Earthquake with magnitude of ML 1.9 on date 21-05-2007 and time 12:28:19 (Italy) in region 4 km NE Castelnuovo di Val di Cecina (PI)

A magnitude ML 1.9 earthquake occured in region: 4 km NE Castelnuovo di Val di Cecina (PI), on

  • 21-05-2007 10:28:19 (UTC)
  • 21-05-2007 12:28:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2300, 10.9430 at 11 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
Castelnuovo di Val di Cecina PI 4 2231 2231
Radicondoli SI 9 914 3145
Pomarance PI 10 5897 9042
Monterotondo Marittimo GR 12 1371 10413
Montieri GR 13 1204 11617
Chiusdino SI 14 1903 13520
Casole d'Elsa SI 15 3897 17417
Monteverdi Marittimo PI 19 758 18175

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Siena (53903 inhabitants)
54 Km N of Grosseto (82087 inhabitants)
62 Km SW of Scandicci (50609 inhabitants)
63 Km SE of Livorno (159219 inhabitants)
65 Km SW of Firenze (382808 inhabitants)
70 Km SE of Pisa (89158 inhabitants)
74 Km S of Prato (191150 inhabitants)
77 Km SE of Lucca (89046 inhabitants)
78 Km S of Pistoia (90315 inhabitants)
81 Km W of Arezzo (99543 inhabitants)
90 Km SE of Viareggio (62467 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 2.4
ML 1.9
2007-05-21
10:28:19
43.23 10.943 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 631409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2007-05-21 10:28:19 ± 0.5
Latitude 43.2300 ± 0.0081
Longitude 10.9430 ± 0.0173
Depth (km) 11 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 631409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1238
Semi-minor axis of confidence ellipse (meter) 672
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 1664.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.57
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01174
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 631409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:01:12

Md:2.4

Field Value
Value 2.4
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 631409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 12:01:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERC.SHZ. 2007-05-21T10:29:01.27 10.0 undecidable manual Pg 0 0 0
IV.ESLN.BHZ. 2007-05-21T10:28:58.61 10.0 undecidable manual Pg 0 0 0
IV.SFI.SHZ. 2007-05-21T10:28:50.96 0.1 undecidable manual Sg 44 104.3178 0.814 37
IV.VMG.SHZ. 2007-05-21T10:28:48.54 0.1 undecidable manual Sg 31 94.4388 1.032 35
IV.MAON.HHZ. 2007-05-21T10:28:46.65 0.1 undecidable manual Sg 170 90.243 0.249 46
IV.GSCL.SHZ. 2007-05-21T10:28:42.27 10.0 undecidable manual Pg 0 0 0
IV.PIEI.BHE. 2007-05-21T10:28:42.00 10.0 undecidable manual Pg 0 0 0
IV.ORI.EHE. 2007-05-21T10:28:41.40 10.0 undecidable manual Pg 0 0 0
IV.CRMI.HHN. 2007-05-21T10:28:38.75 0.1 undecidable manual Sg 2 62.0934 -0.138 50
MN.VLC.HHN. 2007-05-21T10:28:38.51 0.1 undecidable manual Pg 337 112.2987 -0.024 92
IV.ARCI.HHZ. 2007-05-21T10:28:37.65 0.1 undecidable manual Sg 134 60.1953 -0.73 42
IV.FNVD.HHZ. 2007-05-21T10:28:37.72 0.1 undecidable manual Pg 8 105.0171 0.307 88
IV.SFI.SHZ. 2007-05-21T10:28:37.40 0.1 undecidable manual Pg 44 104.3178 0.093 93
IV.PZZT.HHZ. 2007-05-21T10:28:36.73 0.1 undecidable manual Pg 356 100.122 0.064 94
IV.SEI.SHZ. 2007-05-21T10:28:36.30 0.1 undecidable manual Pg 20 97.3248 0.074 94
IV.VMG.SHZ. 2007-05-21T10:28:36.40 0.1 undecidable manual Pg 31 94.4388 0.618 83
IV.CRE.BHZ. 2007-05-21T10:28:35.85 0.1 undecidable manual Pg 62 92.0412 0.442 88
IV.GROG.HHE. 2007-05-21T10:28:35.15 0.3 undecidable manual Pg 285 87.5457 0.43 67
IV.BDI.HHZ. 2007-05-21T10:28:35.99 0.1 undecidable manual Pg 343 96.4257 -0.096 94
IV.MAON.HHZ. 2007-05-21T10:28:35.41 0.1 undecidable manual Pg 170 90.243 0.269 92
GU.MAIM.HHZ. 2007-05-21T10:28:33.77 0.1 undecidable manual Pg 335 84.0492 -0.419 90
IV.CSNT.BHZ. 2007-05-21T10:28:31.67 0.1 undecidable manual Sg 46 38.8278 -1.008 39
IV.ARCI.HHZ. 2007-05-21T10:28:30.38 0.1 undecidable manual Pg 134 60.1953 -0.131 100
IV.CRMI.HHN. 2007-05-21T10:28:30.44 0.1 undecidable manual Pg 2 62.0934 -0.363 95
IV.PII.SHZ. 2007-05-21T10:28:30.86 0.1 undecidable manual Pg 328 64.0914 -0.245 97
IV.CSNT.BHZ. 2007-05-21T10:28:26.30 0.1 undecidable manual Pg 46 38.8278 -0.92 81
IV.MCT.SHZ. 2007-05-21T10:28:18.97 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download