Earthquake with magnitude of Md 2.5 on date 17-07-1996 and time 12:04:55 (Italy) in region 2 km NW San Gregorio Magno (SA)

A magnitude Md 2.5 earthquake occured in region: 2 km NW San Gregorio Magno (SA), on

  • 17-07-1996 10:04:55 (UTC)
  • 17-07-1996 12:04:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6690, 15.3810 at 13 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 2 4286 4286
Buccino SA 4 5047 9333
Romagnano al Monte SA 6 368 9701
Palomonte SA 8 3985 13686
Ricigliano SA 9 1144 14830
Colliano SA 10 3638 18468
Salvitelle SA 11 560 19028
Balvano PZ 11 1830 20858
Contursi Terme SA 12 3394 24252
Valva SA 12 1643 25895
Oliveto Citra SA 12 3802 29697
Auletta SA 13 2336 32033
Muro Lucano PZ 13 5497 37530
Vietri di Potenza PZ 13 2832 40362
Sicignano degli Alburni SA 14 3519 43881
Castelgrande PZ 14 943 44824
Laviano SA 14 1438 46262
Caggiano SA 15 2765 49027
Pertosa SA 15 690 49717
Petina SA 15 1159 50876
Santomenna SA 16 443 51319
Bella PZ 17 5171 56490
Senerchia AV 17 842 57332
Castelnuovo di Conza SA 17 619 57951
Postiglione SA 18 2151 60102
Baragiano PZ 18 2671 62773
Savoia di Lucania PZ 18 1127 63900
Pescopagano PZ 19 1910 65810
Calabritto AV 19 2391 68201
Serre SA 19 3995 72196
Polla SA 20 5279 77475
Sant'Andrea di Conza AV 20 1539 79014

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 SE of Avellino (54857 inhabitants)
57 Km E of Cava de' Tirreni (53659 inhabitants)
72 Km SE of Benevento (60091 inhabitants)
73 Km E of Scafati (50787 inhabitants)
76 Km E of Castellammare di Stabia (66466 inhabitants)
80 Km SW of Cerignola (58396 inhabitants)
87 Km E of Torre del Greco (86275 inhabitants)
88 Km E of Portici (55274 inhabitants)
89 Km E of Ercolano (53709 inhabitants)
89 Km S of Foggia (151991 inhabitants)
90 Km E of Acerra (59573 inhabitants)
94 Km E of Afragola (65057 inhabitants)
96 Km E of Casoria (77642 inhabitants)
97 Km E of Napoli (974074 inhabitants)
99 Km SW of Andria (100440 inhabitants)
99 Km E of Caserta (76326 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
ML-VAX 1.5
1996-07-17
10:04:55
40.669 15.381 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 249339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-07-17 10:04:55 ± 0.27
Latitude 40.6690 ± 0.0123
Longitude 15.3810 ± 0.0265
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 249339

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) 2620.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.01004
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 249339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:55:53

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 249339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FG3.Z. 1996-07-17T10:05:30.57 10.0 undecidable manual SN 22 1.11 -1.12 0.1
--.FG3.Z. 1996-07-17T10:05:16.72 10.0 undecidable manual PN 22 1.11 0.48 0.6
--.MGR.Z. 1996-07-17T10:05:13.31 10.0 undecidable manual SG 166 0.5439 -1.34 0
--.SL9.Z. 1996-07-17T10:05:08.43 10.0 undecidable manual SG 145 0.333 0.46 0.5
--.CI9.Z. 1996-07-17T10:05:06.57 10.0 undecidable manual SG 305 0.3219 -1.18 0.1
--.MGR.Z. 1996-07-17T10:05:06.34 10.0 undecidable manual PG 166 0.5439 -0.06 1.4
--.CA9.Z. 1996-07-17T10:05:05.40 10.0 undecidable manual SG 11 0.2331 0.68 0.3
--.FG4.Z. 1996-07-17T10:05:04.83 10.0 undecidable manual PG 12 0.4662 -0.21 1.4
--.CI9.Z. 1996-07-17T10:05:02.46 10.0 undecidable manual PG 305 0.3219 0.04 1.7
--.SL9.Z. 1996-07-17T10:05:02.75 10.0 undecidable manual PG 145 0.333 0.2 1.6
--.CA9.Z. 1996-07-17T10:05:01.65 10.0 undecidable manual PG 11 0.2331 0.98 0.4
--.SGO.Z. 1996-07-17T10:05:01.46 10.0 undecidable manual SG 206 0.1221 0.04 0.7
--.MU9.Z. 1996-07-17T10:05:00.17 10.0 undecidable manual SG 41 0.1221 -1.27 0.1
--.SGO.Z. 1996-07-17T10:04:58.98 10.0 positive manual PG 206 0.1221 0.21 3.1
--.MU9.Z. 1996-07-17T10:04:58.62 10.0 positive manual PG 41 0.1221 -0.16 3.2
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