Earthquake with magnitude of ML 1.9 on date 22-10-2007 and time 06:51:06 (UTC) in region 4 km NE Monteverdi Marittimo (PI)

A magnitude ML 1.9 earthquake occured in region: 4 km NE Monteverdi Marittimo (PI), on

  • 22-10-2007 06:51:06 (UTC)
  • 22-10-2007 08:51:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2030, 10.7570 at 5 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
Monteverdi Marittimo PI 4 758 758
Monterotondo Marittimo GR 10 1371 2129
Sassetta LI 12 514 2643
Castelnuovo di Val di Cecina PI 12 2231 4874
Castagneto Carducci LI 13 9010 13884
Pomarance PI 15 5897 19781
Bibbona LI 15 3175 22956
Suvereto LI 15 3072 26028
Casale Marittimo PI 16 1122 27150
Guardistallo PI 16 1234 28384
Montescudaio PI 17 2144 30528
Campiglia Marittima LI 20 13218 43746
Massa Marittima GR 20 8375 52121

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Siena (53903 inhabitants)
53 Km SE of Livorno (159219 inhabitants)
57 Km NW of Grosseto (82087 inhabitants)
64 Km SE of Pisa (89158 inhabitants)
71 Km SW of Scandicci (50609 inhabitants)
74 Km S of Lucca (89046 inhabitants)
75 Km SW of Firenze (382808 inhabitants)
80 Km SW of Prato (191150 inhabitants)
82 Km S of Pistoia (90315 inhabitants)
84 Km SE of Viareggio (62467 inhabitants)
96 Km W of Arezzo (99543 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 2.0
ML 1.9
2007-10-22
06:51:06
43.203 10.757 5 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 658649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-10-22 06:51:06 ± 0.37
Latitude 43.2030 ± 0.0162
Longitude 10.7570 ± 0.0395
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 658649

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3211
Semi-minor axis of confidence ellipse (meter) 1737
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 3671.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.84
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54499
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 658649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:30:30

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 658649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:30:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.BHN. 2007-10-22T06:51:30.95 10.0 undecidable manual Pg 0 0 0
IV.VMG.SHZ. 2007-10-22T06:51:26.69 10.0 undecidable manual Pg 0 0 0
IV.PII.SHZ. 2007-10-22T06:51:25.34 0.3 undecidable manual Sg 342 60.495 -0.993 57
IV.CSNT.BHE. 2007-10-22T06:51:23.83 0.1 undecidable manual Sg 55 52.4031 -0.353 98
IV.CASP.HHN. 2007-10-22T06:51:22.17 0.1 undecidable manual Sg 169 46.62 -0.468 96
IV.PII.SHZ. 2007-10-22T06:51:18.48 0.1 undecidable manual Pg 342 60.495 0.577 91
IV.CSNT.BHE. 2007-10-22T06:51:17.25 0.1 undecidable manual Pg 55 52.4031 0.588 92
IV.CASP.HHN. 2007-10-22T06:51:16.07 0.1 undecidable manual Pg 169 46.62 0.301 100
IV.ZCCA.BHE. 2007-10-22T06:51:08.43 10.0 undecidable manual Pg 0 0 0
IV.CIGN.BHE. 2007-10-22T06:50:56.63 10.0 undecidable manual Pg 0 0 0
MN.CUC.HHN. 2007-10-22T06:50:48.00 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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