Earthquake with magnitude of Md 2.4 on date 10-07-1993 and time 06:49:19 (Italy) in region 3 km E Borbona (RI)

A magnitude Md 2.4 earthquake occured in region: 3 km E Borbona (RI), on

  • 10-07-1993 04:49:19 (UTC)
  • 10-07-1993 06:49:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5200, 13.1660 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
Borbona RI 3 617 617
Posta RI 6 694 1311
Montereale AQ 7 2581 3892
Cagnano Amiterno AQ 8 1369 5261
Cittareale RI 11 482 5743
Capitignano AQ 11 665 6408
Micigliano RI 12 127 6535
Barete AQ 12 737 7272
Antrodoco RI 13 2588 9860
Pizzoli AQ 14 4326 14186
Borgo Velino RI 15 972 15158
Amatrice RI 16 2657 17815
Leonessa RI 17 2435 20250
Campotosto AQ 17 542 20792
Castel Sant'Angelo RI 18 1308 22100
Scoppito AQ 18 3727 25827

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
47 Km W of Teramo (54892 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
84 Km W of Chieti (51815 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
91 Km SE of Perugia (166134 inhabitants)
98 Km NE of Velletri (53303 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 1.9
1993-07-10
04:49:19
42.52 13.166 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 190419
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-07-10 04:49:19 ± 0.25
Latitude 42.5200 ± 0.0182
Longitude 13.1660 ± 0.0229
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 190419

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) 2759.7
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 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00890
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 190419
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:58:49

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 190419
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
--.ARV.Z. 1993-07-10T04:49:52.89 10.0 undecidable manual SG 350 0.9879 -0.18 0.4
--.ASS.Z. 1993-07-10T04:49:42.10 10.0 undecidable manual SG 325 0.6549 -0.42 0.4
--.ARV.Z. 1993-07-10T04:49:40.35 10.0 undecidable manual PG 350 0.9879 1.53 0.2
--.MNS.Z. 1993-07-10T04:49:34.20 10.0 undecidable manual SG 249 0.3774 0.67 0.4
--.ASS.Z. 1993-07-10T04:49:31.95 10.0 undecidable manual PG 325 0.6549 -0.72 0.7
--.AQU.Z. 1993-07-10T04:49:29.21 10.0 undecidable manual SG 133 0.2331 0.22 0.7
--.MNS.Z. 1993-07-10T04:49:27.50 10.0 undecidable manual PG 249 0.3774 -0.04 1.8
--.AQU.Z. 1993-07-10T04:49:24.76 10.0 positive manual PG 133 0.2331 -0.15 3.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download