Earthquake with magnitude of Md 2.4 on date 13-10-1997 and time 19:52:04 (Italy) in region 5 km N Bagno di Romagna (FC)

A magnitude Md 2.4 earthquake occured in region: 5 km N Bagno di Romagna (FC), on

  • 13-10-1997 17:52:04 (UTC)
  • 13-10-1997 19:52:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9030, 11.9860 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 5 6026 6026
Santa Sofia FC 8 4136 10162
Verghereto FC 12 1907 12069
Galeata FC 12 2516 14585
Civitella di Romagna FC 12 3786 18371
Sarsina FC 13 3446 21817
Mercato Saraceno FC 18 6886 28703
Sant'Agata Feltria RN 18 2151 30854
Casteldelci RN 18 407 31261
Premilcuore FC 19 799 32060

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Cesena (96758 inhabitants)
36 Km S of Forlì (117913 inhabitants)
43 Km S of Faenza (58541 inhabitants)
49 Km N of Arezzo (99543 inhabitants)
50 Km W of Rimini (147750 inhabitants)
55 Km SE of Imola (69797 inhabitants)
60 Km SW of Ravenna (159116 inhabitants)
60 Km E of Firenze (382808 inhabitants)
66 Km E of Scandicci (50609 inhabitants)
71 Km E of Prato (191150 inhabitants)
74 Km W of Pesaro (94582 inhabitants)
83 Km W of Fano (60888 inhabitants)
84 Km SE of Bologna (386663 inhabitants)
84 Km NE of Siena (53903 inhabitants)
86 Km E of Pistoia (90315 inhabitants)
94 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 2.4
ML-VAX 1.5
1997-10-13
17:52:04
43.903 11.986 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 297979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-10-13 17:52:04 ± 0.218
Latitude 43.9030 ± 0.0160
Longitude 11.9860 ± 0.0133
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 297979

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) 2077.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00866
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 297979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:40:10

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 297979
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(km) Takeoff_angle Residual Weight
--.CSNT.Z. 1997-10-13T17:52:28.36 10.0 undecidable manual SG 229 0.6549 -0.7 0.2
--.ASS.Z. 1997-10-13T17:52:25.50 10.0 undecidable manual PG 149 0.9657 0.94 0.3
--.CSNT.Z. 1997-10-13T17:52:19.65 10.0 undecidable manual PG 229 0.6549 0.78 0.5
--.FB9.Z. 1997-10-13T17:52:17.50 10.0 undecidable manual PG 109 0.5994 -0.38 1.1
--.CRE.Z. 1997-10-13T17:52:16.10 10.0 undecidable manual SG 185 0.2775 0.07 0.7
--.RSM.Z. 1997-10-13T17:52:12.40 10.0 undecidable manual PG 85 0.333 -0.08 1.7
--.CRE.Z. 1997-10-13T17:52:10.59 10.0 undecidable manual PG 185 0.2775 -0.75 0.6
--.SFI.Z. 1997-10-13T17:52:09.34 10.0 undecidable manual SG 270 0.0999 0.17 0.6
--.SFI.Z. 1997-10-13T17:52:07.26 10.0 positive manual PG 270 0.0999 -0.13 3.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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