Earthquake with magnitude of Md 1.7 on date 02-05-1985 and time 02:13:22 (UTC) in region 1 km S Grottazzolina (FM)

A magnitude Md 1.7 earthquake occured in region: 1 km S Grottazzolina (FM), on

  • 02-05-1985 02:13:22 (UTC)
  • 02-05-1985 04:13:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0990, 13.6040 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
Grottazzolina FM 1 3398 3398
Monte Giberto FM 2 801 4199
Montottone FM 4 979 5178
Ponzano di Fermo FM 5 1674 6852
Magliano di Tenna FM 5 1452 8304
Monsampietro Morico FM 5 659 8963
Belmonte Piceno FM 5 646 9609
Petritoli FM 6 2335 11944
Monte Vidon Combatte FM 6 433 12377
Montegiorgio FM 6 6851 19228
Rapagnano FM 7 2145 21373
Ortezzano FM 7 774 22147
Monte Rinaldo FM 8 379 22526
Monteleone di Fermo FM 8 395 22921
Servigliano FM 9 2336 25257
Monterubbiano FM 9 2230 27487
Torre San Patrizio FM 10 2048 29535
Carassai AP 10 1100 30635
Monte Vidon Corrado FM 10 731 31366
Falerone FM 11 3337 34703
Montelparo FM 11 778 35481
Moresco FM 11 598 36079
Monte San Pietrangeli FM 11 2458 38537
Francavilla d'Ete FM 12 964 39501
Montappone FM 12 1682 41183
Fermo FM 12 37655 78838
Massa Fermana FM 12 963 79801
Montalto delle Marche AP 12 2122 81923
Santa Vittoria in Matenano FM 12 1330 83253
Montefiore dell'Aso AP 13 2123 85376
Monte Urano FM 13 8353 93729
Lapedona FM 14 1166 94895
Mogliano MC 14 4696 99591
Montedinove AP 14 488 100079
Cossignano AP 14 978 101057
Monte San Martino MC 15 765 101822
Montegranaro FM 15 12990 114812
Penna San Giovanni MC 15 1108 115920
Monte San Giusto MC 15 8191 124111
Altidona FM 16 3390 127501
Sant'Elpidio a Mare FM 16 17110 144611
Rotella AP 16 906 145517
Smerillo FM 17 365 145882
Massignano AP 17 1638 147520
Loro Piceno MC 17 2401 149921
Montefalcone Appennino FM 17 424 150345
Ripatransone AP 17 4309 154654
Sant'Angelo in Pontano MC 17 1436 156090
Campofilone FM 17 1916 158006
Petriolo MC 18 1998 160004
Force AP 18 1354 161358
Castignano AP 18 2796 164154
Corridonia MC 18 15430 179584
Porto San Giorgio FM 18 16121 195705
Pedaso FM 19 2800 198505
Offida AP 20 5058 203563
Ripe San Ginesio MC 20 852 204415

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km N of Teramo (54892 inhabitants)
58 Km S of Ancona (100861 inhabitants)
75 Km E of Foligno (57155 inhabitants)
79 Km NW of Montesilvano (53738 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
86 Km NW of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
95 Km SE of Fano (60888 inhabitants)
98 Km NE of Terni (111501 inhabitants)
99 Km E of Perugia (166134 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 1.7 1985-05-02
02:13:22
43.099 13.604 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-02 02:13:22 ± 1.698
Latitude 43.0990 ± 0.0639
Longitude 13.6040 ± 0.1336
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5729

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) 12966.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00623
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 5729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:10:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AS1.Z. 1985-05-02T02:13:38.00 10.0 undecidable manual PG 267 0.6882 1.87 0.1
--.ALP.Z. 1985-05-02T02:13:34.20 10.0 undecidable manual SG 184 0.3108 -0.11 0.8
--.CM2.Z. 1985-05-02T02:13:34.50 10.0 undecidable manual SG 285 0.3441 -0.77 0.6
--.CM2.Z. 1985-05-02T02:13:29.20 10.0 undecidable manual PG 285 0.3441 -0.51 2.3
--.ALP.Z. 1985-05-02T02:13:28.70 10.0 undecidable manual PG 184 0.3108 -0.46 1.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download