Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 26-04-2022 and time 05:52:00 (Italy) in region 3 km S Campello sul Clitunno (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km S Campello sul Clitunno (PG), on

  • 26-04-2022 03:52:00 (UTC)
  • 26-04-2022 05:52:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7950, 12.7710 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.

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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
Campello sul Clitunno PG 3 2442 2442
Spoleto PG 7 38218 40660
Vallo di Nera PG 8 364 41024
Castel Ritaldi PG 9 3278 44302
Sant'Anatolia di Narco PG 9 564 44866
Trevi PG 9 8469 53335
Scheggino PG 10 461 53796
Cerreto di Spoleto PG 12 1075 54871
Montefalco PG 15 5679 60550
Poggiodomo PG 16 117 60667
Giano dell'Umbria PG 16 3846 64513
Sellano PG 17 1079 65592
Foligno PG 19 57155 122747
Ferentillo TR 19 1913 124660

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km S of Foligno (57155 inhabitants)
28 Km NE of Terni (111501 inhabitants)
47 Km SE of Perugia (166134 inhabitants)
69 Km NE of Viterbo (67173 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
78 Km W of Teramo (54892 inhabitants)
88 Km N of Guidonia Montecelio (88673 inhabitants)
92 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 2022-04-26
03:52:00		 42.7952 12.771 11 2022-04-26
03:57:03		 Sala Sismica INGV-Roma 103785101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-26 03:52:00 ± 0.03
Latitude 42.7952 ± 0.0018
Longitude 12.7710 ± 0.0025
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 103785101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 174
Semi-minor axis of confidence ellipse (meter) 169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 103785101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-26 03:57:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2022-04-26T03:52:18.63 3.0 undecidable manual S 0.07 0
IV.SRES.HHZ. 2022-04-26T03:52:18.63 3.0 undecidable manual S -2.78 0
IV.FDMO.HHZ. 2022-04-26T03:52:12.54 0.3 undecidable manual S 44 37.1295 50 0.01 73
IT.MTCL.HGZ. 2022-04-26T03:52:10.22 0.3 undecidable manual S 40 28.8489 50 -0.1 73
IV.NRCA.HHZ. 2022-04-26T03:52:10.20 0.3 undecidable manual S 81 28.2495 50 0.04 74
IV.MURB.HHZ. 2022-04-26T03:52:10.49 3.0 negative manual P 0.11 0
IV.ASSB.HHZ. 2022-04-26T03:52:10.51 0.3 undecidable manual S 342 28.9488 50 0.17 72
IV.LNSS.HHZ. 2022-04-26T03:52:10.89 0.3 undecidable manual S 134 30.6471 50 0.09 72
IV.CESI.HHZ. 2022-04-26T03:52:09.52 0.3 undecidable manual S 25 25.6521 50 0.04 74
IV.CESX.HHZ. 2022-04-26T03:52:09.44 0.3 undecidable manual S 216 25.5522 50 -0.01 74
IV.SMA1.EHZ. 2022-04-26T03:52:09.67 3.0 undecidable manual P 0.36 0
IV.CSP1.EHZ. 2022-04-26T03:52:08.28 3.0 negative manual P -0.83 0
IV.RM33.EHZ. 2022-04-26T03:52:08.97 3.0 negative manual P -0.11 0
IV.ATCC.EHZ. 2022-04-26T03:52:08.13 1.0 positive manual P 346 44.5221 50 -0.31 23
IV.MMO1.EHZ. 2022-04-26T03:52:08.79 3.0 negative manual P -0.06 0
IV.FDMO.HHZ. 2022-04-26T03:52:07.26 0.6 positive manual P 44 37.1295 50 -0.03 48
IV.MC2.EHZ. 2022-04-26T03:52:07.38 3.0 negative manual P 0.22 0
IV.MOMA.HHZ. 2022-04-26T03:52:06.86 0.3 undecidable manual S 273 16.3725 124 -0.12 74
IT.GNU.HGZ. 2022-04-26T03:52:06.87 0.3 undecidable manual S 273 16.3725 124 -0.11 74
IV.LNSS.HHZ. 2022-04-26T03:52:06.23 0.3 positive manual P 134 30.6471 50 -0.06 73
IV.GAVE.EHZ. 2022-04-26T03:52:06.59 0.3 undecidable manual S 139 15.1737 126 -0.05 75
IV.ASSB.HHZ. 2022-04-26T03:52:05.95 0.3 positive manual P 342 28.9488 50 -0.08 73
IV.CESX.HHZ. 2022-04-26T03:52:05.39 0.6 positive manual P 216 25.5522 50 -0.13 48
IV.CESI.HHZ. 2022-04-26T03:52:05.51 0.1 positive manual P 25 25.6521 50 -0.02 99
IV.ARRO.EHZ. 2022-04-26T03:52:05.29 0.6 negative manual P 181 23.9538 50 0.02 50
IT.MTCL.HGZ. 2022-04-26T03:52:05.98 0.1 undecidable manual P 40 28.8489 50 -0.03 98
IV.NRCA.HHZ. 2022-04-26T03:52:05.85 1.0 negative manual P 81 28.2495 50 -0.08 24
IV.MOMA.HHZ. 2022-04-26T03:52:04.15 0.6 undecidable manual P 273 16.3725 124 0.06 50
IT.GNU.HGZ. 2022-04-26T03:52:04.36 0.1 undecidable manual P 273 16.3725 124 0.27 95
IV.GAVE.EHZ. 2022-04-26T03:52:03.95 0.1 positive manual P 139 15.1737 126 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.7 0.0004625 0.12 AML other m 2022-04-26T03:52:06.83
IV.GAVE.EHE. ML:1.7 0.000491 0.12 AML other m 2022-04-26T03:52:06.93
IV.MOMA.HHE. ML:1.3 0.00017749999999999998 0.2 AML other m 2022-04-26T03:52:07.26
IV.MOMA.HHN. ML:1.2 0.000125 1.22 AML other m 2022-04-26T03:52:07.61
IV.CESI.HHN. ML:1.5 0.00016499999999999997 0.22 AML other m 2022-04-26T03:52:09.66
IV.CESI.HHE. ML:1.2 0.00008675 1.56 AML other m 2022-04-26T03:52:10.01
IV.CESX.HHE. ML:1.0 0.000057050000000000004 0.88 AML other m 2022-04-26T03:52:10.14
IV.NRCA.HHN. ML:1.1 0.00006135 0.14 AML other m 2022-04-26T03:52:10.57
IV.ASSB.HHE. ML:1.1 0.0000673 0.46 AML other m 2022-04-26T03:52:10.66
IV.ARRO.EHN. ML:0.8 0.00003895 0.54 AML other m 2022-04-26T03:52:10.71
IV.CESX.HHN. ML:1.0 0.000057499999999999995 1.52 AML other m 2022-04-26T03:52:11.88
IV.ASSB.HHN. ML:1.0 0.00005475000000000001 0.96 AML other m 2022-04-26T03:52:11.89
IV.NRCA.HHE. ML:1.0 0.00005035 0.08 AML other m 2022-04-26T03:52:11.51
IV.LNSS.HHE. ML:1.4 0.00010449999999999999 0.28 AML other m 2022-04-26T03:52:11.76
IV.ARRO.EHE. ML:0.7 0.000031899999999999996 0.18 AML other m 2022-04-26T03:52:12.48
IV.LNSS.HHN. ML:1.2 0.000079 0.18 AML other m 2022-04-26T03:52:13.32
IV.FDMO.HHE. ML:1.0 0.000039099999999999995 0.88 AML other m 2022-04-26T03:52:13.42
IV.FDMO.HHN. ML:0.9 0.0000315 0.84 AML other m 2022-04-26T03:52:13.91
IV.MMO1.EHN. ML:1.0 0.000030050000000000002 0.72 AML other m 2022-04-26T03:52:15.63
IV.MMO1.EHE. ML:0.8 0.0000193 1.1 AML other m 2022-04-26T03:52:16.58
IV.SMA1.EHE. ML:1.0 0.000026799999999999998 0.92 AML other m 2022-04-26T03:52:17.80
IV.SMA1.EHN. ML:1.0 0.00002265 0.74 AML other m 2022-04-26T03:52:21.29
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