Earthquake with magnitude of Md 2.0 on date 28-12-1988 and time 04:58:44 (Italy) in region 5 km NW Bagno di Romagna (FC)

A magnitude Md 2.0 earthquake occured in region: 5 km NW Bagno di Romagna (FC), on

  • 28-12-1988 03:58:44 (UTC)
  • 28-12-1988 04:58:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9010, 11.9430 at 7 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 6 6026 6026
Santa Sofia FC 6 4136 10162
Galeata FC 11 2516 12678
Civitella di Romagna FC 12 3786 16464
Verghereto FC 13 1907 18371
Premilcuore FC 16 799 19170
Sarsina FC 16 3446 22616
Portico e San Benedetto FC 19 756 23372
Rocca San Casciano FC 20 1910 25282

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SW of Cesena (96758 inhabitants)
37 Km S of Forlì (117913 inhabitants)
43 Km S of Faenza (58541 inhabitants)
49 Km N of Arezzo (99543 inhabitants)
53 Km W of Rimini (147750 inhabitants)
54 Km SE of Imola (69797 inhabitants)
57 Km E of Firenze (382808 inhabitants)
61 Km SW of Ravenna (159116 inhabitants)
63 Km E of Scandicci (50609 inhabitants)
68 Km E of Prato (191150 inhabitants)
78 Km W of Pesaro (94582 inhabitants)
81 Km NE of Siena (53903 inhabitants)
82 Km SE of Bologna (386663 inhabitants)
82 Km E of Pistoia (90315 inhabitants)
87 Km W of Fano (60888 inhabitants)
95 Km NW of Perugia (166134 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 2.0 1988-12-28
03:58:44
43.901 11.943 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 84199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-12-28 03:58:44 ± 0.212
Latitude 43.9010 ± 0.0080
Longitude 11.9430 ± 0.0122
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 84199

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) 1318.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 266
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00251
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 84199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:19:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1988-12-28T03:58:55.50 10.0 undecidable manual SG 178 0.2775 -0.11 0.3
--.CRE.Z. 1988-12-28T03:58:51.00 10.0 undecidable manual PG 178 0.2775 0.07 1
--.PGD.Z. 1988-12-28T03:58:51.37 10.0 undecidable manual SG 260 0.1554 0.18 0.1
--.PGD.Z. 1988-12-28T03:58:48.30 10.0 negative manual PG 260 0.1554 -0.08 2.6
--.SFI.Z. 1988-12-28T03:58:47.95 10.0 undecidable manual SG 272 0.0666 -0.12 0.3
--.SFI.Z. 1988-12-28T03:58:46.62 10.0 undecidable manual PG 272 0.0666 0.04 1.6
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