Earthquake with magnitude of Md 2.2 on date 23-09-1988 and time 09:08:40 (Italy) in region 3 km NW Andretta (AV)

A magnitude Md 2.2 earthquake occured in region: 3 km NW Andretta (AV), on

  • 23-09-1988 07:08:40 (UTC)
  • 23-09-1988 09:08:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.9570, 15.3060 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
Andretta AV 3 1927 1927
Morra De Sanctis AV 6 1297 3224
Guardia Lombardi AV 8 1718 4942
Cairano AV 9 326 5268
Bisaccia AV 9 3831 9099
Vallata AV 10 2714 11813
Conza della Campania AV 11 1373 13186
Sant'Angelo dei Lombardi AV 11 4250 17436
Carife AV 11 1408 18844
Rocca San Felice AV 12 851 19695
Trevico AV 12 993 20688
Teora AV 13 1537 22225
Calitri AV 13 4666 26891
Vallesaccarda AV 13 1386 28277
Lioni AV 13 6201 34478
Sant'Andrea di Conza AV 14 1539 36017
Castel Baronia AV 14 1129 37146
Lacedonia AV 14 2340 39486
Aquilonia AV 14 1739 41225
San Nicola Baronia AV 15 771 41996
San Sossio Baronia AV 15 1643 43639
Scampitella AV 15 1234 44873
Pescopagano PZ 15 1910 46783
Castelnuovo di Conza SA 15 619 47402
Torella dei Lombardi AV 16 2144 49546
Santomenna SA 17 443 49989
Caposele AV 17 3483 53472
Sturno AV 18 3080 56552
Flumeri AV 18 2963 59515
Anzano di Puglia FG 18 1284 60799
Villamaina AV 18 995 61794
Frigento AV 19 3780 65574
Laviano SA 19 1438 67012
Monteverde AV 20 784 67796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Avellino (54857 inhabitants)
47 Km NE of Battipaglia (50786 inhabitants)
48 Km E of Benevento (60091 inhabitants)
55 Km NW of Potenza (67122 inhabitants)
55 Km NE of Salerno (135261 inhabitants)
58 Km NE of Cava de' Tirreni (53659 inhabitants)
60 Km SW of Foggia (151991 inhabitants)
61 Km SW of Cerignola (58396 inhabitants)
70 Km E of Scafati (50787 inhabitants)
75 Km E of Castellammare di Stabia (66466 inhabitants)
78 Km E of Acerra (59573 inhabitants)
81 Km E of Torre del Greco (86275 inhabitants)
81 Km E of Portici (55274 inhabitants)
81 Km S of San Severo (53905 inhabitants)
82 Km E of Ercolano (53709 inhabitants)
83 Km E of Caserta (76326 inhabitants)
84 Km E of Afragola (65057 inhabitants)
85 Km E of Casoria (77642 inhabitants)
88 Km W of Andria (100440 inhabitants)
90 Km E of Napoli (974074 inhabitants)
91 Km SW of Manfredonia (57279 inhabitants)
91 Km W of Barletta (94814 inhabitants)
92 Km E of Aversa (53047 inhabitants)
93 Km E of Giugliano in Campania (122974 inhabitants)
94 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 2.2
ML-VAX 1.5
1988-09-23
07:08:40
40.957 15.306 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 77669
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-09-23 07:08:40 ± 1.474
Latitude 40.9570 ± 0.0825
Longitude 15.3060 ± 0.0566
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 77669

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) 10332.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 283
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.00753
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 77669
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:13:06

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 77669
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. 1988-09-23T07:09:11.00 10.0 undecidable manual SG 166 0.8325 1.29 0
--.MGR.Z. 1988-09-23T07:08:57.14 10.0 positive manual PG 166 0.8325 -0.35 1.3
--.BSS.Z. 1988-09-23T07:08:55.45 10.0 undecidable manual SG 243 0.3996 -0.37 0.3
--.SGO.Z. 1988-09-23T07:08:54.75 10.0 undecidable manual SG 179 0.3996 -0.73 0.1
--.SGO.Z. 1988-09-23T07:08:49.43 10.0 positive manual PG 179 0.3996 0.15 2.1
--.BSS.Z. 1988-09-23T07:08:49.62 10.0 positive manual PG 243 0.3996 0.15 2.2
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