Earthquake with magnitude of Md 2.2 on date 03-08-1990 and time 15:16:21 (Italy) in region 4 km W Cesena (FC)

A magnitude Md 2.2 earthquake occured in region: 4 km W Cesena (FC), on

  • 03-08-1990 13:16:21 (UTC)
  • 03-08-1990 15:16:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.12, 12.2 at 27 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
Cesena FC 4 96758 96758
Bertinoro FC 6 11059 107817
Forlimpopoli FC 9 13290 121107
Montiano FC 10 1716 122823
Meldola FC 11 9970 132793
Gambettola FC 12 10660 143453
Longiano FC 12 7126 150579
Roncofreddo FC 13 3386 153965
Gatteo FC 15 9068 163033
Sogliano al Rubicone FC 15 3195 166228
Borghi FC 16 2843 169071
Savignano sul Rubicone FC 17 17766 186837
Forlì FC 17 117913 304750
Predappio FC 17 6346 311096
San Mauro Pascoli FC 18 11690 322786
Mercato Saraceno FC 18 6886 329672
Cesenatico FC 18 25796 355468
Cervia RA 20 28940 384408

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km W of Cesena (96758 inhabitants)
17 Km SE of Forlì (117913 inhabitants)
30 Km W of Rimini (147750 inhabitants)
31 Km SE of Faenza (58541 inhabitants)
33 Km S of Ravenna (159116 inhabitants)
46 Km SE of Imola (69797 inhabitants)
62 Km W of Pesaro (94582 inhabitants)
73 Km W of Fano (60888 inhabitants)
77 Km NE of Arezzo (99543 inhabitants)
80 Km SE of Bologna (386663 inhabitants)
85 Km E of Firenze (382808 inhabitants)
91 Km E of Scandicci (50609 inhabitants)
92 Km E of Prato (191150 inhabitants)
92 Km SE of Ferrara (133155 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 2.2 1990-08-03
13:16:21
44.12 12.2 27 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 124249
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-08-03 13:16:21 ± 0.324
Latitude 44.12 ± 0.04
Longitude 12.20 ± 0.08
Depth (km) 27 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 124249

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) 7397.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 325
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00478
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 124249
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:55:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CRE.Z. 1990-08-03T13:16:41.50 10.0 undecidable manual SN 199 0.0048 0.09 0.4
--.PGD.Z. 1990-08-03T13:16:38.50 10.0 undecidable manual SG 234 0.0037 0.37 0.1
--.SR3.Z. 1990-08-03T13:16:36.00 10.0 undecidable manual SG 227 0.0032 -0.23 0.4
--.SFI.Z. 1990-08-03T13:16:35.50 10.0 undecidable manual SG 228 0.0029 -0.12 0.5
--.CRE.Z. 1990-08-03T13:16:33.00 10.0 undecidable manual PN 199 0.0048 -0.03 1.3
--.PGD.Z. 1990-08-03T13:16:31.00 10.0 negative manual PG 234 0.0037 -0.13 2.2
--.SFI.Z. 1990-08-03T13:16:30.00 10.0 undecidable manual PG 228 0.0029 0.32 0.3
--.SR3.Z. 1990-08-03T13:16:30.00 10.0 positive manual PG 227 0.0032 -0.03 2.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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