Earthquake with magnitude of Md 2.4 on date 08-06-1988 and time 05:02:31 (Italy) in region 3 km SE Cerreto di Spoleto (PG)

A magnitude Md 2.4 earthquake occured in region: 3 km SE Cerreto di Spoleto (PG), on

  • 08-06-1988 03:02:31 (UTC)
  • 08-06-1988 05:02:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8000, 12.9380 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
Cerreto di Spoleto PG 3 1075 1075
Vallo di Nera PG 7 364 1439
Poggiodomo PG 10 117 1556
Sellano PG 10 1079 2635
Cascia PG 11 3217 5852
Sant'Anatolia di Narco PG 11 564 6416
Preci PG 12 724 7140
Norcia PG 13 4957 12097
Scheggino PG 13 461 12558
Campello sul Clitunno PG 13 2442 15000
Monteleone di Spoleto PG 17 599 15599
Spoleto PG 18 38218 53817
Trevi PG 18 8469 62286
Visso MC 19 1107 63393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
65 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
94 Km N of Tivoli (56533 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 1988-06-08
03:02:31
42.8 12.938 8 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 71339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-06-08 03:02:31 ± 0.255
Latitude 42.8000 ± 0.0046
Longitude 12.9380 ± 0.0065
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 71339

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) 739.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.00979
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 71339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:07:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1988-06-08T03:02:56.29 10.0 undecidable manual SG 0 0.6882 0.4 0.1
--.CRE.Z. 1988-06-08T03:02:52.50 10.0 undecidable manual PN 319 1.0878 -0.03 0.8
--.AM8.Z. 1988-06-08T03:02:49.65 10.0 undecidable manual PG 32 0.888 0.61 0
--.ALP.Z. 1988-06-08T03:02:48.17 10.0 undecidable manual SG 92 0.4551 -0.13 0.6
--.MNS.Z. 1988-06-08T03:02:48.11 10.0 undecidable manual SG 204 0.444 -0.03 0.5
--.CM8.Z. 1988-06-08T03:02:46.95 10.0 undecidable manual SG 20 0.4107 -0.08 0.7
--.ARV.Z. 1988-06-08T03:02:45.10 10.0 undecidable manual PG 0 0.6882 -0.46 0.1
--.ASS.Z. 1988-06-08T03:02:44.17 10.0 undecidable manual SG 321 0.333 -0.08 0.5
--.SS8.Z. 1988-06-08T03:02:42.96 10.0 undecidable manual SG 46 0.2997 -0.06 0.7
--.MNS.Z. 1988-06-08T03:02:41.40 10.0 undecidable manual PG 204 0.444 0.04 1.2
--.ALP.Z. 1988-06-08T03:02:41.10 10.0 negative manual PG 92 0.4551 0.01 2.5
--.CM8.Z. 1988-06-08T03:02:40.29 10.0 undecidable manual PG 20 0.4107 -0.06 2.4
--.ASS.Z. 1988-06-08T03:02:38.71 10.0 undecidable manual PG 321 0.333 -0.04 1.3
--.SS8.Z. 1988-06-08T03:02:37.96 10.0 positive manual PG 46 0.2997 -0.08 2.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
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