Earthquake with magnitude of Md 3.0 on date 19-07-1985 and time 10:03:55 (Italy) in region Costa Marchigiana Fermana (Fermo)

A magnitude Md 3.0 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on

  • 19-07-1985 08:03:55 (UTC)
  • 19-07-1985 10:03:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.24, 13.87 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 9 26152 42273
Civitanova Marche MC 14 41983 84256
Sant'Elpidio a Mare FM 15 17110 101366
Fermo FM 15 37655 139021
Pedaso FM 16 2800 141821
Altidona FM 16 3390 145211
Lapedona FM 17 1166 146377
Monte Urano FM 17 8353 154730
Campofilone FM 18 1916 156646
Montegranaro FM 19 12990 169636

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km SE of Ancona (100861 inhabitants)
66 Km N of Teramo (54892 inhabitants)
84 Km N of Montesilvano (53738 inhabitants)
91 Km NW of Pescara (121014 inhabitants)
96 Km SE of Fano (60888 inhabitants)
100 Km E of Foligno (57155 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 3.0 1985-07-19
08:03:55
43.24 13.87 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 10309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-19 08:03:55 ± 0.638
Latitude 43.24 ± 0.02
Longitude 13.87 ± 0.05
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10309

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) 4804.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 238
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.01303
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 10309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PO9.Z. 1985-07-19T08:04:31.00 10.0 undecidable manual SG 225 0.0085 1.71 0
--.CH1.Z. 1985-07-19T08:04:23.00 10.0 undecidable manual PN 285 0.013 0.41 0.6
--.AR1.Z. 1985-07-19T08:04:21.50 10.0 undecidable manual SG 291 0.0065 -0.44 0.5
--.CM2.Z. 1985-07-19T08:04:15.50 10.0 undecidable manual SG 264 0.0048 -0.36 0.6
--.PO9.Z. 1985-07-19T08:04:15.00 10.0 positive manual PG 225 0.0085 -0.16 1.9
--.ALP.Z. 1985-07-19T08:04:15.70 10.0 undecidable manual SG 205 0.0045 0.57 0.5
--.AM1.Z. 1985-07-19T08:04:11.80 10.0 undecidable manual SG 327 0.0032 1.71 0
--.AR1.Z. 1985-07-19T08:04:10.50 10.0 undecidable manual PG 291 0.0065 -0.42 0.9
--.ALP.Z. 1985-07-19T08:04:07.00 10.0 negative manual PG 205 0.0045 0.01 2.3
--.CM2.Z. 1985-07-19T08:04:06.70 10.0 negative manual PG 264 0.0048 -0.71 1.3
--.AM1.Z. 1985-07-19T08:04:04.00 10.0 positive manual PG 327 0.0032 -0.08 2.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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