Earthquake with magnitude of Md 2.5 on date 10-03-1990 and time 22:55:41 (Italy) in region 2 km SW Castrocaro Terme e Terra del Sole (FC)

A magnitude Md 2.5 earthquake occured in region: 2 km SW Castrocaro Terme e Terra del Sole (FC), on

  • 10-03-1990 21:55:41 (UTC)
  • 10-03-1990 22:55:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.16, 11.94 at 10 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
Castrocaro Terme e Terra del Sole FC 3 6426 6426
Dovadola FC 6 1653 8079
Predappio FC 7 6346 14425
Meldola FC 10 9970 24395
Forlì FC 11 117913 142308
Modigliana FC 12 4560 146868
Rocca San Casciano FC 13 1910 148778
Faenza RA 15 58541 207319
Forlimpopoli FC 15 13290 220609
Brisighella RA 15 7639 228248
Bertinoro FC 16 11059 239307
Civitella di Romagna FC 17 3786 243093
Tredozio FC 18 1212 244305
Galeata FC 18 2516 246821
Portico e San Benedetto FC 19 756 247577

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SW of Forlì (117913 inhabitants)
15 Km SE of Faenza (58541 inhabitants)
24 Km W of Cesena (96758 inhabitants)
28 Km SE of Imola (69797 inhabitants)
36 Km SW of Ravenna (159116 inhabitants)
51 Km W of Rimini (147750 inhabitants)
61 Km SE of Bologna (386663 inhabitants)
70 Km NE of Firenze (382808 inhabitants)
74 Km E of Prato (191150 inhabitants)
75 Km NE of Scandicci (50609 inhabitants)
77 Km N of Arezzo (99543 inhabitants)
80 Km SE of Ferrara (133155 inhabitants)
83 Km W of Pesaro (94582 inhabitants)
85 Km E of Pistoia (90315 inhabitants)
93 Km W of Fano (60888 inhabitants)
97 Km SE of Modena (184973 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 2.5 1990-03-10
21:55:41
44.16 11.94 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 111489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-03-10 21:55:41 ± 0.138
Latitude 44.16 ± 0.01
Longitude 11.94 ± 0.00
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 111489

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) 966.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 272
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00874
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 111489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:43:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 1990-03-10T21:56:14.50 10.0 undecidable manual SG 131 0.0087 0.05 0.4
--.ARV.Z. 1990-03-10T21:56:00.50 10.0 undecidable manual PG 131 0.0087 0.12 0.6
--.PGD.Z. 1990-03-10T21:55:53.50 10.0 undecidable manual SG 209 0.0028 0.1 0.4
--.SFI.Z. 1990-03-10T21:55:51.30 10.0 undecidable manual SG 194 0.0023 -0.13 0.3
--.RSM.Z. 1990-03-10T21:55:50.15 10.0 undecidable manual PG 121 0.0039 -0.12 0.8
--.PGD.Z. 1990-03-10T21:55:48.24 10.0 positive manual PG 209 0.0028 0.02 3.2
--.SFI.Z. 1990-03-10T21:55:47.40 10.0 undecidable manual PG 194 0.0023 -0.05 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download