Earthquake with magnitude of ML 0.6 on date 20-09-2013 and time 05:57:54 (Italy) in region 5 km NE Sellano (PG)

A magnitude ML 0.6 earthquake occured in region: 5 km NE Sellano (PG), on

  • 20-09-2013 03:57:54 (UTC)
  • 20-09-2013 05:57:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9290, 12.9570 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Sellano PG 5 1079 1079
Monte Cavallo MC 8 145 1224
Preci PG 9 724 1948
Visso MC 11 1107 3055
Cerreto di Spoleto PG 13 1075 4130
Ussita MC 15 444 4574
Pieve Torina MC 15 1458 6032
Serravalle di Chienti MC 16 1070 7102
Fiordimonte MC 16 202 7304
Castelsantangelo sul Nera MC 17 281 7585
Trevi PG 18 8469 16054
Pievebovigliana MC 18 866 16920
Muccia MC 19 915 17835
Norcia PG 19 4957 22792
Campello sul Clitunno PG 19 2442 25234
Vallo di Nera PG 19 364 25598

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
50 Km E of Perugia (166134 inhabitants)
68 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
90 Km NE 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
Bulletin
Rev1000
ML 0.6 2013-09-20
03:57:54
42.9288 12.9568 10 2015-02-12
09:08:00
Bollettino Sismico Italiano INGV 8090181
Reviewed
Rev100
ML 0.7 2013-09-20
03:57:53
42.9278 12.9187 15 2014-10-21
12:08:56
Sala Sismica INGV-Roma 4523251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-09-20 03:57:54 ± 0.07
Latitude 42.9288 ± 0.0027
Longitude 12.9568 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8090181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 387
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24372
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.5
Num. used stations 2
Type of magnitude ML
Reference to an origin 8090181
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:09:30

ML:0.7

Field Value
Value 0.7
Uncertainty 0.5
Num. used stations 2
Type of magnitude ML
Reference to an origin 4523251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-09-20 04:03:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FSSB.HHZ. 2013-09-20T03:58:21.99 3.0 undecidable manual S 0.05 0
IV.CSP1.EHZ. 2013-09-20T03:58:04.10 0.1 undecidable manual S 48 27.0507 50 0.1 96
IV.FDMO.HHZ. 2013-09-20T03:58:00.58 0.1 undecidable manual S 42 15.9729 122 -0.02 99
IV.NRCA.HHZ. 2013-09-20T03:58:00.79 0.3 undecidable manual S 130 16.5723 121 0 74
IV.CSP1.EHZ. 2013-09-20T03:57:59.66 0.1 undecidable manual P 48 27.0507 50 -0.15 95
IV.CESI.HHZ. 2013-09-20T03:57:58.81 0.1 undecidable manual S 333 9.4794 136 -0.02 100
IV.NRCA.HHZ. 2013-09-20T03:57:57.97 0.1 undecidable manual P 130 16.5723 121 0.02 99
IV.FDMO.HHZ. 2013-09-20T03:57:57.84 0.1 undecidable manual P 42 15.9729 122 0 99
IV.CESI.HHZ. 2013-09-20T03:57:56.89 0.1 undecidable manual P 333 9.4794 136 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.2 0.000022449999999999997 0.48 AML other m 2013-09-20T03:57:59.07
IV.CESI.HHE. ML:0.0 0.000014599999999999999 0.32 AML other m 2013-09-20T03:57:59.01
IV.NRCA.HHN. ML:1.0 0.0000784 0.12 AML other m 2013-09-20T03:58:01.07
IV.NRCA.HHE. ML:0.9 0.00007105 0.12 AML other m 2013-09-20T03:58:01.33
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