Earthquake with magnitude of Md 3.5 on date 19-07-1985 and time 09:11:15 (Italy) in region 3 km W Porto Sant'Elpidio (FM)

A magnitude Md 3.5 earthquake occured in region: 3 km W Porto Sant'Elpidio (FM), on

  • 19-07-1985 07:11:15 (UTC)
  • 19-07-1985 09:11:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.254, 13.721 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
Porto Sant'Elpidio FM 3 26152 26152
Sant'Elpidio a Mare FM 4 17110 43262
Civitanova Marche MC 6 41983 85245
Monte Urano FM 7 8353 93598
Montegranaro FM 7 12990 106588
Porto San Giorgio FM 10 16121 122709
Montecosaro MC 10 7113 129822
Fermo FM 10 37655 167477
Monte San Giusto MC 10 8191 175668
Torre San Patrizio FM 12 2048 177716
Morrovalle MC 13 10195 187911
Monte San Pietrangeli FM 13 2458 190369
Rapagnano FM 15 2145 192514
Potenza Picena MC 15 15936 208450
Montelupone MC 16 3596 212046
Francavilla d'Ete FM 16 964 213010
Lapedona FM 17 1166 214176
Magliano di Tenna FM 17 1452 215628
Corridonia MC 17 15430 231058
Altidona FM 17 3390 234448
Ponzano di Fermo FM 18 1674 236122
Grottazzolina FM 19 3398 239520
Monterubbiano FM 19 2230 241750
Moresco FM 19 598 242348
Monte Giberto FM 19 801 243149
Pedaso FM 20 2800 245949

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SE of Ancona (100861 inhabitants)
66 Km N of Teramo (54892 inhabitants)
87 Km SE of Fano (60888 inhabitants)
89 Km E of Foligno (57155 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
97 Km NW of Pescara (121014 inhabitants)
98 Km SE of Pesaro (94582 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 3.5 1985-07-19
07:11:15
43.254 13.721 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 10299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-19 07:11:15 ± 0.262
Latitude 43.2540 ± 0.0139
Longitude 13.7210 ± 0.0242
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 10299

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) 2492.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.03424
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

Md:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 10299
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
--.BRT.Z. 1985-07-19T07:12:48.00 10.0 undecidable manual SN 131 0.0313 -1.06 0.2
--.BG1.Z. 1985-07-19T07:12:15.00 10.0 undecidable manual PN 312 0.0342 0.86 0.5
--.BRT.Z. 1985-07-19T07:12:10.00 10.0 undecidable manual PN 131 0.0313 0.36 0.8
--.DUI.Z. 1985-07-19T07:12:07.00 10.0 undecidable manual SN 160 0.0151 0.68 0.6
--.CTI.Z. 1985-07-19T07:12:06.00 10.0 undecidable manual PN 332 0.0283 0.84 0.6
--.TRI.Z. 1985-07-19T07:11:55.50 10.0 undecidable manual PN 0 0.022 -0.02 1.1
--.AQU.Z. 1985-07-19T07:11:48.00 10.0 undecidable manual SG 194 0.0083 0.46 0.5
--.DUI.Z. 1985-07-19T07:11:46.00 10.0 undecidable manual PN 160 0.0151 1.04 0.7
--.AS1.Z. 1985-07-19T07:11:44.00 10.0 undecidable manual SG 256 0.0072 0.55 0.7
--.SD1.Z. 1985-07-19T07:11:43.00 10.0 undecidable manual PN 177 0.0138 -0.05 1.5
--.CH1.Z. 1985-07-19T07:11:41.50 10.0 positive manual PN 286 0.012 1.27 1
--.AR1.Z. 1985-07-19T07:11:38.00 10.0 undecidable manual SG 293 0.0055 0.53 0.7
--.MNS.Z. 1985-07-19T07:11:37.00 10.0 undecidable manual PN 221 0.0104 -0.7 1.1
--.AQU.Z. 1985-07-19T07:11:35.50 10.0 undecidable manual PG 194 0.0083 1.38 0.4
--.ALP.Z. 1985-07-19T07:11:33.20 10.0 undecidable manual SG 193 0.0044 -0.12 0.9
--.AS1.Z. 1985-07-19T07:11:31.00 10.0 negative manual PG 256 0.0072 -0.75 2
--.AR1.Z. 1985-07-19T07:11:28.00 10.0 undecidable manual PG 293 0.0055 -0.3 1.4
--.CM2.Z. 1985-07-19T07:11:24.50 10.0 negative manual PG 261 0.0038 -0.28 2.8
--.ALP.Z. 1985-07-19T07:11:24.70 10.0 undecidable manual PG 193 0.0044 -1.21 1.1
--.AM1.Z. 1985-07-19T07:11:21.50 10.0 positive manual PG 343 0.0028 -1.11 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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