Earthquake with magnitude of ML 1.1 on date 11-04-2024 and time 09:07:12 (UTC) in region 1 km E Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 1 km E Cerreto di Spoleto (PG), on

  • 11-04-2024 09:07:12 (UTC)
  • 11-04-2024 11:07:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8260, 12.9320 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
Cerreto di Spoleto PG 1 1075 1075
Sellano PG 7 1079 2154
Vallo di Nera PG 8 364 2518
Preci PG 11 724 3242
Poggiodomo PG 13 117 3359
Campello sul Clitunno PG 13 2442 5801
Sant'Anatolia di Narco PG 13 564 6365
Cascia PG 14 3217 9582
Norcia PG 14 4957 14539
Scheggino PG 15 461 15000
Trevi PG 16 8469 23469
Visso MC 17 1107 24576
Spoleto PG 19 38218 62794
Monteleone di Spoleto PG 19 599 63393
Monte Cavallo MC 20 145 63538
Castelsantangelo sul Nera MC 20 281 63819

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 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 1.1 2024-04-11
09:07:12
42.8257 12.9325 10 2024-04-11
09:17:24
Sala Sismica INGV-Roma 126642011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-11 09:07:12 ± 0.04
Latitude 42.8257 ± 0.0027
Longitude 12.9325 ± 0.0037
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 126642011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 312
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.01259
Epicentral distance of station farthest from the epicenter (degree) 0.42898
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:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 126642011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-11 09:17:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-04-11T09:07:25.05 0.6 undecidable manual S 37 36.9297 50 0.35 45
IV.ASSB.HHN. 2024-04-11T09:07:23.51 0.6 undecidable manual S 317 32.745 50 -0.09 48
IV.MML1.EHE. 2024-04-11T09:07:23.37 0.3 undecidable manual S 6 32.0457 50 -0.05 72
IV.SNTG.HHZ. 2024-04-11T09:07:21.12 0.1 undecidable manual P 1 47.619 50 0.06 93
IV.CSP1.EHZ. 2024-04-11T09:07:19.28 0.3 undecidable manual P 37 36.9297 50 -0.12 70
IV.CESI.HHZ. 2024-04-11T09:07:19.92 0.3 undecidable manual S 354 19.9689 117 0 74
IV.NRCA.HHZ. 2024-04-11T09:07:18.23 0.3 undecidable manual S 87 14.7741 124 -0.12 73
IV.GAVE.EHZ. 2024-04-11T09:07:18.37 0.3 undecidable manual S 192 15.1737 123 -0.08 74
IV.ASSB.HHN. 2024-04-11T09:07:18.70 0.3 undecidable manual P 317 32.745 50 -0.07 72
IV.MML1.EHE. 2024-04-11T09:07:18.54 0.1 undecidable manual P 6 32.0457 50 -0.12 95
IV.CESI.HHZ. 2024-04-11T09:07:16.69 0.1 undecidable manual P 354 19.9689 117 0.05 98
IV.NRCA.HHZ. 2024-04-11T09:07:15.74 0.1 undecidable manual P 87 14.7741 124 0 100
IV.GAVE.EHZ. 2024-04-11T09:07:15.89 0.1 undecidable manual P 192 15.1737 123 0.1 98
ZO.PDN12.EHZ. 2024-04-11T09:07:15.54 0.3 undecidable manual S 246 1.3986 172 -0.12 75
ZO.PDN12.EHZ. 2024-04-11T09:07:14.35 0.1 undecidable manual P 246 1.3986 172 0.18 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.00010223267 0.1 AML other m 2024-04-11T09:07:18.32
IV.GAVE.EHN. ML:1.2 0.00015900000000000002 1.84 AML other m 2024-04-11T09:07:18.97
IV.GAVE.EHE. ML:1.2 0.0001534055 0.12 AML other m 2024-04-11T09:07:18.94
IV.NRCA.HHN. ML:0.9 0.00008146566999999999 0.1 AML other m 2024-04-11T09:07:18.62
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