Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 19-04-2019 and time 00:30:39 (UTC) in region 6 km NW Massa Martana (PG)

A magnitude ML 2.1 earthquake occured in region: 6 km NW Massa Martana (PG), on

  • 19-04-2019 00:30:39 (UTC)
  • 19-04-2019 02:30:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8080, 12.4710 at 6 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 6 3770 3770
Todi PG 6 16851 20621
Giano dell'Umbria PG 9 3846 24467
Collazzone PG 10 3473 27940
Fratta Todina PG 10 1839 29779
Monte Castello di Vibio PG 10 1567 31346
Gualdo Cattaneo PG 13 6155 37501
Acquasparta TR 14 4778 42279
Marsciano PG 16 18902 61181
Castel Ritaldi PG 17 3278 64459
Avigliano Umbro TR 17 2558 67017
Montecastrilli TR 18 5022 72039
Montefalco PG 18 5679 77718
San Venanzo TR 18 2218 79936
Bevagna PG 18 5081 85017
Deruta PG 20 9669 94686

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Foligno (57155 inhabitants)
31 Km NW of Terni (111501 inhabitants)
34 Km S of Perugia (166134 inhabitants)
53 Km NE of Viterbo (67173 inhabitants)
88 Km SE of Arezzo (99543 inhabitants)
91 Km NW of L'Aquila (69753 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Civitavecchia (52991 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 2.1 2019-04-19
00:30:39		 42.8083 12.4713 6 2019-08-22
08:25:11		 Bollettino Sismico Italiano INGV 70685121
Reviewed
Rev100 		ML 2.1 2019-04-19
00:30:39		 42.8118 12.4703 7 2019-04-19
00:34:59		 Sala Sismica INGV-Roma 67728721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-19 00:30:39 ± 0.07
Latitude 42.8083 ± 0.0027
Longitude 12.4713 ± 0.0037
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70685121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 327
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 66
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.80399
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 77
Type of magnitude ML
Reference to an origin 70685121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-18 15:49:51

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 67728721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-19 00:34:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSP9.EHZ. 2019-04-19T00:31:07.55 0.6 undecidable manual S 342 89.244 50 0.7 38
IV.ARVD.HHZ. 2019-04-19T00:31:06.26 1.0 undecidable manual S 26 85.4478 50 0.43 21
IV.APEC.HHZ. 2019-04-19T00:31:06.26 0.3 undecidable manual S 357 83.3499 50 1 51
IV.MF5.EHZ. 2019-04-19T00:31:05.87 0.6 undecidable manual S 76 82.7505 50 0.76 38
IV.FIAM.HHZ. 2019-04-19T00:31:04.73 0.6 undecidable manual S 138 79.8645 50 0.38 43
IV.EL6.EHZ. 2019-04-19T00:31:04.16 0.3 undecidable manual S 41 77.1672 50 0.55 62
IV.MTRA.EHZ. 2019-04-19T00:31:03.61 0.6 undecidable manual S 94 75.5688 50 0.42 43
IV.ATPI.EHZ. 2019-04-19T00:31:02.60 0.3 undecidable manual S 356 71.4729 50 0.5 64
IV.BARO.EHZ. 2019-04-19T00:31:02.66 0.6 undecidable manual S 209 71.0733 50 0.68 40
IV.CSP1.EHZ. 2019-04-19T00:31:01.44 0.3 undecidable manual S 62 67.377 50 0.44 66
IV.MMO1.EHZ. 2019-04-19T00:31:01.84 0.6 undecidable manual S 81 70.2741 50 0.05 47
IV.CAFI.HHZ. 2019-04-19T00:31:01.97 0.3 undecidable manual S 325 70.7736 50 0.05 71
IV.ATVO.HHZ. 2019-04-19T00:31:00.02 0.3 undecidable manual S 355 63.8916 50 -0.05 72
IV.RM33.EHZ. 2019-04-19T00:31:00.83 0.6 undecidable manual S 118 69.1752 50 -0.65 41
IV.SNTG.HHZ. 2019-04-19T00:30:59.42 0.3 undecidable manual S 37 62.493 50 -0.28 68
IV.MC2.EHZ. 2019-04-19T00:30:59.20 0.3 undecidable manual S 79 59.496 50 0.3 68
IV.FOSV.EHZ. 2019-04-19T00:30:58.83 0.3 undecidable manual S 23 58.8966 50 0.1 72
IV.ATMI.HHZ. 2019-04-19T00:30:58.77 0.6 undecidable manual S 344 60.5949 50 -0.43 44
IV.FDMO.HHZ. 2019-04-19T00:30:57.70 0.3 undecidable manual S 63 56.0994 50 -0.29 69
IV.LNSS.HHZ. 2019-04-19T00:30:56.31 0.3 undecidable manual S 116 51.7038 50 -0.51 66
IV.NRCA.HHZ. 2019-04-19T00:30:56.59 0.3 undecidable manual S 87 52.4031 50 -0.42 68
IV.SSP9.EHZ. 2019-04-19T00:30:56.05 0.6 undecidable manual P 342 89.244 50 0.77 37
IV.MURB.HHZ. 2019-04-19T00:30:56.95 0.6 undecidable manual S 5 50.616 50 0.42 45
IV.SACS.EHZ. 2019-04-19T00:30:55.47 0.3 undecidable manual S 276 45.9207 50 0.19 72
IV.ATTE.HHZ. 2019-04-19T00:30:54.22 0.3 undecidable manual S 348 44.2224 50 -0.61 65
IV.MF5.EHZ. 2019-04-19T00:30:54.59 0.3 undecidable manual P 76 82.7505 50 0.32 65
IV.APEC.HHZ. 2019-04-19T00:30:54.78 0.3 undecidable manual P 357 83.3499 50 0.42 64
IV.ATCC.EHZ. 2019-04-19T00:30:54.69 0.3 undecidable manual S 18 43.9227 50 -0.07 74
IV.ARVD.HHZ. 2019-04-19T00:30:54.47 0.6 undecidable manual P 26 85.4478 50 -0.22 44
IV.MTRA.EHZ. 2019-04-19T00:30:53.03 0.3 undecidable manual P 94 75.5688 50 -0.13 69
IV.EL6.EHZ. 2019-04-19T00:30:53.26 0.3 undecidable manual P 41 77.1672 50 -0.15 68
IV.CESI.HHZ. 2019-04-19T00:30:53.63 0.3 undecidable manual S 58 41.4252 98 -0.36 70
IV.FIAM.HHZ. 2019-04-19T00:30:53.51 0.3 undecidable manual P 138 79.8645 50 -0.32 66
IV.BARO.EHZ. 2019-04-19T00:30:53.13 1.0 undecidable manual P 209 71.0733 50 0.66 20
IV.MMO1.EHZ. 2019-04-19T00:30:52.15 1.0 undecidable manual P 81 70.2741 50 -0.2 23
IV.GAVE.EHZ. 2019-04-19T00:30:52.49 0.3 undecidable manual S 110 36.741 99 0.08 75
IV.CAFI.HHZ. 2019-04-19T00:30:52.19 0.3 undecidable manual P 325 70.7736 50 -0.24 68
IV.ATPI.EHZ. 2019-04-19T00:30:52.54 0.3 undecidable manual P 356 71.4729 50 0.01 71
IV.ARRO.EHZ. 2019-04-19T00:30:51.73 0.3 undecidable manual S 137 34.9428 100 -0.06 75
IV.CSP1.EHZ. 2019-04-19T00:30:51.75 0.3 undecidable manual P 62 67.377 50 -0.15 70
IV.ATVO.HHZ. 2019-04-19T00:30:51.22 0.3 undecidable manual P 355 63.8916 50 -0.14 70
IV.RM33.EHZ. 2019-04-19T00:30:51.83 0.3 undecidable manual P 118 69.1752 50 -0.35 67
TV.SF04.EHZ. 2019-04-19T00:30:51.76 0.3 undecidable manual P 273 66.0894 50 0.06 71
IV.ATMI.HHZ. 2019-04-19T00:30:50.91 0.3 undecidable manual P 344 60.5949 50 0.05 72
IV.LATE.HHN. 2019-04-19T00:30:50.68 0.3 undecidable manual P 249 58.497 50 0.14 71
IV.SNTG.HHZ. 2019-04-19T00:30:50.88 0.3 undecidable manual P 37 62.493 50 -0.27 69
IV.ASSB.HHZ. 2019-04-19T00:30:50.18 0.3 undecidable manual S 30 30.1476 101 0.05 76
IV.FOSV.EHZ. 2019-04-19T00:30:50.43 0.3 undecidable manual P 23 58.8966 50 -0.16 71
IV.MC2.EHZ. 2019-04-19T00:30:50.57 0.6 undecidable manual P 79 59.496 50 -0.12 47
IV.MURB.HHZ. 2019-04-19T00:30:49.20 0.3 undecidable manual P 5 50.616 50 -0.12 72
IV.FDMO.HHZ. 2019-04-19T00:30:49.92 0.3 undecidable manual P 63 56.0994 50 -0.24 70
IV.LNSS.HHZ. 2019-04-19T00:30:49.03 0.3 undecidable manual P 116 51.7038 50 -0.46 67
IV.MGAB.HHZ. 2019-04-19T00:30:49.70 0.3 undecidable manual S 292 31.4463 101 -0.87 59
IV.NRCA.HHZ. 2019-04-19T00:30:49.21 0.3 undecidable manual P 87 52.4031 50 -0.38 68
IV.SACS.EHZ. 2019-04-19T00:30:48.44 0.3 undecidable manual P 276 45.9207 50 -0.16 72
IV.ATTE.HHZ. 2019-04-19T00:30:48.07 0.3 undecidable manual P 348 44.2224 50 -0.27 71
IV.CESX.HHZ. 2019-04-19T00:30:48.32 0.3 undecidable manual S 157 24.0537 104 0.23 74
IV.ATCC.EHZ. 2019-04-19T00:30:47.92 0.3 undecidable manual P 18 43.9227 50 -0.38 69
IV.CESI.HHZ. 2019-04-19T00:30:47.66 0.3 undecidable manual P 58 41.4252 98 -0.19 72
IV.ARRO.EHZ. 2019-04-19T00:30:46.64 0.3 undecidable manual P 137 34.9428 100 0.06 75
IV.GAVE.EHZ. 2019-04-19T00:30:46.98 0.3 undecidable manual P 110 36.741 99 0.04 75
IV.MGAB.HHZ. 2019-04-19T00:30:45.99 0.1 negative manual P 292 31.4463 101 0.11 100
IV.ASSB.HHZ. 2019-04-19T00:30:45.70 0.3 undecidable manual P 30 30.1476 101 0.08 76
IV.CESX.HHZ. 2019-04-19T00:30:44.61 0.3 undecidable manual P 157 24.0537 104 0.16 75
IV.MOMA.HHZ. 2019-04-19T00:30:43.27 0.3 undecidable manual S 94 8.0808 127 0.29 75
IV.MOMA.HHZ. 2019-04-19T00:30:41.99 0.1 negative manual P 94 8.0808 127 0.5 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATMI.HHN. ML:0.0 0.0006097736000000001 0.3 AML other m 2019-04-19T00:31:03.16
IV.ATMI.HHE. ML:0.0 0.0008515915 0.34 AML other m 2019-04-19T00:31:04.67
IV.APEC.HHE. ML:0.0 0.00011276684 0.28 AML other m 2019-04-19T00:31:12.13
IV.MF5.EHE. ML:0.0 0.00026114175 0.34 AML other m 2019-04-19T00:31:09.58
IV.APEC.HHN. ML:0.0 0.00017082300000000001 0.38 AML other m 2019-04-19T00:31:10.23
IV.MF5.EHN. ML:0.0 0.0002353479 0.46 AML other m 2019-04-19T00:31:10.86
IV.MOMA.HNE. ML:2.9 0.014876785 0.26 AML other m 2019-04-19T00:30:43.80
IV.MOMA.HHE. ML:2.9 0.01576573 0.28 AML other m 2019-04-19T00:30:43.80
IV.MOMA.HNN. ML:2.7 0.0089138565 0.25 AML other m 2019-04-19T00:30:43.63
IV.MOMA.HHN. ML:2.7 0.008708714000000001 0.2 AML other m 2019-04-19T00:30:43.61
IV.CESX.HHN. ML:2.1 0.0008215166 0.24 AML other m 2019-04-19T00:30:50.01
IV.CESX.HHE. ML:2.1 0.0008219497499999999 0.3 AML other m 2019-04-19T00:30:49.86
IV.MGAB.HNN. ML:2.3 0.0010211184 0.14 AML other m 2019-04-19T00:30:52.37
IV.MGAB.HHE. ML:2.3 0.0009705226499999999 0.2 AML other m 2019-04-19T00:30:52.61
IV.MGAB.HNE. ML:2.3 0.0009032764 0.2 AML other m 2019-04-19T00:30:52.61
IV.MGAB.HHN. ML:2.3 0.0010159314 0.14 AML other m 2019-04-19T00:30:52.44
IV.ARRO.EHE. ML:2.0 0.00044276970000000005 0.32 AML other m 2019-04-19T00:30:53.99
IV.ARRO.EHN. ML:1.9 0.00033944175 0.22 AML other m 2019-04-19T00:30:53.84
IV.GAVE.HNE. ML:2.1 0.0005328459999999999 0.18 AML other m 2019-04-19T00:30:54.51
IV.GAVE.EHN. ML:2.2 0.0006349681499999999 0.36 AML other m 2019-04-19T00:30:57.06
IV.GAVE.HNN. ML:1.7 0.00019687355 0.32 AML other m 2019-04-19T00:30:57.21
IV.GAVE.EHE. ML:2.2 0.0005697934999999999 0.18 AML other m 2019-04-19T00:30:54.51
IV.CESI.HHE. ML:2.2 0.00060943385 0.32 AML other m 2019-04-19T00:30:55.91
IV.CESI.HHN. ML:2.4 0.00078378445 0.26 AML other m 2019-04-19T00:30:56.49
IV.ATCC.EHN. ML:2.2 0.0004417202 0.26 AML other m 2019-04-19T00:30:56.97
IV.ATCC.EHE. ML:2.0 0.00035613865 0.32 AML other m 2019-04-19T00:30:55.94
IV.ATTE.HHN. ML:2.0 0.00030429679999999996 0.28 AML other m 2019-04-19T00:30:55.44
IV.ATTE.HHE. ML:1.9 0.00024455444999999995 0.24 AML other m 2019-04-19T00:30:57.38
IV.LNSS.HNE. ML:2.2 0.0004374308 0.19 AML other m 2019-04-19T00:30:58.48
IV.LNSS.HNN. ML:2.2 0.0004452749 0.21 AML other m 2019-04-19T00:30:58.29
IV.LNSS.HHE. ML:2.3 0.0004678632 0.2 AML other m 2019-04-19T00:30:58.48
IV.LNSS.HHN. ML:2.3 0.00051967145 0.32 AML other m 2019-04-19T00:30:58.29
IV.MURB.HNE. ML:2.8 0.0014974729999999998 0.33 AML other m 2019-04-19T00:30:59.14
IV.MURB.HHN. ML:2.5 0.0008516046500000001 0.24 AML other m 2019-04-19T00:31:00.88
IV.MURB.HNN. ML:2.5 0.0007718349 0.27 AML other m 2019-04-19T00:31:01.99
IV.MURB.HHE. ML:2.8 0.001637791 0.34 AML other m 2019-04-19T00:30:59.13
IV.NRCA.HHN. ML:2.3 0.0004495425 0.14 AML other m 2019-04-19T00:30:57.13
IV.NRCA.HNE. ML:2.4 0.00062509795 0.18 AML other m 2019-04-19T00:30:57.93
IV.NRCA.HHE. ML:2.4 0.0006837018500000001 0.18 AML other m 2019-04-19T00:30:57.92
IV.NRCA.HNN. ML:2.2 0.0004271834 0.13 AML other m 2019-04-19T00:30:57.07
IV.FDMO.HHE. ML:2.0 0.00024442785 0.18 AML other m 2019-04-19T00:31:00.54
IV.FDMO.HHN. ML:2.0 0.00021134135 0.18 AML other m 2019-04-19T00:30:58.84
IV.FOSV.EHE. ML:1.8 0.0001503352 0.32 AML other m 2019-04-19T00:31:00.39
IV.FOSV.EHN. ML:1.7 0.00011674595500000001 0.34 AML other m 2019-04-19T00:31:01.44
IV.SNTG.HHN. ML:1.8 0.00011954395000000002 0.32 AML other m 2019-04-19T00:31:03.17
IV.SNTG.HNE. ML:1.8 0.00011440224499999999 0.28 AML other m 2019-04-19T00:31:02.35
IV.SNTG.HHE. ML:1.8 0.00011553125 0.34 AML other m 2019-04-19T00:31:02.21
IV.SNTG.HNN. ML:1.9 0.00014265745000000002 0.32 AML other m 2019-04-19T00:31:03.18
IV.ATVO.HHE. ML:2.0 0.00020226339999999997 0.46 AML other m 2019-04-19T00:31:01.48
IV.ATVO.HHN. ML:2.1 0.00022644025 0.28 AML other m 2019-04-19T00:31:05.45
TV.SF04.EHE. ML:2.0 0.00016966065 0.24 AML other m 2019-04-19T00:31:03.30
TV.SF04.EHN. ML:1.9 0.00014418345 0.22 AML other m 2019-04-19T00:31:02.76
IV.RM33.EHE. ML:2.0 0.00018310309999999998 0.34 AML other m 2019-04-19T00:31:08.74
IV.RM33.HNN. ML:2.1 0.0002145164 0.52 AML other m 2019-04-19T00:31:05.72
IV.RM33.HNE. ML:2.1 0.00020692539999999998 0.37 AML other m 2019-04-19T00:31:08.55
IV.RM33.EHN. ML:2.0 0.0001777995 0.52 AML other m 2019-04-19T00:31:05.73
IV.CAFI.HNE. ML:1.7 0.00008013045 0.46 AML other m 2019-04-19T00:31:07.99
IV.CAFI.HHE. ML:1.7 0.000082148075 0.5 AML other m 2019-04-19T00:31:07.98
IV.CAFI.HHN. ML:1.8 0.00010524733 0.36 AML other m 2019-04-19T00:31:06.86
IV.CAFI.HNN. ML:1.9 0.00012066977 0.38 AML other m 2019-04-19T00:31:06.86
IV.ATPI.EHN. ML:2.0 0.00014774925 0.32 AML other m 2019-04-19T00:31:06.57
IV.ATPI.EHE. ML:1.8 0.000103043385 0.36 AML other m 2019-04-19T00:31:07.51
IV.MTRA.HNN. ML:2.2 0.0002321655 0.57 AML other m 2019-04-19T00:31:04.57
IV.MTRA.EHE. ML:2.2 0.00024079025 0.44 AML other m 2019-04-19T00:31:05.42
IV.MTRA.EHN. ML:2.1 0.00017498275000000002 0.38 AML other m 2019-04-19T00:31:10.48
IV.MTRA.HNE. ML:2.1 0.0002011388 0.35 AML other m 2019-04-19T00:31:11.08
IV.BARO.HNE. ML:2.0 0.00014428845 0.93 AML other m 2019-04-19T00:31:09.40
IV.BARO.HNN. ML:2.0 0.00015812284999999998 0.58 AML other m 2019-04-19T00:31:06.57
IV.EL6.EHE. ML:2.3 0.00027078805 0.26 AML other m 2019-04-19T00:31:05.15
IV.EL6.EHN. ML:2.2 0.00025065525 0.28 AML other m 2019-04-19T00:31:05.90
IV.FIAM.HHN. ML:1.8 0.00009156478500000001 0.38 AML other m 2019-04-19T00:31:11.07
IV.FIAM.HHE. ML:1.7 0.000069908125 0.5 AML other m 2019-04-19T00:31:12.93
IV.FIAM.HNN. ML:2.1 0.000160301 0.4 AML other m 2019-04-19T00:31:11.07
IV.ARVD.HHN. ML:1.5 0.00004091922 0.52 AML other m 2019-04-19T00:31:10.75
IV.ARVD.HHE. ML:1.5 0.000041771185 0.28 AML other m 2019-04-19T00:31:11.38
IV.SSP9.EHN. ML:1.8 0.000073420945 0.66 AML other m 2019-04-19T00:31:14.37
IV.SSP9.EHE. ML:1.9 0.000084865645 0.48 AML other m 2019-04-19T00:31:12.35
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