Earthquake with magnitude of Md 2.5 on date 14-07-1988 and time 22:15:45 (UTC) in region 6 km E Cerreto di Spoleto (PG)

A magnitude Md 2.5 earthquake occured in region: 6 km E Cerreto di Spoleto (PG), on

  • 14-07-1988 22:15:45 (UTC)
  • 15-07-1988 00:15:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8070, 12.9890 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 6 1075 1075
Norcia PG 9 4957 6032
Preci PG 9 724 6756
Cascia PG 10 3217 9973
Sellano PG 11 1079 11052
Vallo di Nera PG 11 364 11416
Poggiodomo PG 11 117 11533
Sant'Anatolia di Narco PG 15 564 12097
Visso MC 16 1107 13204
Scheggino PG 17 461 13665
Castelsantangelo sul Nera MC 17 281 13946
Campello sul Clitunno PG 17 2442 16388
Monteleone di Spoleto PG 18 599 16987
Ussita MC 20 444 17431

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
59 Km SE of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
61 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
100 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 2.5
ML-VAX 1.9
1988-07-14
22:15:45
42.807 12.989 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 73439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-14 22:15:45 ± 0.163
Latitude 42.8070 ± 0.0077
Longitude 12.9890 ± 0.0139
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 73439

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) 1423.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
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) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01125
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 73439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:09:24

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 73439
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
--.CP9.Z. 1988-07-14T22:16:18.98 10.0 undecidable manual SG 181 0.9435 0.11 0.5
--.AZI.Z. 1988-07-14T22:16:17.00 10.0 undecidable manual SG 158 0.8769 0.11 0.5
--.ARV.Z. 1988-07-14T22:16:10.96 10.0 undecidable manual SG 357 0.6882 0.18 0.6
--.SDI.Z. 1988-07-14T22:16:10.94 10.0 undecidable manual PN 150 1.2543 1.22 0.2
--.AZI.Z. 1988-07-14T22:16:05.21 10.0 undecidable manual PG 158 0.8769 1.52 0.1
--.CP9.Z. 1988-07-14T22:16:04.49 10.0 undecidable manual PG 181 0.9435 -0.34 1.1
--.MNS.Z. 1988-07-14T22:16:02.89 10.0 undecidable manual SG 208 0.4773 -1.02 0.2
--.CM8.Z. 1988-07-14T22:16:01.17 10.0 undecidable manual SG 16 0.3996 -0.16 1
--.ALP.Z. 1988-07-14T22:16:01.43 10.0 undecidable manual SG 93 0.4218 -0.69 0.6
--.ASS.Z. 1988-07-14T22:15:59.71 10.0 undecidable manual SG 316 0.3552 0.25 0.6
--.ARV.Z. 1988-07-14T22:15:59.88 10.0 undecidable manual PG 357 0.6882 -0.28 1.4
--.SS8.Z. 1988-07-14T22:15:56.71 10.0 undecidable manual SG 41 0.2553 0.61 0.6
--.MNS.Z. 1988-07-14T22:15:55.71 10.0 positive manual PG 208 0.4773 -0.49 2.4
--.CM8.Z. 1988-07-14T22:15:54.47 10.0 undecidable manual PG 16 0.3996 -0.24 1.5
--.ALP.Z. 1988-07-14T22:15:54.72 10.0 positive manual PG 93 0.4218 -0.45 2.6
--.ASS.Z. 1988-07-14T22:15:53.89 10.0 undecidable manual PG 316 0.3552 0.26 1.5
--.SS8.Z. 1988-07-14T22:15:51.77 10.0 undecidable manual PG 41 0.2553 0.08 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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