Earthquake with magnitude of ML 1.6 on date 03-04-2019 and time 13:04:33 (Italy) in region 8 km SE Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 8 km SE Norcia (PG), on

  • 03-04-2019 11:04:33 (UTC)
  • 03-04-2019 13:04:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7420, 13.1630 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
Norcia PG 8 4957 4957
Accumoli RI 9 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 13 3217 10019
Cittareale RI 14 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 17 281 13439
Montegallo AP 18 523 13962
Preci PG 18 724 14686
Poggiodomo PG 19 117 14803
Monteleone di Spoleto PG 20 599 15402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SE of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
93 Km W of Chieti (51815 inhabitants)
94 Km E of Viterbo (67173 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 1.6 2019-04-03
11:04:33
42.7422 13.1633 10 2019-08-22
08:24:56
Bollettino Sismico Italiano INGV 67600521
Reviewed
Rev100
ML 1.6 2019-04-03
11:04:33
42.7425 13.1633 10 2019-04-03
11:10:18
Sala Sismica INGV-Roma 67218911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-03 11:04:33 ± 0.04
Latitude 42.7422 ± 0.0018
Longitude 13.1633 ± 0.0037
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 67600521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.58816
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 67600521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-15 08:46:00

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 67218911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-03 11:10:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2019-04-03T11:04:46.13 0.3 undecidable manual S 324 35.9418 50 0.29 68
IV.TERO.HHZ. 2019-04-03T11:04:46.42 0.3 undecidable manual S 110 38.3283 50 -0.04 72
IV.FDMO.HHZ. 2019-04-03T11:04:45.21 0.3 undecidable manual S 349 33.2445 50 0.1 72
IV.EL6.EHZ. 2019-04-03T11:04:45.36 0.6 undecidable manual P 356 65.2902 50 0.15 45
IV.ATCC.EHZ. 2019-04-03T11:04:45.26 0.3 undecidable manual P 319 64.9905 50 0.11 67
IV.CAMP.HHZ. 2019-04-03T11:04:44.21 0.3 undecidable manual S 139 30.4473 50 -0.15 71
IV.ASSB.HHZ. 2019-04-03T11:04:43.20 0.3 undecidable manual P 309 52.8027 50 -0.09 69
IV.RM33.EHZ. 2019-04-03T11:04:43.09 0.3 undecidable manual S 171 26.1516 50 -0.15 72
IV.FEMA.HNZ. 2019-04-03T11:04:43.20 0.3 undecidable manual S 339 26.0517 50 0 74
IV.GAVE.EHZ. 2019-04-03T11:04:42.30 0.3 undecidable manual S 256 22.6551 115 0.02 74
IV.CSP1.EHZ. 2019-04-03T11:04:41.12 0.3 undecidable manual P 5 38.9277 50 -0.02 72
IV.MC2.EHZ. 2019-04-03T11:04:41.51 0.3 undecidable manual S 6 18.87 119 0.39 69
IV.GUMA.HHZ. 2019-04-03T11:04:41.37 0.3 undecidable manual P 21 38.2284 50 0.34 67
IV.SMA1.EHZ. 2019-04-03T11:04:41.26 0.3 undecidable manual S 131 18.6702 119 0.19 72
IV.MMO1.EHZ. 2019-04-03T11:04:41.89 0.3 undecidable manual S 37 21.9669 115 -0.17 72
IV.MF5.EHZ. 2019-04-03T11:04:41.23 0.3 undecidable manual P 41 36.3414 50 0.48 66
IV.TERO.HHZ. 2019-04-03T11:04:40.84 0.1 undecidable manual P 110 38.3283 50 -0.2 93
IV.MTRA.EHZ. 2019-04-03T11:04:40.94 0.3 undecidable manual S 85 19.0698 119 -0.23 71
IV.FDMO.HHZ. 2019-04-03T11:04:40.03 0.3 undecidable manual P 349 33.2445 50 -0.23 70
IV.T1299.HNZ. 2019-04-03T11:04:40.40 0.3 undecidable manual S 141 15.3735 124 0.31 71
IV.CESI.HHZ. 2019-04-03T11:04:40.63 0.1 negative manual P 324 35.9418 50 -0.05 96
IV.LNSS.HHZ. 2019-04-03T11:04:40.98 0.3 undecidable manual S 213 18.4704 119 0 75
IV.FEMA.HNZ. 2019-04-03T11:04:39.20 0.3 undecidable manual P 339 26.0517 50 0.04 73
IT.MTCL.HGZ. 2019-04-03T11:04:39.70 0.3 undecidable manual P 335 30.9468 50 -0.21 70
IV.CAMP.HHZ. 2019-04-03T11:04:39.73 0.3 undecidable manual P 139 30.4473 50 -0.1 72
IV.RM33.EHZ. 2019-04-03T11:04:39.06 0.1 negative manual P 171 26.1516 50 -0.12 96
IV.SMA1.EHZ. 2019-04-03T11:04:38.21 0.3 undecidable manual P 131 18.6702 119 0.28 71
IV.MMO1.EHZ. 2019-04-03T11:04:38.29 0.1 undecidable manual P 37 21.9669 115 -0.21 95
IV.NRCA.HNZ. 2019-04-03T11:04:38.29 0.6 undecidable manual S 339 10.878 134 -0.58 44
IV.GAVE.EHZ. 2019-04-03T11:04:38.65 0.3 undecidable manual P 256 22.6551 115 0.02 74
IV.T1299.HNZ. 2019-04-03T11:04:37.53 0.3 undecidable manual P 141 15.3735 124 0.17 73
IV.LNSS.HHZ. 2019-04-03T11:04:37.88 0.1 undecidable manual P 213 18.4704 119 0 100
IV.MTRA.EHZ. 2019-04-03T11:04:37.93 0.3 negative manual P 85 19.0698 119 -0.06 74
IV.MC2.EHZ. 2019-04-03T11:04:37.94 0.3 undecidable manual P 6 18.87 119 -0.02 75
IV.NRCA.HNZ. 2019-04-03T11:04:36.49 0.1 positive manual P 339 10.878 134 -0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.6 0.00028649999999999997 0.7 AML other m 2019-04-03T11:04:41.44
IV.LNSS.HHN. ML:1.6 0.000299 0.2 AML other m 2019-04-03T11:04:41.59
IV.MTRA.EHE. ML:1.6 0.00028900000000000003 0.68 AML other m 2019-04-03T11:04:42.06
IV.GAVE.EHE. ML:1.4 0.000182 0.66 AML other m 2019-04-03T11:04:42.24
IV.SMA1.EHE. ML:1.9 0.000682 0.54 AML other m 2019-04-03T11:04:43.48
IV.RM33.EHE. ML:1.7 0.000257 0.5 AML other m 2019-04-03T11:04:43.31
IV.RM33.EHN. ML:1.8 0.000348 0.2 AML other m 2019-04-03T11:04:43.31
IV.MTRA.EHN. ML:1.5 0.00021750000000000003 0.38 AML other m 2019-04-03T11:04:43.95
IV.SMA1.EHN. ML:1.7 0.000419 0.5 AML other m 2019-04-03T11:04:44.55
IV.GAVE.EHN. ML:1.4 0.0001615 1.54 AML other m 2019-04-03T11:04:45.12
IV.CESI.HHE. ML:1.2 0.0000569 0.34 AML other m 2019-04-03T11:04:46.44
IV.TERO.HHN. ML:1.6 0.000129 0.1 AML other m 2019-04-03T11:04:46.67
IV.TERO.HHE. ML:1.4 0.0000843 0.48 AML other m 2019-04-03T11:04:46.72
IV.GUMA.HHN. ML:1.9 0.0002715 0.24 AML other m 2019-04-03T11:04:48.11
IV.GUMA.HHE. ML:1.8 0.00022449999999999998 1.14 AML other m 2019-04-03T11:04:48.70
IV.CESI.HHN. ML:1.5 0.0001325 1.76 AML other m 2019-04-03T11:04:49.07
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