Earthquake with magnitude of Md 2.7 on date 08-09-1989 and time 11:04:48 (Italy) in region 3 km SW Faenza (RA)

A magnitude Md 2.7 earthquake occured in region: 3 km SW Faenza (RA), on

  • 08-09-1989 09:04:48 (UTC)
  • 08-09-1989 11:04:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.26, 11.86 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
Faenza RA 3 58541 58541
Castel Bolognese RA 8 9554 68095
Brisighella RA 8 7639 75734
Riolo Terme RA 11 5720 81454
Solarolo RA 11 4488 85942
Castrocaro Terme e Terra del Sole FC 12 6426 92368
Modigliana FC 13 4560 96928
Bagnara di Romagna RA 14 2429 99357
Imola BO 15 69797 169154
Cotignola RA 15 7474 176628
Mordano BO 15 4760 181388
Forlì FC 16 117913 299301
Dovadola FC 16 1653 300954
Lugo RA 18 32390 333344
Russi RA 19 12247 345591
Casola Valsenio RA 19 2617 348208
Casalfiumanese BO 19 3438 351646
Bagnacavallo RA 20 16739 368385
Sant'Agata sul Santerno RA 20 2862 371247

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km SW of Faenza (58541 inhabitants)
15 Km SE of Imola (69797 inhabitants)
16 Km W of Forlì (117913 inhabitants)
32 Km SW of Ravenna (159116 inhabitants)
34 Km W of Cesena (96758 inhabitants)
48 Km SE of Bologna (386663 inhabitants)
61 Km W of Rimini (147750 inhabitants)
66 Km S of Ferrara (133155 inhabitants)
73 Km NE of Firenze (382808 inhabitants)
74 Km NE of Prato (191150 inhabitants)
78 Km NE of Scandicci (50609 inhabitants)
83 Km E of Pistoia (90315 inhabitants)
85 Km E of Modena (184973 inhabitants)
89 Km N of Arezzo (99543 inhabitants)
90 Km S of Rovigo (51867 inhabitants)
93 Km W of Pesaro (94582 inhabitants)
96 Km SE of Carpi (70699 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 2.2
1989-09-08
09:04:48
44.27 11.86 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 99039
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-09-08 09:04:48 ± 0.673
Latitude 44.27 ± 0.04
Longitude 11.86 ± 0.04
Depth (km) 10 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 99039

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) 5185.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.02428
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 99039
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:32:31

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 99039
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
--.VAI.Z. 1989-09-08T09:05:30.00 10.0 undecidable manual PN? 307 0.0243 -1.45 0.2
--.MDI.Z. 1989-09-08T09:05:24.50 10.0 undecidable manual PN? 315 0.0192 0.77 0.4
--.ARV.Z. 1989-09-08T09:05:23.62 10.0 undecidable manual SN 133 0.0098 -1.19 0.3
--.BDI.Z. 1989-09-08T09:05:19.50 10.0 undecidable manual SG 257 0.0083 -0.41 0.8
--.CTI.Z. 1989-09-08T09:05:17.50 10.0 undecidable manual PN? 355 0.016 -1.39 0.3
--.CM8.Z. 1989-09-08T09:05:15.41 10.0 undecidable manual PN 138 0.0127 1.6 0.7
--.ASS.Z. 1989-09-08T09:05:14.50 10.0 undecidable manual PN 154 0.012 1.86 0.5
--.CRE.Z. 1989-09-08T09:05:11.50 10.0 undecidable manual SG 173 0.0058 0.44 0.8
--.ARV.Z. 1989-09-08T09:05:09.30 10.0 undecidable manual PN 133 0.0098 -0.36 1.9
--.BDI.Z. 1989-09-08T09:05:07.00 10.0 undecidable manual PG 257 0.0083 0.44 1.9
--.CRE.Z. 1989-09-08T09:05:01.50 10.0 undecidable manual PG 173 0.0058 0.05 2.2
--.SFI.Z. 1989-09-08T09:05:00.50 10.0 undecidable manual SG 180 0.0032 -1.31 0.3
--.RSM.Z. 1989-09-08T09:04:59.11 10.0 undecidable manual PG 127 0.0049 -0.4 1.9
--.SFI.Z. 1989-09-08T09:04:55.50 10.0 undecidable manual PG 180 0.0032 -0.61 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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