Earthquake with magnitude of Md 2.1 on date 17-07-1996 and time 19:50:14 (Italy) in region 3 km NW San Gregorio Magno (SA)

A magnitude Md 2.1 earthquake occured in region: 3 km NW San Gregorio Magno (SA), on

  • 17-07-1996 17:50:14 (UTC)
  • 17-07-1996 19:50:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6800, 15.3780 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
San Gregorio Magno SA 3 4286 4286
Buccino SA 5 5047 9333
Romagnano al Monte SA 8 368 9701
Palomonte SA 8 3985 13686
Colliano SA 9 3638 17324
Ricigliano SA 9 1144 18468
Valva SA 11 1643 20111
Balvano PZ 12 1830 21941
Contursi Terme SA 12 3394 25335
Oliveto Citra SA 12 3802 29137
Salvitelle SA 12 560 29697
Muro Lucano PZ 12 5497 35194
Castelgrande PZ 13 943 36137
Laviano SA 13 1438 37575
Auletta SA 14 2336 39911
Vietri di Potenza PZ 14 2832 42743
Sicignano degli Alburni SA 15 3519 46262
Santomenna SA 15 443 46705
Caggiano SA 16 2765 49470
Senerchia AV 16 842 50312
Castelnuovo di Conza SA 16 619 50931
Bella PZ 16 5171 56102
Pertosa SA 16 690 56792
Petina SA 16 1159 57951
Pescopagano PZ 18 1910 59861
Calabritto AV 18 2391 62252
Postiglione SA 18 2151 64403
Baragiano PZ 18 2671 67074
Sant'Andrea di Conza AV 18 1539 68613
Savoia di Lucania PZ 19 1127 69740
Serre SA 19 3995 73735
Caposele AV 20 3483 77218

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Battipaglia (50786 inhabitants)
36 Km W of Potenza (67122 inhabitants)
52 Km E of Salerno (135261 inhabitants)
56 Km E of Avellino (54857 inhabitants)
57 Km E of Cava de' Tirreni (53659 inhabitants)
71 Km SE of Benevento (60091 inhabitants)
72 Km E of Scafati (50787 inhabitants)
76 Km E of Castellammare di Stabia (66466 inhabitants)
79 Km SW of Cerignola (58396 inhabitants)
86 Km E of Torre del Greco (86275 inhabitants)
88 Km E of Portici (55274 inhabitants)
88 Km E of Ercolano (53709 inhabitants)
88 Km S of Foggia (151991 inhabitants)
90 Km E of Acerra (59573 inhabitants)
94 Km E of Afragola (65057 inhabitants)
95 Km E of Casoria (77642 inhabitants)
97 Km E of Napoli (974074 inhabitants)
98 Km E of Caserta (76326 inhabitants)
98 Km SW of Andria (100440 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 1996-07-17
17:50:14
40.68 15.378 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 249479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-07-17 17:50:14 ± 0.16
Latitude 40.6800 ± 0.0079
Longitude 15.3780 ± 0.0179
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 249479

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) 1748.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00308
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 249479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:56:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SL9.Z. 1996-07-17T17:50:27.83 10.0 undecidable manual SG 146 0.3441 -0.46 0.3
--.CA9.Z. 1996-07-17T17:50:23.00 10.0 undecidable manual SG 12 0.222 -0.62 0.2
--.SL9.Z. 1996-07-17T17:50:22.99 10.0 undecidable manual PG 146 0.3441 0.41 1
--.SGO.Z. 1996-07-17T17:50:20.50 10.0 undecidable manual SG 203 0.1221 -0.07 0.9
--.CA9.Z. 1996-07-17T17:50:20.34 10.0 undecidable manual PG 12 0.222 0.46 1.1
--.MU9.Z. 1996-07-17T17:50:19.90 10.0 undecidable manual SG 45 0.1221 0.27 0.7
--.MU9.Z. 1996-07-17T17:50:17.19 10.0 undecidable manual PG 45 0.1221 -0.38 1.4
--.SGO.Z. 1996-07-17T17:50:17.72 10.0 undecidable manual PG 203 0.1221 -0.14 2.2
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