Earthquake with magnitude of Md 2.4 on date 03-08-1988 and time 02:17:48 (UTC) in region 3 km W Preci (PG)

A magnitude Md 2.4 earthquake occured in region: 3 km W Preci (PG), on

  • 03-08-1988 02:17:48 (UTC)
  • 03-08-1988 04:17:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8880, 13.0070 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
Preci PG 3 724 724
Sellano PG 6 1079 1803
Visso MC 8 1107 2910
Cerreto di Spoleto PG 11 1075 3985
Monte Cavallo MC 12 145 4130
Castelsantangelo sul Nera MC 12 281 4411
Ussita MC 13 444 4855
Norcia PG 13 4957 9812
Vallo di Nera PG 18 364 10176
Pieve Torina MC 18 1458 11634
Fiordimonte MC 18 202 11836
Cascia PG 19 3217 15053

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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 1988-08-03
02:17:48
42.888 13.007 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 74639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-08-03 02:17:48 ± 0.095
Latitude 42.8880 ± 0.0063
Longitude 13.0070 ± 0.0074
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 74639

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) 925.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.00550
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 74639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:10:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1988-08-03T02:18:10.31 10.0 undecidable manual SG 355 0.6105 0.67 0
--.MNS.Z. 1988-08-03T02:18:08.28 10.0 undecidable manual SG 205 0.5439 0.42 0
--.ALP.Z. 1988-08-03T02:18:04.10 10.0 undecidable manual SG 104 0.4218 0.41 0.1
--.CM8.Z. 1988-08-03T02:18:00.16 10.0 undecidable manual SG 18 0.3108 -0.18 0.5
--.ARV.Z. 1988-08-03T02:18:00.48 10.0 undecidable manual PG 355 0.6105 -0.04 1
--.ASS.Z. 1988-08-03T02:17:59.99 10.0 undecidable manual SG 304 0.3108 -0.03 0.5
--.MNS.Z. 1988-08-03T02:17:59.34 10.0 negative manual PG 205 0.5439 -0.16 1.5
--.SS8.Z. 1988-08-03T02:17:56.52 10.0 undecidable manual SG 53 0.1998 0.05 0.7
--.ALP.Z. 1988-08-03T02:17:56.98 10.0 undecidable manual PG 104 0.4218 -0.05 1.2
--.ASS.Z. 1988-08-03T02:17:54.96 10.0 negative manual PG 304 0.3108 -0.01 2.5
--.CM8.Z. 1988-08-03T02:17:54.99 10.0 positive manual PG 18 0.3108 -0.16 1.8
--.SS8.Z. 1988-08-03T02:17:52.81 10.0 positive manual PG 53 0.1998 -0.11 2.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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