Earthquake with magnitude of Md 2.5 on date 28-02-1990 and time 15:11:41 (Italy) in region Costa Marchigiana Fermana (Fermo)

A magnitude Md 2.5 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on

  • 28-02-1990 14:11:41 (UTC)
  • 28-02-1990 15:11:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2360, 13.8800 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
Porto San Giorgio FM 9 16121 16121
Porto Sant'Elpidio FM 10 26152 42273
Civitanova Marche MC 15 41983 84256
Fermo FM 15 37655 121911
Pedaso FM 16 2800 124711
Sant'Elpidio a Mare FM 16 17110 141821
Altidona FM 16 3390 145211
Lapedona FM 16 1166 146377
Monte Urano FM 17 8353 154730
Campofilone FM 18 1916 156646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km SE of Ancona (100861 inhabitants)
66 Km N of Teramo (54892 inhabitants)
83 Km N of Montesilvano (53738 inhabitants)
90 Km NW of Pescara (121014 inhabitants)
97 Km SE 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 2.5 1990-02-28
14:11:41
43.236 13.88 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 110889
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-02-28 14:11:41 ± 0.442
Latitude 43.2360 ± 0.0166
Longitude 13.8800 ± 0.0326
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 110889

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) 3224.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 214
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00332
Epicentral distance of station farthest from the epicenter (degree) 0.01368
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 110889
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:43:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1990-02-28T14:12:29.30 10.0 undecidable manual SN 181 1.5207 -0.43 0.7
--.AZI.Z. 1990-02-28T14:12:24.60 10.0 undecidable manual SN 194 1.2876 0.49 0.8
--.ASS.Z. 1990-02-28T14:12:14.50 10.0 undecidable manual SG 259 0.9102 0.77 0.8
--.SDI.Z. 1990-02-28T14:12:09.80 10.0 undecidable manual PN 181 1.5207 0.42 1.9
--.ARV.Z. 1990-02-28T14:12:08.40 10.0 undecidable manual SG 291 0.7326 0.54 1
--.AZI.Z. 1990-02-28T14:12:05.50 10.0 undecidable manual PN! 194 1.2876 -0.64 0
--.CIO.Z. 1990-02-28T14:12:01.50 10.0 undecidable manual SG 265 0.5328 -0.67 1.4
--.RM8.Z. 1990-02-28T14:12:01.19 10.0 undecidable manual SG 240 0.555 -1.4 0.6
--.ASS.Z. 1990-02-28T14:12:01.50 10.0 undecidable manual PG 259 0.9102 1.36 1
--.AOI.Z. 1990-02-28T14:11:57.67 10.0 undecidable manual SG 326 0.3663 1.62 0.4
--.ALP.Z. 1990-02-28T14:11:57.76 10.0 undecidable manual SG! 206 0.4995 -3.05 0
--.ARV.Z. 1990-02-28T14:11:56.50 10.0 undecidable manual PG 291 0.7326 -0.26 2.9
--.CIO.Z. 1990-02-28T14:11:51.40 10.0 undecidable manual PG! 265 0.5328 -2.17 0
--.RM8.Z. 1990-02-28T14:11:50.93 10.0 undecidable manual PG! 240 0.555 -2.79 0
--.AOI.Z. 1990-02-28T14:11:49.20 10.0 undecidable manual PG 326 0.3663 -0.92 3.6
--.ALP.Z. 1990-02-28T14:11:49.10 10.0 undecidable manual PG! 206 0.4995 -3.59 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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