Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 05-06-2012 and time 02:04:16 (UTC) in region 3 km SE Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km SE Sellano (PG), on

  • 05-06-2012 02:04:16 (UTC)
  • 05-06-2012 04:04:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8700, 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.

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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 3 1079 1079
Cerreto di Spoleto PG 6 1075 2154
Preci PG 7 724 2878
Visso MC 13 1107 3985
Vallo di Nera PG 14 364 4349
Norcia PG 14 4957 9306
Monte Cavallo MC 14 145 9451
Campello sul Clitunno PG 16 2442 11893
Castelsantangelo sul Nera MC 16 281 12174
Trevi PG 17 8469 20643
Ussita MC 17 444 21087
Cascia PG 17 3217 24304
Poggiodomo PG 18 117 24421
Sant'Anatolia di Narco PG 18 564 24985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
98 Km N of Guidonia Montecelio (88673 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 1.1 2012-06-05
02:04:16		 42.8698 12.9572 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 1569241
Bulletin
Rev1000 		ML 1.1 2012-06-05
02:04:16		 42.8698 12.9572 10 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 2115481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-06-05 02:04:16 ± 0.1
Latitude 42.8698 ± 0.0054
Longitude 12.9572 ± 0.0098
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2115481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 796
Semi-minor axis of confidence ellipse (meter) 479
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 0.38491
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 2115481
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:32:35

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 0
Type of magnitude ML
Reference to an origin 1569241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-06-05 02:11:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2012-06-05T02:04:31.23 0.3 undecidable manual S 358 42.7239 0.38 66
IV.ASSB.HHZ. 2012-06-05T02:04:27.36 0.1 undecidable manual S 308 30.8469 -0.33 91
IV.SNTG.HHZ. 2012-06-05T02:04:24.88 0.1 undecidable manual P 358 42.7239 -0.03 95
IV.ARRO.EHZ. 2012-06-05T02:04:24.08 0.1 undecidable manual P 206 35.8419 0.24 92
IV.FDMO.HHZ. 2012-06-05T02:04:24.89 0.1 undecidable manual S 30 21.2676 -0.1 97
IV.CESI.HHZ. 2012-06-05T02:04:23.31 0.1 undecidable manual S 344 15.5733 0.05 99
IV.NRCA.HHZ. 2012-06-05T02:04:22.51 0.1 undecidable manual S 107 13.3755 -0.13 98
IV.ASSB.HHZ. 2012-06-05T02:04:22.90 0.1 undecidable manual P 308 30.8469 -0.18 94
IV.FDMO.HHZ. 2012-06-05T02:04:21.50 0.1 positive manual P 30 21.2676 -0.02 98
IV.NRCA.HHZ. 2012-06-05T02:04:20.16 0.1 undecidable manual P 107 13.3755 -0.01 100
IV.CESI.HHZ. 2012-06-05T02:04:20.77 0.1 undecidable manual P 344 15.5733 0.25 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.0001515 0.14 AML other m 2012-06-05T02:04:22.62
IV.NRCA.HHE. ML:1.0 0.00010550000000000002 1.02 AML other m 2012-06-05T02:04:23.92
IV.FDMO.HHN. ML:1.0 0.00007365 0.8 AML other m 2012-06-05T02:04:25.50
IV.FDMO.HHE. ML:1.1 0.00008235000000000001 0.36 AML other m 2012-06-05T02:04:25.02
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