Earthquake with magnitude of ML 1.6 on date 11-08-2006 and time 02:28:18 (Italy) in region 2 km SW Ortonovo (SP)

A magnitude ML 1.6 earthquake occured in region: 2 km SW Ortonovo (SP), on

  • 11-08-2006 00:28:18 (UTC)
  • 11-08-2006 02:28:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0770, 10.0220 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
Ortonovo SP 2 8277 8277
Castelnuovo Magra SP 3 8415 16692
Ameglia SP 5 4365 21057
Carrara MS 6 63133 84190
Sarzana SP 6 21976 106166
Fosdinovo MS 7 4883 111049
Lerici SP 9 10228 121277
Arcola SP 10 10607 131884
Massa MS 11 69479 201363
Santo Stefano di Magra SP 13 9360 210723
Vezzano Ligure SP 13 7356 218079
Montignoso MS 14 10323 228402
Portovenere SP 15 3630 232032
Aulla MS 15 11263 243295
La Spezia SP 16 93959 337254
Podenzana MS 16 2180 339434
Follo SP 16 6337 345771
Bolano SP 16 7813 353584
Forte dei Marmi LU 17 7510 361094
Minucciano LU 18 2102 363196
Casola in Lunigiana MS 19 988 364184
Tresana MS 19 2044 366228
Seravezza LU 19 13073 379301
Fivizzano MS 20 7925 387226

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Carrara (63133 inhabitants)
11 Km W of Massa (69479 inhabitants)
16 Km E of La Spezia (93959 inhabitants)
30 Km NW of Viareggio (62467 inhabitants)
46 Km NW of Lucca (89046 inhabitants)
50 Km NW of Pisa (89158 inhabitants)
63 Km NW of Livorno (159219 inhabitants)
73 Km W of Pistoia (90315 inhabitants)
84 Km SW of Parma (192836 inhabitants)
84 Km SW of Reggio nell'Emilia (171345 inhabitants)
89 Km W of Prato (191150 inhabitants)
94 Km E of Genova (586655 inhabitants)
96 Km SW of Modena (184973 inhabitants)
99 Km W of Scandicci (50609 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 2.2
ML 1.6
2006-08-11
00:28:18
44.077 10.022 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 585809
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2006-08-11 00:28:18 ± 0.16
Latitude 44.0770 ± 0.0090
Longitude 10.0220 ± 0.0125
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 585809

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1053
Semi-minor axis of confidence ellipse (meter) 947
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 1414.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80309
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 585809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:13:00

Md:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 585809
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 11:13:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2006-08-11T00:28:55.84 10.0 undecidable manual Pg 0 0 0
IV.SEI.SHZ. 2006-08-11T00:28:39.49 10.0 undecidable manual Pg 0 0 0
IV.PZZT.HHZ. 2006-08-11T00:28:39.87 0.6 undecidable manual Sg 85 67.1772 0.361 23
IV.GSCL.SHZ. 2006-08-11T00:28:36.35 0.1 undecidable manual Sg 56 54.2013 0.284 48
IV.ERBM.EHZ. 2006-08-11T00:28:34.80 0.6 undecidable manual Sg 39 49.0176 0.13 25
IV.BOB.HHE. 2006-08-11T00:28:33.92 0.3 undecidable manual Pg 329 89.1441 -0.257 67
IV.BDI.HHE. 2006-08-11T00:28:33.15 0.3 undecidable manual Sg 92 45.8208 -0.675 32
IV.PZZT.HHZ. 2006-08-11T00:28:31.19 0.6 undecidable manual Pg 85 67.1772 0.396 45
IV.GROG.HHN. 2006-08-11T00:28:31.66 0.6 undecidable manual Pg 188 72.9714 -0.036 48
IV.PII.SHZ. 2006-08-11T00:28:29.31 0.1 undecidable manual Pg 134 56.2992 0.186 97
MN.VLC.HHZ. 2006-08-11T00:28:29.17 0.3 undecidable manual Sg 73 30.3474 -0.525 35
IV.GSCL.SHZ. 2006-08-11T00:28:29.08 0.1 undecidable manual Pg 56 54.2013 0.275 96
IV.ERBM.EHZ. 2006-08-11T00:28:28.10 0.1 undecidable manual Pg 39 49.0176 0.1 100
IV.BDI.HHE. 2006-08-11T00:28:27.41 0.3 undecidable manual Pg 92 45.8208 -0.101 75
MN.VLC.HHZ. 2006-08-11T00:28:24.82 0.1 positive manual Pg 73 30.3474 -0.307 99
IV.SBPO.BHZ. 2006-08-11T00:28:14.89 10.0 undecidable manual Pg 0 0 0
IV.SFI.EHN. 2006-08-11T00:28:12.22 10.0 undecidable manual Pg 0 0 0
IV.FNVD.HHE. 2006-08-11T00:28:05.09 10.0 undecidable manual Pg 0 0 0
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