Earthquake with magnitude of Md 2.2 on date 14-11-1993 and time 22:26:24 (Italy) in region 4 km NE Russi (RA)

A magnitude Md 2.2 earthquake occured in region: 4 km NE Russi (RA), on

  • 14-11-1993 21:26:24 (UTC)
  • 14-11-1993 22:26:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4090, 12.0590 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
Russi RA 4 12247 12247
Bagnacavallo RA 7 16739 28986
Cotignola RA 10 7474 36460
Fusignano RA 10 8222 44682
Alfonsine RA 11 12038 56720
Ravenna RA 11 159116 215836
Lugo RA 12 32390 248226
Sant'Agata sul Santerno RA 16 2862 251088
Solarolo RA 18 4488 255576
Bagnara di Romagna RA 19 2429 258005
Massa Lombarda RA 19 10653 268658
Faenza RA 20 58541 327199
Mordano BO 20 4760 331959

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km W of Ravenna (159116 inhabitants)
20 Km NE of Faenza (58541 inhabitants)
21 Km N of Forlì (117913 inhabitants)
28 Km E of Imola (69797 inhabitants)
34 Km NW of Cesena (96758 inhabitants)
56 Km NW of Rimini (147750 inhabitants)
58 Km E of Bologna (386663 inhabitants)
59 Km SE of Ferrara (133155 inhabitants)
77 Km S of Rovigo (51867 inhabitants)
88 Km NW of Pesaro (94582 inhabitants)
94 Km E of Modena (184973 inhabitants)
96 Km NE of Firenze (382808 inhabitants)
97 Km NE of Prato (191150 inhabitants)
99 Km NW of Fano (60888 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 2.2
ML-VAX 1.7
1993-11-14
21:26:24
44.409 12.059 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 200409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-11-14 21:26:24 ± 0.445
Latitude 44.4090 ± 0.0196
Longitude 12.0590 ± 0.0247
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 200409

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) 2927.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 307
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00469
Epicentral distance of station farthest from the epicenter (degree) 0.00996
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 200409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:08:22

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 200409
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
--.ARV.Z. 1993-11-14T21:27:02.23 10.0 undecidable manual SN 144 1.11 -0.31 0.5
--.CRE.Z. 1993-11-14T21:26:52.64 10.0 undecidable manual SG 185 0.7881 0.03 0.8
--.ARV.Z. 1993-11-14T21:26:46.53 10.0 undecidable manual PN 144 1.11 0.16 1.6
--.RSM.Z. 1993-11-14T21:26:45.36 10.0 undecidable manual SG 149 0.5439 0.34 0.6
--.SFI.Z. 1993-11-14T21:26:44.70 10.0 undecidable manual SG 196 0.5217 0 0.9
--.CRE.Z. 1993-11-14T21:26:39.92 10.0 undecidable manual PG 185 0.7881 -0.72 0.4
--.RSM.Z. 1993-11-14T21:26:36.26 10.0 undecidable manual PG 149 0.5439 -0.01 2.2
--.SFI.Z. 1993-11-14T21:26:36.23 10.0 undecidable manual PG 196 0.5217 0.51 1
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