Earthquake with magnitude of Md 2.1 on date 05-04-1998 and time 19:35:23 (Italy) in region 2 km SW Macchiagodena (IS)

A magnitude Md 2.1 earthquake occured in region: 2 km SW Macchiagodena (IS), on

  • 05-04-1998 17:35:23 (UTC)
  • 05-04-1998 19:35:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5450, 14.3940 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
Macchiagodena IS 2 1854 1854
Santa Maria del Molise IS 2 665 2519
Cantalupo nel Sannio IS 3 739 3258
Castelpetroso IS 4 1680 4938
San Massimo CB 6 855 5793
Roccamandolfi IS 7 938 6731
Sant'Elena Sannita IS 8 275 7006
Carpinone IS 8 1157 8163
Frosolone IS 8 3170 11333
Spinete CB 8 1320 12653
Castelpizzuto IS 9 155 12808
Bojano CB 9 8058 20866
Pettoranello del Molise IS 10 460 21326
Colle d'Anchise CB 11 807 22133
Sessano del Molise IS 12 727 22860
Pesche IS 12 1661 24521
Casalciprano CB 12 564 25085
Longano IS 13 690 25775
San Polo Matese CB 13 470 26245
Molise CB 13 167 26412
Duronia CB 14 405 26817
Civitanova del Sannio IS 14 945 27762
Baranello CB 14 2673 30435
Campochiaro CB 14 646 31081
Busso CB 14 1273 32354
Sant'Agapito IS 14 1496 33850
Isernia IS 15 21842 55692
Chiauci IS 15 233 55925
Torella del Sannio CB 15 795 56720
Letino CE 16 712 57432
Pescolanciano IS 16 855 58287
Castropignano CB 16 947 59234
Gallo Matese CE 17 579 59813
Miranda IS 17 1047 60860
Oratino CB 17 1641 62501
Vinchiaturo CB 17 3324 65825
Guardiaregia CB 17 801 66626
Valle Agricola CE 18 890 67516
San Gregorio Matese CE 18 988 68504
Monteroduni IS 18 2264 70768
Pietracupa CB 19 215 70983
Bagnoli del Trigno IS 19 735 71718
Macchia d'Isernia IS 19 1035 72753
Fossalto CB 19 1345 74098
Castello del Matese CE 20 1494 75592
Fontegreca CE 20 811 76403

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km N of Caserta (76326 inhabitants)
56 Km NW of Benevento (60091 inhabitants)
65 Km N of Aversa (53047 inhabitants)
67 Km N of Acerra (59573 inhabitants)
70 Km N of Afragola (65057 inhabitants)
70 Km N of Giugliano in Campania (122974 inhabitants)
72 Km N of Casoria (77642 inhabitants)
74 Km N of Marano di Napoli (59874 inhabitants)
78 Km NW of Avellino (54857 inhabitants)
79 Km N of Napoli (974074 inhabitants)
80 Km N of Portici (55274 inhabitants)
82 Km NE of Pozzuoli (81661 inhabitants)
82 Km N of Ercolano (53709 inhabitants)
84 Km W of San Severo (53905 inhabitants)
84 Km N of Torre del Greco (86275 inhabitants)
89 Km N of Scafati (50787 inhabitants)
92 Km S of Chieti (51815 inhabitants)
95 Km N of Castellammare di Stabia (66466 inhabitants)
96 Km W of Foggia (151991 inhabitants)
97 Km N of Cava de' Tirreni (53659 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 2.1
ML-VAX 2.1
1998-04-05
17:35:23
41.545 14.394 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 331879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-04-05 17:35:23 ± 0.374
Latitude 41.5450 ± 0.0220
Longitude 14.3940 ± 0.0379
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 331879

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) 3987.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00259
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 331879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:10:59

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 331879
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
--.PLI2.Z. 1998-04-05T17:35:33.65 10.0 undecidable manual SG 266 0.2442 0.12 0.6
--.CRVI.Z. 1998-04-05T17:35:32.66 10.0 undecidable manual SG 339 0.1887 1.1 0.2
--.PLI2.Z. 1998-04-05T17:35:30.12 10.0 undecidable manual PG 266 0.2442 0.81 0.7
--.MAB1.Z. 1998-04-05T17:35:30.26 10.0 undecidable manual PG 164 0.2886 0.13 1.4
--.CRVI.Z. 1998-04-05T17:35:28.54 10.0 undecidable manual PG 339 0.1887 0.36 1.6
--.CPI2.Z. 1998-04-05T17:35:26.87 10.0 undecidable manual SG 305 0.0666 -1.05 0.2
--.CPI2.Z. 1998-04-05T17:35:25.39 10.0 positive manual PG 305 0.0666 -0.68 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