Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 03-04-2019 and time 12:48:35 (Italy) in region 6 km NE Norcia (PG)

A magnitude ML 0.6 earthquake occured in region: 6 km NE Norcia (PG), on

  • 03-04-2019 10:48:35 (UTC)
  • 03-04-2019 12:48:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8340, 13.1340 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Norcia PG 6 4957 4957
Castelsantangelo sul Nera MC 7 281 5238
Preci PG 9 724 5962
Visso MC 11 1107 7069
Ussita MC 12 444 7513
Arquata del Tronto AP 15 1178 8691
Cascia PG 16 3217 11908
Montegallo AP 16 523 12431
Montemonaco AP 18 604 13035
Cerreto di Spoleto PG 18 1075 14110
Sellano PG 18 1079 15189
Accumoli RI 18 667 15856
Bolognola MC 20 142 15998

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
97 Km W of Pescara (121014 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km NW of Chieti (51815 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
Reviewed
Rev100 		ML 0.6 2019-04-03
10:48:35		 42.8342 13.1337 12 2019-04-03
10:56:25		 Sala Sismica INGV-Roma 67218601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-03 10:48:35 ± 0.11
Latitude 42.8342 ± 0.0063
Longitude 13.1337 ± 0.0074
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67218601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26260
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 67218601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-03 10:56:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2019-04-03T10:49:02.82 3.0 undecidable manual S -0.25 0
IV.CESI.HHZ. 2019-04-03T10:48:45.22 0.1 undecidable manual S 316 26.5512 92 0.1 97
IV.FDMO.HHZ. 2019-04-03T10:48:44.03 0.3 undecidable manual S 350 22.755 93 -0.07 72
IV.MTRA.EHZ. 2019-04-03T10:48:44.23 0.3 undecidable manual S 112 23.0547 93 0.05 74
IV.TERO.HHZ. 2019-04-03T10:48:43.99 3.0 positive manual P 0.24 0
IT.MTCL.HGE. 2019-04-03T10:48:43.43 0.3 undecidable manual S 328 20.868 94 -0.16 71
IV.CESI.HHZ. 2019-04-03T10:48:41.24 0.1 undecidable manual P 316 26.5512 92 0.16 96
IV.FEMA.HNZ. 2019-04-03T10:48:41.36 3.0 undecidable manual P 0
IV.CSP1.EHZ. 2019-04-03T10:48:41.10 0.3 undecidable manual P 11 29.1486 92 -0.38 67
IV.MTRA.EHZ. 2019-04-03T10:48:40.50 0.3 undecidable manual P 112 23.0547 93 -0.04 73
IV.MC2.EHZ. 2019-04-03T10:48:40.98 0.3 undecidable manual S 28 9.6792 126 0.22 73
IT.MTCL.HGE. 2019-04-03T10:48:40.25 0.1 undecidable manual P 328 20.868 94 0.05 99
IV.FDMO.HHZ. 2019-04-03T10:48:40.56 0.3 undecidable manual P 350 22.755 93 0.06 74
IV.MMO1.EHE. 2019-04-03T10:48:39.44 0.6 undecidable manual P 65 17.2716 98 -0.21 47
IV.NRCA.HHZ. 2019-04-03T10:48:39.28 0.1 undecidable manual S 268 1.5984 170 -0.32 98
IV.MC2.EHZ. 2019-04-03T10:48:38.82 0.1 undecidable manual P 28 9.6792 126 0.26 96
IV.NRCA.HHZ. 2019-04-03T10:48:37.98 0.1 undecidable manual P 268 1.5984 170 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:0.7 0.000015949999999999998 0.06 AML other m 2019-04-03T10:48:50.61
IV.TERO.HHE. ML:0.7 0.00001615 1.08 AML other m 2019-04-03T10:48:51.60
IV.FDMO.HHE. ML:0.2 0.000011518895 0.2176 AML other m 2019-04-03T10:48:46.39
IV.FDMO.HHN. ML:0.4 0.000016029155 0.1408 AML other m 2019-04-03T10:48:44.72
IV.CESI.HHE. ML:0.6 0.000022244485000000003 0.16 AML other m 2019-04-03T10:48:45.95
IV.CESI.HHN. ML:0.9 0.00004573329 0.16 AML other m 2019-04-03T10:48:45.60
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