Earthquake with magnitude of Md 2.3 on date 03-10-1988 and time 15:13:11 (Italy) in region 6 km S Castelsantangelo sul Nera (MC)

A magnitude Md 2.3 earthquake occured in region: 6 km S Castelsantangelo sul Nera (MC), on

  • 03-10-1988 14:13:11 (UTC)
  • 03-10-1988 15:13:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.84, 13.14 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
Castelsantangelo sul Nera MC 6 281 281
Norcia PG 7 4957 5238
Preci PG 9 724 5962
Visso MC 11 1107 7069
Ussita MC 12 444 7513
Arquata del Tronto AP 15 1178 8691
Montegallo AP 16 523 9214
Montemonaco AP 17 604 9818
Cascia PG 17 3217 13035
Sellano PG 18 1079 14114
Cerreto di Spoleto PG 18 1075 15189
Accumoli RI 19 667 15856
Bolognola MC 19 142 15998
Montefortino FM 20 1178 17176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
97 Km W of Pescara (121014 inhabitants)
100 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km NW of Chieti (51815 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 2.3
ML-VAX 1.8
1988-10-03
14:13:11
42.84 13.14 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 78199
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-03 14:13:11 ± 0.196
Latitude 42.84 ± 0.01
Longitude 13.14 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 78199

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) 1951.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00154
Epicentral distance of station farthest from the epicenter (degree) 0.00696
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 78199
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:13:34

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 78199
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. 1988-10-03T14:13:35.16 10.0 undecidable manual SG 347 0.006 0.54 0.3
--.MNS.Z. 1988-10-03T14:13:31.83 10.0 undecidable manual SG 216 0.0051 0.54 0.4
--.AQU.Z. 1988-10-03T14:13:29.86 10.0 undecidable manual SG 158 0.0047 -0.04 0.5
--.MC8.Z. 1988-10-03T14:13:28.25 10.0 undecidable manual SG 24 0.0045 -0.7 0.3
--.AM8.Z. 1988-10-03T14:13:27.50 10.0 undecidable manual PG 25 0.007 0.75 0.6
--.ASS.Z. 1988-10-03T14:13:26.80 10.0 undecidable manual SG 301 0.0037 0.3 0.5
--.ARV.Z. 1988-10-03T14:13:24.26 10.0 negative manual PG 347 0.006 -0.43 1.8
--.ALP.Z. 1988-10-03T14:13:24.50 10.0 undecidable manual SG 101 0.0028 0.74 0.5
--.CM8.Z. 1988-10-03T14:13:24.50 10.0 undecidable manual SG 0 0.0032 0.13 0.8
--.MNS.Z. 1988-10-03T14:13:23.40 10.0 negative manual PG 216 0.0051 0.27 2.3
--.AQU.Z. 1988-10-03T14:13:20.58 10.0 undecidable manual PG 158 0.0047 -1.39 0.2
--.ASS.Z. 1988-10-03T14:13:20.33 10.0 undecidable manual PG 301 0.0037 0.32 1.2
--.SS8.Z. 1988-10-03T14:13:19.38 10.0 undecidable manual SG 21 0.0015 0.62 0.6
--.MC8.Z. 1988-10-03T14:13:19.54 10.0 undecidable manual PG 24 0.0045 -1.89 0
--.ALP.Z. 1988-10-03T14:13:18.50 10.0 negative manual PG 101 0.0028 0.33 2.4
--.CM8.Z. 1988-10-03T14:13:18.60 10.0 positive manual PG 0 0.0032 -0.18 2.6
--.SS8.Z. 1988-10-03T14:13:16.80 10.0 positive manual PG 21 0.0015 0.54 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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