Earthquake with magnitude of ML 0.8 on date 05-04-2023 and time 17:42:41 (Italy) in region 4 km E Nocera Umbra (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km E Nocera Umbra (PG), on

  • 05-04-2023 15:42:41 (UTC)
  • 05-04-2023 17:42:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0960, 12.8310 at 10 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
Nocera Umbra PG 4 5839 5839
Valtopina PG 7 1398 7237
Serravalle di Chienti MC 10 1070 8307
Sefro MC 11 422 8729
Fiuminata MC 13 1402 10131
Pioraco MC 16 1134 11265
Gualdo Tadino PG 16 15208 26473
Spello PG 17 8645 35118
Muccia MC 17 915 36033
Assisi PG 18 28299 64332
Monte Cavallo MC 18 145 64477
Foligno PG 19 57155 121632
Pieve Torina MC 19 1458 123090
Camerino MC 20 6974 130064
Esanatoglia MC 20 2034 132098
Valfabbrica PG 20 3389 135487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
61 Km N of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
85 Km S of Fano (60888 inhabitants)
86 Km NW of Teramo (54892 inhabitants)
87 Km E of Arezzo (99543 inhabitants)
91 Km S of Pesaro (94582 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
96 Km NE of Viterbo (67173 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
15:42:41
43.0957 12.8313 10 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117284411
Reviewed
Rev100
ML 0.4 2023-04-05
15:42:42
43.0865 12.8358 6 2023-04-05
16:00:59
Sala Sismica INGV-Roma 116093881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-05 15:42:41 ± 0.1
Latitude 43.0957 ± 0.0045
Longitude 12.8313 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117284411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 438
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 116093881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-05 16:00:59

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 117284411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-12 11:06:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2023-04-05T15:44:38.35 3.0 undecidable manual Sg 20.83 0
IV.TDS.HHZ. 2023-04-05T15:44:30.87 3.0 undecidable manual Sn -2.46 0
GU.PZZ.HHZ. 2023-04-05T15:44:26.96 3.0 undecidable manual Sn -1.1 0
HL.VLS.HHZ. 2023-04-05T15:44:24.25 3.0 undecidable manual Pn 4.03 0
GU.RORO.HHZ. 2023-04-05T15:44:23.70 3.0 undecidable manual Sg 12.89 0
SL.KOGS.BHZ. 2023-04-05T15:44:12.27 3.0 undecidable manual Sg 16.84 0
IV.SNAL.HHZ. 2023-04-05T15:44:10.95 3.0 undecidable manual Sg 14.54 0
IV.ENIC.HHZ. 2023-04-05T15:44:03.33 3.0 undecidable manual Pn 3.79 0
IV.MCRV.HHZ. 2023-04-05T15:44:00.29 3.0 undecidable manual Sn 0.96 0
IV.SELL.HHZ. 2023-04-05T15:43:59.80 3.0 undecidable manual Pg 12.69 0
CR.STON.BHZ. 2023-04-05T15:43:59.74 3.0 undecidable manual Sn 2.71 0
IV.ZEN8.EHZ. 2023-04-05T15:43:45.03 3.0 undecidable manual Sg 5.8 0
IV.SPS2.HHZ. 2023-04-05T15:43:43.64 3.0 negative manual Pn 1.66 0
GU.CANO.HHZ. 2023-04-05T15:43:37.48 3.0 undecidable manual Pg 14.37 0
IV.PABO.HHZ. 2023-04-05T15:43:31.78 3.0 undecidable manual Sn -0.44 0
GU.RORO.HHZ. 2023-04-05T15:43:29.98 3.0 undecidable manual Pn 5.23 0
IV.BDI.HHZ. 2023-04-05T15:43:25.14 3.0 undecidable manual Sg -1.1 0
IV.CSNT.HHZ. 2023-04-05T15:43:23.74 3.0 undecidable manual Sg 8.18 0
GU.CARD.HHZ. 2023-04-05T15:43:21.51 3.0 undecidable manual Sn -6.69 0
IV.MTRZ.HNZ. 2023-04-05T15:43:13.37 3.0 undecidable manual Sg 0.64 0
OX.MPRI.HHZ. 2023-04-05T15:43:08.94 3.0 undecidable manual Pg 5.02 0
7F.SIB1.EHE. 2023-04-05T15:42:55.68 0.3 undecidable manual S 122 42.0246 50 0.03 74
IV.NRCA.HHZ. 2023-04-05T15:42:54.08 0.3 undecidable manual S 142 37.0296 50 -0.25 71
IV.NRCA.HHZ. 2023-04-05T15:42:49.06 0.6 undecidable manual P 142 37.0296 50 0.04 50
IV.SNTG.HHZ. 2023-04-05T15:42:49.20 0.3 undecidable manual S 27 19.7691 117 -0.28 73
7F.SIB1.EHE. 2023-04-05T15:42:49.83 0.1 undecidable manual P 122 42.0246 50 0.05 98
IV.VMGN.HHZ. 2023-04-05T15:42:49.02 3.0 undecidable manual Pn -1.35 0
IV.MTRZ.HNZ. 2023-04-05T15:42:48.47 3.0 undecidable manual P -3.65 0
IV.ASSB.HHZ. 2023-04-05T15:42:47.86 0.3 undecidable manual S 247 15.1737 124 -0.25 74
IV.CESI.HHZ. 2023-04-05T15:42:47.02 0.3 undecidable manual S 149 11.6772 131 -0.12 76
IV.MML1.EHZ. 2023-04-05T15:42:47.05 0.3 undecidable manual S 80 11.5773 131 -0.05 78
IV.SNTG.HHZ. 2023-04-05T15:42:46.53 1.0 undecidable manual P 27 19.7691 117 0.31 24
IV.CESI.HHZ. 2023-04-05T15:42:45.03 0.3 undecidable manual P 149 11.6772 131 0.16 76
IV.MML1.EHZ. 2023-04-05T15:42:45.07 0.1 undecidable manual P 80 11.5773 131 0.22 100
IV.ASSB.HHZ. 2023-04-05T15:42:45.70 0.3 undecidable manual P 247 15.1737 124 0.27 74
IV.BRIS.HHZ. 2023-04-05T15:42:45.94 3.0 undecidable manual P -2.61 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:1.0 0.0001033 0.12 AML other m 2023-04-05T15:42:47.18
IV.MML1.EHE. ML:0.6 0.0000494 0.68 AML other m 2023-04-05T15:42:47.25
GU.PZZ.HHE. ML:3.0 0.00003595 1.08 AML other m 2023-04-05T15:44:27.38
IV.CESI.HHE. ML:0.4 0.00002989242 2.3808 AML other m 2023-04-05T15:42:47.28
IV.CESI.HHN. ML:0.1 0.000017404524999999997 2.2912 AML other m 2023-04-05T15:42:48.04
IV.CESI.HNN. ML:0.9 0.00009016712499999998 1.8432 AML other m 2023-04-05T15:42:47.81
IV.MML1.HNE. ML:1.0 0.00012153435 1.5744 AML other m 2023-04-05T15:42:48.33
IV.SNTG.HHE. ML:0.8 0.000044337775 2.304 AML other m 2023-04-05T15:42:48.86
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