Earthquake with magnitude of Md 2.1 on date 30-10-1995 and time 05:03:10 (Italy) in region 2 km SW Tredozio (FC)

A magnitude Md 2.1 earthquake occured in region: 2 km SW Tredozio (FC), on

  • 30-10-1995 04:03:10 (UTC)
  • 30-10-1995 05:03:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0700, 11.7260 at 25 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
Tredozio FC 2 1212 1212
Portico e San Benedetto FC 7 756 1968
Marradi FI 9 3139 5107
Rocca San Casciano FC 9 1910 7017
Modigliana FC 11 4560 11577
Premilcuore FC 11 799 12376
Dovadola FC 14 1653 14029
Palazzuolo sul Senio FI 15 1154 15183
Galeata FC 17 2516 17699
Brisighella RA 17 7639 25338
San Godenzo FI 18 1167 26505
Civitella di Romagna FC 18 3786 30291
Casola Valsenio RA 19 2617 32908
Santa Sofia FC 20 4136 37044

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km SW of Faenza (58541 inhabitants)
30 Km SW of Forlì (117913 inhabitants)
32 Km S of Imola (69797 inhabitants)
42 Km W of Cesena (96758 inhabitants)
50 Km NE of Firenze (382808 inhabitants)
54 Km SW of Ravenna (159116 inhabitants)
54 Km E of Prato (191150 inhabitants)
56 Km NE of Scandicci (50609 inhabitants)
56 Km SE of Bologna (386663 inhabitants)
66 Km E of Pistoia (90315 inhabitants)
67 Km W of Rimini (147750 inhabitants)
68 Km N of Arezzo (99543 inhabitants)
86 Km S of Ferrara (133155 inhabitants)
89 Km NE of Siena (53903 inhabitants)
90 Km SE of Modena (184973 inhabitants)
97 Km W of Pesaro (94582 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 2.1 1995-10-30
04:03:10
44.07 11.726 25 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 235779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-10-30 04:03:10 ± 0.484
Latitude 44.0700 ± 0.0739
Longitude 11.7260 ± 0.0449
Depth (km) 25 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 235779

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) 8964.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00542
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 235779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:43:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ZC9.Z. 1995-10-30T04:03:33.34 10.0 undecidable manual SN 297 0.5994 0.81 0
--.ZC9.Z. 1995-10-30T04:03:23.36 10.0 undecidable manual PN 297 0.5994 0.11 0.7
--.PGD.Z. 1995-10-30T04:03:21.55 10.0 undecidable manual SG 180 0.1887 0.66 0
--.VMG.Z. 1995-10-30T04:03:21.35 10.0 undecidable manual SG 230 0.1665 0.99 0
--.PTF.Z. 1995-10-30T04:03:20.93 10.0 negative manual PG 256 0.4773 -0.2 1.4
--.SFI.Z. 1995-10-30T04:03:20.32 10.0 undecidable manual SG 152 0.1776 -0.42 0.2
--.SEI.Z. 1995-10-30T04:03:17.18 10.0 negative manual PG 266 0.2553 -0.33 1.3
--.VMG.Z. 1995-10-30T04:03:16.15 10.0 negative manual PG 230 0.1665 -0.08 2.1
--.SFI.Z. 1995-10-30T04:03:16.38 10.0 positive manual PG 152 0.1776 -0.07 2.1
--.PGD.Z. 1995-10-30T04:03:16.61 10.0 positive manual PG 180 0.1887 0.07 2.1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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