Earthquake with magnitude of ML 0.2 on date 24-04-2017 and time 20:00:56 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 0.2 earthquake occured in region: 7 km E Norcia (PG), on

  • 24-04-2017 18:00:56 (UTC)
  • 24-04-2017 20:00:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.1780 at 7 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
Arquata del Tronto AP 10 1178 6135
Accumoli RI 12 667 6802
Castelsantangelo sul Nera MC 12 281 7083
Montegallo AP 14 523 7606
Preci PG 15 724 8330
Cascia PG 16 3217 11547
Montemonaco AP 17 604 12151
Visso MC 18 1107 13258
Ussita MC 18 444 13702
Cittareale RI 19 482 14184
Acquasanta Terme AP 19 2916 17100
Amatrice RI 20 2657 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
97 Km E of Viterbo (67173 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 0.2 2017-04-24
18:00:56
42.7883 13.1783 7 2017-04-24
18:16:10
Sala Sismica INGV-Roma 44336121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-24 18:00:56 ± 0.11
Latitude 42.7883 ± 0.0027
Longitude 13.1783 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 44336121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 122
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 34
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21134
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 44336121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-24 18:16:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2017-04-24T18:02:42.59 3.0 undecidable manual Pn 3.76 0
SI.BOSI.HHZ. 2017-04-24T18:02:28.98 3.0 undecidable manual Sn 2.44 0
GU.CANO.HHZ. 2017-04-24T18:02:25.54 3.0 undecidable manual Sn 6.66 0
MN.CUC.HHZ. 2017-04-24T18:02:21.17 3.0 undecidable manual Sn -7.07 0
IV.CNCS.HNZ. 2017-04-24T18:02:10.34 3.0 undecidable manual Sn -3.5 0
IV.ALJA.HHZ. 2017-04-24T18:02:07.28 3.0 positive manual Pn 3.08 0
IV.NDIM.HNZ. 2017-04-24T18:01:52.58 3.0 undecidable manual Sn -0.14 0
IV.EUCT.HNZ. 2017-04-24T18:01:48.79 3.0 undecidable manual Pg 9.62 0
GU.RNCA.HHZ. 2017-04-24T18:01:38.48 3.0 positive manual Pn 3.8 0
IV.LEOD.HNZ. 2017-04-24T18:01:35.99 3.0 positive manual Pn 0.55 0
GU.GORR.HHZ. 2017-04-24T18:01:34.98 3.0 positive manual Pn 2.12 0
IV.LIK.EHZ.01 2017-04-24T18:01:31.09 3.0 undecidable manual Sn -2.97 0
IV.LRP.HHZ. 2017-04-24T18:01:20.69 3.0 undecidable manual Pg 8.02 0
IV.PE3.EHZ. 2017-04-24T18:01:14.30 3.0 undecidable manual S -1.34 0
IV.COR1.EHZ. 2017-04-24T18:01:12.00 3.0 undecidable manual S -3.73 0
IV.LNSS.HHZ. 2017-04-24T18:01:05.46 0.3 undecidable manual S 209 23.4543 106 0.1 72
IV.T1299.EHZ. 2017-04-24T18:01:04.27 0.3 undecidable manual S 154 19.0698 109 0.36 69
IV.T1241.EHE. 2017-04-24T18:01:04.97 0.3 undecidable manual S 70 21.867 107 0.13 72
IV.CPGN.EHZ. 2017-04-24T18:01:04.74 3.0 undecidable manual P -0.83 0
IV.MMO1.EHZ. 2017-04-24T18:01:03.16 0.3 undecidable manual S 44 17.2716 111 -0.15 72
IV.T1218.EHZ. 2017-04-24T18:01:02.36 0.1 undecidable manual S 201 14.0748 115 0.05 99
IV.MC2.EHZ. 2017-04-24T18:01:02.52 0.3 undecidable manual S 4 13.6752 116 0.35 70
IV.T1241.EHE. 2017-04-24T18:01:01.14 0.3 undecidable manual P 70 21.867 107 -0.34 69
IV.T1212.EHZ. 2017-04-24T18:01:01.54 0.1 undecidable manual S 249 11.6772 120 -0.01 100
IV.LNSS.HHZ. 2017-04-24T18:01:01.44 0.3 undecidable manual P 209 23.4543 106 -0.34 69
IV.T1299.EHZ. 2017-04-24T18:01:01.01 0.3 undecidable manual P 154 19.0698 109 0.06 73
IV.MC2.EHZ. 2017-04-24T18:01:00.12 0.3 undecidable manual P 4 13.6752 116 0.18 72
IV.MMO1.EHZ. 2017-04-24T18:01:00.50 0.3 undecidable manual P 44 17.2716 111 -0.1 73
IV.NRCA.HHN. 2017-04-24T18:01:00.21 0.3 undecidable manual S 314 7.1928 133 -0.09 74
IV.T1214.EHZ. 2017-04-24T18:00:59.43 0.3 undecidable manual S 142 3.996 149 -0.17 73
IV.T1212.EHZ. 2017-04-24T18:00:59.58 0.1 undecidable manual P 249 11.6772 120 0 100
IV.T1218.EHZ. 2017-04-24T18:00:59.98 0.3 undecidable manual P 201 14.0748 115 -0.04 74
IV.T1214.EHZ. 2017-04-24T18:00:58.41 0.3 undecidable manual P 142 3.996 149 -0.05 75
IV.NRCA.HHN. 2017-04-24T18:00:58.91 0.1 undecidable manual P 314 7.1928 133 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1212.EHE. ML:0.0 0.000016458441 0.1152 AML other m 2017-04-24T18:01:01.70
IV.T1212.EHN. ML:0.2 0.000019126765 0.5376 AML other m 2017-04-24T18:01:01.63
IV.T1214.EHE. ML:0.0 0.00009494622499999999 0.1792 AML other m 2017-04-24T18:00:59.48
IV.T1214.HNN. ML:0.0 0.00011245262 0.2432 AML other m 2017-04-24T18:00:59.59
IV.T1214.EHN. ML:0.0 0.00010648965000000001 0.2432 AML other m 2017-04-24T18:00:59.59
IV.T1218.EHN. ML:0.4 0.0000303305215 0.2048 AML other m 2017-04-24T18:01:02.46
IV.T1218.EHE. ML:0.2 0.000021772273999999997 0.192 AML other m 2017-04-24T18:01:02.48
IV.T1299.EHN. ML:0.1 0.000010856855500000001 0.2816 AML other m 2017-04-24T18:01:04.50
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
Waveforms Seismic signals in miniseed + resp format not available