Earthquake with magnitude of Md 2.3 on date 03-07-1989 and time 18:37:59 (UTC) in region 2 km SE Bagno di Romagna (FC)

A magnitude Md 2.3 earthquake occured in region: 2 km SE Bagno di Romagna (FC), on

  • 03-07-1989 18:37:59 (UTC)
  • 03-07-1989 20:37:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8450, 12.0020 at 5 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
Bagno di Romagna FC 3 6026 6026
Verghereto FC 5 1907 7933
Santa Sofia FC 14 4136 12069
Casteldelci RN 14 407 12476
Sarsina FC 14 3446 15922
Sant'Agata Feltria RN 17 2151 18073
Chiusi della Verna AR 17 2023 20096
Galeata FC 18 2516 22612
Civitella di Romagna FC 19 3786 26398
Pieve Santo Stefano AR 20 3183 29581

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Cesena (96758 inhabitants)
42 Km S of Forlì (117913 inhabitants)
43 Km N of Arezzo (99543 inhabitants)
50 Km S of Faenza (58541 inhabitants)
51 Km W of Rimini (147750 inhabitants)
60 Km E of Firenze (382808 inhabitants)
61 Km SE of Imola (69797 inhabitants)
66 Km S of Ravenna (159116 inhabitants)
67 Km E of Scandicci (50609 inhabitants)
73 Km E of Prato (191150 inhabitants)
74 Km W of Pesaro (94582 inhabitants)
80 Km NE of Siena (53903 inhabitants)
82 Km W of Fano (60888 inhabitants)
87 Km E of Pistoia (90315 inhabitants)
88 Km NW of Perugia (166134 inhabitants)
89 Km SE of Bologna (386663 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
Bulletin
Rev1000
Md 2.3 1989-07-03
18:37:59
43.845 12.002 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 94509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-07-03 18:37:59 ± 0.742
Latitude 43.8450 ± 0.0390
Longitude 12.0020 ± 0.0522
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 94509

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) 6029.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.1
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00818
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 94509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:28:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1989-07-03T18:38:27.50 10.0 undecidable manual SG 116 0.7548 0.6 0.3
--.ASS.Z. 1989-07-03T18:38:22.00 10.0 undecidable manual SG 148 0.9102 -9.7 0
--.ARV.Z. 1989-07-03T18:38:16.50 10.0 undecidable manual PG 116 0.7548 1.17 0.8
--.ASS.Z. 1989-07-03T18:38:14.00 10.0 undecidable manual PG 148 0.9102 -4.09 0.6
--.CRE.Z. 1989-07-03T18:38:08.34 10.0 undecidable manual SG 189 0.222 -0.12 0.6
--.PGD.Z. 1989-07-03T18:38:07.00 10.0 undecidable manual SG 278 0.1998 -0.58 0.6
--.CRE.Z. 1989-07-03T18:38:05.26 10.0 positive manual PG 189 0.222 0.58 2.8
--.SFI.Z. 1989-07-03T18:38:04.85 10.0 undecidable manual SG 298 0.1221 0.18 0.7
--.PGD.Z. 1989-07-03T18:38:04.00 10.0 undecidable manual PG 278 0.1998 -0.17 1.7
--.SFI.Z. 1989-07-03T18:38:02.70 10.0 undecidable manual PG 298 0.1221 0.21 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download