Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 01-03-1993 and time 09:56:01 (UTC) in region 1 km SE Rionero Sannitico (IS)

A magnitude Md 2.4 earthquake occured in region: 1 km SE Rionero Sannitico (IS), on

  • 01-03-1993 09:56:01 (UTC)
  • 01-03-1993 10:56:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7090, 14.1440 at 7 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
Rionero Sannitico IS 1 1118 1118
Forlì del Sannio IS 4 675 1793
Acquaviva d'Isernia IS 4 425 2218
Montenero Val Cocchiara IS 6 538 2756
Cerro al Volturno IS 7 1281 4037
Roccasicura IS 7 550 4587
Castel San Vincenzo IS 9 516 5103
Castel di Sangro AQ 9 6538 11641
Alfedena AQ 10 864 12505
San Pietro Avellana IS 10 503 13008
Scontrone AQ 10 574 13582
Pizzone IS 10 329 13911
Rocchetta a Volturno IS 11 1113 15024
Miranda IS 11 1047 16071
Fornelli IS 11 1909 17980
Vastogirardi IS 12 704 18684
Colli a Volturno IS 13 1349 20033
Scapoli IS 13 680 20713
Carovilli IS 13 1359 22072
Barrea AQ 14 726 22798
Isernia IS 15 21842 44640
Pesche IS 16 1661 46301
Montaquila IS 16 2456 48757
Roccaraso AQ 16 1627 50384
Macchia d'Isernia IS 16 1035 51419
Pescolanciano IS 16 855 52274
Ateleta AQ 17 1181 53455
Capracotta IS 17 903 54358
Sessano del Molise IS 18 727 55085
Castel del Giudice IS 18 346 55431
Civitella Alfedena AQ 18 296 55727
Pettoranello del Molise IS 19 460 56187
Rivisondoli AQ 19 700 56887
Villetta Barrea AQ 19 653 57540
Sant'Agapito IS 19 1496 59036
Filignano IS 20 648 59684
Carpinone IS 20 1157 60841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km S of Chieti (51815 inhabitants)
72 Km N of Caserta (76326 inhabitants)
82 Km N of Aversa (53047 inhabitants)
84 Km NW of Benevento (60091 inhabitants)
84 Km S of Pescara (121014 inhabitants)
87 Km N of Giugliano in Campania (122974 inhabitants)
87 Km N of Acerra (59573 inhabitants)
89 Km N of Afragola (65057 inhabitants)
90 Km S of Montesilvano (53738 inhabitants)
90 Km N of Casoria (77642 inhabitants)
90 Km N of Marano di Napoli (59874 inhabitants)
94 Km SE of L'Aquila (69753 inhabitants)
96 Km N of Pozzuoli (81661 inhabitants)
97 Km N of Napoli (974074 inhabitants)
100 Km N of Portici (55274 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 2.4
ML-VAX 2.2 		1993-03-01
09:56:01		 41.709 14.144 7 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 180979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-03-01 09:56:01 ± 0.291
Latitude 41.7090 ± 0.0233
Longitude 14.1440 ± 0.0184
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 180979

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) 3005.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00761
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 180979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:49:47

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 180979
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
--.AQU.Z. 1993-03-01T09:56:31.33 10.0 undecidable manual SG 319 0.8436 0.59 0.3
--.MSC.Z. 1993-03-01T09:56:22.90 10.0 undecidable manual SG! 194 0.5328 2.28 0
--.AQU.Z. 1993-03-01T09:56:17.95 10.0 undecidable manual PG 319 0.8436 -0.23 1.2
--.SGG.Z. 1993-03-01T09:56:16.50 10.0 undecidable manual SG 151 0.3552 1.21 0.1
--.RFI.Z. 1993-03-01T09:56:15.42 10.0 undecidable manual SG 196 0.4218 -1.73 0
--.MSC.Z. 1993-03-01T09:56:13.00 10.0 undecidable manual PG 194 0.5328 0.66 1
--.DUI.Z. 1993-03-01T09:56:10.56 10.0 undecidable manual SG 102 0.2331 0.01 0.7
--.SGG.Z. 1993-03-01T09:56:10.00 10.0 undecidable manual PG 151 0.3552 0.75 1
--.SDI.Z. 1993-03-01T09:56:10.89 10.0 undecidable manual SG 270 0.2442 -0.01 0.7
--.RFI.Z. 1993-03-01T09:56:09.71 10.0 undecidable manual PG 196 0.4218 -0.63 1.2
--.SDI.Z. 1993-03-01T09:56:06.82 10.0 positive manual PG 270 0.2442 0.1 3.7
--.DUI.Z. 1993-03-01T09:56:05.77 10.0 undecidable manual PG 102 0.2331 -0.75 1
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