Earthquake with magnitude of Md 2.2 on date 22-05-1990 and time 17:09:54 (Italy) in region 3 km NW Galeata (FC)

A magnitude Md 2.2 earthquake occured in region: 3 km NW Galeata (FC), on

  • 22-05-1990 15:09:54 (UTC)
  • 22-05-1990 17:09:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.02, 11.88 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
Galeata FC 3 2516 2516
Civitella di Romagna FC 5 3786 6302
Rocca San Casciano FC 6 1910 8212
Santa Sofia FC 8 4136 12348
Portico e San Benedetto FC 8 756 13104
Premilcuore FC 10 799 13903
Dovadola FC 12 1653 15556
Predappio FC 12 6346 21902
Tredozio FC 13 1212 23114
Modigliana FC 17 4560 27674
Castrocaro Terme e Terra del Sole FC 19 6426 34100
Meldola FC 19 9970 44070
Bagno di Romagna FC 19 6026 50096

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SW of Forlì (117913 inhabitants)
30 Km S of Faenza (58541 inhabitants)
32 Km W of Cesena (96758 inhabitants)
40 Km SE of Imola (69797 inhabitants)
51 Km SW of Ravenna (159116 inhabitants)
55 Km W of Rimini (147750 inhabitants)
57 Km E of Firenze (382808 inhabitants)
61 Km N of Arezzo (99543 inhabitants)
63 Km E of Scandicci (50609 inhabitants)
65 Km E of Prato (191150 inhabitants)
68 Km SE of Bologna (386663 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
83 Km W of Pesaro (94582 inhabitants)
90 Km NE of Siena (53903 inhabitants)
93 Km W of Fano (60888 inhabitants)
93 Km S of Ferrara (133155 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
Rev 1000 Md 2.2 1990-05-22
15:09:54
44.02 11.88 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 119429
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-22 15:09:54 ± 0.355
Latitude 44.02 ± 0.01
Longitude 11.88 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119429

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) 1923
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 313
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00356
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 119429
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CRE.Z. 1990-05-22T15:10:10.00 10.0 undecidable manual SG 173 0.0036 0.1 0.5
--.CRE.Z. 1990-05-22T15:10:03.00 10.0 undecidable manual PG 173 0.0036 -0.34 0.6
--.PGD.Z. 1990-05-22T15:10:01.75 10.0 undecidable manual SG 219 0.0016 0.07 0.7
--.SR3.Z. 1990-05-22T15:10:00.00 10.0 undecidable manual SG 194 0.0012 -0.08 0.7
--.SFI.Z. 1990-05-22T15:09:59.00 10.0 undecidable manual SG 192 0.001 -0.18 0.6
--.SR3.Z. 1990-05-22T15:09:58.00 10.0 positive manual PG 194 0.0012 0.34 1.8
--.PGD.Z. 1990-05-22T15:09:58.30 10.0 undecidable manual PG 219 0.0016 -0.29 1.1
--.SFI.Z. 1990-05-22T15:09:56.40 10.0 positive manual PG 192 0.001 -0.75 0
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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