Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 15-04-2024 and time 23:57:09 (Italy) in region 9 km SW Umbertide (PG)

A magnitude ML 1.0 earthquake occured in region: 9 km SW Umbertide (PG), on

  • 15-04-2024 21:57:09 (UTC)
  • 15-04-2024 23:57:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2290, 12.2880 at 13 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
Umbertide PG 9 16681 16681
Corciano PG 11 21332 38013
Magione PG 12 14865 52878
Lisciano Niccone PG 12 613 53491
Passignano sul Trasimeno PG 13 5746 59237
Montone PG 15 1680 60917
Perugia PG 16 166134 227051
Tuoro sul Trasimeno PG 18 3780 230831

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Perugia (166134 inhabitants)
42 Km SE of Arezzo (99543 inhabitants)
45 Km NW of Foligno (57155 inhabitants)
78 Km E of Siena (53903 inhabitants)
80 Km NW of Terni (111501 inhabitants)
90 Km SW of Fano (60888 inhabitants)
91 Km SW of Pesaro (94582 inhabitants)
91 Km N of Viterbo (67173 inhabitants)
95 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 1.0 2024-04-15
21:57:09		 43.2292 12.2885 13 2024-04-15
22:05:41		 Sala Sismica INGV-Roma 126770781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-15 21:57:09 ± 0.06
Latitude 43.2292 ± 0.0027
Longitude 12.2885 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126770781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.35523
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 126770781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-15 22:05:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHE. 2024-04-15T21:57:22.72 0.3 undecidable manual S 30 39.4272 94 0.16 69
IV.MGAB.HHZ. 2024-04-15T21:57:22.38 0.3 undecidable manual S 202 37.9287 94 0.21 70
IV.ATPC.HHN. 2024-04-15T21:57:20.49 0.3 undecidable manual S 26 31.0467 96 0.15 70
IV.CAFI.HHZ. 2024-04-15T21:57:19.71 0.6 undecidable manual S 293 28.2495 97 0.1 49
IV.ATPI.EHZ. 2024-04-15T21:57:18.92 0.6 undecidable manual S 20 26.2515 97 -0.15 48
IV.MURB.HHE. 2024-04-15T21:57:17.35 0.3 undecidable manual S 79 19.4694 104 0.07 73
IV.PIEI.HHE. 2024-04-15T21:57:17.09 0.1 undecidable manual P 30 39.4272 94 0.02 95
IV.ATVO.HNE. 2024-04-15T21:57:17.24 0.3 undecidable manual S 29 19.4694 104 -0.05 74
IV.MGAB.HHZ. 2024-04-15T21:57:16.69 0.1 undecidable manual P 202 37.9287 94 -0.16 93
IV.ATMI.HHZ. 2024-04-15T21:57:15.64 0.6 undecidable manual S 352 11.7771 124 0.24 48
IV.ATPC.HHN. 2024-04-15T21:57:15.66 0.6 undecidable manual P 26 31.0467 96 -0.14 48
IV.CAFI.HHZ. 2024-04-15T21:57:15.37 0.6 undecidable manual P 293 28.2495 97 0 49
IV.ATVA.EHE. 2024-04-15T21:57:14.15 0.6 undecidable manual S 357 5.4945 151 -0.11 49
IV.ATPI.EHZ. 2024-04-15T21:57:14.83 0.1 undecidable manual P 20 26.2515 97 -0.23 94
IV.ATVO.HNE. 2024-04-15T21:57:13.87 0.1 undecidable manual P 29 19.4694 104 -0.16 97
IV.ATMI.HHZ. 2024-04-15T21:57:13.12 0.1 undecidable manual P 352 11.7771 124 0.18 98
IV.MURB.HHE. 2024-04-15T21:57:13.98 0.1 undecidable manual P 79 19.4694 104 -0.05 99
IV.ATVA.EHE. 2024-04-15T21:57:12.23 0.1 undecidable manual P 357 5.4945 151 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHN. ML:1.1 0.00013450000000000002 1.34 AML other m 2024-04-15T21:57:15.32
IV.ATMI.HHE. ML:1.2 0.00016249999999999997 0.18 AML other m 2024-04-15T21:57:16.27
IV.CAFI.HHN. ML:0.8 0.0000341 1.86 AML other m 2024-04-15T21:57:20.97
IV.CAFI.HHE. ML:1.0 0.000044999999999999996 0.66 AML other m 2024-04-15T21:57:20.04
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