Earthquake with magnitude of Md 2.1 on date 08-06-1986 and time 03:23:43 (Italy) in region 4 km SW Castelgrande (PZ)

A magnitude Md 2.1 earthquake occured in region: 4 km SW Castelgrande (PZ), on

  • 08-06-1986 01:23:43 (UTC)
  • 08-06-1986 03:23:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7680, 15.3950 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
Castelgrande PZ 4 943 943
Santomenna SA 8 443 1386
Muro Lucano PZ 8 5497 6883
Pescopagano PZ 8 1910 8793
Laviano SA 8 1438 10231
Castelnuovo di Conza SA 8 619 10850
Sant'Andrea di Conza AV 9 1539 12389
Colliano SA 10 3638 16027
Valva SA 11 1643 17670
Conza della Campania AV 11 1373 19043
Bella PZ 12 5171 24214
San Gregorio Magno SA 12 4286 28500
Rapone PZ 12 990 29490
Ricigliano SA 13 1144 30634
San Fele PZ 14 3004 33638
Cairano AV 15 326 33964
Palomonte SA 15 3985 37949
Calabritto AV 15 2391 40340
Teora AV 15 1537 41877
Caposele AV 15 3483 45360
Calitri AV 15 4666 50026
Buccino SA 15 5047 55073
Ruvo del Monte PZ 15 1083 56156
Oliveto Citra SA 16 3802 59958
Romagnano al Monte SA 16 368 60326
Senerchia AV 16 842 61168
Balvano PZ 16 1830 62998
Contursi Terme SA 18 3394 66392
Andretta AV 19 1927 68319
Baragiano PZ 20 2671 70990

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Potenza (67122 inhabitants)
39 Km E of Battipaglia (50786 inhabitants)
53 Km E of Avellino (54857 inhabitants)
54 Km E of Salerno (135261 inhabitants)
58 Km E of Cava de' Tirreni (53659 inhabitants)
65 Km SE of Benevento (60091 inhabitants)
70 Km SW of Cerignola (58396 inhabitants)
73 Km E of Scafati (50787 inhabitants)
77 Km E of Castellammare di Stabia (66466 inhabitants)
78 Km S of Foggia (151991 inhabitants)
87 Km E of Torre del Greco (86275 inhabitants)
88 Km E of Portici (55274 inhabitants)
88 Km E of Acerra (59573 inhabitants)
88 Km E of Ercolano (53709 inhabitants)
91 Km SW of Andria (100440 inhabitants)
93 Km E of Afragola (65057 inhabitants)
94 Km E of Casoria (77642 inhabitants)
96 Km E of Caserta (76326 inhabitants)
96 Km SW of Barletta (94814 inhabitants)
97 Km E of Napoli (974074 inhabitants)
98 Km W of Altamura (70396 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 2.1
M 2.8
1986-06-08
01:23:43
40.768 15.395 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 28929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-06-08 01:23:43 ± 0.432
Latitude 40.7680 ± 0.0196
Longitude 15.3950 ± 0.0671
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 28929

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) 6055.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00882
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 28929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:30:20

M:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 28929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGG.Z. 1986-06-08T01:24:03.80 10.0 undecidable manual PG 309 0.9768 0.93 0.8
--.MG9.Z. 1986-06-08T01:23:58.00 10.0 undecidable manual PG 168 0.6327 1.48 0.6
--.FG4.Z. 1986-06-08T01:23:57.50 10.0 undecidable manual SG 14 0.3663 0.02 0.8
--.SGO.Z. 1986-06-08T01:23:52.50 10.0 undecidable manual SG 197 0.2109 0.04 0.8
--.FG4.Z. 1986-06-08T01:23:51.00 10.0 undecidable manual PG 14 0.3663 -0.58 1.7
--.TR9.Z. 1986-06-08T01:23:50.10 10.0 undecidable manual PG 335 0.2997 -0.18 1.9
--.SGO.Z. 1986-06-08T01:23:47.00 10.0 undecidable manual PG 197 0.2109 -1.68 0.5
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