Earthquake with magnitude of ML 1.7 on date 31-03-2020 and time 19:45:33 (UTC) in region 3 km NW Ussita (MC)

A magnitude ML 1.7 earthquake occured in region: 3 km NW Ussita (MC), on

  • 31-03-2020 19:45:33 (UTC)
  • 31-03-2020 21:45:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.97, 13.12 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
Ussita MC 3 444 444
Visso MC 5 1107 1551
Fiordimonte MC 8 202 1753
Fiastra MC 8 559 2312
Acquacanina MC 8 121 2433
Castelsantangelo sul Nera MC 9 281 2714
Bolognola MC 9 142 2856
Monte Cavallo MC 10 145 3001
Pieve Torina MC 10 1458 4459
Pievebovigliana MC 11 866 5325
Preci PG 12 724 6049
Muccia MC 14 915 6964
Sarnano MC 17 3264 10228
Serravalle di Chienti MC 18 1070 11298
Sellano PG 18 1079 12377
Montefortino FM 18 1178 13555
Montemonaco AP 19 604 14159
Camerino MC 19 6974 21133
Cessapalombo MC 19 512 21645
Amandola FM 19 3629 25274
Norcia PG 20 4957 30231

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
61 Km E of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
98 Km S of Fano (60888 inhabitants)
98 Km NW of Montesilvano (53738 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 1.7 2020-03-31
19:45:33
42.97 13.12 10 2020-07-18
21:08:33
Bollettino Sismico Italiano INGV 78319401
Reviewed
Rev100
ML 1.7 2020-03-31
19:45:33
42.97 13.12 10 2020-03-31
20:23:56
Sala Sismica INGV-Roma 77733431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-31 19:45:33 ± 0.03
Latitude 42.97 ± 0.00
Longitude 13.12 ± 0.00
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 78319401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 228
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 230
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 30
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 71
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.70777
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 78319401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-17 13:06:49

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 77733431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-31 20:23:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FRON.EHZ. 2020-03-31T19:45:54.31 0.3 undecidable manual S 332 0.6178 50 0.33 64
IV.ARVD.HHZ. 2020-03-31T19:45:52.16 0.3 undecidable manual S 346 0.5432 50 0.39 64
IV.CESX.HHN. 2020-03-31T19:45:51.50 0.3 undecidable manual S 227 0.5324 50 0.05 69
IV.TERO.HHZ. 2020-03-31T19:45:50.71 0.3 undecidable manual S 134 0.4964 50 0.35 65
IV.RM33.EHZ. 2020-03-31T19:45:49.84 0.3 undecidable manual S 171 0.4658 50 0.38 65
IV.ARRO.EHN. 2020-03-31T19:45:49.85 0.6 undecidable manual S 214 0.4694 50 0.28 44
IV.FOSV.EHZ. 2020-03-31T19:45:48.24 0.3 undecidable manual S 321 0.4173 50 0.22 68
IV.CING.HNZ. 2020-03-31T19:45:48.03 0.3 undecidable manual S 8 0.4092 50 0.25 68
IV.MOMA.HHE. 2020-03-31T19:45:48.71 0.3 undecidable manual S 248 0.4362 50 0.14 69
IV.ATCC.EHZ. 2020-03-31T19:45:48.23 0.3 undecidable manual S 302 0.411 50 0.38 66
IV.SMA1.EHZ. 2020-03-31T19:45:46.73 0.3 undecidable manual S 155 0.3741 50 -0.02 72
IV.T1299.HNN. 2020-03-31T19:45:46.58 0.3 undecidable manual S 160 0.3561 50 0.37 67
IV.PIEI.HHZ. 2020-03-31T19:45:46.45 0.1 undecidable manual P 323 0.7078 50 -0.22 86
IV.EL6.EHZ. 2020-03-31T19:45:46.63 0.6 undecidable manual S 358 0.3597 50 0.32 45
IV.LNSS.HNZ. 2020-03-31T19:45:46.47 0.3 undecidable manual S 189 0.3714 50 -0.21 69
IT.FOPC.HGE. 2020-03-31T19:45:45.06 0.6 undecidable manual S 270 0.3049 50 0.36 45
IV.SNTG.HHZ. 2020-03-31T19:45:44.77 0.3 undecidable manual S 335 0.3139 50 -0.18 70
IV.MTRA.EHZ. 2020-03-31T19:45:44.05 0.3 undecidable manual S 136 0.2941 50 -0.33 68
IV.FRON.EHZ. 2020-03-31T19:45:44.85 0.3 undecidable manual P 332 0.6178 50 -0.28 65
IV.FIU1.HNZ. 2020-03-31T19:45:43.05 0.3 undecidable manual S 328 0.2581 50 -0.27 70
IV.CESX.HHN. 2020-03-31T19:45:43.54 0.3 undecidable manual P 227 0.5324 50 -0.13 68
IV.ARVD.HHZ. 2020-03-31T19:45:43.80 0.1 undecidable manual P 346 0.5432 50 -0.06 92
IV.SSM1.HNZ. 2020-03-31T19:45:43.39 0.6 undecidable manual S 9 0.2617 50 -0.03 49
IV.SSFR.HHZ. 2020-03-31T19:45:43.41 0.3 undecidable manual P 332 0.527 50 -0.17 67
IV.SAP2.EHZ. 2020-03-31T19:45:43.14 0.3 undecidable manual S 58 0.2401 50 0.37 68
IV.RM33.EHZ. 2020-03-31T19:45:42.43 0.3 undecidable manual P 171 0.4658 50 -0.1 69
IV.ARRO.EHN. 2020-03-31T19:45:42.47 0.3 undecidable manual P 214 0.4694 50 -0.12 69
IV.SEF1.HNZ. 2020-03-31T19:45:42.14 0.1 undecidable manual S 325 0.2167 50 0.05 98
IV.TERO.HHZ. 2020-03-31T19:45:42.80 0.3 undecidable manual P 134 0.4964 50 -0.25 67
IV.ATCC.EHZ. 2020-03-31T19:45:41.47 0.3 undecidable manual P 302 0.411 50 -0.13 70
IV.GUMA.HNZ. 2020-03-31T19:45:41.33 0.3 undecidable manual S 59 0.1826 117 0.38 69
IV.FOSV.EHZ. 2020-03-31T19:45:41.49 0.1 undecidable manual P 321 0.4173 50 -0.2 91
IV.CING.HNZ. 2020-03-31T19:45:41.57 0.3 undecidable manual P 8 0.4092 50 0.01 71
IV.MDAR.HNZ. 2020-03-31T19:45:41.92 0.3 undecidable manual S 4 0.223 50 -0.35 69
IV.MNTT.EHZ. 2020-03-31T19:45:41.12 0.6 undecidable manual P 75 0.3597 50 0.41 44
IV.MOMA.HHE. 2020-03-31T19:45:41.93 0.1 undecidable manual P 248 0.4362 50 -0.09 93
IV.MML1.HNZ. 2020-03-31T19:45:40.60 0.3 undecidable manual S 323 0.1799 118 -0.26 71
IV.EL6.EHZ. 2020-03-31T19:45:40.55 0.3 undecidable manual P 358 0.3597 50 -0.16 70
IV.LNSS.HNZ. 2020-03-31T19:45:40.68 0.3 undecidable manual P 189 0.3714 50 -0.24 69
IV.MMO1.EHZ. 2020-03-31T19:45:40.14 0.3 undecidable manual S 115 0.1664 119 -0.28 71
IV.SMA1.EHZ. 2020-03-31T19:45:40.65 0.3 undecidable manual P 155 0.3741 50 -0.31 67
IV.T1299.HNN. 2020-03-31T19:45:40.63 0.3 undecidable manual P 160 0.3561 50 -0.02 72
IV.CESI.HHZ. 2020-03-31T19:45:40.31 0.3 undecidable manual S 283 0.1619 120 0.07 74
IV.MNTP.HNZ. 2020-03-31T19:45:40.21 0.1 undecidable manual P 57 0.3049 50 0.44 89
IV.PF6.EHZ. 2020-03-31T19:45:40.35 0.3 undecidable manual S 18 0.1763 118 -0.39 69
IV.SSM1.HNZ. 2020-03-31T19:45:39.08 0.1 undecidable manual P 9 0.2617 50 0.04 97
IV.CSP1.EHZ. 2020-03-31T19:45:39.38 0.3 undecidable manual S 27 0.1367 124 -0.05 75
IV.MTRA.EHZ. 2020-03-31T19:45:39.18 0.1 undecidable manual P 136 0.2941 50 -0.41 89
IV.FIU1.HNZ. 2020-03-31T19:45:39.34 0.1 undecidable manual P 328 0.2581 50 0.37 91
IV.SNTG.HHZ. 2020-03-31T19:45:39.59 0.1 undecidable manual P 335 0.3139 50 -0.33 91
IV.NRCA.HHZ. 2020-03-31T19:45:39.22 0.3 undecidable manual S 182 0.1367 124 -0.21 72
IT.FOPC.HGE. 2020-03-31T19:45:39.70 0.1 undecidable manual P 270 0.3049 50 -0.08 96
IV.MDAR.HNZ. 2020-03-31T19:45:38.19 0.1 undecidable manual P 4 0.223 50 -0.19 95
IV.SAP2.EHZ. 2020-03-31T19:45:38.81 0.1 undecidable manual P 58 0.2401 50 0.15 96
IV.MC2.EHZ. 2020-03-31T19:45:38.03 0.3 undecidable manual S 139 0.0773 141 0.3 72
IV.MF5.EHZ. 2020-03-31T19:45:38.82 0.1 undecidable manual P 86 0.2491 50 0 98
IT.MTCL.HGZ. 2020-03-31T19:45:38.20 0.3 undecidable manual S 285 0.0917 136 0.1 74
IV.CESI.HHZ. 2020-03-31T19:45:37.26 0.1 undecidable manual P 283 0.1619 120 0.05 99
IV.FDMO.HHZ. 2020-03-31T19:45:37.61 0.3 undecidable manual S 340 0.071 143 0.04 76
IV.PF6.EHZ. 2020-03-31T19:45:37.27 0.1 undecidable manual P 18 0.1763 118 -0.22 95
IV.MML1.HNZ. 2020-03-31T19:45:37.47 0.1 undecidable manual P 323 0.1799 118 -0.09 98
IV.MMO1.EHZ. 2020-03-31T19:45:37.19 0.1 undecidable manual P 115 0.1664 119 -0.12 97
IV.GUMA.HNZ. 2020-03-31T19:45:37.74 0.3 undecidable manual P 59 0.1826 117 0.13 73
IV.SEF1.HNZ. 2020-03-31T19:45:37.87 0.1 undecidable manual P 325 0.2167 50 -0.41 91
IV.FEMA.HNZ. 2020-03-31T19:45:37.56 0.6 undecidable manual S 261 0.0522 151 0.38 47
IT.MTCL.HGZ. 2020-03-31T19:45:36.10 0.1 undecidable manual P 285 0.0917 136 0.13 99
IV.NRCA.HHZ. 2020-03-31T19:45:36.71 0.1 undecidable manual P 182 0.1367 124 -0.03 100
IV.CSP1.EHZ. 2020-03-31T19:45:36.76 0.1 undecidable manual P 27 0.1367 124 0.02 100
IV.FEMA.HNZ. 2020-03-31T19:45:35.75 0.1 undecidable manual P 261 0.0522 151 0.31 96
IV.FDMO.HHZ. 2020-03-31T19:45:35.78 0.1 undecidable manual P 340 0.071 143 0.12 99
IV.MC2.EHZ. 2020-03-31T19:45:35.98 1.0 undecidable manual P 139 0.0773 141 0.22 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2 0.001095 0.12 AML other m 2020-03-31T19:45:39.41
IV.NRCA.HHN. ML:2.1 0.00118 0.12 AML other m 2020-03-31T19:45:39.35
IV.CSP1.EHE. ML:2 0.0010835 1.18 AML other m 2020-03-31T19:45:39.65
IV.CSP1.EHN. ML:1.8 0.000651 0.26 AML other m 2020-03-31T19:45:39.53
IV.CESI.HHE. ML:1.9 0.0006065 0.4 AML other m 2020-03-31T19:45:40.71
IV.CESI.HHN. ML:2 0.00083 0.22 AML other m 2020-03-31T19:45:40.55
IV.NRCA.HHE. ML:2 0.000965 0.1 AML other m 2020-03-31T19:45:40.66
IV.NRCA.HNE. ML:2 0.0008545 0.08 AML other m 2020-03-31T19:45:40.67
IV.SAP2.EHN. ML:2.7 0.002625 1.44 AML other m 2020-03-31T19:45:43.72
IV.SAP2.EHE. ML:1.8 0.0003825 0.16 AML other m 2020-03-31T19:45:44.08
IV.MTRA.EHN. ML:1.9 0.000314 0.52 AML other m 2020-03-31T19:45:44.24
IV.MTRA.EHE. ML:1.8 0.000305 0.66 AML other m 2020-03-31T19:45:44.30
IV.SNTG.HHE. ML:1.4 9.07E-5 1.3 AML other m 2020-03-31T19:45:45.24
IV.EL6.EHN. ML:1.6 0.0001495 0.42 AML other m 2020-03-31T19:45:46.27
IV.SNTG.HHN. ML:1.4 9.77E-5 0.72 AML other m 2020-03-31T19:45:47.90
IV.EL6.EHE. ML:1.6 0.00014705 0.12 AML other m 2020-03-31T19:45:47.82
IV.FOSV.EHE. ML:1.4 7.315E-5 0.26 AML other m 2020-03-31T19:45:48.57
IV.FOSV.EHN. ML:1.7 0.0001465 0.36 AML other m 2020-03-31T19:45:48.61
IV.MNTT.EHN. ML:2 0.0003855 0.8 AML other m 2020-03-31T19:45:48.56
IV.ATCC.EHE. ML:1.5 9.285E-5 1.4 AML other m 2020-03-31T19:45:49.07
IV.ATCC.EHN. ML:1.6 0.0001101 0.14 AML other m 2020-03-31T19:45:49.19
IV.MNTT.EHE. ML:2.1 0.000402 0.82 AML other m 2020-03-31T19:45:50.57
IV.TERO.HHN. ML:1.5 7.555E-5 0.76 AML other m 2020-03-31T19:45:51.44
IV.TERO.HHE. ML:1.5 8.045E-5 0.12 AML other m 2020-03-31T19:45:52.06
IV.SSFR.HHE. ML:1.8 0.000142 1.24 AML other m 2020-03-31T19:45:53.19
IV.SSFR.HHN. ML:1.8 0.000119 0.2 AML other m 2020-03-31T19:45:53.89
IV.FRON.EHN. ML:1.6 6.15E-5 0.48 AML other m 2020-03-31T19:45:57.17
IV.FRON.EHE. ML:1.6 6.08E-5 0.56 AML other m 2020-03-31T19:45:58.43
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