Earthquake with magnitude of Md 2.3 on date 09-03-1994 and time 05:23:11 (Italy) in region 4 km E Borgo Val di Taro (PR)

A magnitude Md 2.3 earthquake occured in region: 4 km E Borgo Val di Taro (PR), on

  • 09-03-1994 04:23:11 (UTC)
  • 09-03-1994 05:23:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4940, 9.8190 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
Borgo Val di Taro PR 4 6999 6999
Valmozzola PR 10 539 7538
Albareto PR 11 2156 9694
Compiano PR 12 1112 10806
Berceto PR 14 2109 12915
Pontremoli MS 14 7357 20272
Bedonia PR 15 3482 23754
Tornolo PR 15 1010 24764
Zeri MS 16 1094 25858
Bardi PR 17 2227 28085
Solignano PR 19 1773 29858
Varsi PR 19 1230 31088

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km N of La Spezia (93959 inhabitants)
51 Km NW of Carrara (63133 inhabitants)
53 Km SW of Parma (192836 inhabitants)
57 Km NW of Massa (69479 inhabitants)
63 Km S of Piacenza (102191 inhabitants)
68 Km W of Reggio nell'Emilia (171345 inhabitants)
71 Km E of Genova (586655 inhabitants)
73 Km S of Cremona (71901 inhabitants)
78 Km NW of Viareggio (62467 inhabitants)
89 Km W of Modena (184973 inhabitants)
90 Km W of Carpi (70699 inhabitants)
90 Km NW of Lucca (89046 inhabitants)
93 Km SE of Pavia (72576 inhabitants)
98 Km NW of Pisa (89158 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 2.3 1994-03-09
04:23:11
44.494 9.819 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 206199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-03-09 04:23:11 ± 0.351
Latitude 44.4940 ± 0.0448
Longitude 9.8190 ± 0.0557
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 206199

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) 6660.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00340
Epicentral distance of station farthest from the epicenter (degree) 0.01149
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 206199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:14:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MDI.Z. 1994-03-09T04:23:37.83 10.0 undecidable manual PN 356 1.2765 1.55 0.4
--.BDI.Z. 1994-03-09T04:23:37.50 10.0 undecidable manual SG 127 0.6993 0.2 0.8
--.GU9.Z. 1994-03-09T04:23:31.98 10.0 undecidable manual SG 104 0.5661 -0.92 0.5
--.PII.Z. 1994-03-09T04:23:31.00 10.0 undecidable manual PG 146 0.9213 0.41 1.6
--.MME.Z. 1994-03-09T04:23:27.59 10.0 undecidable manual PG 114 0.6882 1.19 1
--.BDI.Z. 1994-03-09T04:23:26.00 10.0 undecidable manual PG 127 0.6993 -0.53 1.7
--.BOB.Z. 1994-03-09T04:23:26.55 10.0 undecidable manual SG 315 0.3774 0.03 0.8
--.GU9.Z. 1994-03-09T04:23:22.96 10.0 undecidable manual PG 104 0.5661 -1.03 1
--.BOB.Z. 1994-03-09T04:23:19.51 10.0 undecidable manual PG 315 0.3774 -0.79 1.2
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