Earthquake with magnitude of Md 2.4 on date 22-05-1990 and time 19:13:24 (Italy) in region 3 km SW Galeata (FC)

A magnitude Md 2.4 earthquake occured in region: 3 km SW Galeata (FC), on

  • 22-05-1990 17:13:24 (UTC)
  • 22-05-1990 19:13:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9770, 11.8900 at 10 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
Santa Sofia FC 4 4136 6652
Civitella di Romagna FC 5 3786 10438
Premilcuore FC 9 799 11237
Rocca San Casciano FC 10 1910 13147
Portico e San Benedetto FC 10 756 13903
Bagno di Romagna FC 15 6026 19929
Predappio FC 16 6346 26275
Dovadola FC 16 1653 27928
Tredozio FC 16 1212 29140

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Forlì (117913 inhabitants)
33 Km SW of Cesena (96758 inhabitants)
34 Km S of Faenza (58541 inhabitants)
44 Km SE of Imola (69797 inhabitants)
55 Km SW of Ravenna (159116 inhabitants)
55 Km W of Rimini (147750 inhabitants)
56 Km E of Firenze (382808 inhabitants)
57 Km N of Arezzo (99543 inhabitants)
62 Km E of Scandicci (50609 inhabitants)
64 Km E of Prato (191150 inhabitants)
72 Km SE of Bologna (386663 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
82 Km W of Pesaro (94582 inhabitants)
86 Km NE of Siena (53903 inhabitants)
92 Km W of Fano (60888 inhabitants)
98 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
Bulletin
Rev1000
Md 2.4 1990-05-22
17:13:24
43.977 11.89 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 119459
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-22 17:13:24 ± 0.324
Latitude 43.9770 ± 0.0236
Longitude 11.8900 ± 0.0151
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119459

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) 2891.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00955
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 119459
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.BDI.Z. 1990-05-22T17:13:56.00 10.0 undecidable manual SG 275 0.9213 -0.36 0.4
--.ARV.Z. 1990-05-22T17:13:55.00 10.0 undecidable manual SG 121 0.888 -0.22 0.5
--.ASS.Z. 1990-05-22T17:13:45.50 10.0 undecidable manual PN 148 1.0656 0.32 0.9
--.BDI.Z. 1990-05-22T17:13:42.00 10.0 undecidable manual PG 275 0.9213 -0.89 0.3
--.ARV.Z. 1990-05-22T17:13:42.00 10.0 undecidable manual PG 121 0.888 -0.23 1.1
--.RSM.Z. 1990-05-22T17:13:38.67 10.0 undecidable manual SG 96 0.3996 -0.78 0.2
--.CRE.Z. 1990-05-22T17:13:37.00 10.0 undecidable manual SG 172 0.3552 -0.94 0.1
--.RSM.Z. 1990-05-22T17:13:33.61 10.0 undecidable manual PG 96 0.3996 0.48 1.2
--.CRE.Z. 1990-05-22T17:13:32.50 10.0 undecidable manual PG 172 0.3552 0.25 1.6
--.PGD.Z. 1990-05-22T17:13:31.50 10.0 undecidable manual SG 230 0.1554 0.03 0.7
--.SR3.Z. 1990-05-22T17:13:29.00 10.0 undecidable manual SG 202 0.0999 -0.78 0.2
--.PGD.Z. 1990-05-22T17:13:29.15 10.0 positive manual PG 230 0.1554 0.63 1.7
--.SFI.Z. 1990-05-22T17:13:28.82 10.0 undecidable manual SG 202 0.0666 -0.29 0.6
--.SR3.Z. 1990-05-22T17:13:27.00 10.0 positive manual PG 202 0.0999 -0.54 1
--.SFI.Z. 1990-05-22T17:13:27.39 10.0 positive manual PG 202 0.0666 0.24 3.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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