Earthquake with magnitude of ML 1.0 on date 07-04-2019 and time 17:54:51 (Italy) in region 7 km SE Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km SE Norcia (PG), on

  • 07-04-2019 15:54:51 (UTC)
  • 07-04-2019 17:54:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7490, 13.1560 at 11 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.

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 7 4957 4957
Accumoli RI 10 667 5624
Arquata del Tronto AP 12 1178 6802
Cascia PG 12 3217 10019
Cittareale RI 15 482 10501
Castelsantangelo sul Nera MC 16 281 10782
Amatrice RI 17 2657 13439
Preci PG 17 724 14163
Montegallo AP 18 523 14686
Poggiodomo PG 18 117 14803
Monteleone di Spoleto PG 20 599 15402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SE of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km W 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 1.0 2019-04-07
15:54:51
42.7488 13.1555 11 2019-04-07
16:01:56
Sala Sismica INGV-Roma 67342941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-07 15:54:51 ± 0.04
Latitude 42.7488 ± 0.0018
Longitude 13.1555 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67342941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 285
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.35253
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 67342941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-07 16:01:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-04-07T15:55:04.70 0.6 undecidable manual S 111 39.1275 50 -0.1 48
IV.CESI.HHZ. 2019-04-07T15:55:03.67 0.3 undecidable manual S 324 34.9428 50 -0.01 74
IV.FDMO.HHZ. 2019-04-07T15:55:02.88 0.3 undecidable manual S 350 32.3454 50 -0.11 73
IV.RM33.EHZ. 2019-04-07T15:55:01.58 0.6 undecidable manual S 170 27.0507 50 0.01 50
IV.MMO1.EHZ. 2019-04-07T15:55:00.00 0.6 undecidable manual S 40 21.7671 50 -0.15 49
IV.GAVE.EHZ. 2019-04-07T15:55:00.15 0.3 undecidable manual S 254 22.1556 50 -0.13 74
IV.MC2.EHZ. 2019-04-07T15:54:59.26 0.3 undecidable manual S 9 18.2706 120 0.1 74
IV.MF5.EHZ. 2019-04-07T15:54:59.48 0.3 undecidable manual P 43 36.2415 50 0.62 63
IV.TERO.HHZ. 2019-04-07T15:54:59.26 0.3 undecidable manual P 111 39.1275 50 -0.05 73
IV.MTRA.EHZ. 2019-04-07T15:54:59.22 0.3 undecidable manual S 87 19.6692 119 -0.37 70
IV.CSP1.EHZ. 2019-04-07T15:54:59.30 0.6 negative manual P 6 38.2284 50 0.13 48
IV.SMA1.EHZ. 2019-04-07T15:54:59.57 0.3 undecidable manual S 132 19.6692 119 -0.03 75
IV.LNSS.HHZ. 2019-04-07T15:54:59.27 0.3 undecidable manual S 210 18.7701 120 -0.04 75
IV.FDMO.HHZ. 2019-04-07T15:54:58.21 0.3 undecidable manual P 350 32.3454 50 -0.06 73
IV.CESI.HHZ. 2019-04-07T15:54:58.49 0.1 undecidable manual P 324 34.9428 50 -0.18 95
IV.RM33.EHZ. 2019-04-07T15:54:57.72 0.3 undecidable manual P 170 27.0507 50 0.27 71
IV.LNSS.HHZ. 2019-04-07T15:54:56.20 0.3 undecidable manual P 210 18.7701 120 0.06 75
IV.GAVE.EHZ. 2019-04-07T15:54:56.62 0.3 undecidable manual P 254 22.1556 50 -0.08 74
IV.NRCA.HNZ. 2019-04-07T15:54:56.73 0.3 undecidable manual S 340 9.9789 137 -0.17 75
IV.MC2.EHZ. 2019-04-07T15:54:56.19 0.1 undecidable manual P 9 18.2706 120 0.14 99
IV.MTRA.EHZ. 2019-04-07T15:54:56.27 0.3 undecidable manual P 87 19.6692 119 -0.03 75
IV.MMO1.EHZ. 2019-04-07T15:54:56.58 0.6 undecidable manual P 40 21.7671 50 -0.05 50
IV.SMA1.EHZ. 2019-04-07T15:54:56.40 0.3 undecidable manual P 132 19.6692 119 0.09 75
IV.NRCA.HNZ. 2019-04-07T15:54:54.89 0.1 undecidable manual P 340 9.9789 137 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.1 0.00009145 0.24 AML other m 2019-04-07T15:54:59.41
IV.MTRA.EHE. ML:1.2 0.0001095 1 AML other m 2019-04-07T15:54:59.66
IV.MTRA.EHN. ML:1.1 0.0000915 0.3 AML other m 2019-04-07T15:54:59.93
IV.LNSS.HHE. ML:1.1 0.00009104999999999999 0.92 AML other m 2019-04-07T15:54:59.83
IV.SMA1.EHN. ML:1.0 0.00006575 0.42 AML other m 2019-04-07T15:55:00.39
IV.SMA1.EHE. ML:1.0 0.00007525 0.52 AML other m 2019-04-07T15:55:00.55
IV.RM33.EHN. ML:0.7 0.0000249 0.62 AML other m 2019-04-07T15:55:02.43
IV.RM33.EHE. ML:0.8 0.00003455 1.52 AML other m 2019-04-07T15:55:02.89
IV.TERO.HHE. ML:1.1 0.00003985 1 AML other m 2019-04-07T15:55:05.48
IV.TERO.HHN. ML:1.0 0.0000359 0.18 AML other m 2019-04-07T15:55:05.59
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