Earthquake with magnitude of ML 0.4 on date 29-04-2019 and time 20:25:29 (Italy) in region 2 km E Norcia (PG)

A magnitude ML 0.4 earthquake occured in region: 2 km E Norcia (PG), on

  • 29-04-2019 18:25:29 (UTC)
  • 29-04-2019 20:25:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7900, 13.1120 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 2 4957 4957
Cascia PG 11 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 12 281 9179
Arquata del Tronto AP 15 1178 10357
Accumoli RI 15 667 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 16 1075 13206
Poggiodomo PG 17 117 13323
Ussita MC 17 444 13767
Sellano PG 19 1079 14846
Montegallo AP 19 523 15369
Cittareale RI 19 482 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 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
Bulletin
Rev1000
ML 0.4 2019-04-29
18:25:29
42.7898 13.1123 10 2019-08-22
08:25:10
Bollettino Sismico Italiano INGV 70431931
Reviewed
Rev100
ML 0.9 2019-04-29
18:25:29
42.7887 13.1085 11 2019-04-29
18:37:11
Sala Sismica INGV-Roma 68106371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-29 18:25:29 ± 0.05
Latitude 42.7898 ± 0.0027
Longitude 13.1123 ± 0.0049
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 70431931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 414
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42628
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.6
Num. used stations 8
Type of magnitude ML
Reference to an origin 68106371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-29 18:37:11

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 70431931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-10 10:20:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2019-04-29T18:25:45.12 3.0 undecidable manual P 0.1 0
IV.CSP1.EHZ. 2019-04-29T18:25:41.32 0.1 undecidable manual S 13 34.3434 50 0.17 94
IV.RM33.EHE. 2019-04-29T18:25:40.44 0.3 undecidable manual S 165 32.2455 50 -0.16 71
IV.FDMO.HHZ. 2019-04-29T18:25:39.23 0.3 undecidable manual S 356 27.4503 50 -0.08 73
IV.CESI.HHZ. 2019-04-29T18:25:39.80 0.3 undecidable manual S 325 29.2485 50 0.01 74
IV.ASSB.HHZ. 2019-04-29T18:25:38.06 0.1 undecidable manual P 307 46.3203 50 0.05 95
IV.T1299.EHE. 2019-04-29T18:25:38.02 0.3 undecidable manual S 141 22.1556 115 0.19 72
IV.CESX.HHZ. 2019-04-29T18:25:37.86 0.6 undecidable manual P 245 47.3193 50 -0.31 45
IV.FEMA.HNZ. 2019-04-29T18:25:37.37 0.6 undecidable manual S 345 19.7691 118 0.27 47
IV.TERO.HHZ. 2019-04-29T18:25:37.63 0.3 undecidable manual P 115 44.1225 50 -0.05 71
IV.MMO1.EHZ. 2019-04-29T18:25:37.41 0.3 undecidable manual S 55 21.2676 116 -0.15 73
IV.MOMA.HNZ. 2019-04-29T18:25:37.55 0.1 undecidable manual P 272 44.1225 50 -0.14 93
IV.CSP1.EHZ. 2019-04-29T18:25:36.52 1.0 negative manual P 13 34.3434 50 0.36 23
IV.RM33.EHE. 2019-04-29T18:25:35.73 0.1 undecidable manual P 165 32.2455 50 -0.12 96
IV.MC2.EHZ. 2019-04-29T18:25:35.38 0.3 undecidable manual S 25 14.874 125 -0.25 72
IV.FDMO.HHZ. 2019-04-29T18:25:35.11 0.1 undecidable manual P 356 27.4503 50 0.01 99
IV.CESI.HHZ. 2019-04-29T18:25:35.51 0.1 positive manual P 325 29.2485 50 0.13 96
IV.SMA1.EHZ. 2019-04-29T18:25:34.76 0.6 undecidable manual P 134 25.3524 50 -0.03 49
IV.MMO1.EHZ. 2019-04-29T18:25:34.09 0.1 undecidable manual P 55 21.2676 116 0 100
IV.T1299.EHE. 2019-04-29T18:25:34.55 0.1 undecidable manual P 141 22.1556 115 0.29 94
IV.NRCA.HHZ. 2019-04-29T18:25:33.03 0.3 undecidable manual S 2 4.8951 155 -0.28 73
IV.FEMA.HNZ. 2019-04-29T18:25:33.99 0.6 undecidable manual P 345 19.7691 118 0.17 48
IV.MC2.EHZ. 2019-04-29T18:25:32.74 0.6 undecidable manual P 25 14.874 125 -0.24 48
IV.NRCA.HHZ. 2019-04-29T18:25:31.84 0.1 undecidable manual P 2 4.8951 155 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.3 0.000010073774 0.6784 AML other m 2019-04-29T18:25:39.64
IV.FDMO.HHN. ML:0.4 0.000014805098000000001 1.744 AML other m 2019-04-29T18:25:39.91
IV.CESI.HHN. ML:0.5 0.0000153308605 1.7312 AML other m 2019-04-29T18:25:39.96
IV.CESI.HHE. ML:0.3 0.0000111862355 0.336 AML other m 2019-04-29T18:25:40.56
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