Earthquake with magnitude of ML 1.7 on date 18-05-2023 and time 17:18:18 (Italy) in region 5 km N Pietralunga (PG)

A magnitude ML 1.7 earthquake occured in region: 5 km N Pietralunga (PG), on

  • 18-05-2023 15:18:18 (UTC)
  • 18-05-2023 17:18:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4850, 12.4260 at 9 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.

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 14 2029 6022
CittĂ  di Castello PG 15 39913 45935
Montone PG 16 1680 47615
Cantiano PU 16 2245 49860
Gubbio PG 19 32216 82076
Cagli PU 19 8731 90807
Mercatello sul Metauro PU 20 1378 92185

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
62 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 SE of Forlì (117913 inhabitants)
89 Km W of Ancona (100861 inhabitants)
90 Km E of Siena (53903 inhabitants)
99 Km SE of Faenza (58541 inhabitants)
99 Km E of Firenze (382808 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 1.7 2023-05-18
15:18:18
43.4853 12.4255 9 2023-05-18
16:08:51
Sala Sismica INGV-Roma 117456421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-18 15:18:18 ± 0.04
Latitude 43.4853 ± 0.0018
Longitude 12.4255 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117456421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 219
Semi-minor axis of confidence ellipse (meter) 65
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61604
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 24
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 117456421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-18 16:08:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2023-05-18T15:20:08.05 3.0 undecidable manual Sn 0.05 0
IV.GRIS.EHZ. 2023-05-18T15:20:05.52 3.0 undecidable manual Sg -2.78 0
IV.VARE.HHZ. 2023-05-18T15:19:59.94 3.0 undecidable manual Sn 1.22 0
IX.STN3.EHZ.02 2023-05-18T15:19:51.56 3.0 undecidable manual Sg 1.11 0
1J.FX14.HHZ.00 2023-05-18T15:19:45.66 3.0 undecidable manual Pg 5.2 0
IV.ESML.HHZ. 2023-05-18T15:19:29.52 3.0 negative manual Pn -9.99 0
IV.PLLN.EHZ. 2023-05-18T15:19:29.31 3.0 positive manual Pn -4.41 0
IV.SACR.HHZ. 2023-05-18T15:19:12.85 3.0 undecidable manual Sg -9.99 0
GU.RNCA.HHZ. 2023-05-18T15:19:06.47 3.0 negative manual Pg 5.54 0
RD.PGF.BHZ. 2023-05-18T15:18:59.34 3.0 positive manual Pn 0.86 0
IV.OSSC.HHZ. 2023-05-18T15:18:57.60 3.0 undecidable manual S 6.25 0
IV.MGAB.HHZ. 2023-05-18T15:18:30.41 0.1 undecidable manual P 202 68.376 50 0.19 86
IV.MML1.HNZ. 2023-05-18T15:18:29.00 0.3 undecidable manual P 133 60.3951 50 0.02 68
TV.SF11.HHZ. 2023-05-18T15:18:28.35 3.0 undecidable manual P -2.04 0
IV.ASSB.HHZ. 2023-05-18T15:18:27.89 0.1 undecidable manual P 159 52.6029 50 0.11 90
IV.FRON.EHZ. 2023-05-18T15:18:26.88 0.3 undecidable manual S 81 24.4533 111 -0.19 70
IV.CRE.HHZ. 2023-05-18T15:18:25.95 0.1 undecidable manual P 291 40.9257 50 -0.03 94
IV.ATCC.EHZ. 2023-05-18T15:18:25.53 0.3 undecidable manual P 152 37.5291 50 0.07 70
IV.CAFI.HHZ. 2023-05-18T15:18:25.84 0.1 undecidable manual P 245 40.8258 50 -0.13 92
IV.ATLO.HNZ. 2023-05-18T15:18:25.17 0.3 undecidable manual S 184 18.9699 116 -0.15 71
IV.NARO.HHZ. 2023-05-18T15:18:25.05 0.1 undecidable manual S 42 18.6702 116 -0.19 94
IV.MPAG.EHZ. 2023-05-18T15:18:24.28 0.1 undecidable manual P 59 31.2465 50 -0.21 92
IV.TSM5.DHZ.01 2023-05-18T15:18:24.21 0.3 undecidable manual S 92 14.2746 123 0.31 70
IV.BADI.EHZ. 2023-05-18T15:18:24.02 0.1 undecidable manual S 281 14.874 122 -0.05 98
IV.ATFO.HHZ. 2023-05-18T15:18:24.82 0.3 undecidable manual S 138 17.6712 118 -0.1 72
IV.FRON.EHZ. 2023-05-18T15:18:23.08 0.1 undecidable manual P 81 24.4533 111 -0.17 94
IV.PARC.HHZ. 2023-05-18T15:18:23.13 0.1 undecidable manual P 320 23.5542 111 0.05 96
IV.ATVO.HHZ. 2023-05-18T15:18:23.08 0.1 undecidable manual S 188 11.5773 129 -0.06 98
IV.SSFR.HHZ. 2023-05-18T15:18:23.83 0.1 undecidable manual P 101 29.2485 107 -0.33 90
IV.ATBU.EHZ. 2023-05-18T15:18:23.11 0.3 undecidable manual S 96 9.9789 133 0.4 69
IV.MURB.HHZ. 2023-05-18T15:18:23.59 0.1 undecidable manual P 162 25.9518 110 0.06 96
IV.ATLO.HNZ. 2023-05-18T15:18:22.23 0.3 undecidable manual P 184 18.9699 116 0 73
IV.NARO.HHZ. 2023-05-18T15:18:22.10 0.1 undecidable manual P 42 18.6702 116 -0.09 96
IV.ATSC.EHZ. 2023-05-18T15:18:22.80 0.3 undecidable manual P 108 22.0668 113 -0.01 73
IV.ATMI.HHZ. 2023-05-18T15:18:22.57 0.1 undecidable manual P 217 21.0678 114 -0.04 97
IV.TSM2.DHZ.01 2023-05-18T15:18:22.85 0.3 undecidable manual S 152 11.1777 130 -0.18 72
IV.APEC.HHZ. 2023-05-18T15:18:22.32 0.1 undecidable manual S 357 8.0808 139 0.04 99
IV.ATBU.EHZ. 2023-05-18T15:18:21.05 0.1 undecidable manual P 96 9.9789 133 0.32 93
IV.ATFO.HHZ. 2023-05-18T15:18:21.99 0.1 undecidable manual P 138 17.6712 118 -0.01 98
IV.TB01.DHZ.01 2023-05-18T15:18:21.07 0.1 undecidable manual P 176 11.5773 129 0.1 97
IV.ATPI.EHZ. 2023-05-18T15:18:21.25 0.1 undecidable manual S 206 4.2957 155 -0.28 95
IV.ATVO.HHZ. 2023-05-18T15:18:21.12 0.1 undecidable manual P 188 11.5773 129 0.15 96
IV.TSM5.DHZ.01 2023-05-18T15:18:21.62 0.3 undecidable manual P 92 14.2746 123 0.21 71
IV.BADI.EHZ. 2023-05-18T15:18:21.65 0.1 undecidable manual P 281 14.874 122 0.14 96
IV.TSM2.DHZ.01 2023-05-18T15:18:20.94 0.3 undecidable manual P 152 11.1777 130 0.03 74
IV.APEC.HHZ. 2023-05-18T15:18:20.67 0.3 undecidable manual P 357 8.0808 139 0.2 72
IV.ATPI.EHZ. 2023-05-18T15:18:20.07 0.1 undecidable manual P 206 4.2957 155 0.02 100
IV.ARRO.EHZ. 2023-05-18T15:18:18.12 3.0 negative manual P -9.36 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.HNE. ML:1.7 0.00099315665 0.1664 AML other m 2023-05-18T15:18:21.32
IV.ATPI.EHE. ML:1.7 0.0009503464 0.1536 AML other m 2023-05-18T15:18:21.33
IV.ATPI.HNN. ML:1.6 0.0007075776999999999 0.1792 AML other m 2023-05-18T15:18:21.49
IV.ATPI.EHN. ML:1.5 0.00068841685 0.1792 AML other m 2023-05-18T15:18:21.49
IV.APEC.HHN. ML:1.9 0.001159986 0.128 AML other m 2023-05-18T15:18:22.40
IV.APEC.HHE. ML:2.0 0.001674044 0.1408 AML other m 2023-05-18T15:18:22.59
IV.ATVO.HHE. ML:1.8 0.000776 0.18 AML other m 2023-05-18T15:18:23.32
IV.ATVO.HHN. ML:1.6 0.0004273687 0.2432 AML other m 2023-05-18T15:18:23.73
IV.BADI.EHN. ML:1.7 0.00054005565 0.1408 AML other m 2023-05-18T15:18:24.55
IV.BADI.EHE. ML:1.6 0.0004451609 0.1024 AML other m 2023-05-18T15:18:24.42
IV.NARO.HHN. ML:1.4 0.00019069015 0.0512 AML other m 2023-05-18T15:18:25.24
IV.NARO.HHE. ML:1.5 0.00024863025 0.064 AML other m 2023-05-18T15:18:25.68
IV.ATMI.HHE. ML:1.6 0.00030927274999999996 0.2688 AML other m 2023-05-18T15:18:26.11
IV.ATMI.HHN. ML:1.4 0.00019684145 0.2048 AML other m 2023-05-18T15:18:27.11
IV.SSFR.HHN. ML:1.6 0.0001915 0.12 AML other m 2023-05-18T15:18:28.89
IV.SSFR.HHE. ML:1.6 0.000215 0.18 AML other m 2023-05-18T15:18:29.26
IV.SSFR.HNE. ML:1.5 0.00017522124999999999 0.1536 AML other m 2023-05-18T15:18:29.73
IV.SSFR.HNN. ML:1.7 0.00024180489999999999 0.1152 AML other m 2023-05-18T15:18:28.83
IV.MGAB.HHE. ML:1.5 0.00005695 0.46 AML other m 2023-05-18T15:18:43.59
IV.MGAB.HHN. ML:1.5 0.000053549100000000005 0.5504 AML other m 2023-05-18T15:18:42.91
IV.APEC.HNE. ML:1.8 0.0009996954 0.128 AML other m 2023-05-18T15:18:22.41
IV.APEC.HNN. ML:2.1 0.001775541 0.128 AML other m 2023-05-18T15:18:22.60
IV.ATVO.HNE. ML:1.8 0.0007624999999999887 0.1792 AML other m 2023-05-18T15:18:23.24
IV.ATVO.HNN. ML:1.5 0.00039224999999999 0.1536 AML other m 2023-05-18T15:18:23.85
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