Earthquake with magnitude of Md 2.3 on date 21-09-1988 and time 04:35:08 (UTC) in region 2 km E Laviano (SA)

A magnitude Md 2.3 earthquake occured in region: 2 km E Laviano (SA), on

  • 21-09-1988 04:35:08 (UTC)
  • 21-09-1988 06:35:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7770, 15.3290 at 8 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
Laviano SA 2 1438 1438
Santomenna SA 4 443 1881
Castelnuovo di Conza SA 5 619 2500
Colliano SA 6 3638 6138
Valva SA 6 1643 7781
Sant'Andrea di Conza AV 8 1539 9320
Pescopagano PZ 9 1910 11230
Castelgrande PZ 9 943 12173
Conza della Campania AV 9 1373 13546
Calabritto AV 9 2391 15937
Caposele AV 10 3483 19420
Teora AV 11 1537 20957
Senerchia AV 11 842 21799
Oliveto Citra SA 12 3802 25601
Palomonte SA 13 3985 29586
Muro Lucano PZ 13 5497 35083
Cairano AV 14 326 35409
San Gregorio Magno SA 15 4286 39695
Contursi Terme SA 16 3394 43089
Lioni AV 16 6201 49290
Rapone PZ 16 990 50280
Buccino SA 17 5047 55327
Calitri AV 17 4666 59993
Andretta AV 17 1927 61920
Morra De Sanctis AV 18 1297 63217
Bella PZ 18 5171 68388
Ricigliano SA 18 1144 69532
San Fele PZ 18 3004 72536
Romagnano al Monte SA 19 368 72904
Ruvo del Monte PZ 20 1083 73987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Battipaglia (50786 inhabitants)
43 Km W of Potenza (67122 inhabitants)
47 Km E of Avellino (54857 inhabitants)
49 Km E of Salerno (135261 inhabitants)
53 Km E of Cava de' Tirreni (53659 inhabitants)
60 Km SE of Benevento (60091 inhabitants)
68 Km E of Scafati (50787 inhabitants)
72 Km E of Castellammare di Stabia (66466 inhabitants)
73 Km SW of Cerignola (58396 inhabitants)
78 Km S of Foggia (151991 inhabitants)
81 Km E of Torre del Greco (86275 inhabitants)
82 Km E of Portici (55274 inhabitants)
83 Km E of Acerra (59573 inhabitants)
83 Km E of Ercolano (53709 inhabitants)
87 Km E of Afragola (65057 inhabitants)
89 Km E of Casoria (77642 inhabitants)
90 Km E of Caserta (76326 inhabitants)
91 Km E of Napoli (974074 inhabitants)
95 Km SW of Andria (100440 inhabitants)
96 Km E of Giugliano in Campania (122974 inhabitants)
97 Km E of Marano di Napoli (59874 inhabitants)
97 Km E of Aversa (53047 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 1988-09-21
04:35:08
40.777 15.329 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 77539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-09-21 04:35:08 ± 0.763
Latitude 40.7770 ± 0.0351
Longitude 15.3290 ± 0.0495
Depth (km) 9 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 77539

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) 5703.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
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) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.00988
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 4
Type of magnitude Md
Reference to an origin 77539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:12:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.DUI.Z. 1988-09-21T04:35:45.00 10.0 undecidable manual SN 323 1.0989 -0.81 0.1
--.MGR.Z. 1988-09-21T04:35:32.43 10.0 undecidable manual SG 164 0.6549 0.18 0.5
--.DUI.Z. 1988-09-21T04:35:31.00 10.0 undecidable manual PN 323 1.0989 0.82 0.2
--.BSS.Z. 1988-09-21T04:35:24.11 10.0 undecidable manual SG 269 0.3774 0.83 0.1
--.MGR.Z. 1988-09-21T04:35:22.14 10.0 undecidable manual PG 164 0.6549 -0.21 1.3
--.SGO.Z. 1988-09-21T04:35:18.30 10.0 undecidable manual SG 184 0.2109 0.59 0.3
--.BSS.Z. 1988-09-21T04:35:16.81 10.0 positive manual PG 269 0.3774 -0.36 2.3
--.SGO.Z. 1988-09-21T04:35:13.86 10.0 positive manual PG 184 0.2109 -0.1 3
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