Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 04-06-2023 and time 12:50:48 (UTC) in region 5 km SE Nocera Umbra (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km SE Nocera Umbra (PG), on

  • 04-06-2023 12:50:48 (UTC)
  • 04-06-2023 14:50:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0860, 12.8470 at 10 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.

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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 5 5839 5839
Valtopina PG 8 1398 7237
Serravalle di Chienti MC 9 1070 8307
Sefro MC 11 422 8729
Fiuminata MC 13 1402 10131
Pioraco MC 15 1134 11265
Muccia MC 16 915 12180
Monte Cavallo MC 16 145 12325
Gualdo Tadino PG 17 15208 27533
Pieve Torina MC 17 1458 28991
Spello PG 18 8645 37636
Foligno PG 19 57155 94791
Camerino MC 19 6974 101765
Assisi PG 19 28299 130064
Pievebovigliana MC 20 866 130930

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
37 Km E of Perugia (166134 inhabitants)
61 Km N of Terni (111501 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
86 Km S of Fano (60888 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
93 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
Reviewed
Rev100 		ML 0.7 2023-06-04
12:50:48		 43.0862 12.847 10 2023-06-04
12:59:04		 Sala Sismica INGV-Roma 118090781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 12:50:48 ± 0.07
Latitude 43.0862 ± 0.0027
Longitude 12.8470 ± 0.0025
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118090781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 292
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
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) 130
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.26080
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 118090781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-04 12:59:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-06-04T12:50:56.38 0.6 undecidable manual S 22 20.1687 115 -0.17 48
IV.FDMO.HHZ. 2023-06-04T12:50:56.43 0.6 undecidable manual S 106 20.2686 115 -0.14 49
IV.ASSB.HHZ. 2023-06-04T12:50:55.13 0.6 undecidable manual S 252 15.9729 121 -0.14 49
IV.CSP1.EHZ. 2023-06-04T12:50:54.78 0.6 negative manual P 89 28.9488 50 -0.08 48
IV.CESI.HHZ. 2023-06-04T12:50:53.63 0.6 undecidable manual S 153 10.1787 133 -0.01 51
IV.FDMO.HHZ. 2023-06-04T12:50:53.23 1.0 undecidable manual P 106 20.2686 115 -0.05 25
IV.MML1.EHZ. 2023-06-04T12:50:53.74 0.6 undecidable manual S 73 10.5783 132 0 51
IV.SNTG.HHZ. 2023-06-04T12:50:53.36 0.1 undecidable manual P 22 20.1687 115 0.09 98
IV.ASSB.HHZ. 2023-06-04T12:50:52.56 0.1 positive manual P 252 15.9729 121 0.03 100
IV.CESI.HHZ. 2023-06-04T12:50:51.70 0.6 undecidable manual P 153 10.1787 133 0.11 50
IV.MML1.EHZ. 2023-06-04T12:50:51.79 0.3 undecidable manual P 73 10.5783 132 0.14 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:1.0 0.00012055 0.12 AML other m 2023-06-04T12:50:53.86
IV.MML1.EHE. ML:1.0 0.0001275 0.16 AML other m 2023-06-04T12:50:53.94
IV.CESI.HHE. ML:0.1 0.00001605 0.64 AML other m 2023-06-04T12:50:55.25
IV.ASSB.HHN. ML:0.7 0.00005205 0.2 AML other m 2023-06-04T12:50:55.40
IV.ASSB.HHE. ML:0.8 0.00005645 0.28 AML other m 2023-06-04T12:50:55.88
IV.FDMO.HHE. ML:0.7 0.000042 0.14 AML other m 2023-06-04T12:50:56.58
IV.FDMO.HHN. ML:0.5 0.00002495 1.14 AML other m 2023-06-04T12:50:57.59
IV.SNTG.HHN. ML:0.3 0.0000139 0.44 AML other m 2023-06-04T12:50:57.40
IV.SNTG.HHE. ML:0.4 0.0000189 1.28 AML other m 2023-06-04T12:50:57.04
IV.CESI.HHN. ML:-0.1 0.000011706984999999999 0.0768 AML other m 2023-06-04T12:50:57.07
IV.CSP1.EHE. ML:0.8 0.0000318848 0.2624 AML other m 2023-06-04T12:50:59.60
IV.CSP1.EHN. ML:1.0 0.000044956979999999995 0.1792 AML other m 2023-06-04T12:50:59.73
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