Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.3 on date 09-02-1990 and time 06:30:23 (UTC) in region 3 km E Pontenure (PC)

A magnitude Md 2.3 earthquake occured in region: 3 km E Pontenure (PC), on

  • 09-02-1990 06:30:23 (UTC)
  • 09-02-1990 07:30:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.0000, 9.8290 at 26 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pontenure PC 3 6512 6512
Cadeo PC 4 6118 12630
Caorso PC 7 4749 17379
Cortemaggiore PC 8 4644 22023
San Giorgio Piacentino PC 9 5792 27815
Carpaneto Piacentino PC 10 7715 35530
Fiorenzuola d'Arda PC 10 15297 50827
Besenzone PC 10 978 51805
San Pietro in Cerro PC 10 878 52683
Caselle Landi LO 12 1578 54261
Piacenza PC 12 102191 156452
Podenzano PC 12 9167 165619
Castelnuovo Bocca d'Adda LO 13 1638 167257
Monticelli d'Ongina PC 13 5302 172559
Meleti LO 13 462 173021
Villanova sull'Arda PC 14 1811 174832
San Rocco al Porto LO 14 3536 178368
Santo Stefano Lodigiano LO 15 1926 180294
Cornovecchio LO 15 209 180503
Alseno PC 16 4714 185217
Vigolzone PC 16 4297 189514
Corno Giovine LO 16 1170 190684
Maccastorna LO 17 69 190753
Castelvetro Piacentino PC 17 5456 196209
Castell'Arquato PC 17 4713 200922
Guardamiglio LO 17 2718 203640
Gossolengo PC 17 5637 209277
Busseto PR 17 7054 216331
San Fiorano LO 17 1822 218153
Crotta d'Adda CR 18 657 218810
Spinadesco CR 18 1537 220347
Fombio LO 19 2328 222675
Acquanegra Cremonese CR 19 1189 223864
Maleo LO 20 3155 227019
Lugagnano Val d'Arda PC 20 4116 231135
Gropparello PC 20 2293 233428

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Piacenza (102191 inhabitants)
22 Km SW of Cremona (71901 inhabitants)
45 Km W of Parma (192836 inhabitants)
56 Km E of Pavia (72576 inhabitants)
68 Km SW of Brescia (196480 inhabitants)
72 Km W of Reggio nell'Emilia (171345 inhabitants)
72 Km SE of Milano (1345851 inhabitants)
75 Km SE of Sesto San Giovanni (81608 inhabitants)
78 Km SE of Monza (122671 inhabitants)
78 Km S of Bergamo (119381 inhabitants)
79 Km SE of Cinisello Balsamo (75078 inhabitants)
84 Km E of Vigevano (63310 inhabitants)
85 Km SE of Rho (50434 inhabitants)
87 Km W of Carpi (70699 inhabitants)
95 Km W of Modena (184973 inhabitants)
96 Km E of Alessandria (93943 inhabitants)
96 Km NE of Genova (586655 inhabitants)
97 Km SE of Legnano (60262 inhabitants)
99 Km N of La Spezia (93959 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 2.0 		1990-02-09
06:30:23		 45 9.829 26 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 109919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-09 06:30:23 ± 0.406
Latitude 45.0000 ± 0.0290
Longitude 9.8290 ± 0.0490
Depth (km) 26 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 109919

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) 5021.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00316
Epicentral distance of station farthest from the epicenter (degree) 0.01117
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 109919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:42:13

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 109919
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
--.CKI.Z. 1990-02-09T06:30:59.93 10.0 undecidable manual SN 242 1.2432 -0.98 0.2
--.BDI.Z. 1990-02-09T06:30:56.50 10.0 undecidable manual SN 149 1.0767 -0.63 0.5
--.CKI.Z. 1990-02-09T06:30:46.11 10.0 undecidable manual PN 242 1.2432 0.81 0.8
--.BDI.Z. 1990-02-09T06:30:43.50 10.0 undecidable manual PN 149 1.0767 0.39 1.6
--.SAL.Z. 1990-02-09T06:30:38.50 10.0 undecidable manual PN 38 0.777 -0.43 1.7
--.BOB.Z. 1990-02-09T06:30:37.47 10.0 undecidable manual SG 229 0.3552 -1.11 0.2
--.BOB.Z. 1990-02-09T06:30:32.71 10.0 undecidable manual PG 229 0.3552 0.31 1.9
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