Earthquake with magnitude of Md 2.6 on date 19-11-1988 and time 23:25:30 (Italy) in region 3 km NE Polino (TR)

A magnitude Md 2.6 earthquake occured in region: 3 km NE Polino (TR), on

  • 19-11-1988 22:25:30 (UTC)
  • 19-11-1988 23:25:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6, 12.87 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
Polino TR 3 233 233
Ferentillo TR 7 1913 2146
Arrone TR 8 2763 4909
Montefranco TR 8 1276 6185
Monteleone di Spoleto PG 9 599 6784
Morro Reatino RI 9 373 7157
Leonessa RI 9 2435 9592
Rivodutri RI 10 1253 10845
Labro RI 10 374 11219
Poggio Bustone RI 11 2055 13274
Scheggino PG 13 461 13735
Poggiodomo PG 13 117 13852
Colli sul Velino RI 14 533 14385
Sant'Anatolia di Narco PG 15 564 14949
Cantalice RI 15 2755 17704
Cascia PG 18 3217 20921
Spoleto PG 18 38218 59139
Greccio RI 18 1558 60697
Vallo di Nera PG 19 364 61061
Terni TR 19 111501 172562

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Terni (111501 inhabitants)
42 Km SE of Foligno (57155 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Viterbo (67173 inhabitants)
68 Km N of Guidonia Montecelio (88673 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
69 Km W of Teramo (54892 inhabitants)
71 Km N of Tivoli (56533 inhabitants)
85 Km NE of Roma (2864731 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 2.6
M 2.4
1988-11-19
22:25:30
42.6 12.87 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 81529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-11-19 22:25:30 ± 0.185
Latitude 42.60 ± 0.01
Longitude 12.87 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 81529

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) 1983.5
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 28
Number of defining phases 28
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) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.01368
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 81529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:16:41

M:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 81529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:32:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.PGD.Z. 1988-11-19T22:26:20.00 10.0 undecidable manual SN 326 0.0137 1.38 0.1
--.CRE.Z. 1988-11-19T22:26:10.00 10.0 undecidable manual SN 326 0.0109 -1.39 0.1
--.SDI.Z. 1988-11-19T22:26:10.12 10.0 undecidable manual SN 141 0.0102 0.72 0.4
--.AOI.Z. 1988-11-19T22:26:09.59 10.0 undecidable manual SN 29 0.0097 1.32 0.2
--.ARV.Z. 1988-11-19T22:26:01.50 10.0 undecidable manual SG 3 0.008 -0.77 0.4
--.RDP.Z. 1988-11-19T22:26:00.97 10.0 undecidable manual SG 187 0.0076 0.15 0.6
--.PGD.Z. 1988-11-19T22:25:59.00 10.0 undecidable manual PN 326 0.0137 0.66 0.8
--.RMP.Z. 1988-11-19T22:25:59.10 10.0 undecidable manual SG 188 0.0072 -0.09 0.7
--.CRE.Z. 1988-11-19T22:25:55.50 10.0 undecidable manual PN 326 0.0109 1.34 0.3
--.AZI.Z. 1988-11-19T22:25:55.50 10.0 undecidable manual SG 145 0.0066 -1.89 0
--.SDI.Z. 1988-11-19T22:25:53.84 10.0 undecidable manual PN 141 0.0102 0.84 0.8
--.AOI.Z. 1988-11-19T22:25:53.84 10.0 undecidable manual PN 29 0.0097 1.48 0.3
--.CIO.Z. 1988-11-19T22:25:52.62 10.0 undecidable manual SG 18 0.0056 -0.91 0.5
--.ALP.Z. 1988-11-19T22:25:50.77 10.0 undecidable manual SG 70 0.0049 -0.13 1
--.ARV.Z. 1988-11-19T22:25:48.70 10.0 undecidable manual PG 3 0.008 -0.82 1
--.AQU.Z. 1988-11-19T22:25:48.54 10.0 undecidable manual SG 122 0.0041 0.13 0.7
--.ASS.Z. 1988-11-19T22:25:48.82 10.0 undecidable manual SG 340 0.0044 -0.25 0.6
--.SS8.Z. 1988-11-19T22:25:48.90 10.0 undecidable manual SG 33 0.0043 -0.09 1
--.RDP.Z. 1988-11-19T22:25:47.58 10.0 undecidable manual PG 187 0.0076 -0.47 1.4
--.RMP.Z. 1988-11-19T22:25:46.70 10.0 undecidable manual PG 188 0.0072 -1.04 0.7
--.AZI.Z. 1988-11-19T22:25:45.50 10.0 undecidable manual PG 145 0.0066 -0.57 1.3
--.CIO.Z. 1988-11-19T22:25:42.94 10.0 positive manual PG 18 0.0056 -0.91 1.8
--.ALP.Z. 1988-11-19T22:25:42.10 10.0 undecidable manual PG 70 0.0049 -0.23 3.2
--.AQU.Z. 1988-11-19T22:25:42.19 10.0 undecidable manual PG 122 0.0041 1.3 0.5
--.ASS.Z. 1988-11-19T22:25:41.60 10.0 positive manual PG 340 0.0044 -0.21 3.2
--.SS8.Z. 1988-11-19T22:25:41.20 10.0 undecidable manual PG 33 0.0043 -0.02 3.3
--.MNS.Z. 1988-11-19T22:25:39.51 10.0 undecidable manual SG 212 0.0023 -1.2 0.2
--.MNS.Z. 1988-11-19T22:25:37.00 10.0 positive manual PG 212 0.0023 0.55 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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