Earthquake with magnitude of Md 2.4 on date 02-06-1985 and time 14:44:18 (Italy) in region 4 km NW Santo Stefano di Sessanio (AQ)

A magnitude Md 2.4 earthquake occured in region: 4 km NW Santo Stefano di Sessanio (AQ), on

  • 02-06-1985 12:44:18 (UTC)
  • 02-06-1985 14:44:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3610, 13.6110 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
Santo Stefano di Sessanio AQ 4 111 111
Barisciano AQ 4 1828 1939
Poggio Picenze AQ 7 1136 3075
Calascio AQ 8 137 3212
Castelvecchio Calvisio AQ 9 153 3365
San Pio delle Camere AQ 9 661 4026
San Demetrio ne' Vestini AQ 9 1854 5880
Prata d'Ansidonia AQ 9 496 6376
Carapelle Calvisio AQ 9 87 6463
Castel del Monte AQ 10 413 6876
Sant'Eusanio Forconese AQ 11 394 7270
Villa Sant'Angelo AQ 12 424 7694
Fagnano Alto AQ 12 418 8112
Fossa AQ 13 721 8833
Ofena AQ 13 506 9339
Caporciano AQ 13 230 9569
Ocre AQ 14 1167 10736
Villa Santa Lucia degli Abruzzi AQ 14 123 10859
Fontecchio AQ 14 369 11228
Isola del Gran Sasso d'Italia TE 16 4773 16001
Castelli TE 17 1159 17160
Capestrano AQ 17 884 18044
Navelli AQ 17 554 18598
Rocca di Cambio AQ 17 533 19131
L'Aquila AQ 17 69753 88884
Tione degli Abruzzi AQ 18 310 89194
Rocca di Mezzo AQ 19 1526 90720
Pietracamela TE 19 271 90991
Farindola PE 20 1518 92509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of L'Aquila (69753 inhabitants)
34 Km S of Teramo (54892 inhabitants)
46 Km W of Chieti (51815 inhabitants)
48 Km W of Montesilvano (53738 inhabitants)
51 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
82 Km E of Terni (111501 inhabitants)
83 Km E of Guidonia Montecelio (88673 inhabitants)
99 Km SE of Foligno (57155 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 1985-06-02
12:44:18
42.361 13.611 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 7849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-02 12:44:18 ± 0.634
Latitude 42.3610 ± 0.0304
Longitude 13.6110 ± 0.0390
Depth (km) 5 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 7849

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) 4657.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00890
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 7849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:11:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SD1.Z. 1985-06-02T12:44:44.00 10.0 undecidable manual SG 167 0.666 1.07 0.1
--.AS1.Z. 1985-06-02T12:44:39.00 10.0 undecidable manual PG 315 0.9879 0.33 1.2
--.PO9.Z. 1985-06-02T12:44:38.50 10.0 undecidable manual SG 293 0.5328 -0.21 0.8
--.SD1.Z. 1985-06-02T12:44:32.00 10.0 undecidable manual PG 167 0.666 -0.65 0.7
--.PO9.Z. 1985-06-02T12:44:30.00 10.0 undecidable manual PG 293 0.5328 -0.21 1.9
--.AQU.Z. 1985-06-02T12:44:24.50 10.0 undecidable manual SG 267 0.1554 -0.3 0.7
--.AQU.Z. 1985-06-02T12:44:22.50 10.0 undecidable manual PG 267 0.1554 0.31 1.7
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