Earthquake with magnitude of ML 0.7 on date 02-04-2023 and time 09:48:49 (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

  • 02-04-2023 09:48:49 (UTC)
  • 02-04-2023 11:48:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0820, 12.8340 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.

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 7 1398 7237
Serravalle di Chienti MC 10 1070 8307
Sefro MC 12 422 8729
Fiuminata MC 14 1402 10131
Spello PG 16 8645 18776
Pioraco MC 16 1134 19910
Monte Cavallo MC 17 145 20055
Gualdo Tadino PG 17 15208 35263
Muccia MC 17 915 36178
Foligno PG 18 57155 93333
Assisi PG 18 28299 121632
Pieve Torina MC 18 1458 123090

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NE of Foligno (57155 inhabitants)
36 Km E of Perugia (166134 inhabitants)
60 Km N of Terni (111501 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
86 Km S of Fano (60888 inhabitants)
88 Km E of Arezzo (99543 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
93 Km NW of L'Aquila (69753 inhabitants)
95 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 2023-04-02
09:48:49
43.0823 12.8335 10 2023-04-02
09:56:14
Sala Sismica INGV-Roma 115967631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 09:48:49 ± 0.13
Latitude 43.0823 ± 0.0027
Longitude 12.8335 ± 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 115967631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 317
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 0.19066
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 115967631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 09:56:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-04-02T09:48:57.93 0.3 undecidable manual S 24 21.0678 116 -0.12 73
IV.FDMO.HHZ. 2023-04-02T09:48:57.92 0.3 undecidable manual S 104 21.1677 115 -0.17 72
IV.ASSB.HHZ. 2023-04-02T09:48:56.10 0.1 undecidable manual S 253 14.874 124 -0.07 99
IV.MML1.EHZ. 2023-04-02T09:48:55.37 0.1 undecidable manual S 73 11.6772 131 0.06 100
IV.FDMO.HHZ. 2023-04-02T09:48:54.57 0.1 undecidable manual P 104 21.1677 115 -0.09 98
IV.CESI.HHZ. 2023-04-02T09:48:54.95 0.3 undecidable manual S 146 10.3785 134 -0.01 76
IV.SNTG.HHZ. 2023-04-02T09:48:54.64 0.1 undecidable manual P 24 21.0678 116 0.01 99
IV.MML1.EHZ. 2023-04-02T09:48:53.23 0.1 undecidable manual P 73 11.6772 131 0.18 97
IV.ASSB.HHZ. 2023-04-02T09:48:53.58 0.1 undecidable manual P 253 14.874 124 0.03 100
IV.CESI.HHZ. 2023-04-02T09:48:52.93 0.1 undecidable manual P 146 10.3785 134 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.8 0.00006755 0.12 AML other m 2023-04-02T09:48:55.48
IV.MML1.EHE. ML:0.7 0.0000552 0.18 AML other m 2023-04-02T09:48:55.57
IV.CESI.HHE. ML:0.0 0.000015419419 0.064 AML other m 2023-04-02T09:48:55.16
IV.CESI.HHN. ML:0.0 0.000011301810000000001 0.0768 AML other m 2023-04-02T09:48:55.12
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