Earthquake with magnitude of Md 2.3 on date 31-08-1994 and time 05:34:39 (Italy) in region 2 km N Senerchia (AV)

A magnitude Md 2.3 earthquake occured in region: 2 km N Senerchia (AV), on

  • 31-08-1994 03:34:39 (UTC)
  • 31-08-1994 05:34:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7600, 15.2090 at 10 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
Senerchia AV 2 842 842
Calabritto AV 3 2391 3233
Valva SA 6 1643 4876
Caposele AV 6 3483 8359
Oliveto Citra SA 8 3802 12161
Colliano SA 8 3638 15799
Laviano SA 9 1438 17237
Santomenna SA 11 443 17680
Teora AV 11 1537 19217
Castelnuovo di Conza SA 12 619 19836
Contursi Terme SA 13 3394 23230
Acerno SA 13 2783 26013
Palomonte SA 13 3985 29998
Lioni AV 13 6201 36199
Campagna SA 13 16703 52902
Bagnoli Irpino AV 14 3217 56119
Conza della Campania AV 15 1373 57492
Sant'Andrea di Conza AV 17 1539 59031
Nusco AV 18 4203 63234
Pescopagano PZ 18 1910 65144
Morra De Sanctis AV 19 1297 66441
Montella AV 19 7780 74221
Sant'Angelo dei Lombardi AV 19 4250 78471
Castelgrande PZ 19 943 79414
Olevano sul Tusciano SA 19 6878 86292
Buccino SA 20 5047 91339
Cassano Irpino AV 20 982 92321
San Gregorio Magno SA 20 4286 96607
Serre SA 20 3995 100602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Battipaglia (50786 inhabitants)
39 Km E of Avellino (54857 inhabitants)
39 Km E of Salerno (135261 inhabitants)
43 Km E of Cava de' Tirreni (53659 inhabitants)
52 Km W of Potenza (67122 inhabitants)
55 Km SE of Benevento (60091 inhabitants)
58 Km E of Scafati (50787 inhabitants)
62 Km E of Castellammare di Stabia (66466 inhabitants)
71 Km E of Torre del Greco (86275 inhabitants)
72 Km E of Portici (55274 inhabitants)
73 Km E of Ercolano (53709 inhabitants)
73 Km E of Acerra (59573 inhabitants)
78 Km E of Afragola (65057 inhabitants)
79 Km E of Casoria (77642 inhabitants)
81 Km SW of Cerignola (58396 inhabitants)
81 Km E of Napoli (974074 inhabitants)
82 Km E of Caserta (76326 inhabitants)
83 Km SW of Foggia (151991 inhabitants)
87 Km E of Giugliano in Campania (122974 inhabitants)
87 Km E of Marano di Napoli (59874 inhabitants)
88 Km E of Aversa (53047 inhabitants)
95 Km E of Pozzuoli (81661 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 1994-08-31
03:34:39
40.76 15.209 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 215559
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-08-31 03:34:39 ± 0.27
Latitude 40.7600 ± 0.0216
Longitude 15.2090 ± 0.0193
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 215559

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) 2898.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00194
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 215559
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:23:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CA9.Z. 1994-08-31T03:34:50.00 10.0 undecidable manual SG 51 0.2109 1.03 0.2
--.MU9.Z. 1994-08-31T03:34:48.00 10.0 undecidable manual SG 89 0.2109 -0.58 0.5
--.CI9.Z. 1994-08-31T03:34:47.00 10.0 undecidable manual SG 305 0.1665 -0.32 0.7
--.SGO.Z. 1994-08-31T03:34:45.50 10.0 undecidable manual PG 159 0.2109 0.57 1.3
--.CA9.Z. 1994-08-31T03:34:45.50 10.0 undecidable manual PG 51 0.2109 0.38 1.6
--.MU9.Z. 1994-08-31T03:34:44.00 10.0 undecidable manual PG 89 0.2109 -0.89 0.7
--.CI9.Z. 1994-08-31T03:34:44.00 10.0 undecidable manual PG 305 0.1665 -0.16 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