Earthquake with magnitude of Md 2.5 on date 05-05-1994 and time 17:11:00 (Italy) in region 1 km W Valva (SA)

A magnitude Md 2.5 earthquake occured in region: 1 km W Valva (SA), on

  • 05-05-1994 15:11:00 (UTC)
  • 05-05-1994 17:11:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7450, 15.2560 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
Valva SA 1 1643 1643
Colliano SA 4 3638 5281
Senerchia AV 4 842 6123
Calabritto AV 5 2391 8514
Oliveto Citra SA 6 3802 12316
Laviano SA 6 1438 13754
Caposele AV 8 3483 17237
Santomenna SA 9 443 17680
Palomonte SA 10 3985 21665
Castelnuovo di Conza SA 10 619 22284
Contursi Terme SA 11 3394 25678
Teora AV 12 1537 27215
Conza della Campania AV 14 1373 28588
Sant'Andrea di Conza AV 15 1539 30127
Campagna SA 15 16703 46830
San Gregorio Magno SA 16 4286 51116
Pescopagano PZ 16 1910 53026
Castelgrande PZ 16 943 53969
Buccino SA 16 5047 59016
Lioni AV 16 6201 65217
Acerno SA 17 2783 68000
Bagnoli Irpino AV 19 3217 71217
Serre SA 19 3995 75212
Muro Lucano PZ 19 5497 80709
Cairano AV 20 326 81035
Romagnano al Monte SA 20 368 81403
Morra De Sanctis AV 20 1297 82700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Battipaglia (50786 inhabitants)
42 Km E of Salerno (135261 inhabitants)
43 Km E of Avellino (54857 inhabitants)
47 Km E of Cava de' Tirreni (53659 inhabitants)
48 Km W of Potenza (67122 inhabitants)
59 Km SE of Benevento (60091 inhabitants)
61 Km E of Scafati (50787 inhabitants)
66 Km E of Castellammare di Stabia (66466 inhabitants)
75 Km E of Torre del Greco (86275 inhabitants)
76 Km E of Portici (55274 inhabitants)
77 Km E of Ercolano (53709 inhabitants)
78 Km E of Acerra (59573 inhabitants)
80 Km SW of Cerignola (58396 inhabitants)
82 Km E of Afragola (65057 inhabitants)
83 Km E of Casoria (77642 inhabitants)
83 Km S of Foggia (151991 inhabitants)
85 Km E of Napoli (974074 inhabitants)
86 Km E of Caserta (76326 inhabitants)
91 Km E of Giugliano in Campania (122974 inhabitants)
91 Km E of Marano di Napoli (59874 inhabitants)
92 Km E of Aversa (53047 inhabitants)
99 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 2.5
ML-VAX 1.7
1994-05-05
15:11:00
40.745 15.256 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 208969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-05-05 15:11:00 ± 0.114
Latitude 40.7450 ± 0.0072
Longitude 15.2560 ± 0.0089
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 208969

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) 1094.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00583
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 208969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:16:55

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 208969
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
--.MGR.Z. 1994-05-05T15:11:12.75 10.0 undecidable manual PG 159 0.6438 -0.4 0.6
--.CA9.Z. 1994-05-05T15:11:09.00 10.0 undecidable manual SG 42 0.2109 0.37 0.4
--.SGO.Z. 1994-05-05T15:11:08.50 10.0 undecidable manual SG 168 0.1887 0.46 0.3
--.CI9.Z. 1994-05-05T15:11:08.95 10.0 undecidable manual SG 303 0.2109 0.26 0.7
--.MU9.Z. 1994-05-05T15:11:07.59 10.0 undecidable manual SG 84 0.1665 -0.05 0.9
--.CA9.Z. 1994-05-05T15:11:05.15 10.0 undecidable manual PG 42 0.2109 0.16 1.9
--.CI9.Z. 1994-05-05T15:11:04.77 10.0 undecidable manual PG 303 0.2109 -0.25 1.5
--.SGO.Z. 1994-05-05T15:11:04.81 10.0 undecidable manual PG 168 0.1887 0.16 1.9
--.MU9.Z. 1994-05-05T15:11:03.92 10.0 undecidable manual PG 84 0.1665 -0.5 0.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download