Earthquake with magnitude of ML 0.4 on date 28-04-2023 and time 14:18:49 (Italy) in region 5 km SE Pietralunga (PG)

A magnitude ML 0.4 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 28-04-2023 12:18:49 (UTC)
  • 28-04-2023 14:18:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4070, 12.4820 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.

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
Montone PG 13 1680 36007
Cantiano PU 14 2245 38252
Scheggia e Pascelupo PG 15 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)
49 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)
87 Km W of Ancona (100861 inhabitants)
93 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
Bulletin
Rev1000
ML 0.4 2023-04-28
12:18:49
43.4067 12.4823 7 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 118127151
Reviewed
Rev100
ML 0.5 2023-04-28
12:18:49
43.4008 12.4897 6 2023-04-28
12:34:27
Sala Sismica INGV-Roma 116835871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 12:18:49 ± 0.09
Latitude 43.4067 ± 0.0027
Longitude 12.4823 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118127151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 51
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 36
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) 0.29947
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116835871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 12:34:27

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 118127151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-05 13:42:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2023-04-28T12:19:14.15 3.0 undecidable manual P 1.89 0
IV.GUMA.HHZ. 2023-04-28T12:19:07.08 3.0 positive manual P 0.8 0
IV.CSNT.HHZ. 2023-04-28T12:19:01.17 3.0 positive manual P -1.34 0
IV.NARO.HHZ. 2023-04-28T12:18:57.79 0.3 undecidable manual S 19 23.9538 106 -0.43 67
IV.MURB.HHZ. 2023-04-28T12:18:56.00 0.3 undecidable manual S 168 16.2726 113 0.3 69
IV.PARC.HHE. 2023-04-28T12:18:56.00 0.1 undecidable manual P 324 33.2445 102 -0.35 89
IV.PIEI.HHZ. 2023-04-28T12:18:55.52 0.3 undecidable manual S 16 14.874 115 0.26 70
IV.NARO.HHZ. 2023-04-28T12:18:54.72 0.3 undecidable manual P 19 23.9538 106 0.17 70
IV.ATVA.EHE. 2023-04-28T12:18:54.07 0.1 undecidable manual P 228 21.3675 108 0.03 97
IV.TSM5.DHN. 2023-04-28T12:18:54.96 0.6 undecidable manual S 50 12.5763 119 0.41 45
IV.ATLO.EHE. 2023-04-28T12:18:54.41 0.6 undecidable manual S 211 11.7771 120 0.1 49
IV.ATBU.EHZ. 2023-04-28T12:18:54.03 0.6 undecidable manual S 35 9.2796 127 0.45 45
IV.TSM3.DHE. 2023-04-28T12:18:54.11 0.6 undecidable manual S 256 10.5783 123 0.18 48
IV.ATMC.EHE. 2023-04-28T12:18:54.19 0.3 undecidable manual P 281 23.754 106 -0.31 68
IV.TB02.DHZ. 2023-04-28T12:18:53.19 0.6 undecidable manual S 236 7.0929 134 0.19 48
IV.ATPC.HHE. 2023-04-28T12:18:53.79 0.6 undecidable manual S 346 8.4804 129 0.44 45
IV.MURB.HHZ. 2023-04-28T12:18:53.10 0.3 undecidable manual P 168 16.2726 113 0 74
IV.ATFO.HHN. 2023-04-28T12:18:53.20 0.6 undecidable manual S 122 8.4804 129 -0.15 48
IV.ATPI.EHZ. 2023-04-28T12:18:53.37 0.1 undecidable manual S 307 8.0808 131 0.12 97
IT.UMBT.HGZ. 2023-04-28T12:18:53.40 0.6 undecidable manual P 225 15.9729 113 0.36 46
IV.ATVO.HHN. 2023-04-28T12:18:52.92 0.6 undecidable manual S 246 6.6933 136 0.03 50
IV.TSM3.DHE. 2023-04-28T12:18:52.14 0.1 undecidable manual P 256 10.5783 123 0.06 98
IV.TSM6.DH1. 2023-04-28T12:18:52.77 0.1 undecidable manual P 301 14.0748 116 0.07 97
IV.TB01.DHZ. 2023-04-28T12:18:52.46 0.6 undecidable manual S 233 4.6953 146 0.01 50
IV.TSM1.DHE. 2023-04-28T12:18:52.13 0.1 undecidable manual P 126 11.4774 121 -0.12 97
IV.PIEI.HHZ. 2023-04-28T12:18:52.88 0.1 undecidable manual P 16 14.874 115 0.03 98
IV.TSM5.DHN. 2023-04-28T12:18:52.45 0.1 undecidable manual P 50 12.5763 119 0.01 99
IV.ATLO.EHE. 2023-04-28T12:18:52.38 0.1 undecidable manual P 211 11.7771 120 0.08 98
IV.TB03.DH1. 2023-04-28T12:18:52.54 0.6 undecidable manual S 264 5.7942 140 -0.16 49
IV.ATBU.EHZ. 2023-04-28T12:18:52.03 0.1 undecidable manual P 35 9.2796 127 0.15 97
IV.ATPC.HHE. 2023-04-28T12:18:51.39 0.1 undecidable manual P 346 8.4804 129 -0.35 93
IV.TB03.DH1. 2023-04-28T12:18:51.32 0.1 undecidable manual P 264 5.7942 140 -0.05 99
IV.ATFO.HHN. 2023-04-28T12:18:51.64 0.1 undecidable manual P 122 8.4804 129 -0.1 98
IV.ATPI.EHZ. 2023-04-28T12:18:51.78 0.1 undecidable manual P 307 8.0808 131 0.1 98
IV.ATVO.HHN. 2023-04-28T12:18:51.47 0.1 undecidable manual P 246 6.6933 136 -0.01 100
IV.TB02.DHZ. 2023-04-28T12:18:51.49 0.1 undecidable manual P 236 7.0929 134 -0.05 99
IV.TSM2.DHN.01 2023-04-28T12:18:51.50 0.3 undecidable manual S 152 1.2987 169 -0.5 68
IV.TB01.DHZ. 2023-04-28T12:18:51.25 0.1 undecidable manual P 233 4.6953 146 0.02 100
IV.TSM2.DHN.01 2023-04-28T12:18:50.71 0.1 undecidable manual P 152 1.2987 169 -0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.4 0.00005025 0.5 AML other m 2023-04-28T12:18:53.68
IV.ATPI.EHE. ML:0.3 0.00003485 0.4 AML other m 2023-04-28T12:18:53.70
IV.PIEI.HHN. ML:0.3 0.000021150000000000002 0.94 AML other m 2023-04-28T12:18:56.66
IV.PIEI.HHE. ML:0.5 0.000037 1.34 AML other m 2023-04-28T12:18:56.00
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