Earthquake with magnitude of Md 2.2 on date 03-06-1991 and time 02:42:09 (UTC) in region 5 km W Castellarano (RE)

A magnitude Md 2.2 earthquake occured in region: 5 km W Castellarano (RE), on

  • 03-06-1991 02:42:09 (UTC)
  • 03-06-1991 04:42:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4930, 10.6770 at 23 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
Castellarano RE 5 15232 15232
Baiso RE 6 3315 18547
Prignano sulla Secchia MO 6 3747 22294
Viano RE 8 3374 25668
Sassuolo MO 10 40853 66521
Fiorano Modenese MO 12 17160 83681
Scandiano RE 12 25483 109164
Casalgrande RE 12 19310 128474
Serramazzoni MO 12 8282 136756
Carpineti RE 13 4064 140820
Casina RE 14 4504 145324
Montefiorino MO 15 2203 147527
Albinea RE 15 8860 156387
Maranello MO 16 17359 173746
Toano RE 16 4463 178209
Vezzano sul Crostolo RE 16 4259 182468
Formigine MO 16 34323 216791
Polinago MO 17 1672 218463
Palagano MO 19 2194 220657
Rubiera RE 20 14864 235521

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km S of Reggio nell'Emilia (171345 inhabitants)
26 Km SW of Modena (184973 inhabitants)
36 Km SW of Carpi (70699 inhabitants)
44 Km SE of Parma (192836 inhabitants)
53 Km W of Bologna (386663 inhabitants)
65 Km NW of Pistoia (90315 inhabitants)
65 Km NE of Carrara (63133 inhabitants)
66 Km NE of Massa (69479 inhabitants)
73 Km N of Lucca (89046 inhabitants)
76 Km NW of Prato (191150 inhabitants)
77 Km NE of Viareggio (62467 inhabitants)
80 Km NE of La Spezia (93959 inhabitants)
84 Km W of Ferrara (133155 inhabitants)
84 Km W of Imola (69797 inhabitants)
88 Km SE of Cremona (71901 inhabitants)
89 Km N of Pisa (89158 inhabitants)
91 Km NW of Scandicci (50609 inhabitants)
93 Km NW of Firenze (382808 inhabitants)
99 Km W of Faenza (58541 inhabitants)
100 Km SE of Piacenza (102191 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 1.8
1991-06-03
02:42:09
44.493 10.677 23 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 142499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-06-03 02:42:09 ± 0.879
Latitude 44.4930 ± 0.0502
Longitude 10.6770 ± 0.0769
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 142499

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) 8264.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 296
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.01133
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 142499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:13:02

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 142499
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
--.CRE.Z. 1991-06-03T02:42:46.88 10.0 undecidable manual SN 133 1.2543 -1.21 0
--.SFI.Z. 1991-06-03T02:42:43.50 10.0 undecidable manual SN 124 1.0101 1.11 0
--.PII.Z. 1991-06-03T02:42:36.95 10.0 undecidable manual SN 188 0.777 0.4 0.5
--.CRE.Z. 1991-06-03T02:42:32.55 10.0 undecidable manual PN 133 1.2543 0.57 0.6
--.SFI.Z. 1991-06-03T02:42:28.28 10.0 undecidable manual PN 124 1.0101 -0.41 0.9
--.BDI.Z. 1991-06-03T02:42:26.77 10.0 undecidable manual SG 187 0.4329 0.3 0.5
--.PII.Z. 1991-06-03T02:42:24.83 10.0 undecidable manual PN 188 0.777 -0.49 0.9
--.MME.Z. 1991-06-03T02:42:22.21 10.0 undecidable manual SG 176 0.2997 -0.31 0.5
--.BDI.Z. 1991-06-03T02:42:19.33 10.0 positive manual PG 187 0.4329 -0.17 3
--.MME.Z. 1991-06-03T02:42:17.36 10.0 positive manual PG 176 0.2997 0.14 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download