Earthquake with magnitude of Md 2.0 on date 15-10-1990 and time 20:21:13 (Italy) in region 2 km E Montalto delle Marche (AP)

A magnitude Md 2.0 earthquake occured in region: 2 km E Montalto delle Marche (AP), on

  • 15-10-1990 19:21:13 (UTC)
  • 15-10-1990 20:21:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9870, 13.6350 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
Montalto delle Marche AP 2 2122 2122
Montedinove AP 4 488 2610
Cossignano AP 4 978 3588
Castignano AP 5 2796 6384
Ortezzano FM 6 774 7158
Monte Rinaldo FM 6 379 7537
Carassai AP 7 1100 8637
Rotella AP 7 906 9543
Monte Vidon Combatte FM 7 433 9976
Offida AP 7 5058 15034
Montelparo FM 9 778 15812
Petritoli FM 9 2335 18147
Montottone FM 9 979 19126
Appignano del Tronto AP 10 1785 20911
Ripatransone AP 11 4309 25220
Monteleone di Fermo FM 11 395 25615
Monsampietro Morico FM 11 659 26274
Monte Giberto FM 12 801 27075
Santa Vittoria in Matenano FM 12 1330 28405
Force AP 12 1354 29759
Montefiore dell'Aso AP 12 2123 31882
Castorano AP 12 2380 34262
Monterubbiano FM 13 2230 36492
Ponzano di Fermo FM 13 1674 38166
Moresco FM 14 598 38764
Belmonte Piceno FM 14 646 39410
Montefalcone Appennino FM 14 424 39834
Grottazzolina FM 14 3398 43232
Castel di Lama AP 15 8634 51866
Massignano AP 15 1638 53504
Colli del Tronto AP 15 3668 57172
Acquaviva Picena AP 15 3831 61003
Ascoli Piceno AP 16 49407 110410
Smerillo FM 16 365 110775
Servigliano FM 16 2336 113111
Spinetoli AP 16 7215 120326
Monsampolo del Tronto AP 16 4611 124937
Venarotta AP 16 2066 127003
Monte San Martino MC 17 765 127768
Palmiano AP 17 196 127964
Magliano di Tenna FM 17 1452 129416
Maltignano AP 18 2401 131817
Lapedona FM 18 1166 132983
Montegiorgio FM 18 6851 139834
Monteprandone AP 18 12655 152489
Campofilone FM 18 1916 154405
Comunanza AP 18 3166 157571
Folignano AP 18 9241 166812
Altidona FM 19 3390 170202
Ancarano TE 19 1857 172059
Penna San Giovanni MC 19 1108 173167
Falerone FM 19 3337 176504
Cupra Marittima AP 19 5398 181902
Roccafluvione AP 19 2010 183912
Grottammare AP 19 16006 199918
Sant'Egidio alla Vibrata TE 19 9811 209729
Monte Vidon Corrado FM 19 731 210460
Rapagnano FM 20 2145 212605

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Teramo (54892 inhabitants)
67 Km NW of Montesilvano (53738 inhabitants)
71 Km S of Ancona (100861 inhabitants)
73 Km N of L'Aquila (69753 inhabitants)
75 Km NW of Pescara (121014 inhabitants)
76 Km E of Foligno (57155 inhabitants)
83 Km NW of Chieti (51815 inhabitants)
93 Km NE of Terni (111501 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 2.0 1990-10-15
19:21:13
42.987 13.635 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 128649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-10-15 19:21:13 ± 0.405
Latitude 42.9870 ± 0.0144
Longitude 13.6350 ± 0.0413
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 128649

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) 3717.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00648
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 128649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:59:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ASS.Z. 1990-10-15T19:21:40.00 10.0 undecidable manual SG 276 0.7215 1.4 0.1
--.AOI.Z. 1990-10-15T19:21:36.10 10.0 undecidable manual SG! 357 0.555 2.63 0
--.CIO.Z. 1990-10-15T19:21:28.20 10.0 undecidable manual SG 300 0.4107 -0.52 0.7
--.ASS.Z. 1990-10-15T19:21:28.00 10.0 undecidable manual PG 276 0.7215 0 1.3
--.SSO.Z. 1990-10-15T19:21:28.60 10.0 undecidable manual SG! 332 0.3441 2.13 0
--.AOI.Z. 1990-10-15T19:21:25.30 10.0 undecidable manual PG 357 0.555 0.25 1.4
--.ALP.Z. 1990-10-15T19:21:22.40 10.0 undecidable manual SG 193 0.2109 0.13 1
--.SSO.Z. 1990-10-15T19:21:21.70 10.0 undecidable manual PG 332 0.3441 0.7 1
--.CIO.Z. 1990-10-15T19:21:21.30 10.0 undecidable manual PG 300 0.4107 -1 1.1
--.ALP.Z. 1990-10-15T19:21:18.40 10.0 undecidable manual PG 193 0.2109 -0.17 1.6
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