Earthquake with magnitude of ML 2.1 on date 11-04-2023 and time 18:02:47 (Italy) in region 3 km SW Cerreto di Spoleto (PG)

A magnitude ML 2.1 earthquake occured in region: 3 km SW Cerreto di Spoleto (PG), on

  • 11-04-2023 16:02:47 (UTC)
  • 11-04-2023 18:02:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7960, 12.9050 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 3 1075 1075
Vallo di Nera PG 4 364 1439
Sant'Anatolia di Narco PG 9 564 2003
Poggiodomo PG 10 117 2120
Sellano PG 11 1079 3199
Campello sul Clitunno PG 11 2442 5641
Scheggino PG 11 461 6102
Cascia PG 12 3217 9319
Preci PG 14 724 10043
Spoleto PG 15 38218 48261
Norcia PG 15 4957 53218
Trevi PG 16 8469 61687
Monteleone di Spoleto PG 16 599 62286
Castel Ritaldi PG 19 3278 65564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
67 Km W of Teramo (54892 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 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
Bulletin
Rev1000
ML 2.1 2023-04-11
16:02:47
42.7957 12.905 10 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117923961
Reviewed
Rev100
ML 2.0 2023-04-11
16:02:47
42.7943 12.9067 10 2023-04-11
16:09:55
Sala Sismica INGV-Roma 116284541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-11 16:02:47 ± 0.04
Latitude 42.7957 ± 0.0018
Longitude 12.9050 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117923961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 194
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83997
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 66
Type of magnitude ML
Reference to an origin 117923961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-31 18:30:41

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 78
Type of magnitude ML
Reference to an origin 116284541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-11 16:09:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2023-04-11T16:03:57.44 3.0 undecidable manual Sg 4.31 0
IV.EL6.EHZ. 2023-04-11T16:03:07.10 0.3 undecidable manual S 15 61.2942 50 0.45 64
IV.MURB.HHZ. 2023-04-11T16:03:06.72 0.3 undecidable manual S 329 60.2952 50 0.33 65
IV.TERO.HHZ. 2023-04-11T16:03:06.68 0.3 undecidable manual S 108 60.0954 50 0.35 65
IV.SNTG.HHZ. 2023-04-11T16:03:04.07 0.6 undecidable manual S 3 51.0156 50 0.16 46
IV.MF5.EHZ. 2023-04-11T16:03:04.19 0.3 undecidable manual S 65 49.9167 50 0.59 62
IV.CAFI.HHZ. 2023-04-11T16:03:04.70 3.0 positive manual P -0.07 0
IV.ATCC.EHZ. 2023-04-11T16:03:03.36 0.6 undecidable manual S 334 48.2184 50 0.19 46
IV.MPAG.EHZ. 2023-04-11T16:03:03.59 0.3 undecidable manual P 353 93.24 50 0.1 64
IV.PIEI.HHZ. 2023-04-11T16:03:02.69 0.1 undecidable manual P 340 87.3459 50 0.1 87
IV.FRON.EHZ. 2023-04-11T16:03:01.87 0.6 negative manual P 350 81.3519 50 0.2 43
IV.RM33.EHZ. 2023-04-11T16:03:01.01 0.3 undecidable manual S 141 40.626 50 -0.12 71
IV.ATVO.HHZ. 2023-04-11T16:03:01.12 0.1 undecidable manual P 328 76.5678 50 0.2 87
IV.CSP1.EHZ. 2023-04-11T16:03:01.29 0.3 undecidable manual S 36 40.9257 50 0.09 71
IV.ARVD.HHZ. 2023-04-11T16:03:01.08 0.1 undecidable manual P 2 77.9664 50 -0.06 89
IV.SSFR.HHZ. 2023-04-11T16:03:00.33 0.1 undecidable manual P 352 71.7726 50 0.15 89
IV.MML1.EHZ. 2023-04-11T16:02:59.67 0.6 undecidable manual S 9 35.6421 50 -0.14 47
IV.MGAB.HHZ. 2023-04-11T16:02:59.32 0.1 undecidable manual P 282 65.7897 50 0.06 91
IV.CING.HHZ. 2023-04-11T16:02:59.87 0.1 undecidable manual P 20 68.4759 50 0.19 88
IV.ASSB.HHZ. 2023-04-11T16:02:59.03 0.6 undecidable manual S 324 33.9438 50 -0.31 46
IV.GIGS.HHZ. 2023-04-11T16:02:59.13 3.0 undecidable manual P -0.34 0
IV.MMO1.EHZ. 2023-04-11T16:02:59.56 0.6 undecidable manual S 71 36.1416 50 -0.39 45
IV.ATFO.HHZ. 2023-04-11T16:02:59.99 0.3 positive manual P 337 68.8755 50 0.25 65
IV.FDMO.HHZ. 2023-04-11T16:02:58.03 0.3 undecidable manual S 29 30.5472 50 -0.41 68
IV.EL6.EHZ. 2023-04-11T16:02:58.48 0.3 undecidable manual P 15 61.2942 50 -0.09 69
IV.CESX.HHZ. 2023-04-11T16:02:58.91 0.6 undecidable manual S 231 33.2445 50 -0.25 47
IV.MURB.HHZ. 2023-04-11T16:02:58.68 0.1 undecidable manual P 329 60.2952 50 0.26 88
IV.TERO.HHZ. 2023-04-11T16:02:58.27 0.1 undecidable manual P 108 60.0954 50 -0.12 91
IV.MF5.EHZ. 2023-04-11T16:02:57.00 0.1 undecidable manual P 65 49.9167 50 0.19 92
IT.GNU.HGZ. 2023-04-11T16:02:57.55 0.3 undecidable manual S 272 27.2505 50 -0.01 74
IV.FOSV.EHZ. 2023-04-11T16:02:57.77 0.1 undecidable manual P 348 56.5989 50 -0.07 93
IV.ARRO.EHZ. 2023-04-11T16:02:57.20 0.6 undecidable manual S 205 26.5512 110 -0.15 48
IV.MOMA.HHZ. 2023-04-11T16:02:57.56 0.6 undecidable manual S 272 27.2505 50 -0.01 49
IV.CESI.HHZ. 2023-04-11T16:02:56.10 0.6 undecidable manual S 360 23.1546 113 -0.16 48
IV.LNSS.HHZ. 2023-04-11T16:02:56.30 0.6 undecidable manual S 153 24.0537 112 -0.24 47
IV.ATCC.EHZ. 2023-04-11T16:02:56.45 0.3 negative manual P 334 48.2184 50 -0.11 70
IV.SNTG.HHZ. 2023-04-11T16:02:56.94 0.1 undecidable manual P 3 51.0156 50 -0.05 94
IV.GUMA.HHZ. 2023-04-11T16:02:56.26 0.1 undecidable manual P 50 45.8208 50 0.08 94
IV.CSP1.EHZ. 2023-04-11T16:02:55.11 0.1 undecidable manual P 36 40.9257 50 -0.31 91
IV.SMA1.EHZ. 2023-04-11T16:02:55.32 0.1 undecidable manual P 117 39.5271 50 0.1 95
IV.RM33.EHZ. 2023-04-11T16:02:55.19 0.3 undecidable manual P 141 40.626 50 -0.19 70
IV.FEMA.HNZ. 2023-04-11T16:02:55.77 0.1 undecidable manual S 32 21.867 114 -0.08 99
IT.MTCL.HGZ. 2023-04-11T16:02:55.96 0.6 undecidable manual S 19 23.2545 113 -0.33 47
IV.ASSB.HHZ. 2023-04-11T16:02:54.13 0.1 negative manual P 324 33.9438 50 -0.22 94
IV.MMO1.EHZ. 2023-04-11T16:02:54.43 0.1 undecidable manual P 71 36.1416 50 -0.27 92
IV.MML1.EHZ. 2023-04-11T16:02:54.51 0.1 negative manual P 9 35.6421 50 -0.11 96
IV.NRCA.HNZ. 2023-04-11T16:02:54.40 0.6 undecidable manual S 76 17.5713 119 -0.09 49
IV.CESX.HHZ. 2023-04-11T16:02:54.01 0.1 undecidable manual P 231 33.2445 50 -0.23 94
IV.ARRO.EHZ. 2023-04-11T16:02:53.15 0.1 positive manual P 205 26.5512 110 -0.05 98
IV.MOMA.HHZ. 2023-04-11T16:02:53.25 0.1 undecidable manual P 272 27.2505 50 -0.08 98
IV.GAVE.EHZ. 2023-04-11T16:02:53.15 0.3 undecidable manual S 184 11.4774 130 0.38 70
IT.GNU.HGZ. 2023-04-11T16:02:53.15 0.3 undecidable manual P 272 27.2505 50 -0.17 72
IV.FDMO.HHZ. 2023-04-11T16:02:53.59 0.1 positive manual P 29 30.5472 50 -0.24 94
IV.FEMA.HNZ. 2023-04-11T16:02:52.37 0.1 undecidable manual P 32 21.867 114 0.04 99
IT.MTCL.HGZ. 2023-04-11T16:02:52.54 0.1 undecidable manual P 19 23.2545 113 -0.05 99
IV.CESI.HHZ. 2023-04-11T16:02:52.57 0.1 undecidable manual P 360 23.1546 113 0 100
IV.LNSS.HHZ. 2023-04-11T16:02:52.68 0.1 undecidable manual P 153 24.0537 112 -0.05 99
IV.NRCA.HNZ. 2023-04-11T16:02:51.59 0.1 undecidable manual P 76 17.5713 119 0.04 100
IV.GAVE.EHZ. 2023-04-11T16:02:50.99 0.1 positive manual P 184 11.4774 130 0.44 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.HNN. ML:1.9 0.0009299999999999999 0.16 AML other m 2023-04-11T16:02:53.50
IV.GAVE.EHE. ML:2.4 0.002885 0.16 AML other m 2023-04-11T16:02:53.96
IV.GAVE.HNE. ML:2.4 0.0029500000000000004 0.14 AML other m 2023-04-11T16:02:53.95
IV.GAVE.EHN. ML:2.4 0.002785 1.02 AML other m 2023-04-11T16:02:54.51
IV.NRCA.HHN. ML:2.1 0.001125 0.8 AML other m 2023-04-11T16:02:54.51
IV.NRCA.HHE. ML:2.2 0.00148 0.08 AML other m 2023-04-11T16:02:54.79
IV.NRCA.HNE. ML:2.2 0.00138 0.52 AML other m 2023-04-11T16:02:54.79
IV.NRCA.HNN. ML:2.0 0.0009299999999999999 0.08 AML other m 2023-04-11T16:02:54.87
IV.CESI.HHE. ML:2.3 0.001155 0.1 AML other m 2023-04-11T16:02:56.44
IV.CESI.HHN. ML:2.4 0.00175 0.34 AML other m 2023-04-11T16:02:56.46
IV.LNSS.HHN. ML:2.1 0.0007695000000000001 0.14 AML other m 2023-04-11T16:02:56.99
IV.LNSS.HNN. ML:2.1 0.0007844999999999999 0.14 AML other m 2023-04-11T16:02:56.99
IV.LNSS.HNE. ML:2.3 0.001335 0.14 AML other m 2023-04-11T16:02:57.14
IV.LNSS.HHE. ML:2.4 0.001495 0.14 AML other m 2023-04-11T16:02:57.21
IV.ARRO.EHE. ML:1.7 0.00029549999999999997 0.34 AML other m 2023-04-11T16:02:57.90
IV.FDMO.HHN. ML:2.0 0.000528 0.14 AML other m 2023-04-11T16:02:58.24
IV.MOMA.HNN. ML:2.0 0.0005629999999999999 0.92 AML other m 2023-04-11T16:02:58.38
IV.FDMO.HHE. ML:2.2 0.0007284999999999999 0.34 AML other m 2023-04-11T16:02:58.24
IV.MOMA.HHE. ML:2.1 0.0006910000000000001 0.18 AML other m 2023-04-11T16:02:58.43
IV.MOMA.HNE. ML:2.0 0.0006255 0.18 AML other m 2023-04-11T16:02:58.43
IV.MOMA.HHN. ML:0.9 0.000046899999999999995 1.12 AML other m 2023-04-11T16:02:58.19
IV.ARRO.EHN. ML:1.7 0.00026849999999999997 1.44 AML other m 2023-04-11T16:02:59.03
IV.ASSB.HHN. ML:2.0 0.00045099999999999996 0.18 AML other m 2023-04-11T16:02:59.38
IV.MMO1.EHN. ML:2.0 0.0004355 0.4 AML other m 2023-04-11T16:03:00.25
IV.ASSB.HHE. ML:2.0 0.000425 0.64 AML other m 2023-04-11T16:03:00.38
IV.MML1.EHE. ML:2.4 0.0009145000000000001 1.68 AML other m 2023-04-11T16:03:00.12
IV.MML1.HNE. ML:2.3 0.0008785 1.68 AML other m 2023-04-11T16:03:00.12
IV.MML1.EHN. ML:2.2 0.0006630000000000001 0.26 AML other m 2023-04-11T16:03:00.18
IV.MML1.HNN. ML:2.2 0.0006575 0.26 AML other m 2023-04-11T16:03:00.18
IV.CESX.HHN. ML:1.9 0.00033150000000000003 0.38 AML other m 2023-04-11T16:03:00.19
IV.MMO1.EHE. ML:1.9 0.000291 1.18 AML other m 2023-04-11T16:03:00.27
IV.CESX.HHE. ML:1.8 0.0003055 1.52 AML other m 2023-04-11T16:03:00.95
IV.RM33.HNN. ML:1.9 0.00028599999999999996 1.74 AML other m 2023-04-11T16:03:01.99
IV.CSP1.EHE. ML:2.1 0.00044 0.5 AML other m 2023-04-11T16:03:01.74
IV.RM33.EHN. ML:2.0 0.0002985 0.24 AML other m 2023-04-11T16:03:02.12
IV.SMA1.EHE. ML:1.9 0.0002705 0.22 AML other m 2023-04-11T16:03:02.26
IV.RM33.HNE. ML:2.0 0.000306 0.26 AML other m 2023-04-11T16:03:02.40
IV.RM33.EHE. ML:1.9 0.0002535 0.24 AML other m 2023-04-11T16:03:02.41
IV.CSP1.EHN. ML:2.2 0.000569 0.26 AML other m 2023-04-11T16:03:02.54
IV.SMA1.EHN. ML:1.7 0.00016999999999999999 0.26 AML other m 2023-04-11T16:03:02.58
IV.GUMA.HHE. ML:2.0 0.000312 1.44 AML other m 2023-04-11T16:03:03.73
IV.GUMA.HHN. ML:2.1 0.0003975 0.54 AML other m 2023-04-11T16:03:04.71
IV.SNTG.HHN. ML:1.8 0.0001815 0.64 AML other m 2023-04-11T16:03:04.62
IV.SNTG.HHE. ML:1.8 0.0001585 0.12 AML other m 2023-04-11T16:03:04.71
IV.ATCC.EHN. ML:2.3 0.000505 1.02 AML other m 2023-04-11T16:03:04.96
IV.ATCC.HNN. ML:2.3 0.000519 0.62 AML other m 2023-04-11T16:03:04.96
IV.ATCC.EHE. ML:2.1 0.000358 0.84 AML other m 2023-04-11T16:03:05.07
IV.EL6.EHE. ML:2.5 0.0006080000000000001 1.2 AML other m 2023-04-11T16:03:07.60
IV.EL6.EHN. ML:2.3 0.00041349999999999997 0.14 AML other m 2023-04-11T16:03:08.31
IV.MURB.HHN. ML:2.1 0.00025550000000000003 0.8 AML other m 2023-04-11T16:03:08.62
IV.MURB.HHE. ML:2.4 0.00045900000000000004 0.64 AML other m 2023-04-11T16:03:09.53
IV.CING.HHN. ML:1.8 0.0001114 0.44 AML other m 2023-04-11T16:03:10.25
IV.ATFO.HHN. ML:1.9 0.0001435 0.24 AML other m 2023-04-11T16:03:10.64
IV.SSFR.HHE. ML:2.0 0.000158 1.32 AML other m 2023-04-11T16:03:10.15
IV.CING.HHE. ML:1.8 0.00010519999999999998 1.58 AML other m 2023-04-11T16:03:10.05
IV.SSFR.HNN. ML:2.3 0.00034750000000000004 1.58 AML other m 2023-04-11T16:03:11.14
IV.SSFR.HHN. ML:2.2 0.0002505 0.18 AML other m 2023-04-11T16:03:11.23
IV.SSFR.HNE. ML:2.2 0.0002685 0.72 AML other m 2023-04-11T16:03:12.33
IV.ARVD.HHE. ML:1.8 0.00008754999999999999 0.22 AML other m 2023-04-11T16:03:12.71
IV.ARVD.HHN. ML:1.8 0.00008659999999999999 0.18 AML other m 2023-04-11T16:03:12.89
IV.MGAB.HHN. ML:1.7 0.00009140000000000001 0.6 AML other m 2023-04-11T16:03:13.58
IV.MGAB.HHE. ML:1.7 0.00009389999999999999 0.54 AML other m 2023-04-11T16:03:13.93
IV.FRON.EHE. ML:1.6 0.000059749999999999995 1.84 AML other m 2023-04-11T16:03:13.95
IV.FRON.EHN. ML:1.8 0.00007485 0.14 AML other m 2023-04-11T16:03:14.12
IV.ATFO.HHE. ML:1.7 0.00008460000000000001 0.32 AML other m 2023-04-11T16:03:14.17
IV.ATCC.HNE. ML:2.3 0.0006105 0.42 AML other m 2023-04-11T16:03:14.55
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
Waveforms Seismic signals in miniseed + resp format Download