Earthquake with magnitude of Md 2.6 on date 13-03-1989 and time 19:14:24 (UTC) in region 5 km S Radicondoli (SI)

A magnitude Md 2.6 earthquake occured in region: 5 km S Radicondoli (SI), on

  • 13-03-1989 19:14:24 (UTC)
  • 13-03-1989 20:14:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.213, 11.043 at 14 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
Radicondoli SI 6 914 914
Chiusdino SI 7 1903 2817
Montieri GR 9 1204 4021
Castelnuovo di Val di Cecina PI 11 2231 6252
Monticiano SI 14 1571 7823
Casole d'Elsa SI 14 3897 11720
Pomarance PI 17 5897 17617
Monterotondo Marittimo GR 17 1371 18988
Sovicille SI 17 10116 29104

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Siena (53903 inhabitants)
51 Km N of Grosseto (82087 inhabitants)
62 Km S of Scandicci (50609 inhabitants)
64 Km S of Firenze (382808 inhabitants)
70 Km SE of Livorno (159219 inhabitants)
74 Km W of Arezzo (99543 inhabitants)
75 Km S of Prato (191150 inhabitants)
76 Km SE of Pisa (89158 inhabitants)
81 Km S of Pistoia (90315 inhabitants)
83 Km SE of Lucca (89046 inhabitants)
97 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 2.6
ML-VAX 2.4
1989-03-13
19:14:24
43.213 11.043 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 88369
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-03-13 19:14:24 ± 0.133
Latitude 43.2130 ± 0.0066
Longitude 11.0430 ± 0.0145
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 88369

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) 1388.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.00518
Epicentral distance of station farthest from the epicenter (degree) 0.01732
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 8
Type of magnitude Md
Reference to an origin 88369
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:22:55

ML:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 88369
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 Takeoff_angle Residual Weight
--.ASS.Z. 1989-03-13T19:15:01.51 10.0 undecidable manual SN 96 0.0106 -0.53 0.3
--.MME.Z. 1989-03-13T19:14:57.76 10.0 undecidable manual SN 345 0.0091 -0.19 0.6
--.BOB.Z. 1989-03-13T19:14:57.20 10.0 undecidable manual PN 323 0.0173 0.91 0.2
--.BDI.Z. 1989-03-13T19:14:55.00 10.0 undecidable manual SG 339 0.0082 -0.25 0.6
--.SFI.Z. 1989-03-13T19:14:54.22 10.0 undecidable manual SG 39 0.0081 -0.92 0.1
--.PGD.Z. 1989-03-13T19:14:52.84 10.0 undecidable manual SG 35 0.0074 0.23 0.7
--.MAO.Z. 1989-03-13T19:14:51.36 10.0 undecidable manual SG 173 0.0071 -0.4 0.5
--.CRE.Z. 1989-03-13T19:14:50.29 10.0 undecidable manual SG 57 0.007 -0.68 0.2
--.PII.Z. 1989-03-13T19:14:46.16 10.0 undecidable manual SG 323 0.0057 -0.27 0.6
--.ASS.Z. 1989-03-13T19:14:46.50 10.0 undecidable manual PN 96 0.0106 0.46 1
--.FIR.Z. 1989-03-13T19:14:45.00 10.0 undecidable manual SG 14 0.0052 0.17 0.7
--.MME.Z. 1989-03-13T19:14:43.47 10.0 undecidable manual PN 345 0.0091 -0.2 1.6
--.SFI.Z. 1989-03-13T19:14:42.20 10.0 undecidable manual PG 39 0.0081 -0.03 1.8
--.BDI.Z. 1989-03-13T19:14:41.90 10.0 undecidable manual PG 339 0.0082 -0.22 1.6
--.MAO.Z. 1989-03-13T19:14:40.11 10.0 positive manual PG 173 0.0071 0.01 3.7
--.PGD.Z. 1989-03-13T19:14:40.66 10.0 undecidable manual PG 35 0.0074 0.06 1.8
--.CRE.Z. 1989-03-13T19:14:39.75 10.0 undecidable manual PG 57 0.007 0.1 1.8
--.FIR.Z. 1989-03-13T19:14:37.00 10.0 undecidable manual PG 14 0.0052 0.9 0.3
--.PII.Z. 1989-03-13T19:14:36.47 10.0 undecidable manual PG 323 0.0057 -0.55 0.9
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