Earthquake with magnitude of Md 2.1 on date 17-07-1996 and time 23:49:29 (Italy) in region 3 km N Romagnano al Monte (SA)

A magnitude Md 2.1 earthquake occured in region: 3 km N Romagnano al Monte (SA), on

  • 17-07-1996 21:49:29 (UTC)
  • 17-07-1996 23:49:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.6540, 15.4390 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
Romagnano al Monte SA 3 368 368
San Gregorio Magno SA 3 4286 4654
Ricigliano SA 4 1144 5798
Balvano PZ 6 1830 7628
Buccino SA 7 5047 12675
Salvitelle SA 7 560 13235
Vietri di Potenza PZ 8 2832 16067
Auletta SA 11 2336 18403
Caggiano SA 11 2765 21168
Muro Lucano PZ 12 5497 26665
Pertosa SA 12 690 27355
Palomonte SA 12 3985 31340
Savoia di Lucania PZ 13 1127 32467
Baragiano PZ 14 2671 35138
Bella PZ 14 5171 40309
Colliano SA 15 3638 43947
Petina SA 15 1159 45106
Castelgrande PZ 15 943 46049
Sicignano degli Alburni SA 15 3519 49568
Sant'Angelo Le Fratte PZ 16 1429 50997
Polla SA 16 5279 56276
Contursi Terme SA 17 3394 59670
Picerno PZ 17 5985 65655
Valva SA 17 1643 67298
Oliveto Citra SA 18 3802 71100
Laviano SA 18 1438 72538
Santomenna SA 20 443 72981

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Potenza (67122 inhabitants)
39 Km E of Battipaglia (50786 inhabitants)
57 Km E of Salerno (135261 inhabitants)
61 Km E of Avellino (54857 inhabitants)
62 Km E of Cava de' Tirreni (53659 inhabitants)
77 Km SE of Benevento (60091 inhabitants)
78 Km E of Scafati (50787 inhabitants)
79 Km SW of Cerignola (58396 inhabitants)
81 Km E of Castellammare di Stabia (66466 inhabitants)
90 Km S of Foggia (151991 inhabitants)
92 Km E of Torre del Greco (86275 inhabitants)
93 Km E of Portici (55274 inhabitants)
94 Km E of Ercolano (53709 inhabitants)
96 Km E of Acerra (59573 inhabitants)
96 Km W of Altamura (70396 inhabitants)
96 Km SW of Andria (100440 inhabitants)
98 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 2.1 1996-07-17
21:49:29
40.654 15.439 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 249489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-07-17 21:49:29 ± 0.178
Latitude 40.6540 ± 0.0081
Longitude 15.4390 ± 0.0226
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 249489

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) 2108.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00267
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 249489
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. 1996-07-17T21:49:41.97 10.0 undecidable manual SG 150 0.2997 0.8 0.1
--.CA9.Z. 1996-07-17T21:49:39.15 10.0 undecidable manual SG 0 0.2442 0.11 0.8
--.CA9.Z. 1996-07-17T21:49:35.13 10.0 undecidable manual PG 0 0.2442 0.16 1.9
--.SL9.Z. 1996-07-17T21:49:35.77 10.0 undecidable manual PG 150 0.2997 -0.42 1
--.SGO.Z. 1996-07-17T21:49:35.68 10.0 undecidable manual SG 226 0.1332 0.72 0.2
--.MU9.Z. 1996-07-17T21:49:34.38 10.0 undecidable manual SG 19 0.111 0.24 0.7
--.SGO.Z. 1996-07-17T21:49:32.24 10.0 undecidable manual PG 226 0.1332 -0.37 1.5
--.MU9.Z. 1996-07-17T21:49:31.89 10.0 undecidable manual PG 19 0.111 -0.25 1.8
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