Earthquake with magnitude of Md 2.6 on date 05-01-1999 and time 11:40:55 (Italy) in region 3 km NE Petrella Salto (RI)

A magnitude Md 2.6 earthquake occured in region: 3 km NE Petrella Salto (RI), on

  • 05-01-1999 10:40:55 (UTC)
  • 05-01-1999 11:40:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.32, 13.08 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
Petrella Salto RI 3 1197 1197
Fiamignano RI 7 1413 2610
Concerviano RI 8 291 2901
Castel Sant'Angelo RI 9 1308 4209
Borgo Velino RI 10 972 5181
Varco Sabino RI 10 187 5368
Antrodoco RI 11 2588 7956
Marcetelli RI 11 89 8045
Longone Sabino RI 11 597 8642
Cittaducale RI 13 6828 15470
Pescorocchiano RI 14 2075 17545
Rocca Sinibalda RI 14 815 18360
Micigliano RI 15 127 18487
Scoppito AQ 15 3727 22214
Castel di Tora RI 15 288 22502
Ascrea RI 16 234 22736
Belmonte in Sabina RI 16 636 23372
Paganico Sabino RI 16 172 23544
Colle di Tora RI 17 372 23916
Collegiove RI 17 213 24129
Tornimparte AQ 18 3187 27316
Nespolo RI 18 246 27562
Torricella in Sabina RI 19 1342 28904
Borgorose RI 19 4591 33495
Cagnano Amiterno AQ 19 1369 34864

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of L'Aquila (69753 inhabitants)
45 Km SE of Terni (111501 inhabitants)
46 Km NE of Guidonia Montecelio (88673 inhabitants)
46 Km NE of Tivoli (56533 inhabitants)
63 Km SW of Teramo (54892 inhabitants)
69 Km NE of Roma (2864731 inhabitants)
75 Km NE of Velletri (53303 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
81 Km E of Viterbo (67173 inhabitants)
87 Km NE of Pomezia (62966 inhabitants)
89 Km NE of Aprilia (73446 inhabitants)
89 Km W of Chieti (51815 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Fiumicino (78395 inhabitants)
94 Km W of Pescara (121014 inhabitants)
96 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 2.6 1999-01-05
10:40:55
42.32 13.08 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 357329
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1999-01-05 10:40:55 ± 0.116
Latitude 42.32 ± 0.01
Longitude 13.08 ± 0.01
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 357329

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) 1158.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.0021
Epicentral distance of station farthest from the epicenter (degree) 0.00729
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 357329
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:34:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.NRCA.Z. 1999-01-05T10:41:13.34 10.0 undecidable manual SG 2 0.0045 -0.11 0.7
--.SDI.Z. 1999-01-05T10:41:10.88 10.0 undecidable manual PG 138 0.0073 -0.48 0.5
--.PQ9.Z. 1999-01-05T10:41:09.10 10.0 undecidable manual SG 142 0.0034 -0.25 0.6
--.MNS.Z. 1999-01-05T10:41:07.21 10.0 undecidable manual SG 282 0.0027 0.41 0.4
--.AQU.Z. 1999-01-05T10:41:05.90 10.0 undecidable manual SG 82 0.0021 0.44 0.3
--.NRCA.Z. 1999-01-05T10:41:05.50 10.0 undecidable manual PG 2 0.0045 -0.2 1.6
--.PQ9.Z. 1999-01-05T10:41:03.68 10.0 undecidable manual PG 142 0.0034 0.39 1
--.MNS.Z. 1999-01-05T10:41:01.64 10.0 undecidable manual PG 282 0.0027 -0.22 1.7
--.AQU.Z. 1999-01-05T10:41:00.52 10.0 undecidable manual PG 82 0.0021 -0.1 2.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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