Earthquake with magnitude of Md 2.6 on date 24-10-1998 and time 12:23:13 (Italy) in region 9 km E Amatrice (RI)

A magnitude Md 2.6 earthquake occured in region: 9 km E Amatrice (RI), on

  • 24-10-1998 10:23:13 (UTC)
  • 24-10-1998 12:23:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.66, 13.39 at 8 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
Amatrice RI 9 2657 2657
Cortino TE 11 656 3313
Campotosto AQ 11 542 3855
Accumoli RI 12 667 4522
Rocca Santa Maria TE 12 537 5059
Acquasanta Terme AP 13 2916 7975
Valle Castellana TE 13 977 8952
Crognaleto TE 15 1297 10249
Arquata del Tronto AP 15 1178 11427
Capitignano AQ 17 665 12092
Fano Adriano TE 17 296 12388
Montereale AQ 19 2581 14969
Cittareale RI 19 482 15451

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
61 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
71 Km W of Pescara (121014 inhabitants)
73 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
95 Km SE of Perugia (166134 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
ML-VAX 1.6
1998-10-24
10:23:13
42.66 13.39 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 353869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-10-24 10:23:13 ± 0.254
Latitude 42.66 ± 0.01
Longitude 13.39 ± 0.02
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 353869

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) 2311.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01004
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 353869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:31:40

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 353869
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
--.ARV.Z. 1998-10-24T10:23:46.24 10.0 undecidable manual SG 338 0.008 1.49 0
--.SNTG.Z. 1998-10-24T10:23:38.39 10.0 undecidable manual SG 331 0.0061 0.71 0.2
--.ASS.Z. 1998-10-24T10:23:37.62 10.0 undecidable manual SG 306 0.006 0.16 0.7
--.FB9.Z. 1998-10-24T10:23:35.44 10.0 undecidable manual PN 336 0.01 0.07 1.3
--.MNS.Z. 1998-10-24T10:23:34.89 10.0 undecidable manual SG 242 0.0053 0.14 0.7
--.SDI.Z. 1998-10-24T10:23:33.72 10.0 undecidable manual PG 161 0.009 0.29 1.2
--.ARV.Z. 1998-10-24T10:23:30.83 10.0 undecidable manual PG 338 0.008 -0.74 0.5
--.SNTG.Z. 1998-10-24T10:23:26.87 10.0 undecidable manual PG 331 0.0061 -0.61 0.8
--.AQU.Z. 1998-10-24T10:23:26.40 10.0 undecidable manual SG 177 0.0027 0.41 0.5
--.ASS.Z. 1998-10-24T10:23:26.93 10.0 undecidable manual PG 306 0.006 -0.43 1.2
--.MNS.Z. 1998-10-24T10:23:25.49 10.0 undecidable manual PG 242 0.0053 -0.3 1.5
--.NRCA.Z. 1998-10-24T10:23:23.98 10.0 undecidable manual SG 310 0.0023 -0.17 0.7
--.AQU.Z. 1998-10-24T10:23:20.57 10.0 undecidable manual PG 177 0.0027 0.04 1.8
--.NRCA.Z. 1998-10-24T10:23:20.00 10.0 positive manual PG 310 0.0023 0.33 2.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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