Earthquake with magnitude of ML 0.8 on date 22-03-2017 and time 11:16:48 (Italy) in region 4 km W Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km W Norcia (PG), on

  • 22-03-2017 10:16:48 (UTC)
  • 22-03-2017 11:16:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7790, 13.0550 at 9 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 4 4957 4957
Cascia PG 7 3217 8174
Preci PG 11 724 8898
Cerreto di Spoleto PG 12 1075 9973
Poggiodomo PG 12 117 10090
Castelsantangelo sul Nera MC 15 281 10371
Vallo di Nera PG 16 364 10735
Sellano PG 16 1079 11814
Monteleone di Spoleto PG 16 599 12413
Visso MC 17 1107 13520
Accumoli RI 18 667 14187
Sant'Anatolia di Narco PG 19 564 14751
Scheggino PG 20 461 15212
Ussita MC 20 444 15656
Arquata del Tronto AP 20 1178 16834
Cittareale RI 20 482 17316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km N of Tivoli (56533 inhabitants)
94 Km W of Montesilvano (53738 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
10:16:48
42.7787 13.0553 9 2017-03-22
10:28:19
Sala Sismica INGV-Roma 42778991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-22 10:16:48 ± 0.15
Latitude 42.7787 ± 0.0027
Longitude 13.0553 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 42778991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 399
Semi-minor axis of confidence ellipse (meter) 92
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 302
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16458
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 42778991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-22 10:28:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ALJA.HHZ. 2017-03-22T10:18:07.48 3.0 positive manual Pg 18.23 0
IV.CNCS.HNZ. 2017-03-22T10:18:01.76 3.0 undecidable manual Sg 6.28 0
IV.SPS2.HHZ. 2017-03-22T10:17:44.51 3.0 negative manual Pg 5.73 0
IV.MNTV.HNZ. 2017-03-22T10:17:40.58 3.0 undecidable manual Sg -0.18 0
IV.NDIM.HNZ. 2017-03-22T10:17:38.95 3.0 undecidable manual Sg 4.31 0
IV.MGR.HHZ. 2017-03-22T10:17:36.45 3.0 undecidable manual Pg 11.89 0
IV.SACR.HHZ. 2017-03-22T10:17:31.24 3.0 undecidable manual Sn -0.93 0
IV.PTRJ.HHZ. 2017-03-22T10:17:29.67 3.0 undecidable manual Sn -1.23 0
IV.EUCT.HNZ. 2017-03-22T10:17:25.62 3.0 undecidable manual Pg 3.37 0
CR.ZAG.BHZ. 2017-03-22T10:17:25.92 3.0 undecidable manual Pn 2.05 0
IV.MOCL.EHZ. 2017-03-22T10:17:17.67 3.0 undecidable manual Sg 1.2 0
IV.NDIM.HNZ. 2017-03-22T10:17:10.73 3.0 negative manual Pg 3.81 0
GU.GRAM.HHZ. 2017-03-22T10:17:10.01 3.0 negative manual Pg 0.72 0
IV.VENL.HNZ. 2017-03-22T10:17:09.20 3.0 negative manual Pg 1.44 0
IV.SACR.HHZ. 2017-03-22T10:17:08.04 3.0 positive manual Pg 2.51 0
IV.PTRJ.HHZ. 2017-03-22T10:17:06.58 3.0 positive manual Pg 1.76 0
IV.FERS.HNZ. 2017-03-22T10:17:03.34 3.0 positive manual Pg -0.33 0
IV.T1299.EHZ. 2017-03-22T10:17:02.24 3.0 undecidable manual Sg 7.06 0
IV.MC2.EHZ. 2017-03-22T10:16:55.15 0.6 undecidable manual S 36 18.2706 116 0.04 49
IV.NARO.HHZ. 2017-03-22T10:16:54.63 3.0 undecidable manual Sg -0.51 0
IV.T1245.HHZ. 2017-03-22T10:16:53.79 0.6 undecidable manual S 51 13.7751 123 0.04 50
IV.T1217.EHZ. 2017-03-22T10:16:53.36 0.6 undecidable manual S 234 12.5763 125 -0.03 50
IV.T1218.EHZ. 2017-03-22T10:16:53.45 0.6 undecidable manual S 158 12.9759 124 -0.07 49
IV.T1216.EHZ. 2017-03-22T10:16:53.25 0.6 undecidable manual S 347 12.7761 125 -0.2 48
IV.T1214.EHZ. 2017-03-22T10:16:53.38 0.6 undecidable manual S 100 12.6762 125 -0.04 50
IV.CMPO.HNZ. 2017-03-22T10:16:52.60 3.0 negative manual Pn -6.06 0
IV.T1214.EHZ. 2017-03-22T10:16:51.30 0.6 undecidable manual P 100 12.6762 125 0.15 49
IV.T1212.EHZ. 2017-03-22T10:16:51.39 0.6 undecidable manual S 196 3.0969 161 0.07 50
IV.T1245.HHZ. 2017-03-22T10:16:51.52 0.6 undecidable manual P 51 13.7751 123 0.17 48
IV.T1217.EHZ. 2017-03-22T10:16:51.12 0.1 undecidable manual P 234 12.5763 125 -0.01 100
IV.MC2.EHZ. 2017-03-22T10:16:51.67 0.6 undecidable manual P 36 18.2706 116 -0.46 45
IV.T1218.EHZ. 2017-03-22T10:16:51.17 0.6 undecidable manual P 158 12.9759 124 -0.04 50
IV.T1216.EHZ. 2017-03-22T10:16:51.43 0.3 undecidable manual P 347 12.7761 125 0.26 71
IV.VIVA.HHZ. 2017-03-22T10:16:49.83 3.0 undecidable manual Pn -4.57 0
IV.T1212.EHZ. 2017-03-22T10:16:49.93 0.3 undecidable manual P 196 3.0969 161 -0.01 76
IV.SENI.HNZ. 2017-03-22T10:16:46.23 3.0 undecidable manual P 0.3 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1212.HNE. ML:0.0 0.00016475974999999998 0.16 AML other m 2017-03-22T10:16:51.43
IV.T1212.EHN. ML:0.0 0.0002334399 0.2048 AML other m 2017-03-22T10:16:51.54
IV.T1212.HNN. ML:0.0 0.00022602480000000002 0.224 AML other m 2017-03-22T10:16:51.53
IV.T1212.EHE. ML:0.0 0.00014774434999999998 0.1472 AML other m 2017-03-22T10:16:51.44
IV.T1214.EHN. ML:0.7 0.0000549544865 0.1152 AML other m 2017-03-22T10:16:53.57
IV.T1214.EHE. ML:0.8 0.00006895966449999999 0.16 AML other m 2017-03-22T10:16:53.63
IV.T1216.EHE. ML:0.7 0.000057386765 0.0768 AML other m 2017-03-22T10:16:53.79
IV.T1216.EHN. ML:0.9 0.000091190755 0.064 AML other m 2017-03-22T10:16:53.38
IV.T1217.HNE. ML:0.9 0.000097918605 0.544 AML other m 2017-03-22T10:16:53.76
IV.T1217.EHN. ML:0.5 0.00004154332500000001 0.0768 AML other m 2017-03-22T10:16:53.92
IV.T1217.EHE. ML:0.6 0.00004287855 0.128 AML other m 2017-03-22T10:16:53.49
IV.T1218.EHN. ML:1.0 0.00010138742000000001 0.224 AML other m 2017-03-22T10:16:53.60
IV.T1218.EHE. ML:0.6 0.000038782365 0.16 AML other m 2017-03-22T10:16:53.49
IV.T1218.HNN. ML:0.9 0.00009579137000000002 0.2368 AML other m 2017-03-22T10:16:53.48
IV.T1245.HHE. ML:0.9 0.00008170388000000001 0.2624 AML other m 2017-03-22T10:16:54.48
IV.T1245.HNE. ML:1.0 0.000112999545 0.2496 AML other m 2017-03-22T10:16:54.49
IV.T1245.HHN. ML:0.8 0.00007461094500000001 0.2048 AML other m 2017-03-22T10:16:54.49
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