Earthquake with magnitude of ML 0.5 on date 02-04-2024 and time 23:20:06 (UTC) in region 7 km E Valfabbrica (PG)

A magnitude ML 0.5 earthquake occured in region: 7 km E Valfabbrica (PG), on

  • 02-04-2024 23:20:06 (UTC)
  • 03-04-2024 01:20:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1780, 12.6880 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
Valfabbrica PG 7 3389 3389
Gualdo Tadino PG 10 15208 18597
Nocera Umbra PG 11 5839 24436
Assisi PG 13 28299 52735
Valtopina PG 14 1398 54133
Fossato di Vico PG 14 2840 56973
Bastia Umbra PG 17 21874 78847
Sigillo PG 18 2404 81251
Fiuminata MC 20 1402 82653

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Foligno (57155 inhabitants)
25 Km E of Perugia (166134 inhabitants)
69 Km N of Terni (111501 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
79 Km SW of Fano (60888 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
84 Km S of Pesaro (94582 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
99 Km S of Rimini (147750 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 0.5 2024-04-02
23:20:06
43.1775 12.6875 10 2024-04-02
23:28:44
Sala Sismica INGV-Roma 126420401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-02 23:20:06 ± 0.07
Latitude 43.1775 ± 0.0036
Longitude 12.6875 ± 0.0062
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126420401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 446
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.26170
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 126420401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-02 23:28:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATSC.EHE. 2024-04-02T23:20:15.68 0.6 undecidable manual S 360 27.3504 50 -0.41 48
IV.FOSV.EHZ. 2024-04-02T23:20:12.11 0.6 undecidable manual S 25 14.2746 125 -0.01 53
IV.ASSB.HHZ. 2024-04-02T23:20:12.20 0.6 undecidable manual S 189 15.1737 123 -0.16 51
IV.TSM2.DHE. 2024-04-02T23:20:12.45 0.1 undecidable manual P 327 29.0487 50 0.33 96
IV.MURB.HHZ. 2024-04-02T23:20:12.74 0.6 undecidable manual S 306 16.2726 121 0.06 52
IV.MML1.HNZ. 2024-04-02T23:20:11.29 0.6 undecidable manual P 107 24.0537 112 -0.01 52
IV.ATSC.EHE. 2024-04-02T23:20:11.69 0.1 undecidable manual P 360 27.3504 50 -0.17 100
IV.SNTG.HHZ. 2024-04-02T23:20:11.10 0.3 undecidable manual P 67 22.1556 114 0.15 76
IV.TSM1.DHE.01 2024-04-02T23:20:10.47 0.6 undecidable manual P 339 19.9689 116 -0.08 52
IV.ATCC.EHZ. 2024-04-02T23:20:09.59 0.6 undecidable manual S 282 3.8961 158 -0.19 52
IV.MURB.HHZ. 2024-04-02T23:20:09.93 0.3 undecidable manual P 306 16.2726 121 0.04 79
IV.FOSV.EHZ. 2024-04-02T23:20:09.63 0.3 undecidable manual P 25 14.2746 125 0.06 78
IV.ASSB.HHZ. 2024-04-02T23:20:09.72 0.3 negative manual P 189 15.1737 123 0.01 79
IV.ATCC.EHZ. 2024-04-02T23:20:08.24 1.0 undecidable manual P 282 3.8961 158 0.02 27
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.6 0.00003594462 0.1 AML other m 2024-04-02T23:20:12.45
IV.ASSB.HHN. ML:0.5 0.000032310415 0.18 AML other m 2024-04-02T23:20:12.45
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