 2023-03-15T04:58:50.29 0.1 undecidable manual P 239 9.4794 125 0.09 98
IV.ATLO.EHE. 2023-03-15T04:58:50.88 0.1 undecidable manual P 198 12.9759 117 0.07 98
IV.TSM2.DHN. 2023-03-15T04:58:50.34 0.6 undecidable manual S 141 4.3956 147 -0.32 47
IV.ATBU.EHZ. 2023-03-15T04:58:50.36 0.3 undecidable manual P 54 9.1797 126 0.2 72
IV.TB02.DHZ. 2023-03-15T04:58:49.92 0.1 undecidable manual P 211 7.2927 133 0.05 99
IV.ATPC.HHE. 2023-03-15T04:58:49.69 0.1 undecidable manual P 1 5.994 138 0.02 100
IV.TSM2.DHN. 2023-03-15T04:58:49.38 0.1 undecidable manual P 141 4.3956 147 -0.1 99
IV.TB03.DHZ. 2023-03-15T04:58:49.41 0.1 undecidable manual P 232 4.6953 145 -0.1 98
IV.ATVO.HHZ. 2023-03-15T04:58:49.75 0.1 undecidable manual P 219 6.3936 136 0.02 100
IV.ATPI.EHZ. 2023-03-15T04:58:49.47 0.1 undecidable manual P 301 5.0949 143 -0.09 99
IV.TB01.DHZ.01 2023-03-15T04:58:49.64 0.1 undecidable manual P 198 5.2947 142 0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.8 0.00008010000000000001 0.78 AML other m 2023-03-15T04:58:54.77
IV.NARO.HHE. ML:1.0 0.00007374999999999999 0.5 AML other m 2023-03-15T04:58:59.22
IV.PIEI.HHN. ML:0.7 0.00005935 0.42 AML other m 2023-03-15T04:59:03.46
IV.NARO.HHN. ML:1.0 0.0000634 0.42 AML other m 2023-03-15T04:59:05.31
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