Earthquake with magnitude of Md 2.5 on date 08-07-1989 and time 03:24:13 (UTC) in region 3 km NW Verghereto (FC)

A magnitude Md 2.5 earthquake occured in region: 3 km NW Verghereto (FC), on

  • 08-07-1989 03:24:13 (UTC)
  • 08-07-1989 05:24:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8130, 11.9840 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
Verghereto FC 3 1907 1907
Bagno di Romagna FC 5 6026 7933
Chiusi della Verna AR 13 2023 9956
Casteldelci RN 14 407 10363
Santa Sofia FC 16 4136 14499
Pieve Santo Stefano AR 17 3183 17682
Sarsina FC 17 3446 21128
Bibbiena AR 19 12241 33369
Chitignano AR 19 899 34268
Caprese Michelangelo AR 19 1426 35694
Sant'Agata Feltria RN 19 2151 37845

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Arezzo (99543 inhabitants)
42 Km SW of Cesena (96758 inhabitants)
46 Km S of Forlì (117913 inhabitants)
53 Km S of Faenza (58541 inhabitants)
54 Km SW of Rimini (147750 inhabitants)
59 Km E of Firenze (382808 inhabitants)
64 Km SE of Imola (69797 inhabitants)
65 Km E of Scandicci (50609 inhabitants)
70 Km S of Ravenna (159116 inhabitants)
72 Km E of Prato (191150 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
76 Km NE of Siena (53903 inhabitants)
83 Km W of Fano (60888 inhabitants)
85 Km NW of Perugia (166134 inhabitants)
87 Km E of Pistoia (90315 inhabitants)
92 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 2.5 1989-07-08
03:24:13
43.813 11.984 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 94869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-07-08 03:24:13 ± 0.252
Latitude 43.8130 ± 0.0122
Longitude 11.9840 ± 0.0178
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 94869

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) 1972.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00923
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 94869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:28:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BDI.Z. 1989-07-08T03:24:35.00 10.0 undecidable manual PG 284 1.0212 0.43 0.7
--.RSM.Z. 1989-07-08T03:24:26.57 10.0 undecidable manual SG 70 0.3552 -1.11 0.1
--.RSM.Z. 1989-07-08T03:24:22.44 10.0 undecidable manual PG 70 0.3552 0.6 1
--.PGD.Z. 1989-07-08T03:24:21.42 10.0 undecidable manual SG 288 0.1998 -0.29 0.7
--.CRE.Z. 1989-07-08T03:24:21.58 10.0 undecidable manual SG 186 0.1887 0.03 0.8
--.PGD.Z. 1989-07-08T03:24:18.60 10.0 undecidable manual PG 288 0.1998 -0.33 1.7
--.CRE.Z. 1989-07-08T03:24:18.15 10.0 undecidable manual PG 186 0.1887 -0.15 2
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