Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.0 on date 28-03-1998 and time 00:52:44 (Italy) in region 3 km E Duronia (CB)

A magnitude Md 2.0 earthquake occured in region: 3 km E Duronia (CB), on

  • 27-03-1998 23:52:44 (UTC)
  • 28-03-1998 00:52:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6650, 14.4900 at 5 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Duronia CB 3 405 405
Pietracupa CB 3 215 620
Molise CB 4 167 787
Torella del Sannio CB 4 795 1582
Fossalto CB 5 1345 2927
Bagnoli del Trigno IS 5 735 3662
Civitanova del Sannio IS 7 945 4607
Frosolone IS 8 3170 7777
Castropignano CB 8 947 8724
Chiauci IS 9 233 8957
Salcito CB 9 683 9640
Casalciprano CB 10 564 10204
Sant'Elena Sannita IS 10 275 10479
Sant'Angelo Limosano CB 10 352 10831
San Biase CB 10 189 11020
Limosano CB 11 768 11788
Oratino CB 12 1641 13429
Pietrabbondante IS 13 759 14188
Pescolanciano IS 13 855 15043
Spinete CB 13 1320 16363
Sessano del Molise IS 13 727 17090
Busso CB 14 1273 18363
Macchiagodena IS 14 1854 20217
Castelverrino IS 14 115 20332
Poggio Sannita IS 14 702 21034
Trivento CB 14 4730 25764
Montagano CB 16 1086 26850
Ripalimosani CB 16 3114 29964
Santa Maria del Molise IS 16 665 30629
Carpinone IS 16 1157 31786
Baranello CB 16 2673 34459
Castelpetroso IS 17 1680 36139
Schiavi di Abruzzo CH 17 860 36999
Carovilli IS 17 1359 38358
Petrella Tifernina CB 17 1170 39528
Colle d'Anchise CB 17 807 40335
Cantalupo nel Sannio IS 18 739 41074
Castelguidone CH 18 382 41456
Pesche IS 18 1661 43117
Lucito CB 18 696 43813
Campobasso CB 18 49431 93244
Belmonte del Sannio IS 19 768 94012
Agnone IS 19 5139 99151
Matrice CB 19 1115 100266

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km NW of Benevento (60091 inhabitants)
67 Km N of Caserta (76326 inhabitants)
74 Km W of San Severo (53905 inhabitants)
80 Km N of Aversa (53047 inhabitants)
81 Km N of Acerra (59573 inhabitants)
81 Km SE of Chieti (51815 inhabitants)
84 Km N of Afragola (65057 inhabitants)
85 Km N of Giugliano in Campania (122974 inhabitants)
86 Km N of Casoria (77642 inhabitants)
87 Km N of Avellino (54857 inhabitants)
89 Km N of Marano di Napoli (59874 inhabitants)
91 Km W of Foggia (151991 inhabitants)
92 Km S of Pescara (121014 inhabitants)
94 Km N of Napoli (974074 inhabitants)
94 Km N of Portici (55274 inhabitants)
96 Km N of Ercolano (53709 inhabitants)
97 Km NE of Pozzuoli (81661 inhabitants)
98 Km N of Torre del Greco (86275 inhabitants)
99 Km S of Montesilvano (53738 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 2.0 1998-03-27
23:52:44		 41.665 14.49 5 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 328629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-03-27 23:52:44 ± 0.632
Latitude 41.6650 ± 0.0250
Longitude 14.4900 ± 0.0365
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 328629

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) 4115.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 328
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00445
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 328629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:08:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PSB1.Z. 1998-03-27T23:53:03.37 10.0 undecidable manual SG 151 0.4995 0.06 0.8
--.VTB1.Z. 1998-03-27T23:53:02.31 10.0 undecidable manual SG 167 0.4884 -0.67 0.4
--.MAB1.Z. 1998-03-27T23:53:00.18 10.0 undecidable manual SG 179 0.3996 0.15 0.8
--.SMB1.Z. 1998-03-27T23:52:56.70 10.0 undecidable manual SG 147 0.3108 -0.03 0.8
--.VTB1.Z. 1998-03-27T23:52:54.55 10.0 undecidable manual PG 167 0.4884 -0.54 1.3
--.PSB1.Z. 1998-03-27T23:52:54.91 10.0 undecidable manual PG 151 0.4995 -0.37 1.5
--.MAB1.Z. 1998-03-27T23:52:53.78 10.0 undecidable manual PG 179 0.3996 0.4 1.6
--.SMB1.Z. 1998-03-27T23:52:52.48 10.0 undecidable manual PG 147 0.3108 1 0.7
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