Earthquake with magnitude of Md 2.4 on date 15-07-1988 and time 18:10:29 (Italy) in region 3 km E Cerreto di Spoleto (PG)

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

  • 15-07-1988 16:10:29 (UTC)
  • 15-07-1988 18:10:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8160, 12.9490 at 5 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
Sellano PG 8 1079 2154
Vallo di Nera PG 9 364 2518
Preci PG 10 724 3242
Poggiodomo PG 12 117 3359
Cascia PG 12 3217 6576
Norcia PG 12 4957 11533
Sant'Anatolia di Narco PG 13 564 12097
Campello sul Clitunno PG 14 2442 14539
Scheggino PG 15 461 15000
Visso MC 17 1107 16107
Trevi PG 18 8469 24576
Monteleone di Spoleto PG 18 599 25175
Castelsantangelo sul Nera MC 19 281 25456
Spoleto PG 19 38218 63674

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
64 Km W of Teramo (54892 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
96 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
ML-VAX 1.8
1988-07-15
16:10:29
42.816 12.949 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 73529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-15 16:10:29 ± 0.247
Latitude 42.8160 ± 0.0122
Longitude 12.9490 ± 0.0299
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 73529

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) 2789.7
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.01141
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 73529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:09:28

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 73529
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(km) Takeoff_angle Residual Weight
--.AZI.Z. 1988-07-15T16:11:02.20 10.0 undecidable manual SG 156 0.8991 0.78 0.3
--.SDI.Z. 1988-07-15T16:10:55.81 10.0 undecidable manual PN 149 1.2654 1.9 0.1
--.ARV.Z. 1988-07-15T16:10:54.81 10.0 undecidable manual SG 359 0.6771 0.5 0.5
--.AZI.Z. 1988-07-15T16:10:48.20 10.0 undecidable manual PG 156 0.8991 0.25 1.3
--.AM8.Z. 1988-07-15T16:10:47.90 10.0 undecidable manual PG 32 0.8769 0.52 1.1
--.MNS.Z. 1988-07-15T16:10:46.56 10.0 undecidable manual SG 204 0.4662 -1.08 0.3
--.ALP.Z. 1988-07-15T16:10:45.82 10.0 undecidable manual SG 94 0.444 -1.19 0.2
--.CM8.Z. 1988-07-15T16:10:44.89 10.0 undecidable manual SG 20 0.3996 -0.32 0.6
--.ARV.Z. 1988-07-15T16:10:44.00 10.0 undecidable manual PG 359 0.6771 0.16 1.6
--.ASS.Z. 1988-07-15T16:10:41.20 10.0 undecidable manual SG 318 0.3219 -1.1 0.3
--.MNS.Z. 1988-07-15T16:10:39.44 10.0 positive manual PG 204 0.4662 -0.55 2.6
--.ALP.Z. 1988-07-15T16:10:38.80 10.0 undecidable manual PG 94 0.444 -0.83 1
--.CM8.Z. 1988-07-15T16:10:38.30 10.0 positive manual PG 20 0.3996 -0.29 3.1
--.ASS.Z. 1988-07-15T16:10:37.69 10.0 undecidable manual PG 318 0.3219 0.79 1
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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