Earthquake with magnitude of Md 2.3 on date 05-01-1988 and time 17:46:10 (Italy) in region 3 km SE Monteleone di Spoleto (PG)

A magnitude Md 2.3 earthquake occured in region: 3 km SE Monteleone di Spoleto (PG), on

  • 05-01-1988 16:46:10 (UTC)
  • 05-01-1988 17:46:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6300, 12.9700 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
Monteleone di Spoleto PG 3 599 599
Leonessa RI 8 2435 3034
Poggiodomo PG 10 117 3151
Cascia PG 11 3217 6368
Polino TR 11 233 6601
Scheggino PG 15 461 7062
Ferentillo TR 15 1913 8975
Rivodutri RI 16 1253 10228
Poggio Bustone RI 16 2055 12283
Cittareale RI 16 482 12765
Posta RI 16 694 13459
Sant'Anatolia di Narco PG 16 564 14023
Morro Reatino RI 16 373 14396
Montefranco TR 17 1276 15672
Arrone TR 17 2763 18435
Vallo di Nera PG 18 364 18799
Labro RI 18 374 19173
Borbona RI 19 617 19790
Cantalice RI 19 2755 22545

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Terni (111501 inhabitants)
42 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
60 Km W of Teramo (54892 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
73 Km N of Guidonia Montecelio (88673 inhabitants)
75 Km E of Viterbo (67173 inhabitants)
75 Km N of Tivoli (56533 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
98 Km W of Montesilvano (53738 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 2.3
ML-VAX 1.7
1988-01-05
16:46:10
42.63 12.97 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 60499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-01-05 16:46:10 ± 0.228
Latitude 42.6300 ± 0.0135
Longitude 12.9700 ± 0.0233
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 60499

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) 2425.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00996
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 60499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:57:42

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 60499
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
--.SDI.Z. 1988-01-05T16:46:49.90 10.0 undecidable manual SN 145 1.11 0.95 0.2
--.ARV.Z. 1988-01-05T16:46:40.50 10.0 undecidable manual SG 358 0.8658 -0.93 0.2
--.SDI.Z. 1988-01-05T16:46:33.25 10.0 undecidable manual PN 145 1.11 0.47 1
--.CM8.Z. 1988-01-05T16:46:32.81 10.0 undecidable manual SG 12 0.5772 0.69 0.6
--.ARV.Z. 1988-01-05T16:46:29.50 10.0 undecidable manual PG 358 0.8658 0.61 1
--.ASS.Z. 1988-01-05T16:46:28.65 10.0 undecidable manual SG 331 0.4884 -0.66 0.4
--.ALP.Z. 1988-01-05T16:46:27.00 10.0 undecidable manual SG 70 0.4551 -1.43 0.1
--.MNS.Z. 1988-01-05T16:46:23.15 10.0 undecidable manual SG 220 0.3219 -0.18 0.7
--.CM8.Z. 1988-01-05T16:46:23.72 10.0 undecidable manual PG 12 0.5772 0.66 2.2
--.ALP.Z. 1988-01-05T16:46:20.65 10.0 undecidable manual PG 70 0.4551 -0.29 3.2
--.ASS.Z. 1988-01-05T16:46:20.77 10.0 undecidable manual PG 331 0.4884 -0.67 1.1
--.MNS.Z. 1988-01-05T16:46:17.52 10.0 undecidable manual PG 220 0.3219 -0.46 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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