Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 28-09-2022 and time 05:57:08 (Italy) in region 7 km S Castel Ritaldi (PG)

A magnitude ML 1.9 earthquake occured in region: 7 km S Castel Ritaldi (PG), on

  • 28-09-2022 03:57:08 (UTC)
  • 28-09-2022 05:57:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7590, 12.6540 at 9 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.

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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
Spoleto PG 7 38218 38218
Castel Ritaldi PG 7 3278 41496
Giano dell'Umbria PG 10 3846 45342
Massa Martana PG 11 3770 49112
Acquasparta TR 12 4778 53890
Campello sul Clitunno PG 12 2442 56332
Montefalco PG 15 5679 62011
Sant'Anatolia di Narco PG 15 564 62575
Trevi PG 15 8469 71044
Scheggino PG 15 461 71505
Vallo di Nera PG 17 364 71869
Montecastrilli TR 18 5022 76891
San Gemini TR 18 5018 81909
Gualdo Cattaneo PG 19 6155 88064
Ferentillo TR 19 1913 89977
Bevagna PG 20 5081 95058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of Terni (111501 inhabitants)
22 Km S of Foligno (57155 inhabitants)
44 Km SE of Perugia (166134 inhabitants)
59 Km NE of Viterbo (67173 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
87 Km W of Teramo (54892 inhabitants)
89 Km N of Tivoli (56533 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.9 2022-09-28
03:57:08		 42.7593 12.6542 9 2024-03-01
15:28:07		 Bollettino Sismico Italiano INGV 112299631
Reviewed
Rev100 		ML 2.0 2022-09-28
03:57:07		 42.7617 12.6398 9 2022-09-28
04:04:17		 Sala Sismica INGV-Roma 110241751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-28 03:57:08 ± 0.07
Latitude 42.7593 ± 0.0036
Longitude 12.6542 ± 0.0073
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112299631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 556
Semi-minor axis of confidence ellipse (meter) 383
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.94339
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 90
Type of magnitude ML
Reference to an origin 112299631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-19 11:02:54

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 110241751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-28 04:04:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFE.HHZ. 2022-09-28T03:58:23.43 3.0 undecidable manual Sn -3.23 0
IV.GATE.HHZ. 2022-09-28T03:58:16.85 3.0 undecidable manual Sg 2.58 0
IV.CDRU.HNZ. 2022-09-28T03:58:04.65 3.0 undecidable manual Pg 5.96 0
IV.TREG.HNZ. 2022-09-28T03:57:59.66 3.0 negative manual Pg 2.73 0
IV.MCRV.HHZ. 2022-09-28T03:57:55.36 3.0 undecidable manual Pn 0.65 0
IV.GUMA.HHZ. 2022-09-28T03:57:29.46 0.6 undecidable manual S 58 64.7907 50 1.07 33
IV.FIAM.HHZ. 2022-09-28T03:57:28.93 0.6 undecidable manual S 145 66.378 50 0.11 46
IV.PE3.EHZ. 2022-09-28T03:57:27.76 0.6 undecidable manual P 353 104.7174 50 1.8 20
IV.CSP1.EHZ. 2022-09-28T03:57:26.73 0.6 undecidable manual S 50 57.9975 50 0.15 46
IV.RM33.EHZ. 2022-09-28T03:57:25.81 0.3 undecidable manual S 121 53.502 50 0.43 66
IV.MC2.EHZ. 2022-09-28T03:57:24.21 0.3 undecidable manual S 69 46.62 50 0.65 62
IV.ATPI.EHZ. 2022-09-28T03:57:23.16 0.3 undecidable manual P 345 79.365 50 1.1 48
IV.MML1.EHZ. 2022-09-28T03:57:23.98 0.6 undecidable manual S 33 47.0196 50 0.34 45
IV.ARVD.HHZ. 2022-09-28T03:57:22.84 0.3 undecidable manual P 16 85.1481 50 -0.12 66
IV.CAFI.HHZ. 2022-09-28T03:57:22.89 0.3 undecidable manual P 319 84.249 50 0.07 67
IV.TERO.HHZ. 2022-09-28T03:57:22.13 0.3 undecidable manual P 101 78.8655 50 0.14 67
IT.MTCL.HGE. 2022-09-28T03:57:21.00 0.3 undecidable manual S 47 38.2284 50 -0.32 69
IV.SSFR.HHZ. 2022-09-28T03:57:21.51 0.3 undecidable manual P 8 75.7686 50 0 69
IV.MF5.EHZ. 2022-09-28T03:57:21.08 0.3 undecidable manual P 69 70.1742 50 0.43 64
IV.CING.HHZ. 2022-09-28T03:57:21.89 0.3 undecidable manual P 33 81.252 50 -0.45 62
IV.ATMI.HHZ. 2022-09-28T03:57:21.18 0.6 undecidable manual P 334 71.0733 50 0.41 43
IV.NRCA.HHZ. 2022-09-28T03:57:21.07 0.3 undecidable manual S 77 38.3283 50 -0.27 70
IV.EL6.EHZ. 2022-09-28T03:57:20.97 0.3 undecidable manual P 30 72.8715 50 -0.09 68
IV.GUMA.HHZ. 2022-09-28T03:57:20.05 0.3 undecidable manual P 58 64.7907 50 0.24 67
IV.LNSS.HHZ. 2022-09-28T03:57:20.20 0.3 undecidable manual S 119 35.9418 50 -0.5 67
IV.ASSB.HHZ. 2022-09-28T03:57:19.36 0.3 undecidable manual S 1 31.4463 105 -0.03 75
IV.CESI.HHZ. 2022-09-28T03:57:19.97 0.3 undecidable manual S 37 34.0437 50 -0.21 72
IV.SACS.HHZ. 2022-09-28T03:57:19.37 0.3 undecidable manual P 280 61.3941 50 0.08 70
IV.FIAM.HHZ. 2022-09-28T03:57:19.73 0.3 undecidable manual P 145 66.378 50 -0.32 66
IV.MMO1.EHZ. 2022-09-28T03:57:18.30 1.0 undecidable manual P 74 56.8986 50 -0.29 23
IV.MURB.HHZ. 2022-09-28T03:57:18.55 0.3 undecidable manual P 349 56.7987 50 -0.04 71
IV.CSP1.EHZ. 2022-09-28T03:57:18.57 0.3 undecidable manual P 50 57.9975 50 -0.19 69
IV.SMA1.EHZ. 2022-09-28T03:57:18.49 0.3 undecidable manual P 104 57.2982 50 -0.17 69
IV.MGAB.HHZ. 2022-09-28T03:57:17.12 0.3 undecidable manual P 291 47.2194 50 0.01 73
IV.ARRO.EHZ. 2022-09-28T03:57:17.24 0.3 undecidable manual S 155 21.9669 111 0.98 56
IV.RM33.EHZ. 2022-09-28T03:57:17.72 0.3 undecidable manual P 121 53.502 50 -0.35 67
IV.ATCC.EHZ. 2022-09-28T03:57:16.93 0.3 undecidable manual P 359 47.2194 50 -0.18 70
IV.GAVE.EHZ. 2022-09-28T03:57:16.14 0.6 undecidable manual S 111 20.9679 112 0.21 49
IV.MC2.EHZ. 2022-09-28T03:57:16.89 0.3 undecidable manual P 69 46.62 50 -0.13 71
IV.MML1.EHZ. 2022-09-28T03:57:16.82 0.3 undecidable manual P 33 47.0196 50 -0.25 69
IV.NRCA.HHZ. 2022-09-28T03:57:15.40 0.3 undecidable manual P 77 38.3283 50 -0.34 69
IT.MTCL.HGE. 2022-09-28T03:57:15.81 0.3 undecidable manual P 47 38.2284 50 0.09 73
IV.CESX.HHZ. 2022-09-28T03:57:14.83 0.3 undecidable manual S 198 17.5713 116 -0.05 76
IV.ASSB.HHZ. 2022-09-28T03:57:14.24 1.0 undecidable manual P 1 31.4463 105 -0.37 23
IV.CESI.HHZ. 2022-09-28T03:57:14.78 0.3 undecidable manual P 37 34.0437 50 -0.29 70
IV.LNSS.HHZ. 2022-09-28T03:57:14.94 0.3 undecidable manual P 119 35.9418 50 -0.43 68
IT.GNU.HGE. 2022-09-28T03:57:12.11 0.3 undecidable manual S 306 8.3805 135 -0.14 76
IV.ARRO.EHZ. 2022-09-28T03:57:12.72 0.1 positive manual P 155 21.9669 111 -0.09 100
IV.GAVE.EHZ. 2022-09-28T03:57:12.50 0.6 undecidable manual P 111 20.9679 112 -0.12 50
IV.CESX.HHZ. 2022-09-28T03:57:11.88 0.1 positive manual P 198 17.5713 116 -0.13 100
IT.GNU.HGE. 2022-09-28T03:57:10.50 0.3 undecidable manual P 306 8.3805 135 0.01 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:2.3 0.00163 0.2 AML other m 2022-09-28T03:57:15.76
IV.CESX.HHE. ML:2.2 0.0013387250000000002 0.3584 AML other m 2022-09-28T03:57:15.85
IV.GAVE.HNE. ML:1.8 0.0005367534000000001 0.2304 AML other m 2022-09-28T03:57:17.56
IV.GAVE.EHE. ML:1.9 0.0005549999999999999 0.22 AML other m 2022-09-28T03:57:17.68
IV.ARRO.EHE. ML:1.8 0.00040149999999999995 0.18 AML other m 2022-09-28T03:57:17.61
IV.ARRO.EHN. ML:1.9 0.000576 0.16 AML other m 2022-09-28T03:57:17.68
IV.GAVE.EHN. ML:1.8 0.0005473238999999999 0.24 AML other m 2022-09-28T03:57:18.28
IV.GAVE.HNN. ML:1.5 0.00022042185000000001 0.24 AML other m 2022-09-28T03:57:18.16
IV.ASSB.HHE. ML:1.9 0.00036628605 0.24 AML other m 2022-09-28T03:57:19.75
IV.ASSB.HHN. ML:1.9 0.000374 1.8 AML other m 2022-09-28T03:57:20.07
IV.NRCA.HHE. ML:1.9 0.00029651345000000003 0.0992 AML other m 2022-09-28T03:57:21.55
IV.NRCA.HNE. ML:1.9 0.00027342135 0.0992 AML other m 2022-09-28T03:57:21.55
IV.MML1.HNN. ML:2.7 0.0014495145 0.9792 AML other m 2022-09-28T03:57:21.38
IV.CESI.HHN. ML:2.0 0.00037582715 0.3776 AML other m 2022-09-28T03:57:22.26
IV.CESI.HNN. ML:2.0 0.0003766732 0.3808 AML other m 2022-09-28T03:57:22.45
IV.LNSS.HNN. ML:2.0 0.00035623570000000007 0.1792 AML other m 2022-09-28T03:57:22.47
IV.LNSS.HHN. ML:2.0 0.00038449999999999997 0.18 AML other m 2022-09-28T03:57:22.47
IV.CESI.HHE. ML:1.5 0.00014003992500000002 0.1792 AML other m 2022-09-28T03:57:23.16
IV.CESI.HNE. ML:1.6 0.00015123992 0.1696 AML other m 2022-09-28T03:57:23.16
IV.NRCA.HNN. ML:1.8 0.00023402155000000003 0.1024 AML other m 2022-09-28T03:57:23.21
IV.NRCA.HHN. ML:1.8 0.00023364229999999996 0.1024 AML other m 2022-09-28T03:57:23.26
IV.RM33.HNN. ML:1.8 0.00014038588500000002 0.7776 AML other m 2022-09-28T03:57:22.88
IV.LNSS.HHE. ML:2.0 0.00037203560000000004 0.1408 AML other m 2022-09-28T03:57:23.24
IV.LNSS.HNE. ML:1.9 0.00031569139999999997 0.1408 AML other m 2022-09-28T03:57:23.31
IV.ATCC.EHN. ML:1.8 0.00017869235 0.2176 AML other m 2022-09-28T03:57:24.53
IV.ATCC.HNE. ML:2.0 0.00028849999999999997 0.38 AML other m 2022-09-28T03:57:24.96
IV.ATCC.EHE. ML:1.9 0.00022676665000000002 0.3584 AML other m 2022-09-28T03:57:24.96
IV.ATPI.HNE. ML:1.9 0.000119519585 1.0624 AML other m 2022-09-28T03:57:24.90
IV.MML1.EHN. ML:1.7 0.00014844344999999997 0.2208 AML other m 2022-09-28T03:57:25.13
IV.MML1.HNE. ML:1.7 0.000148993965 0.2016 AML other m 2022-09-28T03:57:25.13
IV.MC2.EHN. ML:2.0 0.00032099999999999994 0.18 AML other m 2022-09-28T03:57:25.36
IV.ATCC.HNN. ML:1.8 0.0001938315 0.368 AML other m 2022-09-28T03:57:25.53
IV.MC2.EHE. ML:2.1 0.00039312045 0.3808 AML other m 2022-09-28T03:57:26.58
IV.MML1.EHE. ML:1.7 0.00014415484 0.2016 AML other m 2022-09-28T03:57:26.91
IV.MF5.EHN. ML:1.9 0.00012831675 1.8208 AML other m 2022-09-28T03:57:27.73
IV.MMO1.EHE. ML:1.7 0.00011750601000000001 0.3392 AML other m 2022-09-28T03:57:27.17
IV.CSP1.EHN. ML:2.2 0.00038047644999999997 0.32 AML other m 2022-09-28T03:57:27.57
IV.MGAB.HHE. ML:1.8 0.000201 0.24 AML other m 2022-09-28T03:57:27.72
IV.MGAB.HNE. ML:1.8 0.0001977159 0.24 AML other m 2022-09-28T03:57:27.72
IV.RM33.EHN. ML:1.7 0.000132 0.48 AML other m 2022-09-28T03:57:27.94
IV.SMA1.EHN. ML:1.9 0.00016249999999999997 0.84 AML other m 2022-09-28T03:57:27.54
IV.MMO1.EHN. ML:1.8 0.000142 1.66 AML other m 2022-09-28T03:57:28.02
IV.CAFI.HNN. ML:1.8 0.000089787285 0.7616 AML other m 2022-09-28T03:57:27.77
IV.TERO.HNE. ML:2.0 0.000145029405 0.7584 AML other m 2022-09-28T03:57:27.85
IV.CSP1.EHE. ML:2.2 0.0003185 1.42 AML other m 2022-09-28T03:57:28.99
IV.SMA1.EHE. ML:1.8 0.00014479290000000001 0.2016 AML other m 2022-09-28T03:57:28.38
IV.MF5.EHE. ML:1.8 0.00011369385500000001 1.7216 AML other m 2022-09-28T03:57:28.29
IV.RM33.EHE. ML:1.7 0.00011991161499999999 0.1376 AML other m 2022-09-28T03:57:28.51
IV.MGAB.HHN. ML:1.7 0.00013779429500000002 0.2976 AML other m 2022-09-28T03:57:29.32
IV.GUMA.HHN. ML:2.1 0.000237 1.6 AML other m 2022-09-28T03:57:32.88
IV.EL6.EHE. ML:2.2 0.00024632325 0.1792 AML other m 2022-09-28T03:57:32.89
IV.GUMA.HNN. ML:2.0 0.0001814931 0.3072 AML other m 2022-09-28T03:57:33.08
IV.EL6.EHN. ML:2.2 0.00024021254999999998 0.2208 AML other m 2022-09-28T03:57:33.21
IV.SSFR.HHE. ML:2.2 0.00021450000000000004 0.26 AML other m 2022-09-28T03:57:33.27
IV.SACS.HHN. ML:1.5 0.000062226775 0.3808 AML other m 2022-09-28T03:57:33.41
IV.SSFR.HHN. ML:2.0 0.00014150000000000002 0.72 AML other m 2022-09-28T03:57:33.53
IV.SSFR.HNE. ML:2.2 0.0002241776 0.24 AML other m 2022-09-28T03:57:34.08
IV.SACS.HNE. ML:1.8 0.000122552 0.7488 AML other m 2022-09-28T03:57:34.66
IV.MMO1.HNN. ML:3.3 0.00432218635 0.752 AML other m 2022-09-28T03:57:35.01
IV.SACS.HNN. ML:1.7 0.00010160518 0.9408 AML other m 2022-09-28T03:57:34.83
IV.FIAM.HHN. ML:1.6 0.0000718433 0.3968 AML other m 2022-09-28T03:57:35.34
IV.FIAM.HHE. ML:1.6 0.000068822505 0.3424 AML other m 2022-09-28T03:57:35.35
IV.CING.HHE. ML:1.7 0.000076000965 0.1984 AML other m 2022-09-28T03:57:35.49
IV.CING.HHN. ML:1.8 0.00009714712999999999 0.24 AML other m 2022-09-28T03:57:35.73
IV.ATMI.HHN. ML:2.2 0.000234 0.5 AML other m 2022-09-28T03:57:36.25
IV.RM33.HNE. ML:1.7 0.00012591502500000003 0.4992 AML other m 2022-09-28T03:57:36.06
IV.TERO.HHN. ML:1.5 0.000045642105 0.2816 AML other m 2022-09-28T03:57:37.00
IV.ATMI.HHE. ML:2.3 0.0003015 0.42 AML other m 2022-09-28T03:57:36.69
IV.ATPI.EHE. ML:1.5 0.00004601611 0.3584 AML other m 2022-09-28T03:57:36.91
IV.FIAM.HNE. ML:2.0 0.00016222144999999998 1.0592 AML other m 2022-09-28T03:57:37.13
IV.CAFI.HNE. ML:1.6 0.00005535434 0.7104 AML other m 2022-09-28T03:57:37.32
IV.MMO1.HNE. ML:3.5 0.0068730004999999995 0.6208 AML other m 2022-09-28T03:57:38.20
IV.CAFI.HHE. ML:1.7 0.000057999999999999994 0.56 AML other m 2022-09-28T03:57:38.04
IV.SSFR.HNN. ML:2.1 0.00018245329999999998 0.5408 AML other m 2022-09-28T03:57:38.52
IV.ATPI.EHN. ML:1.6 0.000055050585 0.48 AML other m 2022-09-28T03:57:38.44
IV.CAFI.HHN. ML:1.6 0.0000507 0.68 AML other m 2022-09-28T03:57:38.92
IV.MGAB.HNN. ML:1.7 0.000154894055 0.5984 AML other m 2022-09-28T03:57:39.38
IV.GUMA.HHE. ML:2.1 0.00021534345000000002 0.32 AML other m 2022-09-28T03:57:40.03
IV.FIAM.HNN. ML:2.7 0.00100777625 0.5888 AML other m 2022-09-28T03:57:40.36
IV.ATPI.HNN. ML:2.0 0.000129915185 0.9216 AML other m 2022-09-28T03:57:43.55
IV.CING.HNN. ML:3.7 0.0072202135 0.832 AML other m 2022-09-28T03:57:45.36
IV.SACS.HHE. ML:1.4 0.00004787385499999999 1.7024 AML other m 2022-09-28T03:57:45.17
IV.GUMA.HNE. ML:2.1 0.0002530524 0.9312 AML other m 2022-09-28T03:57:45.74
IV.PE3.EHE. ML:1.8 0.000066825625 0.5408 AML other m 2022-09-28T03:57:49.12
IV.PE3.EHN. ML:2.1 0.00011255592999999999 0.5024 AML other m 2022-09-28T03:57:50.91
IV.TERO.HHE. ML:2.7 0.00077271315 0.56 AML other m 2022-09-28T03:57:50.81
IV.CING.HNE. ML:3.6 0.0051924365000000005 0.7104 AML other m 2022-09-28T03:57:51.65
IV.TERO.HNN. ML:2.0 0.000159440525 0.8704 AML other m 2022-09-28T03:57:55.17
IV.MCRV.HHE. ML:2.7 0.00005319818 1.6992 AML other m 2022-09-28T03:58:29.30
IV.MCRV.HHN. ML:2.1 0.000016979555 0.4 AML other m 2022-09-28T03:58:47.73
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