Earthquake with magnitude of Md 3.0 on date 24-02-1990 and time 02:03:55 (Italy) in region 4 km NE Civitella di Romagna (FC)

A magnitude Md 3.0 earthquake occured in region: 4 km NE Civitella di Romagna (FC), on

  • 24-02-1990 01:03:55 (UTC)
  • 24-02-1990 02:03:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.03, 11.98 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
Civitella di Romagna FC 4 3786 3786
Galeata FC 6 2516 6302
Predappio FC 8 6346 12648
Santa Sofia FC 11 4136 16784
Rocca San Casciano FC 11 1910 18694
Dovadola FC 12 1653 20347
Meldola FC 13 9970 30317
Portico e San Benedetto FC 15 756 31073
Castrocaro Terme e Terra del Sole FC 16 6426 37499
Premilcuore FC 17 799 38298
Sarsina FC 18 3446 41744
Bertinoro FC 18 11059 52803
Tredozio FC 19 1212 54015
Bagno di Romagna FC 19 6026 60041
Mercato Saraceno FC 20 6886 66927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km S of Forlì (117913 inhabitants)
25 Km W of Cesena (96758 inhabitants)
29 Km S of Faenza (58541 inhabitants)
42 Km SE of Imola (69797 inhabitants)
47 Km SW of Ravenna (159116 inhabitants)
47 Km W of Rimini (147750 inhabitants)
63 Km N of Arezzo (99543 inhabitants)
64 Km E of Firenze (382808 inhabitants)
70 Km E of Scandicci (50609 inhabitants)
72 Km SE of Bologna (386663 inhabitants)
72 Km E of Prato (191150 inhabitants)
76 Km W of Pesaro (94582 inhabitants)
85 Km E of Pistoia (90315 inhabitants)
86 Km W of Fano (60888 inhabitants)
94 Km SE of Ferrara (133155 inhabitants)
95 Km NE of Siena (53903 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
Rev 1000 Md 3.0
ML-VAX 2.3
1990-02-24
01:03:55
44.03 11.98 18 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 110709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-24 01:03:55 ± 0.263
Latitude 44.03 ± 0.02
Longitude 11.98 ± 0.02
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 110709

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) 3100.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.02412
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 110709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:42:58

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 110709
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 Takeoff_angle Residual Weight
--.CTI.Z. 1990-02-24T01:04:53.45 10.0 undecidable manual SN 353 0.0182 1.12 0.2
--.SDI.Z. 1990-02-24T01:04:39.00 10.0 undecidable manual PN 149 0.0241 1.83 0.1
--.FVI.Z. 1990-02-24T01:04:36.66 10.0 undecidable manual PN 12 0.0236 0.29 0.8
--.CIO.Z. 1990-02-24T01:04:33.34 10.0 undecidable manual SN 134 0.0107 0.97 0.5
--.PII.Z. 1990-02-24T01:04:31.50 10.0 undecidable manual SN 253 0.0098 1.04 0.3
--.ASS.Z. 1990-02-24T01:04:31.41 10.0 undecidable manual SN 152 0.0097 1.51 0.1
--.CTI.Z. 1990-02-24T01:04:28.43 10.0 undecidable manual PN 353 0.0182 0.22 1
--.BDI.Z. 1990-02-24T01:04:28.20 10.0 undecidable manual SN 272 0.0089 0.38 0.6
--.BOB.Z. 1990-02-24T01:04:27.43 10.0 undecidable manual PN 292 0.0175 0.32 1
--.MME.Z. 1990-02-24T01:04:26.40 10.0 undecidable manual SN 280 0.0083 -0.14 0.6
--.FIR.N. 1990-02-24T01:04:17.00 10.0 undecidable manual SG 243 0.0052 1.05 0.3
--.AOI.Z. 1990-02-24T01:04:16.98 10.0 undecidable manual PN 111 0.0114 -0.79 0.9
--.ASS.Z. 1990-02-24T01:04:15.44 10.0 undecidable manual PN 152 0.0097 0.19 1.5
--.CIO.Z. 1990-02-24T01:04:15.10 10.0 undecidable manual PN 134 0.0107 -1.67 0.5
--.PII.Z. 1990-02-24T01:04:14.40 10.0 undecidable manual PN 253 0.0098 -0.92 0.9
--.BDI.Z. 1990-02-24T01:04:13.80 10.0 positive manual PN 272 0.0089 -0.87 1.9
--.MME.Z. 1990-02-24T01:04:13.46 10.0 undecidable manual PN 280 0.0083 0.35 1.5
--.RSM.Z. 1990-02-24T01:04:11.70 10.0 undecidable manual SG! 106 0.0032 2.68 0
--.CRE.Z. 1990-02-24T01:04:09.50 10.0 undecidable manual SG 182 0.0036 -1.18 0.2
--.FIR.Z. 1990-02-24T01:04:08.00 10.0 undecidable manual PG 243 0.0052 0.8 1
--.PGD.Z. 1990-02-24T01:04:06.40 10.0 undecidable manual SG 229 0.0021 0.51 0.5
--.CRE.Z. 1990-02-24T01:04:03.50 10.0 undecidable manual PG 182 0.0036 -0.66 1.2
--.RSM.Z. 1990-02-24T01:04:03.88 10.0 positive manual PG 106 0.0032 0.68 2.3
--.SFI.Z. 1990-02-24T01:04:02.87 10.0 undecidable manual SG 215 0.0014 -0.45 0.6
--.PGD.Z. 1990-02-24T01:04:01.22 10.0 positive manual PG 229 0.0021 0.04 3.2
--.SFI.Z. 1990-02-24T01:04:00.20 10.0 positive manual PG 215 0.0014 0.11 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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