Earthquake with magnitude of ML 1.0 on date 24-03-2017 and time 19:37:50 (Italy) in region 1 km E Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 1 km E Norcia (PG), on

  • 24-03-2017 18:37:50 (UTC)
  • 24-03-2017 19:37:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7940, 13.1090 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 1 4957 4957
Preci PG 11 724 5681
Cascia PG 11 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Visso MC 15 1107 10286
Arquata del Tronto AP 16 1178 11464
Accumoli RI 16 667 12131
Cerreto di Spoleto PG 16 1075 13206
Poggiodomo PG 17 117 13323
Ussita MC 17 444 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369
Cittareale RI 20 482 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)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 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 1.0 2017-03-24
18:37:50
42.7938 13.1093 11 2017-03-24
18:57:12
Sala Sismica INGV-Roma 42881191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-24 18:37:50 ± 0.05
Latitude 42.7938 ± 0.0027
Longitude 13.1093 ± 0.0049
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 42881191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 274
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 282
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.08544
Epicentral distance of station farthest from the epicenter (degree) 0.40110
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 42881191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-24 18:57:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-03-24T18:38:04.64 0.1 undecidable manual S 115 44.5221 50 0.01 97
IV.RM33.EHZ. 2017-03-24T18:38:01.06 0.1 undecidable manual S 165 32.745 50 -0.41 91
IV.SMA1.EHZ. 2017-03-24T18:38:00.05 0.1 undecidable manual S 134 25.8519 50 0.42 92
IV.T1241.EHZ. 2017-03-24T18:37:59.96 0.1 undecidable manual S 75 27.0507 50 0 100
IV.FDMO.HHZ. 2017-03-24T18:37:59.87 0.3 undecidable manual S 356 26.9508 50 -0.07 74
IV.TERO.HHZ. 2017-03-24T18:37:58.32 0.1 undecidable manual P 115 44.5221 50 -0.22 93
IV.MMO1.EHZ. 2017-03-24T18:37:58.20 0.1 undecidable manual S 56 21.1677 50 -0.19 97
IV.T1299.EHZ. 2017-03-24T18:37:58.90 0.1 undecidable manual S 141 22.6551 50 0.12 98
IV.T1217.EHZ. 2017-03-24T18:37:57.41 0.1 undecidable manual S 238 17.0718 122 0.13 99
IV.MC2.EHZ. 2017-03-24T18:37:56.77 0.3 undecidable manual S 26 14.5743 127 0.23 73
IV.RM33.EHZ. 2017-03-24T18:37:56.51 0.3 undecidable manual P 165 32.745 50 -0.22 71
IV.T1218.EHZ. 2017-03-24T18:37:56.10 0.1 undecidable manual S 178 13.7751 128 -0.22 98
IV.T1299.EHZ. 2017-03-24T18:37:55.33 0.1 undecidable manual P 141 22.6551 50 0.16 98
IV.T1245.HHZ. 2017-03-24T18:37:55.02 0.1 undecidable manual S 43 9.4794 139 -0.21 99
IV.T1241.EHZ. 2017-03-24T18:37:55.85 0.1 undecidable manual P 75 27.0507 50 0 100
IV.SMA1.EHZ. 2017-03-24T18:37:55.85 0.3 undecidable manual P 134 25.8519 50 0.19 72
IV.T1216.EHZ. 2017-03-24T18:37:55.80 0.1 undecidable manual S 326 12.9759 130 -0.32 96
IV.FDMO.HHZ. 2017-03-24T18:37:55.92 0.1 undecidable manual P 356 26.9508 50 0.09 98
IV.MC2.EHZ. 2017-03-24T18:37:54.09 0.1 undecidable manual P 26 14.5743 127 0.22 98
IV.T1217.EHZ. 2017-03-24T18:37:54.48 0.1 undecidable manual P 238 17.0718 122 0.18 98
IV.MMO1.EHZ. 2017-03-24T18:37:54.89 0.1 undecidable manual P 56 21.1677 50 -0.06 100
IV.T1216.EHZ. 2017-03-24T18:37:53.79 0.1 undecidable manual P 326 12.9759 130 0.16 99
IV.T1245.HHZ. 2017-03-24T18:37:53.27 0.1 undecidable manual P 43 9.4794 139 0.15 100
IV.T1218.EHZ. 2017-03-24T18:37:53.68 0.3 undecidable manual P 178 13.7751 128 -0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1218.EHN. ML:1.0 0.00009724999999999999 0.46 AML other m 2017-03-24T18:37:56.14
IV.T1218.EHE. ML:0.9 0.00008094999999999999 0.78 AML other m 2017-03-24T18:37:56.21
IV.T1245.HHN. ML:1.2 0.000188 1.28 AML other m 2017-03-24T18:37:56.82
IV.T1245.HHE. ML:1.0 0.000131 0.08 AML other m 2017-03-24T18:37:55.29
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