Earthquake with magnitude of Md 3.1 on date 08-11-1998 and time 18:40:38 (Italy) in region 7 km NE Petrella Salto (RI)

A magnitude Md 3.1 earthquake occured in region: 7 km NE Petrella Salto (RI), on

  • 08-11-1998 17:40:38 (UTC)
  • 08-11-1998 18:40:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.35, 13.1 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Petrella Salto RI 7 1197 1197
Borgo Velino RI 7 972 2169
Castel Sant'Angelo RI 7 1308 3477
Antrodoco RI 8 2588 6065
Concerviano RI 10 291 6356
Fiamignano RI 10 1413 7769
Micigliano RI 12 127 7896
Cittaducale RI 13 6828 14724
Scoppito AQ 13 3727 18451
Varco Sabino RI 14 187 18638
Longone Sabino RI 14 597 19235
Marcetelli RI 14 89 19324
Cagnano Amiterno AQ 16 1369 20693
Rocca Sinibalda RI 17 815 21508
Pescorocchiano RI 17 2075 23583
Belmonte in Sabina RI 17 636 24219
Tornimparte AQ 18 3187 27406
Borbona RI 18 617 28023
Barete AQ 19 737 28760
Castel di Tora RI 19 288 29048
Pizzoli AQ 19 4326 33374
Ascrea RI 19 234 33608
Posta RI 19 694 34302
Paganico Sabino RI 20 172 34474
Colle di Tora RI 20 372 34846

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of L'Aquila (69753 inhabitants)
44 Km SE of Terni (111501 inhabitants)
50 Km NE of Guidonia Montecelio (88673 inhabitants)
50 Km NE of Tivoli (56533 inhabitants)
60 Km SW of Teramo (54892 inhabitants)
72 Km NE of Roma (2864731 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
79 Km NE of Velletri (53303 inhabitants)
82 Km E of Viterbo (67173 inhabitants)
88 Km W of Chieti (51815 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Pomezia (62966 inhabitants)
92 Km NE of Aprilia (73446 inhabitants)
93 Km W of Pescara (121014 inhabitants)
96 Km NE of Fiumicino (78395 inhabitants)
100 Km N of Latina (125985 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
Rev 1000 Md 3.1
ML-VAX 1.9
1998-11-08
17:40:38
42.35 13.1 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 354619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-11-08 17:40:38 ± 0.124
Latitude 42.35 ± 0.01
Longitude 13.10 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 354619

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) 1197.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00194
Epicentral distance of station farthest from the epicenter (degree) 0.01554
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 354619
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:32:22

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 354619
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 Takeoff_angle Residual Weight
--.CSNT.Z. 1998-11-08T17:41:10.39 10.0 undecidable manual PN 311 0.0155 0.93 0.2
--.FB9.Z. 1998-11-08T17:41:05.35 10.0 undecidable manual PN 350 0.0122 1.02 0.2
--.NRCA.Z. 1998-11-08T17:40:57.11 10.0 undecidable manual SG 1 0.0043 -0.03 0.7
--.SNTG.Z. 1998-11-08T17:40:56.78 10.0 undecidable manual PG 352 0.0082 -0.56 0.8
--.SDI.Z. 1998-11-08T17:40:55.80 10.0 undecidable manual PG 140 0.0074 -0.11 1.5
--.ASS.Z. 1998-11-08T17:40:54.32 10.0 undecidable manual PG 335 0.007 -0.66 0.7
--.PQ9.Z. 1998-11-08T17:40:54.00 10.0 undecidable manual SG 146 0.0036 -0.29 0.6
--.RDP.Z. 1998-11-08T17:40:52.99 10.0 undecidable manual PG 205 0.0059 0.3 1.5
--.MNS.Z. 1998-11-08T17:40:51.00 10.0 undecidable manual SG 276 0.0028 0.09 0.7
--.RMP.Z. 1998-11-08T17:40:51.66 10.0 undecidable manual PG 208 0.0055 -0.24 1.6
--.AQU.Z. 1998-11-08T17:40:48.00 10.0 undecidable manual SG 89 0.0019 0.37 0.5
--.NRCA.Z. 1998-11-08T17:40:48.94 10.0 undecidable manual PG 1 0.0043 -0.46 1.2
--.PQ9.Z. 1998-11-08T17:40:47.51 10.0 undecidable manual PG 146 0.0036 -0.24 1.6
--.MNS.Z. 1998-11-08T17:40:45.58 10.0 undecidable manual PG 276 0.0028 -0.22 1.6
--.AQU.Z. 1998-11-08T17:40:44.80 10.0 undecidable manual PG 89 0.0019 0.17 1.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download