Earthquake with magnitude of Md 2.3 on date 08-07-1994 and time 18:52:47 (Italy) in region 5 km E Colliano (SA)

A magnitude Md 2.3 earthquake occured in region: 5 km E Colliano (SA), on

  • 08-07-1994 16:52:47 (UTC)
  • 08-07-1994 18:52:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7260, 15.3520 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
Colliano SA 5 3638 3638
Valva SA 7 1643 5281
Laviano SA 8 1438 6719
San Gregorio Magno SA 9 4286 11005
Palomonte SA 9 3985 14990
Santomenna SA 10 443 15433
Castelgrande PZ 10 943 16376
Oliveto Citra SA 10 3802 20178
Buccino SA 11 5047 25225
Castelnuovo di Conza SA 11 619 25844
Muro Lucano PZ 12 5497 31341
Senerchia AV 12 842 32183
Contursi Terme SA 13 3394 35577
Ricigliano SA 13 1144 36721
Calabritto AV 13 2391 39112
Pescopagano PZ 13 1910 41022
Romagnano al Monte SA 13 368 41390
Sant'Andrea di Conza AV 13 1539 42929
Caposele AV 14 3483 46412
Conza della Campania AV 15 1373 47785
Balvano PZ 16 1830 49615
Bella PZ 16 5171 54786
Teora AV 16 1537 56323
Salvitelle SA 18 560 56883
Rapone PZ 18 990 57873
Sicignano degli Alburni SA 19 3519 61392
San Fele PZ 19 3004 64396
Cairano AV 19 326 64722
Vietri di Potenza PZ 19 2832 67554
Auletta SA 20 2336 69890

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Battipaglia (50786 inhabitants)
39 Km W of Potenza (67122 inhabitants)
50 Km E of Salerno (135261 inhabitants)
51 Km E of Avellino (54857 inhabitants)
54 Km E of Cava de' Tirreni (53659 inhabitants)
66 Km SE of Benevento (60091 inhabitants)
70 Km E of Scafati (50787 inhabitants)
74 Km E of Castellammare di Stabia (66466 inhabitants)
76 Km SW of Cerignola (58396 inhabitants)
83 Km E of Torre del Greco (86275 inhabitants)
84 Km S of Foggia (151991 inhabitants)
85 Km E of Portici (55274 inhabitants)
85 Km E of Ercolano (53709 inhabitants)
86 Km E of Acerra (59573 inhabitants)
90 Km E of Afragola (65057 inhabitants)
92 Km E of Casoria (77642 inhabitants)
94 Km E of Napoli (974074 inhabitants)
94 Km E of Caserta (76326 inhabitants)
97 Km SW of Andria (100440 inhabitants)
99 Km E of Giugliano in Campania (122974 inhabitants)
100 Km E of Marano di Napoli (59874 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 2.3 1994-07-08
16:52:47
40.726 15.352 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 212649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-07-08 16:52:47 ± 0.194
Latitude 40.7260 ± 0.0105
Longitude 15.3520 ± 0.0175
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 212649

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) 1883.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00542
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 212649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:20:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MGR.Z. 1994-07-08T16:53:00.76 10.0 undecidable manual PG 165 0.5994 0.25 0.9
--.CI9.Z. 1994-07-08T16:52:59.13 10.0 undecidable manual SG 298 0.2775 0.54 0.4
--.SGO.Z. 1994-07-08T16:52:55.70 10.0 undecidable manual SG 191 0.1665 0.72 0.2
--.CA9.Z. 1994-07-08T16:52:55.68 10.0 undecidable manual SG 21 0.1776 0.72 0.2
--.CI9.Z. 1994-07-08T16:52:53.32 10.0 undecidable manual PG 298 0.2775 -0.62 0.7
--.MU9.Z. 1994-07-08T16:52:52.75 10.0 undecidable manual SG 71 0.111 0.6 0.3
--.CA9.Z. 1994-07-08T16:52:52.37 10.0 undecidable manual PG 21 0.1776 0.54 1
--.SGO.Z. 1994-07-08T16:52:51.40 10.0 positive manual PG 191 0.1665 -0.09 3.5
--.MU9.Z. 1994-07-08T16:52:49.64 10.0 positive manual PG 71 0.111 -0.58 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