Earthquake with magnitude of ML 0.8 on date 05-04-2023 and time 09:55:11 (Italy) in region 7 km SE Pietralunga (PG)

A magnitude ML 0.8 earthquake occured in region: 7 km SE Pietralunga (PG), on

  • 05-04-2023 07:55:11 (UTC)
  • 05-04-2023 09:55:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3960, 12.4900 at 5 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 7 2111 2111
Gubbio PG 9 32216 34327
Montone PG 14 1680 36007
Cantiano PU 14 2245 38252
Scheggia e Pascelupo PG 15 1393 39645
Umbertide PG 16 16681 56326
Costacciaro PG 18 1216 57542
Apecchio PU 19 1882 59424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Perugia (166134 inhabitants)
50 Km E of Arezzo (99543 inhabitants)
52 Km NW of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
74 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
94 Km N of Terni (111501 inhabitants)
94 Km E of Siena (53903 inhabitants)
99 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 0.8 2023-04-05
07:55:11
43.3957 12.4905 5 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117282581
Reviewed
Rev100
ML 0.9 2023-04-05
07:55:10
43.3942 12.4892 7 2023-04-05
08:17:49
Sala Sismica INGV-Roma 116084401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-05 07:55:11 ± 0.11
Latitude 43.3957 ± 0.0027
Longitude 12.4905 ± 0.0037
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117282581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 119
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 332
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22483
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 117282581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-12 10:27:27

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 116084401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-05 08:17:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTTG.HHZ. 2023-04-05T07:56:48.19 3.0 negative manual Pg 14.96 0
CH.MUGIO.HHZ. 2023-04-05T07:56:39.21 3.0 undecidable manual Sg 10.94 0
IV.CMPR.HHZ. 2023-04-05T07:56:03.17 3.0 undecidable manual Pn -1.24 0
IV.PAOL.HNZ. 2023-04-05T07:55:52.90 3.0 undecidable manual Pn 0.92 0
IV.GATE.HHZ. 2023-04-05T07:55:48.36 3.0 negative manual Pn -1.53 0
IV.LRP.EHZ. 2023-04-05T07:55:40.18 3.0 positive manual Pn 1.18 0
IV.IMOL.HNZ. 2023-04-05T07:55:34.42 3.0 undecidable manual S -0.01 0
IV.FAGN.HHZ. 2023-04-05T07:55:31.98 3.0 positive manual Pn -0.85 0
IV.RM33.HNZ. 2023-04-05T07:55:29.28 3.0 undecidable manual P 1.47 0
IV.FRON.EHZ. 2023-04-05T07:55:19.50 0.3 undecidable manual S 54 23.2545 102 0 73
IV.NARO.HHZ. 2023-04-05T07:55:19.60 0.3 undecidable manual S 17 24.9528 101 -0.47 66
IV.SSFR.HHZ. 2023-04-05T07:55:19.50 0.3 undecidable manual S 79 23.9538 102 -0.22 70
IV.PIEI.HHZ. 2023-04-05T07:55:17.40 0.1 undecidable manual S 13 15.9729 107 0.36 91
IV.ATSC.EHE. 2023-04-05T07:55:17.50 0.1 undecidable manual S 79 16.0728 107 0.41 90
IV.ATPC.HHE. 2023-04-05T07:55:15.30 0.1 undecidable manual S 344 9.7791 117 0.24 95
IV.NARO.HHZ. 2023-04-05T07:55:15.83 0.3 undecidable manual P 17 24.9528 101 -0.51 65
IV.SSFR.HHZ. 2023-04-05T07:55:15.82 0.3 undecidable manual P 79 23.9538 102 -0.32 68
IV.ATBU.EHZ. 2023-04-05T07:55:15.60 0.3 undecidable manual S 28 9.9789 117 0.47 68
IV.FRON.EHZ. 2023-04-05T07:55:15.73 0.3 undecidable manual P 54 23.2545 102 -0.28 69
IV.TSM3.DH2.07 2023-04-05T07:55:15.60 0.1 undecidable manual S 263 10.9779 115 0.17 96
IV.ATLO.EHE. 2023-04-05T07:55:15.70 0.3 undecidable manual S 217 11.1777 114 0.21 71
IV.ATVO.HHZ. 2023-04-05T07:55:14.10 0.1 undecidable manual S 257 6.8931 126 -0.11 98
IV.PIEI.HHZ. 2023-04-05T07:55:14.60 0.1 undecidable manual P 13 15.9729 107 0.01 98
IV.ATSC.EHE. 2023-04-05T07:55:14.61 0.3 undecidable manual P 79 16.0728 107 -0.01 74
IV.TB02.DHZ.01 2023-04-05T07:55:14.40 0.1 undecidable manual S 247 7.0929 125 0.14 97
IV.ATPI.EHZ. 2023-04-05T07:55:14.80 0.1 undecidable manual S 311 9.3795 118 -0.13 97
IV.ATFO.HHZ. 2023-04-05T07:55:14.40 0.3 undecidable manual S 116 7.2927 124 0.09 74
IV.TRIF.CHZ. 2023-04-05T07:55:14.73 3.0 undecidable manual P -0.04 0
IV.TSM3.DH2.07 2023-04-05T07:55:13.62 0.1 undecidable manual P 263 10.9779 115 -0.04 99
IV.ATFO.HHZ. 2023-04-05T07:55:13.11 0.3 undecidable manual P 116 7.2927 124 0.1 73
IV.ATBU.EHZ. 2023-04-05T07:55:13.65 0.1 undecidable manual P 28 9.9789 117 0.17 96
IV.ATPC.HHE. 2023-04-05T07:55:13.49 0.1 undecidable manual P 344 9.7791 117 0.04 99
IV.ATLO.EHE. 2023-04-05T07:55:13.81 0.1 undecidable manual P 217 11.1777 114 0.12 97
IV.TB01.DHZ.01 2023-04-05T07:55:13.60 0.3 undecidable manual S 251 4.6953 137 -0.02 75
IV.ATPI.EHZ. 2023-04-05T07:55:13.29 0.1 undecidable manual P 311 9.3795 118 -0.08 98
IV.TB03.DHZ.01 2023-04-05T07:55:12.80 0.1 undecidable manual P 276 6.4935 128 -0.08 98
IV.TSM2.DHN.01 2023-04-05T07:55:12.50 0.3 undecidable manual S 324 0.0999 179 -0.48 69
IV.TSM2.DHN.01 2023-04-05T07:55:12.04 0.1 undecidable manual P 324 0.0999 179 -0.2 97
IV.ATVO.HHZ. 2023-04-05T07:55:12.94 0.1 positive manual P 257 6.8931 126 -0.01 100
IV.TB02.DHZ.01 2023-04-05T07:55:12.98 0.1 undecidable manual P 247 7.0929 125 0 100
IV.TB01.DHZ.01 2023-04-05T07:55:12.63 0.1 undecidable manual P 251 4.6953 137 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.0 0.00020600000000000002 0.16 AML other m 2023-04-05T07:55:14.32
IV.ATVO.HHE. ML:0.0 0.0002125 0.38 AML other m 2023-04-05T07:55:14.42
IV.ATPI.EHN. ML:0.0 0.00009984999999999999 1.6 AML other m 2023-04-05T07:55:14.17
IV.ATPI.EHE. ML:0.0 0.00007395000000000001 0.46 AML other m 2023-04-05T07:55:15.02
IV.PIEI.HHE. ML:0.0 0.00008795 0.18 AML other m 2023-04-05T07:55:17.89
IV.PIEI.HHN. ML:0.0 0.00007235 1.32 AML other m 2023-04-05T07:55:18.88
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