Earthquake with magnitude of ML 0.7 on date 17-09-2018 and time 16:39:26 (Italy) in region 5 km W Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km W Norcia (PG), on

  • 17-09-2018 14:39:26 (UTC)
  • 17-09-2018 16:39:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 13.0350 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 5 4957 4957
Cascia PG 9 3217 8174
Preci PG 9 724 8898
Cerreto di Spoleto PG 10 1075 9973
Poggiodomo PG 13 117 10090
Sellano PG 13 1079 11169
Vallo di Nera PG 14 364 11533
Castelsantangelo sul Nera MC 15 281 11814
Visso MC 16 1107 12921
Monteleone di Spoleto PG 18 599 13520
Sant'Anatolia di Narco PG 18 564 14084
Ussita MC 18 444 14528
Scheggino PG 19 461 14989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
63 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
99 Km SW of Ancona (100861 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 0.7 2018-09-17
14:39:26
42.7985 13.0348 11 2018-09-17
14:46:23
Sala Sismica INGV-Roma 61039691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-17 14:39:26 ± 0.13
Latitude 42.7985 ± 0.0063
Longitude 13.0348 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 61039691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 700
Semi-minor axis of confidence ellipse (meter) 310
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 270
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24102
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 61039691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-17 14:46:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EPOZ.HHZ. 2018-09-17T14:41:40.31 3.0 undecidable manual Sg 12.23 0
IV.RAFF.HHZ. 2018-09-17T14:41:23.27 3.0 undecidable manual Sn -9.99 0
GU.ENR.HHZ. 2018-09-17T14:41:15.75 3.0 undecidable manual Sn -2.08 0
IV.SBPO.HNZ. 2018-09-17T14:40:57.21 3.0 undecidable manual Sg 14.43 0
IV.SERS.HHZ. 2018-09-17T14:40:36.82 3.0 undecidable manual Pg 13.99 0
IV.PANTE.HHZ. 2018-09-17T14:40:36.99 3.0 negative manual Pn -3.85 0
IV.ACER.HHZ. 2018-09-17T14:40:29.54 3.0 undecidable manual Sn -2.23 0
CH.BERNI.HHZ. 2018-09-17T14:40:27.91 3.0 positive manual Pn 1.07 0
IV.CADC.HNZ. 2018-09-17T14:40:20.78 3.0 undecidable manual Pg 5.55 0
IV.MAGA.HHZ. 2018-09-17T14:40:17.40 3.0 undecidable manual Pn 1.03 0
IV.NDIM.HHZ. 2018-09-17T14:40:16.07 3.0 negative manual Pg 11.51 0
IV.OVO.HHZ. 2018-09-17T14:40:13.40 3.0 undecidable manual Sg 1.96 0
IV.ASQU.HHZ. 2018-09-17T14:40:10.22 3.0 undecidable manual Sg 1.45 0
IV.NOCI.HHZ. 2018-09-17T14:40:06.47 3.0 undecidable manual Pn -3.47 0
IV.MCEL.HHZ. 2018-09-17T14:40:02.90 3.0 undecidable manual Pn -0.4 0
IV.OSSC.HHZ. 2018-09-17T14:39:47.60 3.0 positive manual Pn -0.54 0
IV.ATCC.EHZ. 2018-09-17T14:39:46.30 3.0 undecidable manual Sn -2.02 0
IV.CESI.HHZ. 2018-09-17T14:39:36.05 0.1 undecidable manual S 335 25.2525 50 -0.06 99
IV.MMO1.EHZ. 2018-09-17T14:39:36.32 0.1 undecidable manual S 65 26.2515 50 -0.07 99
IV.FDMO.HHZ. 2018-09-17T14:39:36.64 0.1 undecidable manual S 9 26.751 50 0.12 98
IV.MC2.EHZ. 2018-09-17T14:39:34.02 0.1 undecidable manual S 45 17.6712 50 -0.09 100
IV.CESI.HHZ. 2018-09-17T14:39:32.17 0.1 undecidable manual P 335 25.2525 50 -0.05 99
IV.MMO1.EHZ. 2018-09-17T14:39:32.39 0.1 undecidable manual P 65 26.2515 50 0.01 100
IV.FDMO.HHZ. 2018-09-17T14:39:32.44 0.3 positive manual P 9 26.751 50 -0.01 75
IV.MC2.EHZ. 2018-09-17T14:39:31.21 0.1 undecidable manual P 45 17.6712 50 0.15 99
IV.TERO.HHZ. 2018-09-17T14:39:31.19 3.0 undecidable manual P 1.46 0
OB.GAVE.EHZ. 2018-09-17T14:39:27.84 3.0 positive manual P -0.33 0
IV.FIAM.HHZ. 2018-09-17T14:39:24.99 3.0 positive manual P -0.04 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OB.GAVE.EHE. ML:0.9 0.00007455000000000001 0.74 AML other m 2018-09-17T14:39:34.40
OB.GAVE.EHN. ML:0.8 0.000059 1.02 AML other m 2018-09-17T14:39:35.90
IV.FDMO.HHE. ML:0.7 0.00002565 1.86 AML other m 2018-09-17T14:39:37.96
IV.FDMO.HHN. ML:0.4 0.000015949999999999998 0.4 AML other m 2018-09-17T14:39:37.13
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