Earthquake with magnitude of Md 2.3 on date 12-04-1990 and time 06:38:30 (UTC) in region 6 km SE Salsomaggiore Terme (PR)

A magnitude Md 2.3 earthquake occured in region: 6 km SE Salsomaggiore Terme (PR), on

  • 12-04-1990 06:38:30 (UTC)
  • 12-04-1990 08:38:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7680, 10.0000 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
Salsomaggiore Terme PR 6 19831 19831
Pellegrino Parmense PR 7 1048 20879
Varano de' Melegari PR 9 2676 23555
Medesano PR 11 10828 34383
Fornovo di Taro PR 12 6100 40483
Fidenza PR 12 26770 67253
Vernasca PC 14 2131 69384
Castell'Arquato PC 14 4713 74097
Alseno PC 15 4714 78811
Lugagnano Val d'Arda PC 15 4116 82927
Noceto PR 15 13001 95928
Varsi PR 17 1230 97158
Solignano PR 17 1773 98931
Bore PR 17 749 99680
Fontevivo PR 17 5597 105277
Collecchio PR 17 14403 119680
Terenzo PR 19 1196 120876
Fontanellato PR 19 7033 127909
Sala Baganza PR 19 5561 133470
Fiorenzuola d'Arda PC 19 15297 148767

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Parma (192836 inhabitants)
40 Km SE of Piacenza (102191 inhabitants)
41 Km S of Cremona (71901 inhabitants)
51 Km W of Reggio nell'Emilia (171345 inhabitants)
70 Km W of Carpi (70699 inhabitants)
75 Km W of Modena (184973 inhabitants)
75 Km N of La Spezia (93959 inhabitants)
77 Km N of Carrara (63133 inhabitants)
81 Km SE of Pavia (72576 inhabitants)
82 Km N of Massa (69479 inhabitants)
88 Km S of Brescia (196480 inhabitants)
93 Km E of Genova (586655 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
ML-VAX 2.1
1990-04-12
06:38:30
44.768 10 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 114049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-04-12 06:38:30 ± 0.197
Latitude 44.7680 ± 0.0130
Longitude 10.0000 ± 0.0190
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 114049

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) 2086.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.01546
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 114049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:46:03

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 114049
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
--.CTI.Z. 1990-04-12T06:39:21.50 10.0 undecidable manual SN 41 1.7205 -0.96 0
--.MDI.Z. 1990-04-12T06:39:06.50 10.0 undecidable manual SG 348 1.0212 0.6 0.1
--.CTI.Z. 1990-04-12T06:39:00.50 10.0 undecidable manual PN 41 1.7205 -0.19 1
--.MDI.Z. 1990-04-12T06:38:51.37 10.0 positive manual PG 348 1.0212 0.25 2.4
--.SAL.Z. 1990-04-12T06:38:49.00 10.0 undecidable manual PG 23 0.9213 -0.05 1.6
--.BDI.Z. 1990-04-12T06:38:47.60 10.0 undecidable manual PG 148 0.8214 0.29 1.1
--.BOB.Z. 1990-04-12T06:38:45.70 10.0 undecidable manual SG 269 0.3885 -0.37 0.4
--.BOB.Z. 1990-04-12T06:38:39.12 10.0 undecidable manual PG 269 0.3885 -0.19 1.4
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