Earthquake with magnitude of Md 2.9 on date 10-10-1990 and time 17:11:51 (Italy) in region 10 km S Meldola (FC)

A magnitude Md 2.9 earthquake occured in region: 10 km S Meldola (FC), on

  • 10-10-1990 16:11:51 (UTC)
  • 10-10-1990 17:11:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.04, 12.07 at 5 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
Meldola FC 10 9970 9970
Predappio FC 10 6346 16316
Civitella di Romagna FC 11 3786 20102
Bertinoro FC 13 11059 31161
Galeata FC 14 2516 33677
Mercato Saraceno FC 14 6886 40563
Sarsina FC 15 3446 44009
Santa Sofia FC 17 4136 48145
Forlimpopoli FC 17 13290 61435
Dovadola FC 17 1653 63088
Cesena FC 18 96758 159846
Castrocaro Terme e Terra del Sole FC 18 6426 166272
Rocca San Casciano FC 18 1910 168182
Sogliano al Rubicone FC 19 3195 171377
Montiano FC 20 1716 173093

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SW of Cesena (96758 inhabitants)
20 Km S of Forlì (117913 inhabitants)
31 Km SE of Faenza (58541 inhabitants)
40 Km W of Rimini (147750 inhabitants)
43 Km S of Ravenna (159116 inhabitants)
45 Km SE of Imola (69797 inhabitants)
66 Km N of Arezzo (99543 inhabitants)
69 Km W of Pesaro (94582 inhabitants)
72 Km E of Firenze (382808 inhabitants)
77 Km SE of Bologna (386663 inhabitants)
78 Km E of Scandicci (50609 inhabitants)
79 Km W of Fano (60888 inhabitants)
80 Km E of Prato (191150 inhabitants)
93 Km E of Pistoia (90315 inhabitants)
95 Km SE of Ferrara (133155 inhabitants)
100 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 2.9
ML-VAX 2.3
1990-10-10
16:11:51
44.04 12.07 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 128439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-10 16:11:51 ± 0.302
Latitude 44.04 ± 0.02
Longitude 12.07 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 128439

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) 2420.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
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) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.02339
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 128439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:59:26

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 128439
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
--.RM8.Z. 1990-10-10T16:12:38.24 10.0 undecidable manual SN! 142 0.0122 2.73 0
--.AOI.Z. 1990-10-10T16:12:35.30 10.0 undecidable manual SN! 113 0.0108 3.49 0
--.FVI.Z. 1990-10-10T16:12:33.19 10.0 undecidable manual PN 11 0.0234 -0.52 0.8
--.CIO.Z. 1990-10-10T16:12:31.70 10.0 undecidable manual SN 137 0.0103 1.33 0.3
--.ASS.Z. 1990-10-10T16:12:29.42 10.0 undecidable manual SG 156 0.0096 1.14 0.2
--.PII.Z. 1990-10-10T16:12:29.19 10.0 undecidable manual SN 254 0.0104 -1.38 0.2
--.BDI.Z. 1990-10-10T16:12:27.79 10.0 undecidable manual SG 271 0.0095 -0.21 0.6
--.MME.Z. 1990-10-10T16:12:26.83 10.0 undecidable manual SG 279 0.0089 0.87 0.4
--.MNS.Z. 1990-10-10T16:12:21.45 10.0 undecidable manual PN 164 0.0154 -0.12 1.2
--.ARV.Z. 1990-10-10T16:12:20.62 10.0 undecidable manual SG 130 0.0074 -0.17 0.7
--.RM8.Z. 1990-10-10T16:12:18.60 10.0 undecidable manual PN 142 0.0122 1.28 0.4
--.AOI.Z. 1990-10-10T16:12:16.40 10.0 undecidable manual PN 113 0.0108 1.75 0.2
--.PII.Z. 1990-10-10T16:12:13.15 10.0 undecidable manual PN 254 0.0104 -0.78 1
--.CIO.Z. 1990-10-10T16:12:13.00 10.0 undecidable manual PN 137 0.0103 -0.81 1
--.MME.Z. 1990-10-10T16:12:12.20 10.0 undecidable manual PG 279 0.0089 0.75 1.1
--.BDI.Z. 1990-10-10T16:12:12.22 10.0 undecidable manual PG 271 0.0095 -0.22 1.6
--.ASS.Z. 1990-10-10T16:12:12.95 10.0 undecidable manual PG 156 0.0096 0.34 1.5
--.ARV.Z. 1990-10-10T16:12:08.10 10.0 undecidable manual PG 130 0.0074 -0.27 1.6
--.CRE.Z. 1990-10-10T16:12:07.43 10.0 undecidable manual SG 191 0.0038 -0.42 0.6
--.PGD.Z. 1990-10-10T16:12:03.90 10.0 undecidable manual SG 236 0.0027 0.21 0.7
--.RSM.Z. 1990-10-10T16:12:02.25 10.0 undecidable manual SG 112 0.0027 -0.53 0.6
--.CRE.Z. 1990-10-10T16:12:00.25 10.0 positive manual PG 191 0.0038 -0.56 2.8
--.SFI.Z. 1990-10-10T16:11:58.45 10.0 undecidable manual SG 229 0.0019 -1.02 0.3
--.PGD.Z. 1990-10-10T16:11:57.92 10.0 positive manual PG 236 0.0027 -0.02 3.5
--.SFI.Z. 1990-10-10T16:11:56.56 10.0 positive manual PG 229 0.0019 0.59 2.7
--.RSM.Z. 1990-10-10T16:11:56.25 10.0 undecidable manual PG 112 0.0027 -1.63 0.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download