Earthquake with magnitude of Md 2.4 on date 10-01-1990 and time 23:08:51 (Italy) in region 1 km NE Predappio (FC)

A magnitude Md 2.4 earthquake occured in region: 1 km NE Predappio (FC), on

  • 10-01-1990 22:08:51 (UTC)
  • 10-01-1990 23:08:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.11, 11.98 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
Predappio FC 1 6346 6346
Meldola FC 7 9970 16316
Dovadola FC 8 1653 17969
Castrocaro Terme e Terra del Sole FC 8 6426 24395
Civitella di Romagna FC 12 3786 28181
Rocca San Casciano FC 12 1910 30091
Bertinoro FC 13 11059 41150
Forlì FC 14 117913 159063
Galeata FC 14 2516 161579
Forlimpopoli FC 15 13290 174869
Modigliana FC 16 4560 179429
Portico e San Benedetto FC 19 756 180185
Santa Sofia FC 19 4136 184321
Tredozio FC 19 1212 185533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km SW of Forlì (117913 inhabitants)
21 Km W of Cesena (96758 inhabitants)
21 Km SE of Faenza (58541 inhabitants)
35 Km SE of Imola (69797 inhabitants)
39 Km SW of Ravenna (159116 inhabitants)
47 Km W of Rimini (147750 inhabitants)
67 Km SE of Bologna (386663 inhabitants)
69 Km NE of Firenze (382808 inhabitants)
72 Km N of Arezzo (99543 inhabitants)
75 Km NE of Scandicci (50609 inhabitants)
75 Km E of Prato (191150 inhabitants)
78 Km W of Pesaro (94582 inhabitants)
86 Km SE of Ferrara (133155 inhabitants)
87 Km E of Pistoia (90315 inhabitants)
88 Km W 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
Rev 1000 Md 2.4
ML-VAX 2.0
1990-01-10
22:08:51
44.11 11.99 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 107659
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-01-10 22:08:51 ± 1.079
Latitude 44.11 ± 0.04
Longitude 11.99 ± 0.06
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 107659

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) 7036.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 275
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) 0.00202
Epicentral distance of station farthest from the epicenter (degree) 0.0089
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 107659
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:40:13

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 107659
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 Takeoff_angle Residual Weight
--.BDI.Z. 1990-01-10T22:09:25.50 10.0 undecidable manual SG 267 0.0089 0.19 0.5
--.BDI.Z. 1990-01-10T22:09:11.18 10.0 undecidable manual PG 267 0.0089 0.21 1.3
--.CRE.Z. 1990-01-10T22:09:09.50 10.0 undecidable manual SG 182 0.0044 0.5 0.5
--.CRE.Z. 1990-01-10T22:09:01.00 10.0 undecidable manual PG 182 0.0044 -0.55 1.2
--.SFI.Z. 1990-01-10T22:09:01.55 10.0 undecidable manual SG 205 0.002 0.97 0.2
--.PGD.Z. 1990-01-10T22:09:01.65 10.0 undecidable manual SG 219 0.0027 -1.29 0
--.PGD.Z. 1990-01-10T22:08:57.95 10.0 undecidable manual PG 219 0.0027 -0.1 2.1
--.SFI.Z. 1990-01-10T22:08:56.51 10.0 undecidable manual PG 205 0.002 -0.18 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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