Earthquake with magnitude of Md 2.1 on date 11-04-1990 and time 22:19:15 (UTC) in region 4 km NE Varano de' Melegari (PR)

A magnitude Md 2.1 earthquake occured in region: 4 km NE Varano de' Melegari (PR), on

  • 11-04-1990 22:19:15 (UTC)
  • 12-04-1990 00:19:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.7210, 10.0420 at 13 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
Varano de' Melegari PR 4 2676 2676
Fornovo di Taro PR 6 6100 8776
Medesano PR 9 10828 19604
Pellegrino Parmense PR 9 1048 20652
Salsomaggiore Terme PR 12 19831 40483
Solignano PR 13 1773 42256
Terenzo PR 13 1196 43452
Collecchio PR 14 14403 57855
Noceto PR 15 13001 70856
Calestano PR 15 2100 72956
Sala Baganza PR 15 5561 78517
Felino PR 16 8790 87307
Fidenza PR 16 26770 114077
Varsi PR 17 1230 115307
Fontevivo PR 19 5597 120904
Vernasca PC 19 2131 123035
Bore PR 20 749 123784
Castell'Arquato PC 20 4713 128497

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km W of Parma (192836 inhabitants)
46 Km S of Cremona (71901 inhabitants)
46 Km SE of Piacenza (102191 inhabitants)
47 Km W of Reggio nell'Emilia (171345 inhabitants)
67 Km W of Carpi (70699 inhabitants)
70 Km N of La Spezia (93959 inhabitants)
71 Km W of Modena (184973 inhabitants)
72 Km N of Carrara (63133 inhabitants)
76 Km N of Massa (69479 inhabitants)
87 Km SE of Pavia (72576 inhabitants)
92 Km S of Brescia (196480 inhabitants)
94 Km E of Genova (586655 inhabitants)
96 Km N 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 2.1 1990-04-11
22:19:15
44.721 10.042 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 113939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-04-11 22:19:15 ± 0.334
Latitude 44.7210 ± 0.0147
Longitude 10.0420 ± 0.0236
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 113939

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) 2482.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00380
Epicentral distance of station farthest from the epicenter (degree) 0.02598
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 113939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:45:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LMR.Z. 1990-04-11T22:20:35.30 10.0 undecidable manual SN 242 2.886 1.31 0.2
--.PGF.Z. 1990-04-11T22:20:18.60 10.0 undecidable manual SN 199 2.2866 -1.27 0.2
--.SBF.Z. 1990-04-11T22:20:15.10 10.0 undecidable manual SN 245 2.0535 1.09 0.3
--.ORO.Z. 1990-04-11T22:20:07.00 10.0 undecidable manual SN 302 1.7094 1.1 0.3
--.CTI.Z. 1990-04-11T22:20:06.50 10.0 undecidable manual SN 39 1.7316 -0.13 0.9
--.LMR.Z. 1990-04-11T22:20:00.00 10.0 undecidable manual PN 242 2.886 -0.74 1
--.PGF.Z. 1990-04-11T22:19:52.00 10.0 undecidable manual PN 199 2.2866 -0.59 1.4
--.MDI.Z. 1990-04-11T22:19:52.00 10.0 undecidable manual SN 347 1.0767 1.09 0.4
--.SBF.Z. 1990-04-11T22:19:49.60 10.0 undecidable manual PN 245 2.0535 0.39 1.8
--.PII.Z. 1990-04-11T22:19:49.00 10.0 undecidable manual SN 160 1.0545 -1.35 0.2
--.SAL.Z. 1990-04-11T22:19:48.50 10.0 undecidable manual SG 20 0.9435 0.77 0.6
--.ORO.Z. 1990-04-11T22:19:45.00 10.0 undecidable manual PN 302 1.7094 0.47 1.8
--.CTI.Z. 1990-04-11T22:19:44.00 10.0 undecidable manual PN 39 1.7316 -0.95 1.1
--.BDI.Z. 1990-04-11T22:19:43.00 10.0 undecidable manual SG 148 0.7659 1.06 0.4
--.MDI.Z. 1990-04-11T22:19:36.00 10.0 undecidable manual PN 347 1.0767 0.13 2.3
--.PII.Z. 1990-04-11T22:19:35.50 10.0 undecidable manual PN 160 1.0545 -0.05 2.3
--.SAL.Z. 1990-04-11T22:19:33.50 10.0 undecidable manual PG 20 0.9435 -0.54 1.9
--.BDI.Z. 1990-04-11T22:19:32.00 10.0 undecidable manual PG 148 0.7659 1.3 0.6
--.BOB.Z. 1990-04-11T22:19:30.50 10.0 undecidable manual SG 276 0.4218 -0.39 0.8
--.BOB.Z. 1990-04-11T22:19:23.50 10.0 undecidable manual PG 276 0.4218 -0.81 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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