Earthquake with magnitude of ML 1.1 on date 28-05-2023 and time 10:38:03 (Italy) in region 5 km SE Pietralunga (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 28-05-2023 08:38:03 (UTC)
  • 28-05-2023 10:38:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4190, 12.4870 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
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
Piobbico PU 19 2029 60237
Cagli PU 19 8731 68968
Costacciaro PG 19 1216 70184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 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)
82 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)
96 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 1.1 2023-05-28
08:38:03
43.4192 12.487 9 2023-05-28
08:47:37
Sala Sismica INGV-Roma 117808161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 08:38:03 ± 0.09
Latitude 43.4192 ± 0.0036
Longitude 12.4870 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117808161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 437
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58096
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 117808161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 08:47:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2023-05-28T08:38:33.89 3.0 undecidable manual S -0.25 0
IV.CESX.HHZ. 2023-05-28T08:38:28.86 3.0 undecidable manual S -2.61 0
IV.CIMA.HNZ. 2023-05-28T08:38:20.66 3.0 negative manual P -0.02 0
IV.FDMO.HHZ. 2023-05-28T08:38:14.81 0.1 undecidable manual P 131 64.491 50 -0.54 83
IV.CAFI.HHZ. 2023-05-28T08:38:12.21 0.1 undecidable manual P 257 43.1235 50 0.15 94
IV.SSFR.HHZ. 2023-05-28T08:38:12.65 0.1 undecidable manual S 85 23.8539 110 0.09 99
IV.MURB.HHZ. 2023-05-28T08:38:11.16 0.1 undecidable manual S 170 17.5713 117 0.61 88
IV.ARVD.HHZ. 2023-05-28T08:38:11.37 0.6 undecidable manual P 76 37.629 50 0.16 48
IV.ATMI.HHZ. 2023-05-28T08:38:11.38 0.1 undecidable manual S 242 19.9689 114 0.06 100
IV.NARO.HHZ. 2023-05-28T08:38:11.95 0.1 undecidable manual S 19 22.5552 112 -0.19 97
IV.MPAG.EHZ. 2023-05-28T08:38:10.22 1.0 undecidable manual P 43 32.0457 50 -0.12 24
IV.PIEI.HHZ. 2023-05-28T08:38:09.68 0.1 undecidable manual S 17 13.4754 123 0.35 95
IV.SSFR.HHZ. 2023-05-28T08:38:08.80 0.3 negative manual P 85 23.8539 110 -0.02 75
IV.NARO.HHZ. 2023-05-28T08:38:08.53 0.6 positive manual P 19 22.5552 112 -0.05 50
IV.ATVO.HHZ. 2023-05-28T08:38:07.45 0.3 undecidable manual S 238 7.6812 139 -0.35 72
IV.PIEI.HHZ. 2023-05-28T08:38:07.23 0.3 undecidable manual P 17 13.4754 123 0.27 73
IV.ATPI.EHZ. 2023-05-28T08:38:07.62 0.1 undecidable manual S 297 7.6812 139 -0.18 100
IV.MURB.HHZ. 2023-05-28T08:38:07.85 0.6 undecidable manual P 170 17.5713 117 0.19 49
IV.ATFO.HHZ. 2023-05-28T08:38:07.71 0.1 undecidable manual S 130 8.9799 135 -0.39 95
IV.ATMI.HHZ. 2023-05-28T08:38:07.96 1.0 negative manual P 242 19.9689 114 -0.14 25
IV.ATVO.HHZ. 2023-05-28T08:38:06.09 0.3 positive manual P 238 7.6812 139 0.02 77
IV.ATPI.EHZ. 2023-05-28T08:38:06.15 0.6 undecidable manual P 297 7.6812 139 0.08 51
IV.ATFO.HHZ. 2023-05-28T08:38:06.18 0.3 positive manual P 130 8.9799 135 -0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:1.2 0.0002465 0.4 AML other m 2023-05-28T08:38:07.60
IV.ATVO.HHN. ML:1.2 0.00023449999999999998 0.14 AML other m 2023-05-28T08:38:07.62
IV.ATPI.EHN. ML:1.2 0.00027100000000000003 0.16 AML other m 2023-05-28T08:38:07.77
IV.ATFO.HHN. ML:1.2 0.00020999999999999998 0.44 AML other m 2023-05-28T08:38:08.24
IV.ATFO.HHE. ML:1.2 0.00020600000000000002 0.7 AML other m 2023-05-28T08:38:08.13
IV.ATPI.EHE. ML:1.1 0.0002205 0.4 AML other m 2023-05-28T08:38:08.09
IV.PIEI.HHN. ML:1.1 0.000135 0.16 AML other m 2023-05-28T08:38:10.10
IV.PIEI.HHE. ML:1.3 0.0002175 0.42 AML other m 2023-05-28T08:38:10.20
IV.MURB.HHN. ML:1.2 0.000133 0.8 AML other m 2023-05-28T08:38:12.06
IV.NARO.HHE. ML:1.0 0.0000733 0.06 AML other m 2023-05-28T08:38:12.38
IV.SSFR.HHE. ML:1.5 0.000203 1.76 AML other m 2023-05-28T08:38:12.98
IV.NARO.HHN. ML:0.8 0.000042800000000000004 0.64 AML other m 2023-05-28T08:38:13.38
IV.SSFR.HHN. ML:1.3 0.0001235 1.38 AML other m 2023-05-28T08:38:13.23
IV.MURB.HHE. ML:1.1 0.0001161 0.64 AML other m 2023-05-28T08:38:14.33
IV.MPAG.EHN. ML:0.6 0.00002045 0.24 AML other m 2023-05-28T08:38:15.40
IV.ARVD.HHE. ML:0.8 0.00002455 0.52 AML other m 2023-05-28T08:38:17.35
IV.ARVD.HHN. ML:0.7 0.000021850000000000003 1.58 AML other m 2023-05-28T08:38:17.96
IV.MPAG.EHE. ML:0.6 0.0000223 0.48 AML other m 2023-05-28T08:38:18.49
IV.OSSC.HHN. ML:1.0 0.00001245 0.64 AML other m 2023-05-28T08:38:20.38
IV.OSSC.HHE. ML:1.2 0.00001735 0.68 AML other m 2023-05-28T08:38:42.88
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