Earthquake with magnitude of Md 2.2 on date 01-05-1990 and time 04:08:19 (Italy) in region 3 km E Castelnuovo di Val di Cecina (PI)

A magnitude Md 2.2 earthquake occured in region: 3 km E Castelnuovo di Val di Cecina (PI), on

  • 01-05-1990 02:08:19 (UTC)
  • 01-05-1990 04:08:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2030, 10.9490 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
Castelnuovo di Val di Cecina PI 3 2231 2231
Montieri GR 10 1204 3435
Monterotondo Marittimo GR 10 1371 4806
Radicondoli SI 10 914 5720
Pomarance PI 13 5897 11617
Chiusdino SI 13 1903 13520
Casole d'Elsa SI 17 3897 17417
Massa Marittima GR 18 8375 25792
Monteverdi Marittimo PI 19 758 26550

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Siena (53903 inhabitants)
51 Km N of Grosseto (82087 inhabitants)
65 Km SW of Scandicci (50609 inhabitants)
65 Km SE of Livorno (159219 inhabitants)
68 Km SW of Firenze (382808 inhabitants)
72 Km SE of Pisa (89158 inhabitants)
76 Km S of Prato (191150 inhabitants)
80 Km SE of Lucca (89046 inhabitants)
81 Km W of Arezzo (99543 inhabitants)
81 Km S of Pistoia (90315 inhabitants)
93 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 2.2
ML-VAX 1.7
1990-05-01
02:08:19
43.203 10.949 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 115659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-01 02:08:19 ± 0.227
Latitude 43.2030 ± 0.0111
Longitude 10.9490 ± 0.0310
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 115659

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) 2799.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00534
Epicentral distance of station farthest from the epicenter (degree) 0.00801
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 115659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:47:32

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 115659
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. 1990-05-01T02:08:50.00 10.0 undecidable manual SG 39 0.8769 0.39 0.6
--.BDI.Z. 1990-05-01T02:08:50.50 10.0 undecidable manual SG 343 0.888 0.21 0.7
--.CRE.Z. 1990-05-01T02:08:49.40 10.0 undecidable manual SG 59 0.8325 0.95 0.3
--.MAO.Z. 1990-05-01T02:08:46.67 10.0 undecidable manual SG 168 0.7881 -0.54 0.5
--.PII.Z. 1990-05-01T02:08:40.00 10.0 undecidable manual SG 329 0.5883 -0.88 0.3
--.BDI.Z. 1990-05-01T02:08:37.31 10.0 undecidable manual PG 343 0.888 -0.02 1.8
--.PGD.Z. 1990-05-01T02:08:36.00 10.0 undecidable manual PG 39 0.8769 -0.94 0.6
--.CRE.Z. 1990-05-01T02:08:35.30 10.0 undecidable manual PG 59 0.8325 -0.97 0.6
--.MAO.Z. 1990-05-01T02:08:35.59 10.0 negative manual PG 168 0.7881 0.04 3.8
--.PII.Z. 1990-05-01T02:08:32.74 10.0 undecidable manual PG 329 0.5883 0.84 0.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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