Earthquake with magnitude of Md 4.9 on date 03-07-1987 and time 10:21:58 (UTC) in region Costa Marchigiana Fermana (Fermo)

A magnitude Md 4.9 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on

  • 03-07-1987 10:21:58 (UTC)
  • 03-07-1987 12:21:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2, 13.85 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 4 16121 16121
Porto Sant'Elpidio FM 10 26152 42273
Altidona FM 11 3390 45663
Pedaso FM 11 2800 48463
Fermo FM 11 37655 86118
Lapedona FM 11 1166 87284
Campofilone FM 13 1916 89200
Sant'Elpidio a Mare FM 14 17110 106310
Monte Urano FM 14 8353 114663
Moresco FM 15 598 115261
Civitanova Marche MC 16 41983 157244
Monterubbiano FM 16 2230 159474
Massignano AP 17 1638 161112
Montegranaro FM 18 12990 174102
Montefiore dell'Aso AP 18 2123 176225
Ponzano di Fermo FM 19 1674 177899
Cupra Marittima AP 19 5398 183297
Torre San Patrizio FM 20 2048 185345

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km SE of Ancona (100861 inhabitants)
61 Km N of Teramo (54892 inhabitants)
80 Km NW of Montesilvano (53738 inhabitants)
87 Km NW of Pescara (121014 inhabitants)
97 Km E of Foligno (57155 inhabitants)
98 Km N of Chieti (51815 inhabitants)
98 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
Rev 1000 Md 4.9
ML-VAX 4.2
1987-07-03
10:21:58
43.2 13.85 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 49969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-07-03 10:21:58 ± 0.103
Latitude 43.20 ± 0.01
Longitude 13.85 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 49969

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) 1539.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 67
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00348
Epicentral distance of station farthest from the epicenter (degree) 0.05569
Number of stations at which the event was observed 64
Number of stations from which data was used for origin computation 64
Magnitudes information

Md:4.9

Field Value
Value 4.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 49969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:48:41

ML:4.2

Field Value
Value 4.2
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 49969
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
--.PZI.Z. 1987-07-03T10:23:30.70 10.0 undecidable manual PN 171 0.0557 0.17 1
--.SO9.Z. 1987-07-03T10:23:19.10 10.0 undecidable manual PN 161 0.0485 -0.45 0.9
--.MNO.Z. 1987-07-03T10:23:17.14 10.0 undecidable manual PN 172 0.0477 -1.11 0.4
--.ERC.Z. 1987-07-03T10:23:17.89 10.0 undecidable manual PN 190 0.0472 0.39 1
--.GIB.Z. 1987-07-03T10:23:16.48 10.0 undecidable manual PN 178 0.0468 -0.48 0.9
--.ATN.Z. 1987-07-03T10:23:15.45 10.0 undecidable manual PN 165 0.0466 -1.18 0.4
--.DOI.Z. 1987-07-03T10:23:14.40 10.0 undecidable manual PN 287 0.0444 0.82 0.7
--.SE2.Z. 1987-07-03T10:23:11.00 10.0 undecidable manual PN 151 0.0424 0.81 0.7
--.ORO.Z. 1987-07-03T10:23:11.33 10.0 undecidable manual PN 302 0.0435 -0.62 0.9
--.GRI.Z. 1987-07-03T10:23:10.65 10.0 undecidable manual PN 155 0.043 -0.5 1
--.PVY.Z. 1987-07-03T10:23:09.00 10.0 undecidable manual PN 95 0.0406 1.42 0.3
--.VAI.Z. 1987-07-03T10:23:07.11 10.0 undecidable manual PN 308 0.0404 -0.08 1.2
--.CZI.Z. 1987-07-03T10:23:05.00 10.0 undecidable manual PN 155 0.0389 0.05 1.2
--.ROI.Z. 1987-07-03T10:23:03.50 10.0 undecidable manual PN 149 0.0374 0.94 1.3
--.ACI.Z. 1987-07-03T10:23:03.00 10.0 undecidable manual PN 154 0.038 -0.57 1
--.CKI.Z. 1987-07-03T10:23:03.97 10.0 undecidable manual PN 288 0.0377 0.84 0.7
--.ULC.Z. 1987-07-03T10:23:02.50 10.0 undecidable manual PN 105 0.0374 -0.1 1.2
--.TS9.Z. 1987-07-03T10:23:01.23 10.0 undecidable manual PN 151 0.0359 0.87 0.7
--.TTG.Z. 1987-07-03T10:23:01.00 10.0 undecidable manual PN 98 0.0363 0.05 1.3
--.CSI.Z. 1987-07-03T10:22:59.50 10.0 undecidable manual PN 150 0.0348 0.88 1.5
--.MDI.Z. 1987-07-03T10:22:59.34 10.0 undecidable manual PN 312 0.0352 0.07 1.3
--.NKY.Z. 1987-07-03T10:22:58.20 10.0 undecidable manual PN 93 0.034 0.79 0.8
--.MMN.Z. 1987-07-03T10:22:57.50 10.0 undecidable manual PN 153 0.033 1.59 0.2
--.BDV.Z. 1987-07-03T10:22:57.00 10.0 undecidable manual PN 102 0.0338 -0.19 1.3
--.ORI.Z. 1987-07-03T10:22:56.68 10.0 undecidable manual PN 147 0.0332 0.48 1.1
--.CO9.Z. 1987-07-03T10:22:55.88 10.0 undecidable manual PN 297 0.0317 1.9 0.1
--.FOI.Z. 1987-07-03T10:22:53.60 10.0 undecidable manual PN 347 0.0312 -0.18 1.4
--.BRY.Z. 1987-07-03T10:22:53.00 10.0 undecidable manual PN 93 0.0309 0.27 1.3
--.PE1.Z. 1987-07-03T10:22:53.40 10.0 undecidable manual PN 130 0.0321 -1.13 0.5
--.HCY.Z. 1987-07-03T10:22:53.00 10.0 undecidable manual PN 100 0.0313 -0.38 1.2
--.SAL.Z. 1987-07-03T10:22:52.43 10.0 undecidable manual PN 316 0.0304 0.52 1.1
--.MGR.Z. 1987-07-03T10:22:50.86 10.0 undecidable manual PN 156 0.0298 -0.1 1.4
--.RBL.Z. 1987-07-03T10:22:49.43 10.0 undecidable manual PN 356 0.0292 -0.65 1
--.BAI.Z. 1987-07-03T10:22:48.00 10.0 undecidable manual PN 131 0.0275 0.41 1.3
--.LJU.Z. 1987-07-03T10:22:45.20 10.0 undecidable manual PN 9 0.0259 0.09 1.5
--.SGO.Z. 1987-07-03T10:22:44.49 10.0 undecidable manual PN 156 0.0256 -0.14 1.5
--.VOY.Z. 1987-07-03T10:22:43.80 10.0 undecidable manual PN 0 0.0255 -0.58 1.2
--.CDM.Z. 1987-07-03T10:22:43.00 10.0 undecidable manual PN 138 0.0249 -0.62 1.1
--.SOR.Z. 1987-07-03T10:22:41.90 10.0 undecidable manual PN 171 0.0237 0.19 1.5
--.PS9.Z. 1987-07-03T10:22:40.39 10.0 undecidable manual PN 283 0.0222 1.02 0.7
--.MME.Z. 1987-07-03T10:22:40.00 10.0 undecidable manual PN 294 0.0223 0.41 1.3
--.CEY.Z. 1987-07-03T10:22:40.30 10.0 undecidable manual PN 8 0.0232 -0.52 1.2
--.BDI.Z. 1987-07-03T10:22:40.75 10.0 undecidable manual PN 291 0.0225 0.85 0.9
--.BSS.Z. 1987-07-03T10:22:40.30 10.0 undecidable manual PN 162 0.0227 -0.15 1.5
--.TRI.Z. 1987-07-03T10:22:39.70 10.0 undecidable manual PN 358 0.0226 -0.89 0.8
--.TR9.Z. 1987-07-03T10:22:38.70 10.0 undecidable manual PN 153 0.0214 0.53 1.2
--.MAO.Z. 1987-07-03T10:22:35.42 10.0 undecidable manual PN 249 0.0191 0.77 1
--.MS1.Z. 1987-07-03T10:22:35.00 10.0 undecidable manual PN 133 0.0193 0.05 1.5
--.MSC.Z. 1987-07-03T10:22:33.20 10.0 undecidable manual PN 177 0.0181 0.16 1.5
--.SGG.Z. 1987-07-03T10:22:31.00 10.0 undecidable manual PN 167 0.0166 0.1 1.5
--.HVA.Z. 1987-07-03T10:22:30.30 10.0 positive manual PN 89 0.017 -1.19 1
--.PGD.Z. 1987-07-03T10:22:29.86 10.0 undecidable manual PN 294 0.0151 1.25 0.4
--.SS9.Z. 1987-07-03T10:22:29.33 10.0 undecidable manual PN 297 0.0145 1.64 0.2
--.ASS.Z. 1987-07-03T10:22:29.77 10.0 undecidable manual SG 261 0.0079 -0.11 0.6
--.RDP.Z. 1987-07-03T10:22:29.20 10.0 undecidable manual PN 210 0.0149 0.89 0.8
--.RMP.Z. 1987-07-03T10:22:28.37 10.0 undecidable manual PN 211 0.0146 0.61 1.1
--.FG2.Z. 1987-07-03T10:22:27.67 10.0 undecidable manual PN 144 0.0152 -1.07 0.6
--.DUI.Z. 1987-07-03T10:22:27.72 10.0 undecidable manual PN 163 0.0144 0.24 1.4
--.ARV.Z. 1987-07-03T10:22:24.51 10.0 undecidable manual SG 294 0.0065 -0.24 0.6
--.MNS.Z. 1987-07-03T10:22:20.42 10.0 undecidable manual PN 226 0.0106 -1.27 0.4
--.ALP.Z. 1987-07-03T10:22:16.68 10.0 undecidable manual SG 206 0.0041 0.24 0.9
--.ASS.Z. 1987-07-03T10:22:15.46 10.0 undecidable manual PG 261 0.0079 -1.22 0.5
--.AQU.Z. 1987-07-03T10:22:15.30 10.0 undecidable manual PG 201 0.0081 -1.77 0.1
--.ARV.Z. 1987-07-03T10:22:12.96 10.0 undecidable manual PG 294 0.0065 -0.76 1
--.CM8.Z. 1987-07-03T10:22:09.90 10.0 negative manual PG 269 0.0046 -0.74 2
--.ALP.Z. 1987-07-03T10:22:07.99 10.0 negative manual PG 206 0.0041 -0.93 1.5
--.AM8.Z. 1987-07-03T10:22:06.83 10.0 undecidable manual PG 332 0.0035 -0.67 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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