Earthquake with magnitude of Md 2.5 on date 11-05-1999 and time 01:18:16 (Italy) in region 6 km W Calabritto (AV)

A magnitude Md 2.5 earthquake occured in region: 6 km W Calabritto (AV), on

  • 10-05-1999 23:18:16 (UTC)
  • 11-05-1999 01:18:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.7850, 15.1500 at 3 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
Calabritto AV 6 2391 2391
Senerchia AV 7 842 3233
Caposele AV 7 3483 6716
Bagnoli Irpino AV 9 3217 9933
Acerno SA 9 2783 12716
Lioni AV 11 6201 18917
Valva SA 11 1643 20560
Teora AV 12 1537 22097
Nusco AV 13 4203 26300
Oliveto Citra SA 13 3802 30102
Montella AV 13 7780 37882
Laviano SA 13 1438 39320
Campagna SA 14 16703 56023
Colliano SA 14 3638 59661
Cassano Irpino AV 14 982 60643
Santomenna SA 15 443 61086
Castelnuovo di Conza SA 15 619 61705
Sant'Angelo dei Lombardi AV 16 4250 65955
Contursi Terme SA 17 3394 69349
Morra De Sanctis AV 17 1297 70646
Montecorvino Rovella SA 18 12739 83385
Olevano sul Tusciano SA 18 6878 90263
Conza della Campania AV 18 1373 91636
Torella dei Lombardi AV 18 2144 93780
Palomonte SA 18 3985 97765
Rocca San Felice AV 19 851 98616
Castelfranci AV 19 2041 100657
Giffoni Valle Piana SA 19 12001 112658
Guardia Lombardi AV 20 1718 114376
Montemarano AV 20 2851 117227
Sant'Andrea di Conza AV 20 1539 118766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Battipaglia (50786 inhabitants)
33 Km E of Avellino (54857 inhabitants)
35 Km E of Salerno (135261 inhabitants)
39 Km E of Cava de' Tirreni (53659 inhabitants)
49 Km SE of Benevento (60091 inhabitants)
53 Km E of Scafati (50787 inhabitants)
57 Km E of Castellammare di Stabia (66466 inhabitants)
58 Km W of Potenza (67122 inhabitants)
66 Km E of Torre del Greco (86275 inhabitants)
67 Km E of Portici (55274 inhabitants)
68 Km E of Ercolano (53709 inhabitants)
68 Km E of Acerra (59573 inhabitants)
72 Km E of Afragola (65057 inhabitants)
74 Km E of Casoria (77642 inhabitants)
76 Km E of Caserta (76326 inhabitants)
76 Km E of Napoli (974074 inhabitants)
81 Km E of Giugliano in Campania (122974 inhabitants)
82 Km E of Marano di Napoli (59874 inhabitants)
82 Km E of Aversa (53047 inhabitants)
82 Km SW of Foggia (151991 inhabitants)
83 Km SW of Cerignola (58396 inhabitants)
89 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 1999-05-10
23:18:16
40.785 15.15 3 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 365539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-05-10 23:18:16 ± 0.21
Latitude 40.7850 ± 0.0141
Longitude 15.1500 ± 0.0179
Depth (km) 3 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 365539

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) 2171.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00105
Epicentral distance of station farthest from the epicenter (degree) 0.00639
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 365539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:42:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MAB1.Z. 1999-05-10T23:18:31.80 10.0 undecidable manual PG 313 0.6882 0.76 0.5
--.MGR.Z. 1999-05-10T23:18:30.62 10.0 undecidable manual PG 154 0.7104 -1.03 0.2
--.MRB1.Z. 1999-05-10T23:18:29.39 10.0 undecidable manual SG 337 0.3552 -1.18 0.1
--.SL9.Z. 1999-05-10T23:18:28.77 10.0 undecidable manual PG 136 0.5328 0.42 1
--.CA9.Z. 1999-05-10T23:18:27.11 10.0 undecidable manual SG 62 0.2442 0.98 0.2
--.SGO.Z. 1999-05-10T23:18:26.81 10.0 undecidable manual SG 151 0.2553 0.41 0.5
--.MU9.Z. 1999-05-10T23:18:25.82 10.0 undecidable manual SG 94 0.2553 -0.68 0.3
--.MRB1.Z. 1999-05-10T23:18:24.10 10.0 undecidable manual PG 337 0.3552 -0.62 0.9
--.CA9.Z. 1999-05-10T23:18:22.71 10.0 undecidable manual PG 62 0.2442 0.66 0.9
--.SGO.Z. 1999-05-10T23:18:22.40 10.0 negative manual PG 151 0.2553 0.19 3.2
--.CI9.Z. 1999-05-10T23:18:21.55 10.0 undecidable manual SG 308 0.1221 0.24 0.6
--.MU9.Z. 1999-05-10T23:18:21.92 10.0 negative manual PG 94 0.2553 -0.35 2.8
--.CI9.Z. 1999-05-10T23:18:19.48 10.0 undecidable manual PG 308 0.1221 0.2 1.6
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