Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-05-2022 and time 03:39:14 (UTC) in region 2 km NE Castel Ritaldi (PG)

A magnitude ML 1.8 earthquake occured in region: 2 km NE Castel Ritaldi (PG), on

  • 19-05-2022 03:39:14 (UTC)
  • 19-05-2022 05:39:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8390, 12.6950 at 16 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
Castel Ritaldi PG 2 3278 3278
Trevi PG 6 8469 11747
Campello sul Clitunno PG 7 2442 14189
Montefalco PG 7 5679 19868
Giano dell'Umbria PG 10 3846 23714
Spoleto PG 12 38218 61932
Bevagna PG 13 5081 67013
Foligno PG 13 57155 124168
Gualdo Cattaneo PG 14 6155 130323
Massa Martana PG 16 3770 134093
Vallo di Nera PG 16 364 134457
Sant'Anatolia di Narco PG 16 564 135021
Spello PG 17 8645 143666
Scheggino PG 18 461 144127
Cerreto di Spoleto PG 18 1075 145202
Cannara PG 20 4305 149507
Sellano PG 20 1079 150586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Foligno (57155 inhabitants)
31 Km N of Terni (111501 inhabitants)
39 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
85 Km W of Teramo (54892 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
98 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 1.8 2022-05-19
03:39:14		 42.8387 12.6947 16 2023-01-31
19:03:25		 Bollettino Sismico Italiano INGV 107735471
Reviewed
Rev100 		ML 1.8 2022-05-19
03:39:14		 42.8372 12.6858 17 2022-05-19
03:44:08		 Sala Sismica INGV-Roma 104844861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-19 03:39:14 ± 0.06
Latitude 42.8387 ± 0.0018
Longitude 12.6947 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 107735471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 266
Semi-minor axis of confidence ellipse (meter) 241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70597
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 107735471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-07-27 04:36:09

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 104844861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-19 03:44:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2022-05-19T03:39:37.56 3.0 undecidable manual S -0.03 0
IV.MURB.HHE. 2022-05-19T03:39:31.60 0.6 undecidable manual S 344 49.0176 97 1.38 29
IV.CSP1.EHZ. 2022-05-19T03:39:30.70 0.6 undecidable manual S 56 50.0166 97 0.21 46
IV.SNTG.HHZ. 2022-05-19T03:39:30.90 0.6 undecidable manual S 23 50.3163 97 0.34 45
IV.PIEI.HHZ. 2022-05-19T03:39:28.31 0.6 undecidable manual P 351 78.366 94 0.19 44
IV.MC2.EHZ. 2022-05-19T03:39:28.60 0.6 undecidable manual S 78 41.0256 99 0.5 44
IV.ARVD.HHZ. 2022-05-19T03:39:27.67 0.3 undecidable manual P 15 75.7686 94 -0.06 68
IV.ATCC.EHZ. 2022-05-19T03:39:27.70 0.6 undecidable manual S 353 38.628 100 0.21 47
IV.MML1.HNE. 2022-05-19T03:39:27.20 0.6 undecidable manual S 36 37.8288 100 -0.08 48
IV.FRON.EHZ. 2022-05-19T03:39:27.56 1.0 undecidable manual P 2 75.369 94 -0.1 22
IV.MTL1.HNN. 2022-05-19T03:39:27.87 1.0 undecidable manual P 29 52.9026 96 3.65 1
IV.LNSS.HHZ. 2022-05-19T03:39:27.50 0.6 undecidable manual S 133 38.4282 100 0.07 48
IV.CING.HHZ. 2022-05-19T03:39:27.16 3.0 positive manual P -0.17 0
IV.NRCA.HHZ. 2022-05-19T03:39:26.20 0.6 undecidable manual S 91 34.1436 102 -0.1 49
IV.MF5.EHZ. 2022-05-19T03:39:26.43 0.6 undecidable manual P 75 64.2912 95 0.47 43
IV.SSFR.HHZ. 2022-05-19T03:39:26.38 0.3 undecidable manual P 6 66.6777 95 0.06 69
IV.ARRO.EHZ. 2022-05-19T03:39:25.20 0.3 undecidable manual S 169 29.3484 105 0.14 73
IV.FEMA.HNE. 2022-05-19T03:39:25.90 0.6 undecidable manual S 65 31.9458 103 0.18 48
IT.MTCL.HGZ. 2022-05-19T03:39:25.10 0.6 undecidable manual S 55 30.1476 104 -0.16 48
IV.RM33.EHZ. 2022-05-19T03:39:24.63 0.1 undecidable manual P 131 55.9995 96 -0.06 94
IV.CESX.HHZ. 2022-05-19T03:39:24.40 0.6 undecidable manual S 199 27.0507 107 -0.05 50
IV.SMA1.EHZ. 2022-05-19T03:39:24.96 0.6 undecidable manual P 114 57.0984 96 0.11 46
IV.FOSV.EHZ. 2022-05-19T03:39:23.84 0.1 undecidable manual P 6 50.9157 97 -0.06 94
IV.MURB.HHE. 2022-05-19T03:39:23.46 0.1 undecidable manual P 344 49.0176 97 -0.16 93
IV.CESI.HHZ. 2022-05-19T03:39:23.80 0.6 undecidable manual S 43 25.1526 109 -0.17 49
IV.CSP1.EHZ. 2022-05-19T03:39:23.77 0.6 undecidable manual P 56 50.0166 97 0 48
IV.GAVE.EHZ. 2022-05-19T03:39:23.40 0.6 undecidable manual S 135 22.9548 111 -0.04 50
IV.MMO1.EHZ. 2022-05-19T03:39:23.92 0.1 undecidable manual P 82 51.8037 97 -0.13 93
IV.SNTG.HHZ. 2022-05-19T03:39:23.67 0.1 undecidable manual P 23 50.3163 97 -0.14 93
IV.ASSB.HHZ. 2022-05-19T03:39:23.20 0.3 undecidable manual S 353 22.755 111 -0.19 73
IV.MC2.EHZ. 2022-05-19T03:39:22.35 0.1 undecidable manual P 78 41.0256 99 -0.04 97
IV.ATCC.EHZ. 2022-05-19T03:39:22.01 1.0 undecidable manual P 353 38.628 100 -0.03 24
IV.NRCA.HHZ. 2022-05-19T03:39:21.21 0.1 negative manual P 91 34.1436 102 -0.14 96
IV.MML1.HNE. 2022-05-19T03:39:21.77 0.1 undecidable manual P 36 37.8288 100 -0.15 95
IT.FOPC.HGZ. 2022-05-19T03:39:21.50 0.6 undecidable manual S 3 14.5743 127 0.04 50
IV.LNSS.HHZ. 2022-05-19T03:39:21.87 0.3 undecidable manual P 133 38.4282 100 -0.14 72
IV.CESX.HHZ. 2022-05-19T03:39:20.21 0.1 positive manual P 199 27.0507 107 -0.08 98
IT.MTCL.HGZ. 2022-05-19T03:39:20.62 0.3 undecidable manual P 55 30.1476 104 -0.14 73
IV.MOMA.HHZ. 2022-05-19T03:39:20.60 0.6 undecidable manual S 249 10.878 138 -0.13 50
IV.ARRO.EHZ. 2022-05-19T03:39:20.67 0.3 undecidable manual P 169 29.3484 105 0.03 74
IV.FEMA.HNE. 2022-05-19T03:39:20.99 0.6 undecidable manual P 65 31.9458 103 -0.03 49
IT.GNU.HGZ. 2022-05-19T03:39:20.70 0.6 undecidable manual S 249 10.878 138 -0.03 52
IV.ASSB.HHZ. 2022-05-19T03:39:19.62 0.1 positive manual P 353 22.755 111 -0.06 100
IV.CESI.HHZ. 2022-05-19T03:39:19.96 0.1 positive manual P 43 25.1526 109 -0.05 100
IV.GAVE.EHZ. 2022-05-19T03:39:19.74 0.1 negative manual P 135 22.9548 111 0.04 100
IV.MOMA.HHZ. 2022-05-19T03:39:18.20 0.6 undecidable manual P 249 10.878 138 0.06 51
IT.FOPC.HGZ. 2022-05-19T03:39:18.53 0.3 undecidable manual P 3 14.5743 127 -0.03 76
IT.GNU.HGZ. 2022-05-19T03:39:18.22 0.3 undecidable manual P 249 10.878 138 0.08 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:2.0 0.00096194315 0.12 AML other m 2022-05-19T03:39:21.27
IV.MOMA.HNN. ML:2.0 0.0009135889500000001 0.1296 AML other m 2022-05-19T03:39:21.28
IV.MOMA.HHE. ML:2.0 0.00097052915 0.1392 AML other m 2022-05-19T03:39:21.57
IV.MOMA.HNE. ML:2.0 0.00087200335 0.1392 AML other m 2022-05-19T03:39:21.57
IV.ASSB.HHE. ML:1.8 0.000383 0.4 AML other m 2022-05-19T03:39:23.43
IV.ASSB.HHN. ML:1.8 0.00034899999999999997 0.18 AML other m 2022-05-19T03:39:23.66
IV.GAVE.EHN. ML:2.3 0.0010509999999999999 0.16 AML other m 2022-05-19T03:39:23.82
IV.CESI.HHN. ML:1.8 0.0003095 0.66 AML other m 2022-05-19T03:39:24.51
IV.CESI.HHE. ML:1.5 0.00017199999999999998 0.32 AML other m 2022-05-19T03:39:24.22
IV.GAVE.EHE. ML:2.1 0.00072875125 0.1392 AML other m 2022-05-19T03:39:24.49
IV.ARRO.EHE. ML:1.5 0.00013450000000000002 0.28 AML other m 2022-05-19T03:39:25.49
IV.CESX.HHE. ML:1.4 0.00011999999999999999 0.24 AML other m 2022-05-19T03:39:26.29
IV.CESX.HHN. ML:1.4 0.00013550000000000001 0.28 AML other m 2022-05-19T03:39:26.25
IV.NRCA.HHN. ML:1.6 0.00016599999999999997 0.44 AML other m 2022-05-19T03:39:27.34
IV.NRCA.HHE. ML:1.6 0.0001705 1.22 AML other m 2022-05-19T03:39:27.21
IV.ARRO.EHN. ML:1.3 0.00008835 1.26 AML other m 2022-05-19T03:39:27.92
IV.ATCC.HNN. ML:2.0 0.0003235 0.72 AML other m 2022-05-19T03:39:28.12
IV.ATCC.EHN. ML:2.0 0.000348 1.68 AML other m 2022-05-19T03:39:28.13
IV.ATCC.HNE. ML:2.0 0.00030400000000000007 0.14 AML other m 2022-05-19T03:39:28.14
IV.ATCC.EHE. ML:1.9 0.000253 0.26 AML other m 2022-05-19T03:39:28.21
IV.LNSS.HHN. ML:1.7 0.00018099999999999998 1.34 AML other m 2022-05-19T03:39:28.89
IV.LNSS.HHE. ML:1.8 0.00023649999999999998 0.34 AML other m 2022-05-19T03:39:28.69
IV.CSP1.EHN. ML:2.2 0.000434 0.52 AML other m 2022-05-19T03:39:31.07
IV.MMO1.EHN. ML:1.9 0.000183 0.4 AML other m 2022-05-19T03:39:31.48
IV.CSP1.EHE. ML:2.2 0.00037710900000000004 0.4192 AML other m 2022-05-19T03:39:31.54
IV.SNTG.HHE. ML:1.2 0.00003515 0.64 AML other m 2022-05-19T03:39:31.54
IV.MMO1.EHE. ML:1.8 0.000152 1.76 AML other m 2022-05-19T03:39:31.07
IV.SNTG.HHN. ML:1.2 0.00003695 1.08 AML other m 2022-05-19T03:39:32.38
IV.RM33.EHN. ML:1.4 0.00005715000000000001 0.14 AML other m 2022-05-19T03:39:33.48
IV.RM33.EHE. ML:1.6 0.0000824 0.4 AML other m 2022-05-19T03:39:33.72
IV.SSFR.HHE. ML:1.5 0.0000609 0.64 AML other m 2022-05-19T03:39:36.19
IV.SSFR.HHN. ML:1.5 0.000050900000000000004 1.12 AML other m 2022-05-19T03:39:37.61
IV.GAVE.HNE. ML:2.2 0.0008206364500000001 0.1504 AML other m 2022-05-19T03:39:23.82
IV.GAVE.HNN. ML:1.7 0.0002725777 0.1488 AML other m 2022-05-19T03:39:23.81
IV.NRCA.HNN. ML:1.8 0.00024492225 0.6112 AML other m 2022-05-19T03:39:26.53
IV.NRCA.HNE. ML:1.6 0.00015362625 0.1104 AML other m 2022-05-19T03:39:27.21
IV.MC2.EHE. ML:1.8 0.00022209045499999998 0.28 AML other m 2022-05-19T03:39:29.88
IV.MC2.EHN. ML:1.9 0.000265047865 0.2384 AML other m 2022-05-19T03:39:30.21
IV.SMA1.EHN. ML:1.3 0.000046457745 0.32 AML other m 2022-05-19T03:39:35.03
IV.SMA1.EHE. ML:1.3 0.00004236934 0.2 AML other m 2022-05-19T03:39:34.19
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