Earthquake with magnitude of Md 2.2 on date 11-07-1994 and time 11:18:22 (Italy) in region 3 km E Meldola (FC)

A magnitude Md 2.2 earthquake occured in region: 3 km E Meldola (FC), on

  • 11-07-1994 09:18:22 (UTC)
  • 11-07-1994 11:18:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1240, 12.0980 at 4 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 3 9970 9970
Bertinoro FC 4 11059 21029
Forlimpopoli FC 8 13290 34319
Predappio FC 10 6346 40665
Cesena FC 12 96758 137423
Forlì FC 12 117913 255336
Castrocaro Terme e Terra del Sole FC 13 6426 261762
Dovadola FC 17 1653 263415
Montiano FC 17 1716 265131
Civitella di Romagna FC 18 3786 268917
Longiano FC 19 7126 276043
Gambettola FC 19 10660 286703
Roncofreddo FC 20 3386 290089

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km W of Cesena (96758 inhabitants)
12 Km SE of Forlì (117913 inhabitants)
25 Km SE of Faenza (58541 inhabitants)
34 Km S of Ravenna (159116 inhabitants)
38 Km W of Rimini (147750 inhabitants)
40 Km SE of Imola (69797 inhabitants)
69 Km W of Pesaro (94582 inhabitants)
73 Km SE of Bologna (386663 inhabitants)
75 Km N of Arezzo (99543 inhabitants)
78 Km NE of Firenze (382808 inhabitants)
80 Km W of Fano (60888 inhabitants)
84 Km E of Scandicci (50609 inhabitants)
84 Km E of Prato (191150 inhabitants)
88 Km SE of Ferrara (133155 inhabitants)
97 Km E of Pistoia (90315 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 2.2
ML-VAX 1.6
1994-07-11
09:18:22
44.124 12.098 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 212789
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-07-11 09:18:22 ± 0.569
Latitude 44.1240 ± 0.0340
Longitude 12.0980 ± 0.0154
Depth (km) 4 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 212789

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) 3973.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.00963
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 212789
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:20:34

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 212789
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
--.BDI.Z. 1994-07-11T09:18:59.70 10.0 undecidable manual SG 267 1.0656 -0.04 0.5
--.ARV.Z. 1994-07-11T09:18:53.37 10.0 undecidable manual SG 135 0.8769 0.23 0.3
--.BDI.Z. 1994-07-11T09:18:44.10 10.0 undecidable manual PG 267 1.0656 0.27 1
--.ARV.Z. 1994-07-11T09:18:38.50 10.0 undecidable manual PG 135 0.8769 -1.52 0.2
--.PGD.Z. 1994-07-11T09:18:36.96 10.0 undecidable manual SG 227 0.3552 0.63 0.5
--.RSM.Z. 1994-07-11T09:18:34.99 10.0 undecidable manual SG 127 0.3108 0.47 0.3
--.SFI.Z. 1994-07-11T09:18:32.82 10.0 undecidable manual SG 219 0.2775 -0.31 0.6
--.RSM.Z. 1994-07-11T09:18:29.28 10.0 undecidable manual PG 127 0.3108 0.02 1.7
--.PGD.Z. 1994-07-11T09:18:29.77 10.0 undecidable manual PG 227 0.3552 -0.54 1.2
--.SFI.Z. 1994-07-11T09:18:28.57 10.0 negative manual PG 219 0.2775 0.1 3.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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