Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 17-07-1996 and time 12:39:59 (Italy) in region 2 km N San Gregorio Magno (SA)

A magnitude Md 2.4 earthquake occured in region: 2 km N San Gregorio Magno (SA), on

  • 17-07-1996 10:39:59 (UTC)
  • 17-07-1996 12:39:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6740, 15.3950 at 8 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.

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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 2 4286 4286
Buccino SA 5 5047 9333
Romagnano al Monte SA 6 368 9701
Ricigliano SA 8 1144 10845
Palomonte SA 9 3985 14830
Balvano PZ 10 1830 16660
Colliano SA 10 3638 20298
Salvitelle SA 11 560 20858
Muro Lucano PZ 12 5497 26355
Vietri di Potenza PZ 13 2832 29187
Valva SA 13 1643 30830
Castelgrande PZ 13 943 31773
Auletta SA 13 2336 34109
Contursi Terme SA 13 3394 37503
Oliveto Citra SA 14 3802 41305
Laviano SA 15 1438 42743
Caggiano SA 15 2765 45508
Sicignano degli Alburni SA 15 3519 49027
Pertosa SA 15 690 49717
Bella PZ 15 5171 54888
Petina SA 16 1159 56047
Santomenna SA 16 443 56490
Baragiano PZ 17 2671 59161
Castelnuovo di Conza SA 17 619 59780
Savoia di Lucania PZ 18 1127 60907
Senerchia AV 18 842 61749
Pescopagano PZ 18 1910 63659
Postiglione SA 19 2151 65810
Sant'Andrea di Conza AV 19 1539 67349
Calabritto AV 19 2391 69740
Polla SA 20 5279 75019
Sant'Angelo Le Fratte PZ 20 1429 76448

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Potenza (67122 inhabitants)
35 Km E of Battipaglia (50786 inhabitants)
54 Km E of Salerno (135261 inhabitants)
57 Km E of Avellino (54857 inhabitants)
58 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SE of Benevento (60091 inhabitants)
74 Km E of Scafati (50787 inhabitants)
77 Km E of Castellammare di Stabia (66466 inhabitants)
79 Km SW of Cerignola (58396 inhabitants)
88 Km E of Torre del Greco (86275 inhabitants)
89 Km S of Foggia (151991 inhabitants)
89 Km E of Portici (55274 inhabitants)
90 Km E of Ercolano (53709 inhabitants)
91 Km E of Acerra (59573 inhabitants)
95 Km E of Afragola (65057 inhabitants)
97 Km E of Casoria (77642 inhabitants)
98 Km SW of Andria (100440 inhabitants)
98 Km E of Napoli (974074 inhabitants)
99 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 2.4 1996-07-17
10:39:59		 40.674 15.395 9 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 249349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-07-17 10:39:59 ± 0.128
Latitude 40.6740 ± 0.0073
Longitude 15.3950 ± 0.0131
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 249349

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) 1376.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00494
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 249349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:55:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SL9.Z. 1996-07-17T10:40:12.10 10.0 undecidable manual SG 147 0.333 -0.08 0.5
--.CI9.Z. 1996-07-17T10:40:12.15 10.0 undecidable manual SG 303 0.333 0.03 0.5
--.MGR.Z. 1996-07-17T10:40:10.28 10.0 undecidable manual PG 167 0.5439 -0.27 0.7
--.CA9.Z. 1996-07-17T10:40:07.45 10.0 undecidable manual SG 8 0.222 -0.92 0
--.CI9.Z. 1996-07-17T10:40:06.39 10.0 undecidable manual PG 303 0.333 -0.22 1
--.SL9.Z. 1996-07-17T10:40:06.79 10.0 undecidable manual PG 147 0.333 0.19 1.2
--.CA9.Z. 1996-07-17T10:40:05.17 10.0 positive manual PG 8 0.222 0.72 0.6
--.SGO.Z. 1996-07-17T10:40:04.69 10.0 undecidable manual SG 210 0.1221 -0.29 0.4
--.MU9.Z. 1996-07-17T10:40:03.90 10.0 undecidable manual SG 39 0.111 -0.45 0.3
--.MU9.Z. 1996-07-17T10:40:02.80 10.0 positive manual PG 39 0.111 -0.05 2.9
--.SGO.Z. 1996-07-17T10:40:02.57 10.0 positive manual PG 210 0.1221 0.07 2.9
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