Earthquake with magnitude of Md 2.3 on date 10-07-1985 and time 00:24:20 (Italy) in region 3 km E Balvano (PZ)

A magnitude Md 2.3 earthquake occured in region: 3 km E Balvano (PZ), on

  • 09-07-1985 22:24:20 (UTC)
  • 10-07-1985 00:24:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6510, 15.5480 at 7 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
Balvano PZ 3 1830 1830
Baragiano PZ 5 2671 4501
Ricigliano SA 6 1144 5645
Vietri di Potenza PZ 7 2832 8477
Picerno PZ 8 5985 14462
Savoia di Lucania PZ 9 1127 15589
Romagnano al Monte SA 10 368 15957
Salvitelle SA 10 560 16517
Caggiano SA 10 2765 19282
Sant'Angelo Le Fratte PZ 12 1429 20711
Bella PZ 12 5171 25882
San Gregorio Magno SA 13 4286 30168
Muro Lucano PZ 13 5497 35665
Ruoti PZ 13 3579 39244
Tito PZ 13 7332 46576
Satriano di Lucania PZ 14 2374 48950
Pertosa SA 15 690 49640
Auletta SA 15 2336 51976
Buccino SA 15 5047 57023
Polla SA 16 5279 62302
Avigliano PZ 17 11577 73879
Castelgrande PZ 18 943 74822
San Fele PZ 19 3004 77826
Petina SA 20 1159 78985

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Potenza (67122 inhabitants)
48 Km E of Battipaglia (50786 inhabitants)
67 Km E of Salerno (135261 inhabitants)
70 Km E of Avellino (54857 inhabitants)
71 Km E of Cava de' Tirreni (53659 inhabitants)
75 Km SW of Cerignola (58396 inhabitants)
84 Km SE of Benevento (60091 inhabitants)
87 Km E of Scafati (50787 inhabitants)
87 Km W of Altamura (70396 inhabitants)
89 Km W of Matera (60436 inhabitants)
90 Km SW of Andria (100440 inhabitants)
90 Km E of Castellammare di Stabia (66466 inhabitants)
90 Km S of Foggia (151991 inhabitants)
96 Km SW of Barletta (94814 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 2.3 1985-07-09
22:24:20
40.651 15.548 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 9949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-07-09 22:24:20 ± 0.331
Latitude 40.6510 ± 0.0147
Longitude 15.5480 ± 0.0268
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9949

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) 2791.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 274
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.01028
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 9949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SOR.Z. 1985-07-09T22:24:53.00 10.0 undecidable manual SG 265 0.9213 0.2 0.2
--.SGG.Z. 1985-07-09T22:24:42.70 10.0 undecidable manual PN 310 1.1433 -0.27 0.3
--.SOR.Z. 1985-07-09T22:24:39.30 10.0 undecidable manual PG 265 0.9213 0.09 1
--.TR9.Z. 1985-07-09T22:24:38.10 10.0 undecidable manual SG 328 0.4551 0.08 0.5
--.TR9.Z. 1985-07-09T22:24:30.70 10.0 positive manual PG 328 0.4551 0.02 2.8
--.SGO.Z. 1985-07-09T22:24:28.50 10.0 undecidable manual SG 243 0.1998 -0.34 0.1
--.SGO.Z. 1985-07-09T22:24:25.50 10.0 positive manual PG 243 0.1998 0.13 2.1
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