Earthquake with magnitude of Md 2.3 on date 02-09-1994 and time 21:05:12 (Italy) in region 5 km E Vernasca (PC)

A magnitude Md 2.3 earthquake occured in region: 5 km E Vernasca (PC), on

  • 02-09-1994 19:05:12 (UTC)
  • 02-09-1994 21:05:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.8070, 9.8930 at 18 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
Vernasca PC 5 2131 2131
Castell'Arquato PC 5 4713 6844
Lugagnano Val d'Arda PC 6 4116 10960
Salsomaggiore Terme PR 7 19831 30791
Pellegrino Parmense PR 9 1048 31839
Alseno PC 12 4714 36553
Bore PR 12 749 37302
Gropparello PC 13 2293 39595
Fiorenzuola d'Arda PC 14 15297 54892
Carpaneto Piacentino PC 15 7715 62607
Fidenza PR 15 26770 89377
Varsi PR 16 1230 90607
Varano de' Melegari PR 16 2676 93283
Morfasso PC 18 1024 94307
Cadeo PC 18 6118 100425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Piacenza (102191 inhabitants)
34 Km W of Parma (192836 inhabitants)
38 Km S of Cremona (71901 inhabitants)
60 Km W of Reggio nell'Emilia (171345 inhabitants)
71 Km SE of Pavia (72576 inhabitants)
78 Km N of La Spezia (93959 inhabitants)
78 Km W of Carpi (70699 inhabitants)
83 Km N of Carrara (63133 inhabitants)
84 Km W of Modena (184973 inhabitants)
86 Km SW of Brescia (196480 inhabitants)
88 Km E of Genova (586655 inhabitants)
88 Km N of Massa (69479 inhabitants)
92 Km SE of Milano (1345851 inhabitants)
96 Km SE of Sesto San Giovanni (81608 inhabitants)
99 Km SE of Vigevano (63310 inhabitants)
99 Km SE of Cinisello Balsamo (75078 inhabitants)
99 Km SE of Monza (122671 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 1994-09-02
19:05:12
44.807 9.893 18 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 215769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-09-02 19:05:12 ± 0.424
Latitude 44.8070 ± 0.0139
Longitude 9.8930 ± 0.0374
Depth (km) 18 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 215769

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) 3327.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.01570
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 215769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:23:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1994-09-02T19:06:02.68 10.0 undecidable manual SN 43 1.7427 -0.09 0.6
--.MDI.Z. 1994-09-02T19:05:44.38 10.0 undecidable manual SN 352 0.9657 -0.06 0.8
--.BDI.Z. 1994-09-02T19:05:42.18 10.0 undecidable manual SN 145 0.888 -0.37 0.6
--.CTI.Z. 1994-09-02T19:05:41.50 10.0 undecidable manual PN 43 1.7427 0.08 1.5
--.MDI.Z. 1994-09-02T19:05:30.87 10.0 undecidable manual PN 352 0.9657 0.02 2.1
--.BDI.Z. 1994-09-02T19:05:29.97 10.0 undecidable manual PN 145 0.888 0.22 1.9
--.BOB.Z. 1994-09-02T19:05:25.55 10.0 undecidable manual SG 262 0.3108 0.73 0.2
--.BOB.Z. 1994-09-02T19:05:18.59 10.0 undecidable manual PG 262 0.3108 -0.92 0.3
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