Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 05-04-2024 and time 10:31:09 (Italy) in region 8 km W Nocera Umbra (PG)

A magnitude ML 0.9 earthquake occured in region: 8 km W Nocera Umbra (PG), on

  • 05-04-2024 08:31:09 (UTC)
  • 05-04-2024 10:31:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1470, 12.7050 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 8 5839 5839
Valfabbrica PG 9 3389 9228
Valtopina PG 11 1398 10626
Assisi PG 11 28299 38925
Gualdo Tadino PG 12 15208 54133
Bastia Umbra PG 15 21874 76007
Fossato di Vico PG 17 2840 78847
Spello PG 17 8645 87492
Fiuminata MC 19 1402 88894
Cannara PG 19 4305 93199
Sefro MC 20 422 93621

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of Foligno (57155 inhabitants)
26 Km E of Perugia (166134 inhabitants)
65 Km N of Terni (111501 inhabitants)
75 Km E of Arezzo (99543 inhabitants)
82 Km SW of Fano (60888 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
98 Km NW of Teramo (54892 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 0.9 2024-04-05
08:31:09		 43.1468 12.7048 10 2024-04-05
08:36:57		 Sala Sismica INGV-Roma 126488591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-05 08:31:09 ± 0.09
Latitude 43.1468 ± 0.0045
Longitude 12.7048 ± 0.0062
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 126488591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 552
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
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) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.30037
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:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 126488591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-05 08:36:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2024-04-05T08:31:21.37 0.1 undecidable manual S 11 32.745 50 -0.01 97
IV.FDMO.HHZ. 2024-04-05T08:31:21.50 0.1 undecidable manual S 111 33.3444 50 -0.04 96
IV.CESI.HHZ. 2024-04-05T08:31:18.45 0.1 undecidable manual S 134 22.5552 113 0.09 97
IV.MML1.EHZ. 2024-04-05T08:31:18.21 0.3 undecidable manual S 100 21.9669 114 0.06 73
IV.SNTG.HHZ. 2024-04-05T08:31:18.39 0.1 undecidable manual S 58 22.5552 113 0.05 98
IV.MURB.HHZ. 2024-04-05T08:31:17.41 0.1 undecidable manual S 312 19.4694 116 0.04 98
IV.FDMO.HHZ. 2024-04-05T08:31:16.82 0.1 undecidable manual P 111 33.3444 50 0.22 93
IV.SSFR.HHZ. 2024-04-05T08:31:16.26 0.1 undecidable manual P 11 32.745 50 -0.25 92
IV.SNTG.HHZ. 2024-04-05T08:31:15.22 0.1 undecidable manual P 58 22.5552 113 0.47 89
IV.ASSB.HHZ. 2024-04-05T08:31:15.19 0.1 undecidable manual S 198 12.1767 128 -0.03 100
IV.MURB.HHZ. 2024-04-05T08:31:14.32 0.1 undecidable manual P 312 19.4694 116 0.13 97
IV.CESI.HHZ. 2024-04-05T08:31:14.78 0.1 undecidable manual P 134 22.5552 113 0.01 98
IV.MML1.EHZ. 2024-04-05T08:31:13.74 0.1 undecidable manual P 100 21.9669 114 -0.9 76
IV.ATCC.EHZ. 2024-04-05T08:31:13.70 0.1 undecidable manual S 309 6.7932 145 -0.21 97
IV.ASSB.HHZ. 2024-04-05T08:31:13.05 0.1 undecidable manual P 198 12.1767 128 0.1 99
IV.ATCC.EHZ. 2024-04-05T08:31:12.28 0.1 undecidable manual P 309 6.7932 145 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.2 0.0002415 0.28 AML other m 2024-04-05T08:31:13.85
IV.ATCC.EHE. ML:1.4 0.00035450000000000005 0.12 AML other m 2024-04-05T08:31:14.04
IV.ASSB.HHN. ML:0.8 0.00007159999999999999 0.2 AML other m 2024-04-05T08:31:15.33
IV.ASSB.HHE. ML:0.7 0.0000546 0.48 AML other m 2024-04-05T08:31:16.40
IV.MURB.HHN. ML:1.0 0.00007225000000000001 1.34 AML other m 2024-04-05T08:31:17.99
IV.MURB.HHE. ML:1.0 0.00008360000000000001 1.08 AML other m 2024-04-05T08:31:18.35
IV.FDMO.HHN. ML:0.5 0.00001499 0.12 AML other m 2024-04-05T08:31:21.86
IV.FDMO.HHE. ML:0.7 0.00002035 0.12 AML other m 2024-04-05T08:31:21.95
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