Earthquake with magnitude of ML 1.2 on date 22-04-2024 and time 08:33:46 (UTC) in region 3 km E Spoleto (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km E Spoleto (PG), on

  • 22-04-2024 08:33:46 (UTC)
  • 22-04-2024 10:33:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7280, 12.7710 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
Spoleto PG 3 38218 38218
Scheggino PG 5 461 38679
Sant'Anatolia di Narco PG 5 564 39243
Vallo di Nera PG 9 364 39607
Campello sul Clitunno PG 10 2442 42049
Ferentillo TR 12 1913 43962
Castel Ritaldi PG 13 3278 47240
Poggiodomo PG 14 117 47357
Montefranco TR 15 1276 48633
Cerreto di Spoleto PG 16 1075 49708
Arrone TR 16 2763 52471
Trevi PG 17 8469 60940
Polino TR 17 233 61173
Monteleone di Spoleto PG 17 599 61772
Acquasparta TR 19 4778 66550
Giano dell'Umbria PG 20 3846 70396
Cascia PG 20 3217 73613

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Terni (111501 inhabitants)
26 Km S of Foligno (57155 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
81 Km N of Guidonia Montecelio (88673 inhabitants)
85 Km N of Tivoli (56533 inhabitants)
96 Km N of Roma (2864731 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 1.2 2024-04-22
08:33:46
42.7283 12.771 10 2024-04-22
08:46:27
Sala Sismica INGV-Roma 126962141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-22 08:33:46 ± 0.1
Latitude 42.7283 ± 0.0072
Longitude 12.7710 ± 0.0073
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 126962141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 892
Semi-minor axis of confidence ellipse (meter) 389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48294
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 126962141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-22 08:46:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2024-04-22T08:35:28.60 3.0 undecidable manual Sn 0.67 0
GU.CANO.HHZ. 2024-04-22T08:35:26.44 3.0 undecidable manual Sg 15.61 0
IV.SARZ.HNZ. 2024-04-22T08:35:14.92 3.0 undecidable manual Sn 2.54 0
7C.SPAOL.HNZ. 2024-04-22T08:35:03.68 3.0 undecidable manual Pg 14.37 0
IV.SIRI.HHZ. 2024-04-22T08:35:00.74 3.0 undecidable manual Sn -6.35 0
IV.PLAC.HNZ. 2024-04-22T08:34:50.48 3.0 undecidable manual Pn 3.67 0
IV.SARZ.HNZ. 2024-04-22T08:34:35.38 3.0 undecidable manual Pg 6.48 0
IV.SACR.HNZ. 2024-04-22T08:34:28.77 3.0 undecidable manual Sn -4.66 0
IV.MCI.EHZ. 2024-04-22T08:34:17.02 3.0 undecidable manual Sg -0.64 0
IV.RIBO.EHZ.01 2024-04-22T08:34:12.24 3.0 undecidable manual Sg -0.28 0
IV.CSP1.EHN. 2024-04-22T08:34:03.15 0.6 undecidable manual S 41 53.6019 50 -0.14 46
IV.MML1.HNE. 2024-04-22T08:34:01.78 0.6 undecidable manual S 21 45.7209 50 0.57 42
IV.FDMO.HHZ. 2024-04-22T08:34:00.60 0.6 undecidable manual S 37 42.8238 50 0.18 47
IV.ASSB.HHN. 2024-04-22T08:33:58.60 0.6 undecidable manual S 345 36.0417 50 -0.02 49
IV.NRCA.HHZ. 2024-04-22T08:33:57.03 0.6 undecidable manual S 67 30.2475 50 -0.05 49
IV.MCIV.CHZ. 2024-04-22T08:33:57.24 3.0 undecidable manual S -2.23 0
IV.CESI.HHZ. 2024-04-22T08:33:57.26 0.6 undecidable manual S 19 32.5452 50 -0.43 45
IV.MML1.HNE. 2024-04-22T08:33:55.04 0.1 undecidable manual P 21 45.7209 50 0.12 94
IV.CSP1.EHN. 2024-04-22T08:33:55.96 0.1 undecidable manual P 41 53.6019 50 -0.17 92
IV.LNSS.HHZ. 2024-04-22T08:33:55.81 0.6 undecidable manual S 122 25.9518 50 -0.13 48
IV.FDMO.HHZ. 2024-04-22T08:33:54.31 1.0 positive manual P 37 42.8238 50 -0.16 23
IV.MOMA.HNE. 2024-04-22T08:33:53.35 0.6 undecidable manual S 297 18.3705 119 -0.28 48
IV.ASSB.HHN. 2024-04-22T08:33:53.62 0.1 undecidable manual P 345 36.0417 50 0.19 94
IV.LNSS.HHZ. 2024-04-22T08:33:52.23 1.0 undecidable manual P 122 25.9518 50 0.35 23
IV.NRCA.HHZ. 2024-04-22T08:33:52.26 0.6 negative manual P 67 30.2475 50 -0.28 47
IV.CESI.HHZ. 2024-04-22T08:33:52.73 1.0 positive manual P 19 32.5452 50 -0.16 24
IV.GAVE.HNE. 2024-04-22T08:33:51.43 0.6 undecidable manual S 112 10.7781 133 -0.06 50
IV.MOMA.HNE. 2024-04-22T08:33:50.59 0.1 undecidable manual P 297 18.3705 119 0.04 100
IV.GAVE.HNE. 2024-04-22T08:33:49.46 0.1 undecidable manual P 112 10.7781 133 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.0000294 0.68 AML other m 2024-04-22T08:33:57.53
IV.NRCA.HHE. ML:1.0 0.00004475 0.14 AML other m 2024-04-22T08:33:58.48
IV.MCIV.CHN. ML:2.6 0.000431 0.06 AML other m 2024-04-22T08:34:07.79
IV.MCIV.CHE. ML:2.7 0.000682 0.06 AML other m 2024-04-22T08:34:08.18
IV.LNSS.HHE. ML:1.2 0.0000863444 0.22 AML other m 2024-04-22T08:33:56.01
IV.LNSS.HHN. ML:1.1 0.00006725987 0.18 AML other m 2024-04-22T08:33:56.03
IV.LNSS.HNE. ML:1.3 0.00010384393 0.24 AML other m 2024-04-22T08:33:56.12
IV.LNSS.HNN. ML:1.4 0.000149238135 0.54 AML other m 2024-04-22T08:33:58.62
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download