Earthquake with magnitude of Md 2.5 on date 17-04-1987 and time 00:15:45 (Italy) in region 7 km SW Muro Lucano (PZ)

A magnitude Md 2.5 earthquake occured in region: 7 km SW Muro Lucano (PZ), on

  • 16-04-1987 22:15:45 (UTC)
  • 17-04-1987 00:15:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7170, 15.4200 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
Muro Lucano PZ 7 5497 5497
San Gregorio Magno SA 7 4286 9783
Ricigliano SA 8 1144 10927
Castelgrande PZ 8 943 11870
Romagnano al Monte SA 10 368 12238
Buccino SA 10 5047 17285
Balvano PZ 11 1830 19115
Colliano SA 11 3638 22753
Bella PZ 11 5171 27924
Laviano SA 12 1438 29362
Palomonte SA 12 3985 33347
Valva SA 13 1643 34990
Santomenna SA 13 443 35433
Pescopagano PZ 14 1910 37343
Castelnuovo di Conza SA 14 619 37962
Salvitelle SA 14 560 38522
Sant'Andrea di Conza AV 15 1539 40061
Vietri di Potenza PZ 15 2832 42893
San Fele PZ 15 3004 45897
Baragiano PZ 15 2671 48568
Oliveto Citra SA 16 3802 52370
Rapone PZ 16 990 53360
Contursi Terme SA 17 3394 56754
Conza della Campania AV 17 1373 58127
Auletta SA 18 2336 60463
Caggiano SA 18 2765 63228
Ruvo del Monte PZ 18 1083 64311
Senerchia AV 18 842 65153
Calabritto AV 18 2391 67544
Pertosa SA 19 690 68234
Caposele AV 20 3483 71717
Savoia di Lucania PZ 20 1127 72844
Sicignano degli Alburni SA 20 3519 76363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Potenza (67122 inhabitants)
39 Km E of Battipaglia (50786 inhabitants)
56 Km E of Salerno (135261 inhabitants)
57 Km E of Avellino (54857 inhabitants)
60 Km E of Cava de' Tirreni (53659 inhabitants)
71 Km SE of Benevento (60091 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
75 Km E of Scafati (50787 inhabitants)
79 Km E of Castellammare di Stabia (66466 inhabitants)
84 Km S of Foggia (151991 inhabitants)
89 Km E of Torre del Greco (86275 inhabitants)
91 Km E of Portici (55274 inhabitants)
91 Km E of Ercolano (53709 inhabitants)
92 Km E of Acerra (59573 inhabitants)
93 Km SW of Andria (100440 inhabitants)
96 Km E of Afragola (65057 inhabitants)
96 Km W of Altamura (70396 inhabitants)
97 Km E of Casoria (77642 inhabitants)
98 Km SW of Barletta (94814 inhabitants)
99 Km E of Napoli (974074 inhabitants)
100 Km W of Matera (60436 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 2.5 1987-04-16
22:15:45
40.717 15.42 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 44989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-04-16 22:15:45 ± 0.264
Latitude 40.7170 ± 0.0166
Longitude 15.4200 ± 0.0269
Depth (km) 10 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 44989

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) 2926.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.01069
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 44989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:44:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CDM.Z. 1987-04-16T22:16:12.00 10.0 undecidable manual SG 60 0.7326 0.6 0.5
--.MSC.Z. 1987-04-16T22:16:10.20 10.0 undecidable manual PN 293 1.1877 1.94 0.1
--.SGG.Z. 1987-04-16T22:16:06.00 10.0 undecidable manual PN 310 1.0212 -0.06 1.2
--.MG9.Z. 1987-04-16T22:16:05.50 10.0 undecidable manual SG 169 0.5883 -1.16 0.2
--.SOR.Z. 1987-04-16T22:16:02.30 10.0 undecidable manual PG 260 0.8214 -0.13 1.4
--.CDM.Z. 1987-04-16T22:16:00.50 10.0 undecidable manual PG 60 0.7326 -0.11 1.6
--.TR9.Z. 1987-04-16T22:15:58.20 10.0 undecidable manual SG 336 0.3552 -1.09 0.1
--.MG9.Z. 1987-04-16T22:15:58.00 10.0 undecidable manual PG 169 0.5883 0.13 1.7
--.TR9.Z. 1987-04-16T22:15:53.30 10.0 undecidable manual PG 336 0.3552 -0.31 1.4
--.SGO.Z. 1987-04-16T22:15:53.50 10.0 undecidable manual SG 208 0.1665 -0.04 1
--.SGO.Z. 1987-04-16T22:15:50.50 10.0 undecidable manual PG 208 0.1665 0.2 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