Earthquake with magnitude of ML 1.0 on date 23-04-2024 and time 13:37:02 (UTC) in region 5 km NE Valfabbrica (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km NE Valfabbrica (PG), on

  • 23-04-2024 13:37:02 (UTC)
  • 23-04-2024 15:37:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2000, 12.6360 at 11 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 5 3389 3389
Gualdo Tadino PG 13 15208 18597
Assisi PG 14 28299 46896
Fossato di Vico PG 15 2840 49736
Nocera Umbra PG 16 5839 55575
Bastia Umbra PG 16 21874 77449
Sigillo PG 17 2404 79853
Gubbio PG 18 32216 112069
Valtopina PG 18 1398 113467
Costacciaro PG 19 1216 114683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Perugia (166134 inhabitants)
28 Km N of Foligno (57155 inhabitants)
68 Km E of Arezzo (99543 inhabitants)
71 Km N of Terni (111501 inhabitants)
78 Km SW of Fano (60888 inhabitants)
82 Km S of Pesaro (94582 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
96 Km S of Rimini (147750 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
Reviewed
Rev100
ML 1.0 2024-04-23
13:37:02
43.1997 12.6357 11 2024-04-23
13:47:25
Sala Sismica INGV-Roma 127005421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-23 13:37:02 ± 0.12
Latitude 43.1997 ± 0.0072
Longitude 12.6357 ± 0.0185
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127005421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1649
Semi-minor axis of confidence ellipse (meter) 357
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 1650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.25990
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:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 127005421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-23 13:47:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHN. 2024-04-23T13:37:12.19 0.6 undecidable manual S 318 27.4503 50 0.14 48
IV.TB03.DHZ.25 2024-04-23T13:37:12.59 0.6 undecidable manual S 321 28.8489 50 0.16 48
IV.TB02.DHZ.21 2024-04-23T13:37:11.47 0.3 undecidable manual S 316 26.3514 50 -0.29 70
IV.ASSB.HHZ. 2024-04-23T13:37:09.32 0.3 undecidable manual S 174 17.5713 121 -0.01 76
IV.TB03.DHZ.25 2024-04-23T13:37:08.03 1.0 undecidable manual P 321 28.8489 50 -0.08 24
IV.TB02.DHZ.21 2024-04-23T13:37:07.69 1.0 undecidable manual P 316 26.3514 50 -0.03 25
IV.MURB.HHZ. 2024-04-23T13:37:07.69 0.3 undecidable manual S 308 11.3775 133 0.06 76
IV.ATVO.HHN. 2024-04-23T13:37:07.88 0.3 undecidable manual P 318 27.4503 50 -0.01 74
IV.ASSB.HHZ. 2024-04-23T13:37:06.37 0.3 undecidable manual P 174 17.5713 121 0.05 75
IV.ATCC.EHZ. 2024-04-23T13:37:05.74 0.1 undecidable manual S 168 1.6983 171 -0.23 99
IV.MURB.HHZ. 2024-04-23T13:37:05.43 0.3 undecidable manual P 308 11.3775 133 0.09 75
IV.ATCC.EHZ. 2024-04-23T13:37:04.57 0.1 undecidable manual P 168 1.6983 171 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:0.9 0.00013550000000000001 0.08 AML other m 2024-04-23T13:37:05.82
IV.ATCC.EHE. ML:1.0 0.0001795 1.58 AML other m 2024-04-23T13:37:06.97
IV.MURB.HHE. ML:1.2 0.00016749999999999998 0.52 AML other m 2024-04-23T13:37:08.50
IV.MURB.HHN. ML:1.0 0.00009865 0.88 AML other m 2024-04-23T13:37:10.52
IV.ATCC.HNN. ML:1.0 0.00015453325000000002 0.09 AML other m 2024-04-23T13:37:05.81
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