Earthquake with magnitude of Md 2.2 on date 03-10-1996 and time 10:19:17 (UTC) in region 4 km SW Pomarance (PI)

A magnitude Md 2.2 earthquake occured in region: 4 km SW Pomarance (PI), on

  • 03-10-1996 10:19:17 (UTC)
  • 03-10-1996 12:19:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2730, 10.8460 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
Pomarance PI 4 5897 5897
Castelnuovo di Val di Cecina PI 9 2231 8128
Monterotondo Marittimo GR 14 1371 9499
Volterra PI 15 10519 20018
Monteverdi Marittimo PI 15 758 20776
Montecatini Val di Cecina PI 16 1749 22525
Radicondoli SI 16 914 23439
Casole d'Elsa SI 18 3897 27336
Guardistallo PI 18 1234 28570
Montescudaio PI 19 2144 30714
Casale Marittimo PI 19 1122 31836

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Siena (53903 inhabitants)
53 Km SE of Livorno (159219 inhabitants)
61 Km SW of Scandicci (50609 inhabitants)
61 Km SE of Pisa (89158 inhabitants)
61 Km NW of Grosseto (82087 inhabitants)
65 Km SW of Firenze (382808 inhabitants)
69 Km SE of Lucca (89046 inhabitants)
71 Km S of Prato (191150 inhabitants)
74 Km S of Pistoia (90315 inhabitants)
82 Km SE of Viareggio (62467 inhabitants)
87 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 2.2
ML-VAX 1.9
1996-10-03
10:19:17
43.273 10.846 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 252999
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-10-03 10:19:17 ± 0.446
Latitude 43.2730 ± 0.0231
Longitude 10.8460 ± 0.0178
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 252999

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 2944.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 266
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00453
Epicentral distance of station farthest from the epicenter (degree) 0.00785
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 252999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:59:26

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 252999
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PGD.Z. 1996-10-03T10:19:47.43 10.0 undecidable manual SG 45 0.8769 -0.17 0.7
--.BDI.Z. 1996-10-03T10:19:45.38 10.0 undecidable manual SG 346 0.7992 -0.14 0.8
--.PII.Z. 1996-10-03T10:19:36.42 10.0 undecidable manual SG 332 0.4995 0.66 0.1
--.CRE.Z. 1996-10-03T10:19:35.30 10.0 undecidable manual PG 66 0.8769 0.38 1
--.PGD.Z. 1996-10-03T10:19:34.66 10.0 undecidable manual PG 45 0.8769 -0.28 1.4
--.BDI.Z. 1996-10-03T10:19:33.82 10.0 undecidable manual PG 346 0.7992 0.09 2
--.PII.Z. 1996-10-03T10:19:27.70 10.0 undecidable manual PG 332 0.4995 -0.4 1
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