Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.2 on date 06-08-1996 and time 01:17:23 (Italy) in region 4 km NE San Gregorio Magno (SA)

A magnitude Md 2.2 earthquake occured in region: 4 km NE San Gregorio Magno (SA), on

  • 05-08-1996 23:17:23 (UTC)
  • 06-08-1996 01:17:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6860, 15.4240 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.

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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 4 4286 4286
Ricigliano SA 5 1144 5430
Romagnano al Monte SA 6 368 5798
Buccino SA 8 5047 10845
Balvano PZ 8 1830 12675
Muro Lucano PZ 9 5497 18172
Salvitelle SA 11 560 18732
Castelgrande PZ 11 943 19675
Palomonte SA 11 3985 23660
Vietri di Potenza PZ 12 2832 26492
Colliano SA 12 3638 30130
Bella PZ 13 5171 35301
Auletta SA 14 2336 37637
Valva SA 14 1643 39280
Baragiano PZ 14 2671 41951
Caggiano SA 15 2765 44716
Laviano SA 15 1438 46154
Oliveto Citra SA 16 3802 49956
Contursi Terme SA 16 3394 53350
Pertosa SA 16 690 54040
Santomenna SA 16 443 54483
Savoia di Lucania PZ 17 1127 55610
Pescopagano PZ 17 1910 57520
Sicignano degli Alburni SA 17 3519 61039
Castelnuovo di Conza SA 17 619 61658
Petina SA 18 1159 62817
San Fele PZ 18 3004 65821
Sant'Andrea di Conza AV 18 1539 67360
Picerno PZ 19 5985 73345
Rapone PZ 19 990 74335
Sant'Angelo Le Fratte PZ 19 1429 75764
Senerchia AV 19 842 76606
Polla SA 20 5279 81885

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Potenza (67122 inhabitants)
38 Km E of Battipaglia (50786 inhabitants)
56 Km E of Salerno (135261 inhabitants)
59 Km E of Avellino (54857 inhabitants)
61 Km E of Cava de' Tirreni (53659 inhabitants)
73 Km SE of Benevento (60091 inhabitants)
76 Km E of Scafati (50787 inhabitants)
76 Km SW of Cerignola (58396 inhabitants)
80 Km E of Castellammare di Stabia (66466 inhabitants)
87 Km S of Foggia (151991 inhabitants)
90 Km E of Torre del Greco (86275 inhabitants)
91 Km E of Portici (55274 inhabitants)
92 Km E of Ercolano (53709 inhabitants)
93 Km E of Acerra (59573 inhabitants)
95 Km SW of Andria (100440 inhabitants)
96 Km W of Altamura (70396 inhabitants)
97 Km E of Afragola (65057 inhabitants)
99 Km E of Casoria (77642 inhabitants)
99 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 2.2
ML-VAX 1.7 		1996-08-05
23:17:23		 40.686 15.424 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 250369
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-08-05 23:17:23 ± 0.392
Latitude 40.6860 ± 0.0181
Longitude 15.4240 ± 0.0337
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 250369

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) 3481.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00081
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
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 250369
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:56:51

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 250369
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
--.CI9.Z. 1996-08-05T23:17:37.60 10.0 undecidable manual SG 300 0.3441 0.02 0.6
--.CA9.Z. 1996-08-05T23:17:33.36 10.0 undecidable manual SG 3 0.2109 0.93 0.5
--.SGO.Z. 1996-08-05T23:17:31.23 10.0 undecidable manual SG 214 0.1554 1.05 0.4
--.CI9.Z. 1996-08-05T23:17:30.78 10.0 undecidable manual PG 300 0.3441 -1.05 0.8
--.CA9.Z. 1996-08-05T23:17:28.75 10.0 undecidable manual PG 3 0.2109 -0.11 1.9
--.MU9.Z. 1996-08-05T23:17:28.87 10.0 undecidable manual SG 33 0.0888 0.98 0.5
--.SGO.Z. 1996-08-05T23:17:27.67 10.0 undecidable manual PG 214 0.1554 0.11 2
--.MU9.Z. 1996-08-05T23:17:24.85 10.0 negative manual PG 33 0.0888 -1.38 1.4
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