Earthquake with magnitude of ML 0.3 on date 18-05-2017 and time 22:48:01 (UTC) in region 5 km SE Norcia (PG)

A magnitude ML 0.3 earthquake occured in region: 5 km SE Norcia (PG), on

  • 18-05-2017 22:48:01 (UTC)
  • 19-05-2017 00:48:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7480, 13.1130 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 5 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 13 667 8841
Cittareale RI 15 482 9323
Poggiodomo PG 15 117 9440
Arquata del Tronto AP 15 1178 10618
Preci PG 16 724 11342
Castelsantangelo sul Nera MC 17 281 11623
Monteleone di Spoleto PG 17 599 12222
Cerreto di Spoleto PG 18 1075 13297
Amatrice RI 20 2657 15954

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SE of Foligno (57155 inhabitants)
43 Km E of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 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 0.3 2017-05-18
22:48:01
42.7485 13.1133 10 2017-05-18
22:54:52
Sala Sismica INGV-Roma 45490281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-05-18 22:48:01 ± 0.08
Latitude 42.7485 ± 0.0018
Longitude 13.1133 ± 0.0024
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 45490281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 8
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21764
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 45490281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-05-18 22:54:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CLTB.HHZ. 2017-05-18T22:49:44.64 3.0 undecidable manual Sn 2.5 0
CR.STON.BHZ. 2017-05-18T22:49:20.18 3.0 undecidable manual Sn -0.25 0
IV.MEU.SHZ. 2017-05-18T22:49:19.94 3.0 positive manual Pg 20.219999 0
IV.PII.HHZ. 2017-05-18T22:48:55.31 3.0 undecidable manual Sn -0.53 0
IV.MUCR.HHZ. 2017-05-18T22:48:46.41 3.0 undecidable manual Pn -1.39 0
IV.MCRV.HHZ. 2017-05-18T22:48:44.36 3.0 undecidable manual Sn -0.52 0
CR.STON.BHZ. 2017-05-18T22:48:44.02 3.0 undecidable manual Pn 5.37 0
IV.TREM.HHZ. 2017-05-18T22:48:28.07 3.0 negative manual Pg 11.8 0
IV.MCRV.HHZ. 2017-05-18T22:48:27.93 3.0 undecidable manual Pg 9.25 0
IV.SRES.HHZ. 2017-05-18T22:48:14.35 3.0 undecidable manual Sg -0.45 0
IV.LAV9.HHZ. 2017-05-18T22:48:14.81 3.0 undecidable manual Sg 0.08 0
IV.MC2.EHZ. 2017-05-18T22:48:08.96 0.1 undecidable manual S 19 19.0698 118 0.19 95
IV.T1216.EHZ. 2017-05-18T22:48:08.11 0.3 undecidable manual S 334 17.5713 120 -0.19 71
IV.T1217.EHZ. 2017-05-18T22:48:07.73 0.1 undecidable manual S 255 15.3735 123 0.07 98
IV.T1245.HHZ. 2017-05-18T22:48:07.04 0.1 undecidable manual S 27 13.4754 127 -0.07 98
IV.MMO1.EHZ. 2017-05-18T22:48:06.18 1.0 undecidable manual P 46 24.1536 113 -0.34 23
IV.T1214.EHZ. 2017-05-18T22:48:05.69 0.1 undecidable manual S 81 7.881 142 -0.02 100
IV.T1216.EHZ. 2017-05-18T22:48:05.33 0.1 undecidable manual P 334 17.5713 120 -0.01 98
IV.T1218.EHZ. 2017-05-18T22:48:05.81 0.1 undecidable manual S 179 8.6802 139 -0.09 98
IV.T1299.EHE. 2017-05-18T22:48:05.74 0.3 undecidable manual P 133 18.6702 118 0.2 71
IV.MC2.EHZ. 2017-05-18T22:48:05.54 0.1 undecidable manual P 19 19.0698 118 -0.07 97
IV.LNSS.HHN. 2017-05-18T22:48:05.08 0.1 undecidable manual P 200 17.1717 120 -0.2 95
IV.T1212.EHZ. 2017-05-18T22:48:05.37 0.1 undecidable manual S 273 5.5944 151 0.09 99
IV.NRCA.HNZ. 2017-05-18T22:48:05.96 0.1 undecidable manual S 0 9.4794 137 -0.11 98
IV.NRCA.HNZ. 2017-05-18T22:48:04.05 0.1 undecidable manual P 0 9.4794 137 0 100
IV.T1217.EHZ. 2017-05-18T22:48:04.99 0.1 undecidable manual P 255 15.3735 123 0.03 98
IV.T1245.HHZ. 2017-05-18T22:48:04.76 0.1 undecidable manual P 27 13.4754 127 0.11 97
IV.T1212.EHZ. 2017-05-18T22:48:03.73 0.1 undecidable manual P 273 5.5944 151 0.14 98
IV.T1214.EHZ. 2017-05-18T22:48:03.88 0.1 undecidable manual P 81 7.881 142 0.04 99
IV.T1218.EHZ. 2017-05-18T22:48:03.92 0.1 undecidable manual P 179 8.6802 139 -0.03 100
IV.VIVA.HHZ. 2017-05-18T22:48:01.41 3.0 undecidable manual P 0.17 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1245.HHE. ML:0.3 0.000020749999999999996 1.52 AML other m 2017-05-18T22:48:08.11
IV.T1245.HHN. ML:0.4 0.000024399999999999997 0.52 AML other m 2017-05-18T22:48:08.53
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