Earthquake with magnitude of ML 2.2 on date 16-04-2010 and time 09:07:57 (Italy) in region Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa)

A magnitude ML 2.2 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on

  • 16-04-2010 07:07:57 (UTC)
  • 16-04-2010 09:07:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6860, 9.9860 at 8 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SW of Viareggio (62467 inhabitants)
30 Km W of Livorno (159219 inhabitants)
34 Km W of Pisa (89158 inhabitants)
41 Km SW of Massa (69479 inhabitants)
45 Km S of Carrara (63133 inhabitants)
45 Km W of Lucca (89046 inhabitants)
49 Km S of La Spezia (93959 inhabitants)
80 Km W of Pistoia (90315 inhabitants)
92 Km W of Prato (191150 inhabitants)
97 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 2.5
ML 2.2
2010-04-16
07:07:57
43.686 9.986 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1032389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-04-16 07:07:57 ± 0.25
Latitude 43.6860 ± 0.0135
Longitude 9.9860 ± 0.0199
Depth (km) 8 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1032389

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1842
Semi-minor axis of confidence ellipse (meter) 1263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 2193.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.73
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.35977
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1032389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:50:28

Md:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1032389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:50:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHE. 2010-04-16T07:08:43.59 10.0 undecidable manual Pg 0 0 0
IV.NRCA.SHZ. 2010-04-16T07:08:31.15 10.0 undecidable manual Pg 0 0 0
IV.ERBM.EHZ. 2010-04-16T07:08:24.96 0.6 undecidable manual Sg 23 88.1451 0.955 38
IV.GSCL.SHZ. 2010-04-16T07:08:24.75 0.6 undecidable manual Sg 33 87.9453 0.8 41
IV.QLNO.HHZ. 2010-04-16T07:08:23.72 10.0 undecidable manual Pg 0 0 0
GU.PCP.HHN. 2010-04-16T07:08:22.24 0.3 undecidable manual Pg 310 148.9398 0.12 66
IV.SFI.EHE. 2010-04-16T07:08:21.90 0.6 undecidable manual Pg 80 150.9378 -0.535 40
IV.ASQU.HHZ. 2010-04-16T07:08:21.45 0.3 undecidable manual Pg 85 145.0437 -0.073 68
IV.MSSA.HHZ. 2010-04-16T07:08:21.40 0.6 undecidable manual Sg 332 79.2651 -0.234 50
IV.VMG.SHZ. 2010-04-16T07:08:19.26 0.6 undecidable manual Pg 76 128.3715 0.307 44
IV.SEI.SHZ. 2010-04-16T07:08:19.10 10.0 undecidable manual Pg 0 0 0
IV.ZCCA.HHZ. 2010-04-16T07:08:17.00 0.3 undecidable manual Pg 47 108.0141 1.175 50
IV.CASP.HHZ. 2010-04-16T07:08:17.50 0.3 undecidable manual Pg 144 122.0889 -0.49 65
IV.CSNT.HHE. 2010-04-16T07:08:16.19 0.3 undecidable manual Pg 102 107.4147 0.463 67
MN.VLC.HHN. 2010-04-16T07:08:16.25 0.6 undecidable manual Sg 31 61.3941 -0.621 46
IV.GRFL.SHZ. 2010-04-16T07:08:15.07 0.3 undecidable manual Pg 127 99.6225 0.543 67
IV.FNVD.HHZ. 2010-04-16T07:08:15.98 0.6 undecidable manual Pg 59 105.4167 0.57 44
IV.PII.SHZ. 2010-04-16T07:08:14.99 10.0 undecidable manual Pg 0 0 0
IV.ERBM.EHZ. 2010-04-16T07:08:13.05 0.1 undecidable manual Pg 23 88.1451 0.292 97
IV.GSCL.SHZ. 2010-04-16T07:08:12.93 0.3 undecidable manual Pg 33 87.9453 0.203 74
GU.SC2M.HHE. 2010-04-16T07:08:12.66 0.3 undecidable manual Pg 336 87.4458 0.013 77
IV.MSSA.HHZ. 2010-04-16T07:08:11.17 0.1 undecidable manual Pg 332 79.2651 -0.22 100
GU.MAIM.HHZ. 2010-04-16T07:08:11.44 0.6 undecidable manual Sg 58 47.7189 -1.768 26
MN.VLC.HHN. 2010-04-16T07:08:08.19 0.1 undecidable manual Pg 31 61.3941 -0.45 98
IV.PARC.HHE. 2010-04-16T07:08:07.40 10.0 undecidable manual Pg 0 0 0
GU.MAIM.HHZ. 2010-04-16T07:08:05.66 0.1 undecidable manual Pg 58 47.7189 -0.864 86
IV.BADI.EHZ. 2010-04-16T07:08:04.48 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHZ. 2010-04-16T07:08:01.82 10.0 undecidable manual Pg 0 0 0
IV.BLLA.EHZ. 2010-04-16T07:07:52.61 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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