Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 02-04-2022 and time 06:37:14 (Italy) in region 3 km S Massa Martana (PG)

A magnitude ML 1.9 earthquake occured in region: 3 km S Massa Martana (PG), on

  • 02-04-2022 04:37:14 (UTC)
  • 02-04-2022 06:37:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7480, 12.5310 at 8 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Massa Martana PG 3 3770 3770
Acquasparta TR 6 4778 8548
Giano dell'Umbria PG 10 3846 12394
Todi PG 11 16851 29245
Montecastrilli TR 11 5022 34267
Avigliano Umbro TR 13 2558 36825
Castel Ritaldi PG 14 3278 40103
San Gemini TR 15 5018 45121
Spoleto PG 17 38218 83339
Monte Castello di Vibio PG 18 1567 84906
Collazzone PG 18 3473 88379
Fratta Todina PG 18 1839 90218
Gualdo Cattaneo PG 18 6155 96373
Montefalco PG 19 5679 102052

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Terni (111501 inhabitants)
27 Km SW of Foligno (57155 inhabitants)
42 Km S of Perugia (166134 inhabitants)
51 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
90 Km N of Tivoli (56533 inhabitants)
95 Km NE of Civitavecchia (52991 inhabitants)
95 Km N of Roma (2864731 inhabitants)
96 Km SE of Arezzo (99543 inhabitants)
96 Km W of Teramo (54892 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 2022-04-02
04:37:14		 42.7482 12.5312 8 2022-07-08
12:34:02		 Bollettino Sismico Italiano INGV 105988941
Reviewed
Rev100 		ML 2.1 2022-04-02
04:37:14		 42.7508 12.5187 8 2022-04-02
04:41:40		 Sala Sismica INGV-Roma 102692821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-02 04:37:14 ± 0.06
Latitude 42.7482 ± 0.0027
Longitude 12.5312 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105988941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.80669
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 69
Type of magnitude ML
Reference to an origin 105988941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-13 15:23:45

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 102692821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-02 04:41:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2022-04-02T04:37:38.93 0.3 undecidable manual S 325 79.0653 50 0.54 61
IV.FIAM.HHZ. 2022-04-02T04:37:36.33 0.3 undecidable manual S 138 71.6727 50 -0.08 69
IV.CSP1.EHZ. 2022-04-02T04:37:35.61 0.3 undecidable manual S 55 66.6777 50 0.52 63
IV.MMO1.EHZ. 2022-04-02T04:37:35.43 0.3 undecidable manual S 75 66.8775 50 0.29 66
IV.SMA1.EHZ. 2022-04-02T04:37:35.45 0.3 undecidable manual S 101 66.8775 50 0.32 66
IV.SNTG.HHZ. 2022-04-02T04:37:35.29 0.3 undecidable manual S 30 65.2902 50 0.57 62
IV.ATMI.HHZ. 2022-04-02T04:37:35.97 0.3 undecidable manual S 342 68.376 50 0.42 64
IV.RM33.EHZ. 2022-04-02T04:37:34.08 0.3 undecidable manual S 115 61.7937 50 0.31 67
IV.MURB.HHZ. 2022-04-02T04:37:32.98 0.3 undecidable manual S 359 57.0984 50 0.45 65
IV.MC2.EHZ. 2022-04-02T04:37:32.83 0.3 undecidable manual S 71 56.499 50 0.46 65
IV.SRES.HHZ. 2022-04-02T04:37:32.47 0.3 undecidable manual S 182 56.6988 50 0.04 71
IV.FDMO.HHZ. 2022-04-02T04:37:32.14 0.3 undecidable manual S 55 55.4001 50 0.07 71
IV.MML1.EHZ. 2022-04-02T04:37:31.71 0.3 undecidable manual S 41 54.1014 50 -0.01 72
IV.SACS.HHZ. 2022-04-02T04:37:31.20 0.3 undecidable manual S 283 51.8037 50 0.08 71
IV.ATCC.EHZ. 2022-04-02T04:37:30.32 0.3 undecidable manual S 10 49.3173 50 -0.12 71
IV.NRCA.HHZ. 2022-04-02T04:37:30.10 0.3 undecidable manual S 79 48.4182 50 -0.11 71
IV.ARVD.HHZ. 2022-04-02T04:37:29.70 1.0 undecidable manual P 22 89.5437 50 -0.05 22
IV.LNSS.HHZ. 2022-04-02T04:37:29.22 0.3 undecidable manual S 111 44.5221 50 0.04 73
IV.PIEI.HHZ. 2022-04-02T04:37:29.72 0.3 undecidable manual P 0 87.3459 50 0.31 64
IV.CESI.HHZ. 2022-04-02T04:37:28.25 0.3 undecidable manual S 47 41.625 50 -0.15 72
IV.MF5.EHZ. 2022-04-02T04:37:28.64 0.6 undecidable manual P 70 80.0643 50 0.36 43
IV.CAFI.HHZ. 2022-04-02T04:37:27.96 0.3 undecidable manual P 325 79.0653 50 -0.17 67
IV.GUMA.HHZ. 2022-04-02T04:37:27.49 0.6 undecidable manual P 62 74.0703 50 0.13 45
IV.MGAB.HHZ. 2022-04-02T04:37:27.48 0.3 undecidable manual S 298 38.628 50 -0.13 72
IV.SMA1.EHZ. 2022-04-02T04:37:26.16 0.6 undecidable manual P 101 66.8775 50 -0.09 46
IV.ATMI.HHZ. 2022-04-02T04:37:26.64 0.3 undecidable manual P 342 68.376 50 0.15 68
IV.FIAM.HHZ. 2022-04-02T04:37:26.73 0.6 undecidable manual P 138 71.6727 50 -0.26 44
IV.ATVO.HHZ. 2022-04-02T04:37:26.77 0.3 undecidable manual P 352 71.0733 50 -0.13 68
IV.CSP1.EHZ. 2022-04-02T04:37:26.03 0.1 undecidable manual P 55 66.6777 50 -0.2 90
IT.MMP1.HGE. 2022-04-02T04:37:25.02 1.0 undecidable manual P 162 58.0974 50 0.11 23
IV.SNTG.HHZ. 2022-04-02T04:37:25.72 0.3 undecidable manual P 30 65.2902 50 -0.29 67
IV.LATE.HHN. 2022-04-02T04:37:25.98 0.6 undecidable manual P 256 61.1943 50 0.61 41
IV.GAVE.EHZ. 2022-04-02T04:37:25.09 0.3 undecidable manual S 102 30.2475 105 0.13 73
IV.ASSB.HHZ. 2022-04-02T04:37:25.86 0.3 undecidable manual S 18 34.2435 103 -0.46 68
IV.RM33.EHZ. 2022-04-02T04:37:25.04 0.1 undecidable manual P 115 61.7937 50 -0.43 87
IV.MMO1.EHZ. 2022-04-02T04:37:25.99 0.3 undecidable manual P 75 66.8775 50 -0.26 67
IV.MC2.EHZ. 2022-04-02T04:37:24.44 0.1 undecidable manual P 71 56.499 50 -0.22 92
IV.SRES.HHZ. 2022-04-02T04:37:24.61 0.1 undecidable manual P 182 56.6988 50 -0.09 94
IV.ARRO.EHZ. 2022-04-02T04:37:24.11 0.3 undecidable manual S 134 26.751 106 0.3 71
IV.FDMO.HHZ. 2022-04-02T04:37:24.18 0.1 positive manual P 55 55.4001 50 -0.3 90
IV.MURB.HHZ. 2022-04-02T04:37:24.75 0.1 undecidable manual P 359 57.0984 50 0 96
IV.NRCA.HHZ. 2022-04-02T04:37:23.09 0.1 undecidable manual P 79 48.4182 50 -0.32 91
IV.SACS.HHZ. 2022-04-02T04:37:23.86 0.1 undecidable manual P 283 51.8037 50 -0.08 95
IV.ATCC.EHZ. 2022-04-02T04:37:23.25 0.1 undecidable manual P 10 49.3173 50 -0.29 92
IV.MML1.EHZ. 2022-04-02T04:37:23.91 0.1 undecidable manual P 41 54.1014 50 -0.37 89
IV.CESI.HHZ. 2022-04-02T04:37:22.07 0.1 positive manual P 47 41.625 50 -0.29 93
IV.LNSS.HHZ. 2022-04-02T04:37:22.52 0.1 undecidable manual P 111 44.5221 50 -0.29 92
IV.MGAB.HHZ. 2022-04-02T04:37:21.70 0.1 undecidable manual P 298 38.628 50 -0.21 95
IV.ASSB.HHZ. 2022-04-02T04:37:20.84 0.1 positive manual P 18 34.2435 103 -0.32 93
IV.CESX.HHZ. 2022-04-02T04:37:20.51 0.3 undecidable manual S 164 16.1727 116 0.15 75
IV.GAVE.EHZ. 2022-04-02T04:37:20.14 0.1 positive manual P 102 30.2475 105 -0.24 96
IV.ARRO.EHZ. 2022-04-02T04:37:19.78 0.1 undecidable manual P 134 26.751 106 0.06 100
IV.CESX.HHZ. 2022-04-02T04:37:17.87 0.1 negative manual P 164 16.1727 116 0.15 100
IV.MOMA.HHZ. 2022-04-02T04:37:17.84 0.3 undecidable manual S 27 6.993 139 0.08 77
IT.GNU.HGZ. 2022-04-02T04:37:17.88 0.3 undecidable manual S 27 6.8931 139 0.12 77
IV.MOMA.HHZ. 2022-04-02T04:37:16.52 0.1 negative manual P 27 6.993 139 0.29 99
IT.GNU.HGZ. 2022-04-02T04:37:16.52 0.1 negative manual P 27 6.8931 139 0.3 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IT.GNU.HGN. ML:4.4 0.5113129 0.1184 AML other m 2022-04-02T04:37:18.22
IT.GNU.HGE. ML:4.5 0.5675925500000001 0.112 AML other m 2022-04-02T04:37:18.31
IV.ARRO.EHN. ML:1.8 0.00032856640000000005 0.16 AML other m 2022-04-02T04:37:25.94
IV.ARRO.EHE. ML:2.0 0.00062734875 0.2624 AML other m 2022-04-02T04:37:25.94
IV.ASSB.HHE. ML:2.1 0.0005145 0.28 AML other m 2022-04-02T04:37:26.39
IV.GAVE.EHN. ML:1.9 0.00041501084999999996 0.1984 AML other m 2022-04-02T04:37:26.36
IV.ASSB.HHN. ML:1.9 0.00032263825 0.2624 AML other m 2022-04-02T04:37:26.75
IV.MGAB.HHN. ML:2.4 0.001038 0.14 AML other m 2022-04-02T04:37:28.14
IV.MGAB.HNN. ML:2.4 0.0009885 0.16 AML other m 2022-04-02T04:37:28.14
IV.GAVE.EHE. ML:2.0 0.000509 0.16 AML other m 2022-04-02T04:37:28.30
IV.MGAB.HNE. ML:2.2 0.000665 0.2 AML other m 2022-04-02T04:37:28.73
IV.MGAB.HHE. ML:2.3 0.0007155 0.22 AML other m 2022-04-02T04:37:28.62
IV.CESI.HHN. ML:1.7 0.000182 1.4 AML other m 2022-04-02T04:37:30.29
IV.LNSS.HHE. ML:2.0 0.00031686675 0.2592 AML other m 2022-04-02T04:37:30.31
IV.CESI.HHE. ML:1.6 0.00013927273499999998 0.1408 AML other m 2022-04-02T04:37:30.39
IV.LNSS.HHN. ML:2.0 0.0003081625 0.32 AML other m 2022-04-02T04:37:32.24
IV.NRCA.HHE. ML:2.1 0.0003400378 0.1184 AML other m 2022-04-02T04:37:32.21
IV.ATCC.EHE. ML:2.0 0.00025280775 0.24 AML other m 2022-04-02T04:37:32.28
IV.NRCA.HHN. ML:2.1 0.000313 0.12 AML other m 2022-04-02T04:37:32.57
IV.FDMO.HHN. ML:1.8 0.0001315 1.86 AML other m 2022-04-02T04:37:32.93
IV.MML1.EHE. ML:1.6 0.0001055 1.8 AML other m 2022-04-02T04:37:33.99
IV.ATCC.EHN. ML:1.9 0.0002366983 0.3616 AML other m 2022-04-02T04:37:32.54
IV.FDMO.HHE. ML:2.0 0.00020250000000000002 0.16 AML other m 2022-04-02T04:37:33.24
IV.SRES.HHE. ML:1.7 0.000114915455 0.1824 AML other m 2022-04-02T04:37:33.73
IV.MML1.EHN. ML:1.6 0.00010046802999999999 0.2176 AML other m 2022-04-02T04:37:33.95
IV.RM33.EHN. ML:1.5 0.00006531614669999999 0.16 AML other m 2022-04-02T04:37:36.02
IV.MMO1.EHN. ML:2.0 0.0001819988 0.3008 AML other m 2022-04-02T04:37:35.58
IV.RM33.EHE. ML:2.0 0.000179 0.2 AML other m 2022-04-02T04:37:36.30
IV.SRES.HHN. ML:1.6 0.00008830821600000001 0.2176 AML other m 2022-04-02T04:37:35.79
IV.SMA1.EHN. ML:2.0 0.0001725 1.58 AML other m 2022-04-02T04:37:36.88
IV.SMA1.EHE. ML:2.3 0.00034550000000000005 0.28 AML other m 2022-04-02T04:37:37.02
IV.MMO1.EHE. ML:2.0 0.00016151245 0.2432 AML other m 2022-04-02T04:37:36.91
IV.GUMA.HHE. ML:0.0 0.00022177824999999998 0.24 AML other m 2022-04-02T04:37:38.55
IV.ATMI.HHN. ML:2.1 0.00023087735 0.2624 AML other m 2022-04-02T04:37:40.30
IV.ATMI.HHE. ML:2.3 0.00031863295 0.3776 AML other m 2022-04-02T04:37:40.50
IV.ATVO.HHN. ML:1.8 0.0000967 0.28 AML other m 2022-04-02T04:37:40.82
IV.GUMA.HHN. ML:2.2 0.0002395 0.48 AML other m 2022-04-02T04:37:44.21
IV.ATVO.HHE. ML:1.8 0.00009302181500000001 0.3584 AML other m 2022-04-02T04:37:38.21
IV.GAVE.HNN. ML:1.5 0.00017115205 0.2304 AML other m 2022-04-02T04:37:26.37
IV.GAVE.HNE. ML:2.0 0.0005012250499999999 0.16 AML other m 2022-04-02T04:37:28.29
IV.CESI.HNN. ML:1.7 0.00016367480000000002 0.2016 AML other m 2022-04-02T04:37:30.39
IV.CESI.HNE. ML:1.5 0.000112099735 0.16 AML other m 2022-04-02T04:37:29.56
IV.LNSS.HNN. ML:2.0 0.00030337379999999996 0.128 AML other m 2022-04-02T04:37:30.87
IV.LNSS.HNE. ML:2.0 0.00034170295 0.2208 AML other m 2022-04-02T04:37:31.00
IV.NRCA.HNE. ML:2.1 0.00032619299999999996 0.128 AML other m 2022-04-02T04:37:32.21
IV.NRCA.HNN. ML:2.0 0.0002903525 0.1216 AML other m 2022-04-02T04:37:32.64
IV.ATCC.HNN. ML:1.9 0.00023431685 0.3712 AML other m 2022-04-02T04:37:32.36
IV.ATCC.HNE. ML:2.0 0.00027492065 0.2496 AML other m 2022-04-02T04:37:32.29
IV.SACS.HNE. ML:1.7 0.00013628835 0.2176 AML other m 2022-04-02T04:37:33.72
IV.SACS.HHN. ML:1.7 0.00011818415 0.1568 AML other m 2022-04-02T04:37:33.47
IV.SACS.HHE. ML:1.6 0.00010051903499999999 0.1984 AML other m 2022-04-02T04:37:33.72
IV.SACS.HNN. ML:1.7 0.00011342021 0.1696 AML other m 2022-04-02T04:37:33.55
IV.MML1.HNN. ML:1.7 0.000113007515 0.2112 AML other m 2022-04-02T04:37:33.94
IV.MML1.HNE. ML:1.7 0.000114837515 0.1984 AML other m 2022-04-02T04:37:34.11
IV.MC2.EHE. ML:2.3 0.00042648454999999995 0.2176 AML other m 2022-04-02T04:37:34.67
IV.MC2.EHN. ML:2.3 0.00047770789999999994 0.2016 AML other m 2022-04-02T04:37:34.92
IV.RM33.HNE. ML:2.0 0.00019763425 0.2208 AML other m 2022-04-02T04:37:36.29
IV.RM33.HNN. ML:1.6 0.00007691193000000001 0.1408 AML other m 2022-04-02T04:37:35.87
IV.SNTG.HHN. ML:1.5 0.000055329085 0.24 AML other m 2022-04-02T04:37:41.86
IV.SNTG.HNN. ML:1.6 0.00007838315 0.2912 AML other m 2022-04-02T04:37:39.33
IV.SNTG.HHE. ML:1.4 0.00004498052 0.16 AML other m 2022-04-02T04:37:36.98
IV.SNTG.HNE. ML:1.5 0.00006231955000000001 0.1376 AML other m 2022-04-02T04:37:36.97
IV.CSP1.EHN. ML:2.1 0.0002285397 0.2016 AML other m 2022-04-02T04:37:37.85
IV.CSP1.EHE. ML:2.1 0.00021135939500000001 0.1984 AML other m 2022-04-02T04:37:36.33
IV.CAFI.HHN. ML:1.6 0.000058392899999999994 0.32 AML other m 2022-04-02T04:37:42.98
IV.CAFI.HNN. ML:1.6 0.00005522982 0.3776 AML other m 2022-04-02T04:37:42.00
IV.CAFI.HHE. ML:1.4 0.00003948889 0.2784 AML other m 2022-04-02T04:37:42.57
IV.PIEI.HHN. ML:1.8 0.000068877135 0.3008 AML other m 2022-04-02T04:37:45.22
IV.PIEI.HHE. ML:1.8 0.00007312453499999999 0.3584 AML other m 2022-04-02T04:37:45.07
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