Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-05-2023 and time 17:30:53 (Italy) in region 5 km SE Pietralunga (PG)

A magnitude ML 1.8 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 27-05-2023 15:30:53 (UTC)
  • 27-05-2023 17:30:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4160, 12.4850 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 5 2111 2111
Gubbio PG 10 32216 34327
Cantiano PU 13 2245 36572
Montone PG 14 1680 38252
Scheggia e Pascelupo PG 15 1393 39645
Apecchio PU 17 1882 41527
Umbertide PG 18 16681 58208
Costacciaro PG 19 1216 59424
Piobbico PU 19 2029 61453
Cagli PU 20 8731 70184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
49 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
83 Km S of Cesena (96758 inhabitants)
86 Km W of Ancona (100861 inhabitants)
94 Km E of Siena (53903 inhabitants)
96 Km N of Terni (111501 inhabitants)
97 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 1.8 2023-05-27
15:30:53		 43.4165 12.4853 8 2023-05-27
16:04:56		 Sala Sismica INGV-Roma 117782091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-27 15:30:53 ± 0.06
Latitude 43.4165 ± 0.0018
Longitude 12.4853 ± 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 117782091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 209
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 159
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39480
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 29
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 117782091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-27 16:04:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHZ. 2023-05-27T15:32:02.76 3.0 undecidable manual Sg 6.43 0
IV.BDI.HHZ. 2023-05-27T15:31:42.28 3.0 undecidable manual S 0.58 0
IV.CESX.HHZ. 2023-05-27T15:31:20.87 3.0 undecidable manual S -1.83 0
IV.NRCA.HHZ. 2023-05-27T15:31:17.75 3.0 undecidable manual S -2.66 0
IV.CAMP.HHZ. 2023-05-27T15:31:17.37 3.0 undecidable manual P 2.23 0
IV.CSP1.EHZ. 2023-05-27T15:31:16.55 3.0 undecidable manual S 0.31 0
IV.CING.HHZ. 2023-05-27T15:31:13.00 3.0 undecidable manual S 0.07 0
IV.MML1.EHZ. 2023-05-27T15:31:11.36 3.0 undecidable manual S 0.07 0
IV.ASSB.HHZ. 2023-05-27T15:31:08.46 0.6 undecidable manual S 161 43.8228 50 -0.14 46
IV.FDMO.HHZ. 2023-05-27T15:31:05.27 3.0 positive manual P -0.39 0
IV.PARC.HHZ. 2023-05-27T15:31:05.56 0.6 undecidable manual S 322 32.5452 104 0.21 46
IV.MGAB.HHZ. 2023-05-27T15:31:05.12 3.0 undecidable manual P -0.42 0
IV.ATCC.EHZ. 2023-05-27T15:31:04.56 0.3 undecidable manual S 154 28.5492 105 0.54 64
IV.MPAG.EHZ. 2023-05-27T15:31:04.99 0.3 undecidable manual S 43 32.3454 104 -0.3 68
IV.MML1.EHZ. 2023-05-27T15:31:03.34 3.0 undecidable manual P -0.2 0
IV.CESI.HHZ. 2023-05-27T15:31:03.95 3.0 undecidable manual P -0.46 0
IV.CRE.HHZ. 2023-05-27T15:31:03.19 3.0 positive manual P 0.26 0
IV.EL6.EHZ. 2023-05-27T15:31:03.03 3.0 positive manual P -0.3 0
IV.FOSV.EHZ. 2023-05-27T15:31:03.07 0.6 undecidable manual S 121 26.0517 107 -0.11 47
IV.ATMC.EHZ. 2023-05-27T15:31:02.41 0.3 undecidable manual S 278 23.754 108 -0.04 72
IV.SSFR.HHZ. 2023-05-27T15:31:02.54 0.3 undecidable manual S 85 24.0537 108 0.02 73
IV.FRON.EHZ. 2023-05-27T15:31:01.93 0.3 undecidable manual S 60 22.3554 109 -0.05 72
IV.ARVD.HHZ. 2023-05-27T15:31:01.05 3.0 undecidable manual P -0.1 0
IV.NARO.HHZ. 2023-05-27T15:31:01.88 0.3 undecidable manual S 20 22.8549 109 -0.26 69
IV.ASSB.HHZ. 2023-05-27T15:31:01.95 0.3 undecidable manual P 161 43.8228 50 -0.37 65
IV.ATMI.HHZ. 2023-05-27T15:31:01.38 0.6 undecidable manual S 243 19.7691 112 0.25 46
IV.SNTG.HHZ. 2023-05-27T15:31:01.60 3.0 positive manual P -0.11 0
IV.PARC.HHZ. 2023-05-27T15:31:00.32 0.3 undecidable manual P 322 32.5452 104 -0.13 70
IV.MURB.HHZ. 2023-05-27T15:31:00.71 0.6 undecidable manual S 169 17.2716 114 0.36 46
IV.ATSC.EHE. 2023-05-27T15:31:00.14 0.3 undecidable manual S 87 16.2726 116 0.14 72
IV.MPAG.EHZ. 2023-05-27T15:31:00.06 0.6 positive manual P 43 32.3454 104 -0.35 45
IV.APEC.HHE. 2023-05-27T15:31:00.19 0.3 undecidable manual S 342 16.5723 115 0.07 73
IV.ATLO.HNE. 2023-05-27T15:30:59.11 0.3 undecidable manual S 209 12.876 121 0.12 72
IV.TSM5.DHE.01 2023-05-27T15:30:59.16 0.3 undecidable manual S 53 11.7771 124 0.5 67
IV.FOSV.EHZ. 2023-05-27T15:30:59.00 0.3 undecidable manual P 121 26.0517 107 -0.19 70
IV.PIEI.HHZ. 2023-05-27T15:30:59.48 0.3 undecidable manual S 17 13.7751 120 0.22 71
IV.TSM6.DHE.01 2023-05-27T15:30:59.32 0.3 undecidable manual S 297 13.7751 120 0.07 73
IV.ATCC.EHZ. 2023-05-27T15:30:59.68 0.3 undecidable manual P 154 28.5492 105 0 72
IV.ATMC.EHZ. 2023-05-27T15:30:58.61 0.1 undecidable manual P 278 23.754 108 -0.16 94
IV.SSFR.HHZ. 2023-05-27T15:30:58.60 0.3 undecidable manual P 85 24.0537 108 -0.21 70
IV.ATVA.EHE. 2023-05-27T15:30:58.29 0.6 undecidable manual P 227 22.2555 110 -0.18 47
IV.ATMI.HHZ. 2023-05-27T15:30:58.04 0.1 positive manual P 243 19.7691 112 0.03 97
IV.ATBU.HNZ. 2023-05-27T15:30:58.07 0.3 undecidable manual S 38 8.2806 133 0.35 70
IV.TSM1.DHE.01 2023-05-27T15:30:58.74 0.3 undecidable manual S 131 11.9769 123 0.01 74
IV.FRON.EHZ. 2023-05-27T15:30:58.38 0.1 positive manual P 60 22.3554 109 -0.12 95
IV.TSM3.DHE.01 2023-05-27T15:30:58.65 0.3 undecidable manual S 250 11.0778 125 0.18 72
IV.NARO.HHZ. 2023-05-27T15:30:58.39 0.1 positive manual P 20 22.8549 109 -0.2 93
IV.MURB.HHZ. 2023-05-27T15:30:57.72 0.1 undecidable manual P 169 17.2716 114 0.16 95
IV.ATSC.EHE. 2023-05-27T15:30:57.45 0.1 undecidable manual P 87 16.2726 116 0.09 97
IV.ATVO.HHZ. 2023-05-27T15:30:57.42 0.1 undecidable manual S 239 7.3815 137 -0.07 99
IV.ATFO.HNN. 2023-05-27T15:30:57.68 0.3 undecidable manual S 128 8.88 132 -0.19 72
IV.ATPC.HHZ. 2023-05-27T15:30:57.63 0.6 undecidable manual S 342 7.4814 136 0.11 49
IV.PIEI.HHZ. 2023-05-27T15:30:57.08 0.1 undecidable manual P 17 13.7751 120 0.15 96
IV.ATPI.EHZ. 2023-05-27T15:30:57.43 0.3 undecidable manual S 300 7.6812 136 -0.14 73
IV.TB03.DHZ.01 2023-05-27T15:30:57.03 0.3 undecidable manual S 254 6.2937 141 -0.21 72
IV.TB02.DHZ.01 2023-05-27T15:30:57.68 0.3 undecidable manual S 230 7.9809 135 0.05 74
IV.TSM3.DHE.01 2023-05-27T15:30:56.64 0.1 undecidable manual P 250 11.0778 125 0.17 96
IV.ATPC.HHZ. 2023-05-27T15:30:56.01 0.1 undecidable manual P 342 7.4814 136 0.09 98
IV.TB01.DHN.01 2023-05-27T15:30:56.92 0.3 undecidable manual S 226 5.5944 145 -0.17 73
IV.ATPI.EHZ. 2023-05-27T15:30:56.01 0.1 undecidable manual P 300 7.6812 136 0.06 99
IV.APEC.HHE. 2023-05-27T15:30:56.80 1.0 undecidable manual P 342 16.5723 115 -0.63 21
IV.TB02.DHZ.01 2023-05-27T15:30:56.07 0.1 undecidable manual P 230 7.9809 135 0.08 98
IV.ATLO.HNE. 2023-05-27T15:30:56.95 0.1 undecidable manual P 209 12.876 121 0.18 96
IV.TSM5.DHE.01 2023-05-27T15:30:56.87 0.1 undecidable manual P 53 11.7771 124 0.29 94
IV.ATFO.HNN. 2023-05-27T15:30:56.12 0.1 undecidable manual P 128 8.88 132 0 100
IV.TSM1.DHE.01 2023-05-27T15:30:56.60 0.3 undecidable manual P 131 11.9769 123 -0.02 74
IV.TSM6.DHE.01 2023-05-27T15:30:56.96 0.1 undecidable manual P 297 13.7751 120 0.04 98
IV.ATBU.HNZ. 2023-05-27T15:30:56.26 0.1 undecidable manual P 38 8.2806 133 0.22 95
IV.TSM2.DHE. 2023-05-27T15:30:55.75 0.1 undecidable manual S 170 2.2977 164 -0.84 79
IV.TB03.DHZ.01 2023-05-27T15:30:55.75 0.1 undecidable manual P 254 6.2937 141 -0.01 100
IV.ATVO.HHZ. 2023-05-27T15:30:55.94 0.1 undecidable manual P 239 7.3815 137 0.03 99
IV.TSM2.DHE. 2023-05-27T15:30:55.11 0.1 undecidable manual P 170 2.2977 164 -0.28 95
IV.TB01.DHN.01 2023-05-27T15:30:55.71 0.1 undecidable manual P 226 5.5944 145 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:2.3 0.00346 0.36 AML other m 2023-05-27T15:30:57.48
IV.ATVO.HNE. ML:2.2 0.00311 0.36 AML other m 2023-05-27T15:30:57.49
IV.ATVO.HHN. ML:2.3 0.003475 0.12 AML other m 2023-05-27T15:30:57.50
IV.ATVO.HNN. ML:2.3 0.0032949999999999998 0.12 AML other m 2023-05-27T15:30:57.51
IV.ATPI.HNN. ML:2.1 0.002205 0.14 AML other m 2023-05-27T15:30:57.62
IV.ATPI.EHN. ML:2.1 0.002165 0.16 AML other m 2023-05-27T15:30:57.63
IV.ATPI.EHE. ML:2.0 0.0019199999999999998 1.48 AML other m 2023-05-27T15:30:58.15
IV.ATPI.HNE. ML:2.0 0.001945 1.46 AML other m 2023-05-27T15:30:58.15
IV.PIEI.HNN. ML:1.8 0.0006739999999999999 1.42 AML other m 2023-05-27T15:31:00.06
IV.PIEI.HHE. ML:2.0 0.00124 0.3 AML other m 2023-05-27T15:31:00.26
IV.PIEI.HNE. ML:2.0 0.001295 0.3 AML other m 2023-05-27T15:31:00.27
IV.PIEI.HHN. ML:1.8 0.0007330000000000001 0.66 AML other m 2023-05-27T15:31:01.05
IV.MURB.HHN. ML:2.3 0.00165 0.2 AML other m 2023-05-27T15:31:01.64
IV.MURB.HNN. ML:2.2 0.00149 0.18 AML other m 2023-05-27T15:31:01.64
IV.ATMI.HHN. ML:1.7 0.0003625 0.3 AML other m 2023-05-27T15:31:02.27
IV.FRON.EHN. ML:1.9 0.000572 0.54 AML other m 2023-05-27T15:31:02.13
IV.FRON.EHE. ML:1.6 0.000244 0.44 AML other m 2023-05-27T15:31:02.49
IV.MURB.HHE. ML:2.1 0.00123 1 AML other m 2023-05-27T15:31:02.68
IV.MURB.HNE. ML:2.0 0.0010075 1.02 AML other m 2023-05-27T15:31:02.70
IV.ATMI.HHE. ML:1.8 0.00047599999999999997 0.22 AML other m 2023-05-27T15:31:02.93
IV.SSFR.HNE. ML:2.3 0.001265 1.72 AML other m 2023-05-27T15:31:02.04
IV.SSFR.HHE. ML:2.3 0.00127 1.74 AML other m 2023-05-27T15:31:02.90
IV.NARO.HHE. ML:1.5 0.0002305 0.7 AML other m 2023-05-27T15:31:02.58
IV.SSFR.HHN. ML:2.2 0.0010220000000000001 0.86 AML other m 2023-05-27T15:31:03.89
IV.SSFR.HNN. ML:2.2 0.00108 0.6 AML other m 2023-05-27T15:31:03.46
IV.NARO.HHN. ML:1.3 0.0001425 0.92 AML other m 2023-05-27T15:31:04.97
IV.ATCC.EHN. ML:2.0 0.0005034999999999999 1.06 AML other m 2023-05-27T15:31:04.70
IV.ATCC.EHE. ML:2.1 0.0006025000000000001 0.92 AML other m 2023-05-27T15:31:05.74
IV.FOSV.EHN. ML:1.4 0.000157 0.56 AML other m 2023-05-27T15:31:05.69
IV.MPAG.EHN. ML:1.5 0.0001305 1.34 AML other m 2023-05-27T15:31:05.15
IV.MPAG.EHE. ML:1.3 0.0001015 0.24 AML other m 2023-05-27T15:31:06.15
IV.PARC.HHN. ML:1.6 0.0001885 0.18 AML other m 2023-05-27T15:31:06.83
IV.ARVD.HHE. ML:1.7 0.000182 1.46 AML other m 2023-05-27T15:31:06.26
IV.ARVD.HHN. ML:1.6 0.00014050000000000003 1.58 AML other m 2023-05-27T15:31:07.07
IV.SNTG.HHE. ML:1.6 0.000143 0.92 AML other m 2023-05-27T15:31:08.03
IV.SNTG.HHN. ML:1.7 0.0001705 0.2 AML other m 2023-05-27T15:31:08.02
IV.PARC.HHE. ML:1.5 0.0001285 0.82 AML other m 2023-05-27T15:31:08.25
IV.ASSB.HHE. ML:1.7 0.00015999999999999999 0.72 AML other m 2023-05-27T15:31:08.52
IV.FOSV.EHE. ML:1.3 0.00011015 0.4 AML other m 2023-05-27T15:31:09.27
IV.ASSB.HHN. ML:1.8 0.0002105 0.18 AML other m 2023-05-27T15:31:09.57
IV.CRE.HHE. ML:1.3 0.00005765 0.74 AML other m 2023-05-27T15:31:10.80
IV.EL6.EHE. ML:1.8 0.0001505 0.34 AML other m 2023-05-27T15:31:11.27
IV.CRE.HHN. ML:1.5 0.00008955000000000001 1.3 AML other m 2023-05-27T15:31:11.80
IV.EL6.EHN. ML:1.8 0.00016715 0.34 AML other m 2023-05-27T15:31:11.72
IV.MML1.EHE. ML:1.4 0.00006645 1.14 AML other m 2023-05-27T15:31:12.59
IV.MML1.EHN. ML:1.5 0.00008715 0.2 AML other m 2023-05-27T15:31:12.44
IV.CESI.HHN. ML:1.4 0.000058450000000000005 1.02 AML other m 2023-05-27T15:31:13.99
IV.CESI.HHE. ML:1.5 0.00006775000000000001 1.3 AML other m 2023-05-27T15:31:13.34
IV.CING.HHE. ML:1.4 0.00006165 1 AML other m 2023-05-27T15:31:14.87
IV.FDMO.HHE. ML:1.3 0.000033050000000000004 0.24 AML other m 2023-05-27T15:31:15.08
IV.CING.HHN. ML:1.4 0.00006075 0.52 AML other m 2023-05-27T15:31:15.36
IV.FDMO.HHN. ML:1.4 0.00004725 0.18 AML other m 2023-05-27T15:31:15.12
IV.CSP1.EHN. ML:1.9 0.0001295 0.94 AML other m 2023-05-27T15:31:17.11
IV.MGAB.HHE. ML:1.9 0.0001545 0.22 AML other m 2023-05-27T15:31:18.19
IV.MGAB.HHN. ML:2.0 0.0001955 0.24 AML other m 2023-05-27T15:31:18.20
IV.CSP1.EHE. ML:1.8 0.00012145 0.96 AML other m 2023-05-27T15:31:22.84
IV.BDI.HHN. ML:1.9 0.000027700000000000002 0.06 AML other m 2023-05-27T15:31:22.61
IV.BDI.HHE. ML:1.9 0.00003135 0.04 AML other m 2023-05-27T15:31:28.91
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