Earthquake with magnitude of Md 2.4 on date 06-09-1986 and time 19:32:18 (Italy) in region 1 km W Sant'Angelo in Pontano (MC)

A magnitude Md 2.4 earthquake occured in region: 1 km W Sant'Angelo in Pontano (MC), on

  • 06-09-1986 17:32:18 (UTC)
  • 06-09-1986 19:32:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0950, 13.3830 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
Sant'Angelo in Pontano MC 1 1436 1436
Gualdo MC 5 815 2251
Penna San Giovanni MC 5 1108 3359
San Ginesio MC 6 3498 6857
Ripe San Ginesio MC 6 852 7709
Falerone FM 8 3337 11046
Colmurano MC 8 1263 12309
Monte San Martino MC 8 765 13074
Montappone FM 9 1682 14756
Loro Piceno MC 9 2401 17157
Monte Vidon Corrado FM 9 731 17888
Servigliano FM 9 2336 20224
Sarnano MC 9 3264 23488
Massa Fermana FM 10 963 24451
Cessapalombo MC 10 512 24963
Camporotondo di Fiastrone MC 10 563 25526
Smerillo FM 11 365 25891
Urbisaglia MC 12 2628 28519
Santa Vittoria in Matenano FM 12 1330 29849
Belmonte Piceno FM 13 646 30495
Amandola FM 13 3629 34124
Monteleone di Fermo FM 13 395 34519
Mogliano MC 13 4696 39215
Montegiorgio FM 13 6851 46066
Montefalcone Appennino FM 13 424 46490
Caldarola MC 14 1823 48313
Belforte del Chienti MC 14 1886 50199
Monsampietro Morico FM 14 659 50858
Tolentino MC 15 20069 70927
Montelparo FM 15 778 71705
Comunanza AP 15 3166 74871
Petriolo MC 16 1998 76869
Francavilla d'Ete FM 17 964 77833
Bolognola MC 17 142 77975
Montottone FM 17 979 78954
Force AP 17 1354 80308
Montefortino FM 17 1178 81486
Magliano di Tenna FM 17 1452 82938
Monte Rinaldo FM 18 379 83317
Grottazzolina FM 18 3398 86715
Serrapetrona MC 18 966 87681
Acquacanina MC 18 121 87802
Rapagnano FM 19 2145 89947
Monte San Pietrangeli FM 19 2458 92405
Pollenza MC 20 6618 99023
Fiastra MC 20 559 99582
Ortezzano FM 20 774 100356
Corridonia MC 20 15430 115786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NW of Teramo (54892 inhabitants)
57 Km E of Foligno (57155 inhabitants)
59 Km S of Ancona (100861 inhabitants)
81 Km E of Perugia (166134 inhabitants)
83 Km N of L'Aquila (69753 inhabitants)
84 Km NE of Terni (111501 inhabitants)
88 Km SE of Fano (60888 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 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 2.4 1986-09-06
17:32:18
43.095 13.383 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 33719
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-06 17:32:18 ± 0.78
Latitude 43.0950 ± 0.0219
Longitude 13.3830 ± 0.0480
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 33719

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) 4600.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 304
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00461
Epicentral distance of station farthest from the epicenter (degree) 0.01044
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 33719
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CRE.Z. 1986-09-06T17:32:42.00 10.0 undecidable manual PN 296 1.1544 0.79 0.5
--.ARV.Z. 1986-09-06T17:32:38.00 10.0 undecidable manual SG 321 0.5106 0.23 1.1
--.ASS.Z. 1986-09-06T17:32:38.50 10.0 undecidable manual SG 266 0.5328 0.09 0.8
--.ARV.Z. 1986-09-06T17:32:29.00 10.0 undecidable manual PG 321 0.5106 -0.57 1.1
--.ASS.Z. 1986-09-06T17:32:29.50 10.0 undecidable manual PG 266 0.5328 -0.44 1.4
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