Earthquake with magnitude of ML 0.8 on date 22-03-2017 and time 09:19:20 (Italy) in region 3 km E Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 3 km E Norcia (PG), on

  • 22-03-2017 08:19:20 (UTC)
  • 22-03-2017 09:19:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8020, 13.1290 at 10 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 3 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Preci PG 11 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 14 1178 10357
Visso MC 15 1107 11464
Accumoli RI 15 667 12131
Ussita MC 16 444 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 17 1075 14173
Poggiodomo PG 19 117 14290
Sellano PG 19 1079 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km N of Tivoli (56533 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
Reviewed
Rev100
ML 0.8 2017-03-22
08:19:20
42.8018 13.1287 11 2017-03-22
08:37:10
Sala Sismica INGV-Roma 42775221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-22 08:19:20 ± 0.07
Latitude 42.8018 ± 0.0045
Longitude 13.1287 ± 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 42775221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 494
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.56118
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 42775221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-22 08:37:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2017-03-22T08:19:34.07 0.6 undecidable manual S 117 43.5231 50 -0.17 62
IV.FOSV.EHZ. 2017-03-22T08:19:29.23 3.0 undecidable manual P 62.2932 -1.89 0
IV.T1241.EHZ. 2017-03-22T08:19:29.23 0.6 undecidable manual S 76 25.3524 50 -0.16 64
IV.TERO.HHZ. 2017-03-22T08:19:28.19 0.6 undecidable manual P 117 43.5231 50 -0.04 63
IV.MMO1.EHZ. 2017-03-22T08:19:27.65 0.6 undecidable manual S 56 19.3695 118 -0.03 66
IV.T1217.EHZ. 2017-03-22T08:19:27.42 0.6 undecidable manual S 238 18.87 119 -0.1 65
IV.FDMO.HHZ. 2017-03-22T08:19:26.02 1.0 negative manual P 353 26.2515 50 0.45 30
IV.T1216.EHZ. 2017-03-22T08:19:25.55 0.6 undecidable manual S 318 13.2756 128 -0.34 63
IV.T1241.EHZ. 2017-03-22T08:19:25.38 0.6 negative manual P 76 25.3524 50 -0.05 65
IV.T1245.HHZ. 2017-03-22T08:19:24.26 0.6 undecidable manual S 38 7.7811 143 -0.28 64
IV.MMO1.EHZ. 2017-03-22T08:19:24.34 0.6 positive manual P 56 19.3695 118 -0.1 65
IV.T1214.EHZ. 2017-03-22T08:19:24.54 0.6 undecidable manual S 126 7.9809 142 -0.06 67
IV.T1217.EHZ. 2017-03-22T08:19:24.38 0.6 undecidable manual P 238 18.87 119 0.03 66
IV.T1212.EHZ. 2017-03-22T08:19:24.65 0.6 undecidable manual S 231 8.7801 140 -0.12 66
IV.T1216.EHZ. 2017-03-22T08:19:23.36 0.6 negative manual P 318 13.2756 128 -0.05 67
IV.MC2.EHZ. 2017-03-22T08:19:23.99 0.6 positive manual P 22 13.0758 129 0.61 58
IV.T1214.EHZ. 2017-03-22T08:19:22.88 0.3 negative manual P 126 7.9809 142 0.22 98
IV.T1212.EHZ. 2017-03-22T08:19:22.92 0.3 positive manual P 231 8.7801 140 0.15 99
IV.T1245.HHZ. 2017-03-22T08:19:22.73 0.3 undecidable manual P 38 7.7811 143 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1217.EHN. ML:0.6 0.0000279 0.7 AML other m 2017-03-22T08:19:28.88
IV.T1217.EHE. ML:0.5 0.000023650000000000002 0.42 AML other m 2017-03-22T08:19:34.21
IV.T1245.HHE. ML:1.0 0.000132 1.44 AML other m 2017-03-22T08:19:24.74
IV.T1245.HHN. ML:1.1 0.000162 0.1 AML other m 2017-03-22T08:19:24.79
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download