Earthquake with magnitude of Md 2.0 on date 06-03-1988 and time 07:39:28 (Italy) in region 4 km W Visso (MC)

A magnitude Md 2.0 earthquake occured in region: 4 km W Visso (MC), on

  • 06-03-1988 06:39:28 (UTC)
  • 06-03-1988 07:39:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.92, 13.04 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
Visso MC 4 1107 1107
Preci PG 4 724 1831
Ussita MC 9 444 2275
Monte Cavallo MC 9 145 2420
Sellano PG 10 1079 3499
Castelsantangelo sul Nera MC 10 281 3780
Fiordimonte MC 14 202 3982
Pieve Torina MC 14 1458 5440
Norcia PG 15 4957 10397
Cerreto di Spoleto PG 15 1075 11472
Fiastra MC 16 559 12031
Pievebovigliana MC 17 866 12897
Acquacanina MC 17 121 13018
Bolognola MC 18 142 13160
Muccia MC 18 915 14075
Serravalle di Chienti MC 19 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 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 2.0 1988-03-06
06:39:28
42.92 13.04 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 64069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-03-06 06:39:28 ± 0.137
Latitude 42.92 ± 0.01
Longitude 13.04 ± 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 64069

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) 1182
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00518
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

Field Value
Value 2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 64069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:00:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ARV.Z. 1988-03-06T06:39:49.80 10.0 undecidable manual SG 353 0.0052 0.34 0.2
--.ALP.Z. 1988-03-06T06:39:43.75 10.0 undecidable manual SG 109 0.0036 0.52 0.1
--.ARV.Z. 1988-03-06T06:39:40.28 10.0 undecidable manual PG 353 0.0052 0.26 0.8
--.ASS.Z. 1988-03-06T06:39:40.00 10.0 undecidable manual SG 297 0.0028 -0.18 0.6
--.CM8.Z. 1988-03-06T06:39:38.85 10.0 undecidable manual SG 15 0.0025 -0.35 0.3
--.ALP.Z. 1988-03-06T06:39:36.64 10.0 undecidable manual PG 109 0.0036 -0.2 1.3
--.ASS.Z. 1988-03-06T06:39:35.11 10.0 undecidable manual PG 297 0.0028 0.03 2.1
--.SS8.Z. 1988-03-06T06:39:35.38 10.0 undecidable manual SG 58 0.0015 0.05 0.8
--.CM8.Z. 1988-03-06T06:39:34.40 10.0 undecidable manual PG 15 0.0025 -0.11 1.9
--.SS8.Z. 1988-03-06T06:39:32.14 10.0 undecidable manual PG 58 0.0015 -0.13 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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