Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-06-2006 and time 21:27:28 (Italy) in region 3 km NE San Gemini (TR)

A magnitude ML 2.0 earthquake occured in region: 3 km NE San Gemini (TR), on

  • 23-06-2006 19:27:28 (UTC)
  • 23-06-2006 21:27:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6380, 12.5700 at 4 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
San Gemini TR 3 5018 5018
Acquasparta TR 6 4778 9796
Montecastrilli TR 7 5022 14818
Terni TR 11 111501 126319
Avigliano Umbro TR 12 2558 128877
Narni TR 14 19785 148662
Amelia TR 16 11897 160559
Massa Martana PG 16 3770 164329
Montefranco TR 17 1276 165605
Stroncone TR 17 4917 170522
Arrone TR 18 2763 173285
Spoleto PG 18 38218 211503
Ferentillo TR 18 1913 213416

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NW of Terni (111501 inhabitants)
37 Km SW of Foligno (57155 inhabitants)
45 Km NE of Viterbo (67173 inhabitants)
54 Km S of Perugia (166134 inhabitants)
72 Km N of Guidonia Montecelio (88673 inhabitants)
75 Km W of L'Aquila (69753 inhabitants)
77 Km N of Tivoli (56533 inhabitants)
83 Km N of Roma (2864731 inhabitants)
88 Km NE of Civitavecchia (52991 inhabitants)
93 Km W of Teramo (54892 inhabitants)
100 Km N of Fiumicino (78395 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 		Md 2.5
ML 2.0 		2006-06-23
19:27:28		 42.638 12.57 4 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 575979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-06-23 19:27:28 ± 0.19
Latitude 42.6380 ± 0.0054
Longitude 12.5700 ± 0.0086
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 575979

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 712
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 922.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.54
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.30582
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 575979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:02:45

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 575979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:02:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.BHN. 2006-06-23T19:28:02.09 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2006-06-23T19:28:01.29 10.0 undecidable manual Pg 0 0 0
IV.RDP.BHN. 2006-06-23T19:28:00.59 10.0 undecidable manual Pg 0 0 0
IV.CING.HHN. 2006-06-23T19:27:59.37 0.1 undecidable manual Sg 32 96.3258 0.978 34
IV.TERO.HHZ. 2006-06-23T19:27:55.62 0.1 undecidable manual Sg 91 84.4488 0.393 44
IV.SDI.SHZ. 2006-06-23T19:27:55.01 0.1 undecidable manual Pg 135 144.9438 1.709 41
IV.VCEL.EHZ. 2006-06-23T19:27:54.38 10.0 undecidable manual Sg 0 0 0
IV.CERT.HHE. 2006-06-23T19:27:54.79 0.1 undecidable manual Sg 156 83.5497 -0.207 45
MN.AQU.HHE. 2006-06-23T19:27:52.63 10.0 undecidable manual Sg 0 0 0
IV.CAMP.EHZ. 2006-06-23T19:27:51.43 0.1 undecidable manual Sg 99 69.4749 0.195 47
IV.VCEL.EHZ. 2006-06-23T19:27:51.27 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHZ. 2006-06-23T19:27:51.76 0.1 undecidable manual Sg 357 69.375 0.538 43
IV.MTCE.BHN. 2006-06-23T19:27:51.27 0.1 undecidable manual Sg 168 69.6747 -0.019 48
IV.LATE.HHZ. 2006-06-23T19:27:49.91 0.1 undecidable manual Sg 268 62.5929 0.521 44
IV.SACS.HHE. 2006-06-23T19:27:48.26 0.1 undecidable manual Sg 294 58.5969 -0.084 49
IV.FIAM.HHZ. 2006-06-23T19:27:48.70 0.1 undecidable manual Sg 132 60.7947 -0.205 47
IV.FAGN.EHN. 2006-06-23T19:27:48.11 10.0 undecidable manual Sg 0 0 0
IV.FSSB.BHN. 2006-06-23T19:27:48.90 0.1 undecidable manual Pg 8 118.1928 -0.285 83
MN.AQU.HHE. 2006-06-23T19:27:47.08 10.0 undecidable manual Pg 0 0 0
IV.BADI.EHN. 2006-06-23T19:27:46.99 0.1 undecidable manual Pg 345 100.2219 0.585 80
IV.ARV.SHZ. 2006-06-23T19:27:46.08 0.3 undecidable manual Pg 17 100.0221 -0.294 65
IV.CING.HHN. 2006-06-23T19:27:45.79 0.1 undecidable manual Pg 32 96.3258 -0.011 92
IV.ARCI.HHN. 2006-06-23T19:27:45.45 0.1 undecidable manual Pg 285 92.241 0.275 88
IV.FAGN.EHN. 2006-06-23T19:27:44.15 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2006-06-23T19:27:43.48 0.1 undecidable manual Pg 91 84.4488 -0.496 85
IV.CERT.HHE. 2006-06-23T19:27:43.34 0.1 undecidable manual Pg 156 83.5497 -0.497 85
IV.TOLF.HHZ. 2006-06-23T19:27:42.71 0.1 undecidable manual Pg 216 78.9654 -0.418 88
IV.SNTG.SHZ. 2006-06-23T19:27:42.25 0.1 undecidable manual Pg 24 74.7696 -0.235 92
IV.MURB.HHZ. 2006-06-23T19:27:41.52 0.1 undecidable manual Pg 357 69.375 -0.137 95
IV.MTCE.BHN. 2006-06-23T19:27:41.89 0.1 undecidable manual Pg 168 69.6747 0.188 94
IV.CAMP.EHZ. 2006-06-23T19:27:41.39 0.1 undecidable manual Pg 99 69.4749 -0.279 92
IV.FIAM.HHZ. 2006-06-23T19:27:40.07 0.1 undecidable manual Pg 132 60.7947 -0.256 94
IV.LATE.HHZ. 2006-06-23T19:27:40.58 0.1 undecidable manual Pg 268 62.5929 -0.023 98
IV.SACS.HHE. 2006-06-23T19:27:39.58 0.1 undecidable manual Pg 294 58.5969 -0.421 91
IV.MNS.BHN. 2006-06-23T19:27:39.58 0.1 undecidable manual Sg 162 29.4483 0.672 44
IV.NRCA.SHZ. 2006-06-23T19:27:38.47 0.1 positive manual Pg 64 49.4172 -0.057 100
IV.MNS.BHN. 2006-06-23T19:27:34.77 0.1 undecidable manual Pg 162 29.4483 0.223 100
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