Earthquake with magnitude of Md 2.6 on date 26-08-1989 and time 16:40:18 (Italy) in region 5 km S Faenza (RA)

A magnitude Md 2.6 earthquake occured in region: 5 km S Faenza (RA), on

  • 26-08-1989 14:40:18 (UTC)
  • 26-08-1989 16:40:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.25, 11.9 at 8 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 5 58541 58541
Castrocaro Terme e Terra del Sole FC 9 6426 64967
Brisighella RA 11 7639 72606
Castel Bolognese RA 12 9554 82160
Forlì FC 12 117913 200073
Modigliana FC 13 4560 204633
Solarolo RA 14 4488 209121
Dovadola FC 14 1653 210774
Riolo Terme RA 14 5720 216494
Cotignola RA 16 7474 223968
Bagnara di Romagna RA 17 2429 226397
Predappio FC 17 6346 232743
Russi RA 18 12247 244990
Mordano BO 18 4760 249750
Meldola FC 18 9970 259720
Imola BO 19 69797 329517
Forlimpopoli FC 19 13290 342807
Lugo RA 20 32390 375197
Bagnacavallo RA 20 16739 391936

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km S of Faenza (58541 inhabitants)
12 Km W of Forlì (117913 inhabitants)
19 Km SE of Imola (69797 inhabitants)
30 Km W of Cesena (96758 inhabitants)
31 Km SW of Ravenna (159116 inhabitants)
52 Km SE of Bologna (386663 inhabitants)
57 Km W of Rimini (147750 inhabitants)
69 Km SE of Ferrara (133155 inhabitants)
74 Km NE of Firenze (382808 inhabitants)
76 Km NE of Prato (191150 inhabitants)
79 Km NE of Scandicci (50609 inhabitants)
86 Km E of Pistoia (90315 inhabitants)
87 Km N of Arezzo (99543 inhabitants)
89 Km E of Modena (184973 inhabitants)
89 Km W of Pesaro (94582 inhabitants)
92 Km S of Rovigo (51867 inhabitants)
100 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 2.6
ML-VAX 2.0
1989-08-26
14:40:18
44.25 11.9 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 98289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-08-26 14:40:18 ± 0.591
Latitude 44.25 ± 0.01
Longitude 11.90 ± 0.02
Depth (km) 8 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 98289

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) 1990.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.02461
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 98289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:31:52

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 98289
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. 1989-08-26T14:41:02.00 10.0 undecidable manual PN 307 0.0246 -0.04 0.8
--.ARV.Z. 1989-08-26T14:40:54.20 10.0 undecidable manual SN 134 0.0095 -0.12 0.5
--.ALP.Z. 1989-08-26T14:40:51.30 10.0 undecidable manual PN 139 0.0171 0.8 0.1
--.BOB.Z. 1989-08-26T14:40:49.00 10.0 undecidable manual PN 287 0.0164 -0.47 0.5
--.CTI.Z. 1989-08-26T14:40:49.00 10.0 undecidable manual PN 354 0.0163 -0.27 0.8
--.MME.Z. 1989-08-26T14:40:48.85 10.0 undecidable manual SG 266 0.0077 0.84 0
--.CM8.Z. 1989-08-26T14:40:43.50 10.0 undecidable manual PN 139 0.0124 0.09 1.2
--.AM8.Z. 1989-08-26T14:40:43.90 10.0 undecidable manual PN 119 0.0126 0.12 2.2
--.CRE.Z. 1989-08-26T14:40:40.68 10.0 undecidable manual SG 176 0.0056 0.18 0.5
--.ARV.Z. 1989-08-26T14:40:38.77 10.0 positive manual PN 134 0.0095 -0.21 2.3
--.BDI.Z. 1989-08-26T14:40:37.24 10.0 undecidable manual PG 259 0.0085 0.2 1.2
--.MME.Z. 1989-08-26T14:40:35.51 10.0 undecidable manual PG 266 0.0077 0.16 1.2
--.PGD.Z. 1989-08-26T14:40:33.65 10.0 undecidable manual SG 199 0.0035 0.68 0.1
--.CRE.Z. 1989-08-26T14:40:31.46 10.0 undecidable manual PG 176 0.0056 0.45 0.7
--.SFI.Z. 1989-08-26T14:40:30.11 10.0 undecidable manual SG 186 0.0031 -1.3 0
--.RSM.Z. 1989-08-26T14:40:28.89 10.0 undecidable manual PG 128 0.0045 0.11 1.3
--.PGD.Z. 1989-08-26T14:40:26.42 10.0 negative manual PG 199 0.0035 -0.23 2.3
--.SFI.Z. 1989-08-26T14:40:25.54 10.0 positive manual PG 186 0.0031 -0.22 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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