Earthquake with magnitude of Md 2.7 on date 25-03-1989 and time 06:08:59 (Italy) in region 6 km N Castrocaro Terme e Terra del Sole (FC)

A magnitude Md 2.7 earthquake occured in region: 6 km N Castrocaro Terme e Terra del Sole (FC), on

  • 25-03-1989 05:08:59 (UTC)
  • 25-03-1989 06:08:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.23, 11.96 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 6 6426 6426
Forlì FC 6 117913 124339
Faenza RA 9 58541 182880
Dovadola FC 13 1653 184533
Meldola FC 14 9970 194503
Forlimpopoli FC 14 13290 207793
Predappio FC 14 6346 214139
Brisighella RA 15 7639 221778
Modigliana FC 16 4560 226338
Castel Bolognese RA 16 9554 235892
Bertinoro FC 16 11059 246951
Russi RA 17 12247 259198
Cotignola RA 17 7474 266672
Solarolo RA 17 4488 271160
Riolo Terme RA 20 5720 276880

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Forlì (117913 inhabitants)
9 Km SE of Faenza (58541 inhabitants)
24 Km SE of Imola (69797 inhabitants)
25 Km W of Cesena (96758 inhabitants)
28 Km SW of Ravenna (159116 inhabitants)
52 Km W of Rimini (147750 inhabitants)
58 Km SE of Bologna (386663 inhabitants)
73 Km SE of Ferrara (133155 inhabitants)
76 Km NE of Firenze (382808 inhabitants)
79 Km E of Prato (191150 inhabitants)
82 Km NE of Scandicci (50609 inhabitants)
84 Km W of Pesaro (94582 inhabitants)
85 Km N of Arezzo (99543 inhabitants)
90 Km E of Pistoia (90315 inhabitants)
94 Km E of Modena (184973 inhabitants)
95 Km S of Rovigo (51867 inhabitants)
95 Km W of Fano (60888 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 2.7
ML-VAX 2.1
1989-03-25
05:08:59
44.23 11.96 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 88889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-03-25 05:08:59 ± 0.498
Latitude 44.23 ± 0.01
Longitude 11.96 ± 0.01
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 88889

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) 1678.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.003
Epicentral distance of station farthest from the epicenter (degree) 0.02501
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:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 11
Type of magnitude Md
Reference to an origin 88889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:23:24

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 88889
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
--.RBL.Z. 1989-03-25T05:10:09.42 10.0 undecidable manual SN 26 0.0223 0.13 0.5
--.FVI.Z. 1989-03-25T05:10:07.34 10.0 undecidable manual SN 13 0.0219 -0.77 0.3
--.BOB.Z. 1989-03-25T05:09:54.15 10.0 undecidable manual SN 287 0.0168 -0.65 0.4
--.CTI.Z. 1989-03-25T05:09:53.55 10.0 undecidable manual SN 353 0.0164 -0.27 0.6
--.VAI.Z. 1989-03-25T05:09:43.53 10.0 undecidable manual PN 307 0.025 -0.56 0.9
--.ASS.Z. 1989-03-25T05:09:41.45 10.0 undecidable manual SN 156 0.0114 0.98 0.3
--.FVI.Z. 1989-03-25T05:09:39.90 10.0 undecidable manual PN 13 0.0219 -0.14 1.4
--.RBL.Z. 1989-03-25T05:09:39.47 10.0 undecidable manual PN 26 0.0223 -0.44 1.1
--.PII.Z. 1989-03-25T05:09:37.62 10.0 undecidable manual SN 244 0.0104 -0.1 0.8
--.BDI.Z. 1989-03-25T05:09:34.44 10.0 undecidable manual SG 260 0.0089 0.82 0.4
--.ARV.Z. 1989-03-25T05:09:34.70 10.0 undecidable manual SG 135 0.0091 0.35 0.7
--.TRI.Z. 1989-03-25T05:09:32.59 10.0 undecidable manual PN 40 0.0175 -0.05 1.6
--.BOB.Z. 1989-03-25T05:09:32.90 10.0 undecidable manual PN 287 0.0168 1.35 0.3
--.MME.Z. 1989-03-25T05:09:31.00 10.0 undecidable manual SG 268 0.0081 0.21 0.8
--.CTI.Z. 1989-03-25T05:09:30.33 10.0 undecidable manual PN 353 0.0164 -0.65 1.1
--.FIR.Z. 1989-03-25T05:09:23.00 10.0 undecidable manual SG 228 0.0061 -0.65 0.5
--.ASS.Z. 1989-03-25T05:09:23.86 10.0 undecidable manual PN 156 0.0114 0.58 1.4
--.PII.Z. 1989-03-25T05:09:21.62 10.0 undecidable manual PN 244 0.0104 -0.07 2
--.BDI.Z. 1989-03-25T05:09:19.84 10.0 undecidable manual PG 260 0.0089 0.52 1.5
--.ARV.Z. 1989-03-25T05:09:19.86 10.0 undecidable manual PG 135 0.0091 0.12 2
--.MME.Z. 1989-03-25T05:09:19.17 10.0 undecidable manual PG 268 0.0081 1.48 0.2
--.RSM.Z. 1989-03-25T05:09:18.34 10.0 undecidable manual SG 130 0.0041 1.79 0
--.FIR.Z. 1989-03-25T05:09:14.00 10.0 undecidable manual PG 228 0.0061 0.44 1.7
--.PGD.Z. 1989-03-25T05:09:14.00 10.0 undecidable manual SG 206 0.0035 -0.39 0.7
--.SFI.Z. 1989-03-25T05:09:11.66 10.0 undecidable manual SG 194 0.003 -0.84 0.4
--.RSM.Z. 1989-03-25T05:09:09.70 10.0 undecidable manual PG 130 0.0041 0.23 1.9
--.PGD.Z. 1989-03-25T05:09:07.41 10.0 positive manual PG 206 0.0035 -0.81 2.1
--.SFI.Z. 1989-03-25T05:09:06.40 10.0 negative manual PG 194 0.003 -0.73 2.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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