Earthquake with magnitude of ML 0.6 on date 01-04-2023 and time 19:04:03 (Italy) in region 7 km E Nocera Umbra (PG)

A magnitude ML 0.6 earthquake occured in region: 7 km E Nocera Umbra (PG), on

  • 01-04-2023 17:04:03 (UTC)
  • 01-04-2023 19:04:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0890, 12.8650 at 9 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 7 5839 5839
Serravalle di Chienti MC 7 1070 6909
Sefro MC 10 422 7331
Valtopina PG 10 1398 8729
Fiuminata MC 13 1402 10131
Pioraco MC 14 1134 11265
Muccia MC 15 915 12180
Monte Cavallo MC 15 145 12325
Pieve Torina MC 16 1458 13783
Gualdo Tadino PG 17 15208 28991
Camerino MC 17 6974 35965
Pievebovigliana MC 18 866 36831
Spello PG 19 8645 45476
Fiordimonte MC 19 202 45678
Esanatoglia MC 19 2034 47712
Foligno PG 20 57155 104867

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
61 Km N of Terni (111501 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
83 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
90 Km E of Arezzo (99543 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
93 Km NW of L'Aquila (69753 inhabitants)
97 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 0.6 2023-04-01
17:04:03
43.0887 12.8653 9 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116607601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-01 17:04:03 ± 0.11
Latitude 43.0887 ± 0.0027
Longitude 12.8653 ± 0.0025
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116607601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 289
Semi-minor axis of confidence ellipse (meter) 86
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.24731
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 116607601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-22 10:45:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-04-01T17:04:13.10 0.3 undecidable manual S 89 27.4503 109 -0.08 73
IV.FOSV.HNE. 2023-04-01T17:04:12.01 0.3 undecidable manual S 340 24.3534 111 -0.15 72
IV.ATCC.EHZ. 2023-04-01T17:04:11.25 0.3 undecidable manual S 300 21.1677 114 0.12 73
IV.SNTG.HHZ. 2023-04-01T17:04:10.36 0.3 undecidable manual S 18 19.4694 116 -0.22 72
IV.FDMO.HHZ. 2023-04-01T17:04:10.29 0.6 undecidable manual S 108 18.87 116 -0.13 49
IV.ASSB.HHZ. 2023-04-01T17:04:09.84 0.6 undecidable manual S 253 17.4714 118 -0.15 49
IV.FOSV.HNE. 2023-04-01T17:04:08.60 0.1 undecidable manual P 340 24.3534 111 0.27 94
IV.CSP1.EHZ. 2023-04-01T17:04:08.99 0.3 undecidable manual P 89 27.4503 109 0.07 73
IV.MML1.EHZ. 2023-04-01T17:04:07.80 0.3 undecidable manual S 72 9.0798 136 0.19 74
IV.FDMO.HHZ. 2023-04-01T17:04:07.25 0.1 undecidable manual P 108 18.87 116 -0.07 99
IV.CESI.HHZ. 2023-04-01T17:04:07.71 0.3 undecidable manual S 161 9.7791 134 -0.09 75
IV.SNTG.HHZ. 2023-04-01T17:04:07.33 0.1 undecidable manual P 18 19.4694 116 -0.09 99
IV.ATCC.EHZ. 2023-04-01T17:04:07.71 0.1 undecidable manual P 300 21.1677 114 -0.03 100
IV.ASSB.HHZ. 2023-04-01T17:04:07.00 0.1 undecidable manual P 253 17.4714 118 -0.08 99
IV.MML1.EHZ. 2023-04-01T17:04:05.86 0.1 undecidable manual P 72 9.0798 136 0.15 99
IV.CESI.HHZ. 2023-04-01T17:04:05.92 0.1 undecidable manual P 161 9.7791 134 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.5 0.00004545 0.24 AML other m 2023-04-01T17:04:08.28
IV.CESI.HHE. ML:0.5 0.00003977795 0.064 AML other m 2023-04-01T17:04:08.26
IV.FDMO.HHE. ML:0.6 0.00003735 0.76 AML other m 2023-04-01T17:04:10.45
IV.FDMO.HHN. ML:0.6 0.000030185 0.66 AML other m 2023-04-01T17:04:11.46
IV.MML1.EHN. ML:0.5 0.00004535021 0.1024 AML other m 2023-04-01T17:04:07.87
IV.MML1.EHE. ML:0.7 0.000065740145 0.1408 AML other m 2023-04-01T17:04:07.88
IV.ASSB.HHE. ML:0.5 0.000024703835 0.1024 AML other m 2023-04-01T17:04:11.19
IV.ASSB.HHN. ML:0.6 0.000027628465000000002 0.0768 AML other m 2023-04-01T17:04:10.07
IV.SNTG.HHN. ML:0.1 0.0000119342965 0.0768 AML other m 2023-04-01T17:04:10.68
IV.SNTG.HHE. ML:0.3 0.000016035790000000003 0.1024 AML other m 2023-04-01T17:04:10.79
IV.ATCC.EHN. ML:0.4 0.000020685784999999997 0.1024 AML other m 2023-04-01T17:04:11.46
IV.ATCC.EHE. ML:0.6 0.000032192221 0.1152 AML other m 2023-04-01T17:04:11.49
IV.CSP1.EHE. ML:0.8 0.00003604921 0.2816 AML other m 2023-04-01T17:04:13.23
IV.CSP1.EHN. ML:1.2 0.0000823219505 1.4976 AML other m 2023-04-01T17:04:14.15
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