Earthquake with magnitude of Md 2.7 on date 22-04-1985 and time 01:26:28 (Italy) in region 6 km SW Morino (AQ)

A magnitude Md 2.7 earthquake occured in region: 6 km SW Morino (AQ), on

  • 21-04-1985 23:26:28 (UTC)
  • 22-04-1985 01:26:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.81, 13.43 at 10 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
Morino AQ 6 1448 1448
San Vincenzo Valle Roveto AQ 8 2347 3795
Collepardo FR 8 968 4763
Vico nel Lazio FR 9 2234 6997
Civita d'Antino AQ 9 979 7976
Guarcino FR 10 1623 9599
Balsorano AQ 11 3569 13168
Civitella Roveto AQ 12 3268 16436
Alatri FR 12 28952 45388
Filettino FR 12 565 45953
Veroli FR 14 20560 66513
Trivigliano FR 14 1705 68218
Torre Cajetani FR 14 1376 69594
Canistro AQ 14 995 70589
Collelongo AQ 15 1233 71822
Fumone FR 15 2102 73924
Trevi nel Lazio FR 16 1822 75746
Luco dei Marsi AQ 17 6079 81825
Villavallelonga AQ 17 919 82744
Capistrello AQ 17 5252 87996
Fiuggi FR 18 10536 98532
Castelliri FR 18 3454 101986
Sora FR 18 26144 128130
Trasacco AQ 18 6246 134376
Isola del Liri FR 19 11715 146091
Boville Ernica FR 19 8737 154828
Pescosolido FR 20 1555 156383

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km E of Tivoli (56533 inhabitants)
56 Km E of Velletri (53303 inhabitants)
58 Km NE of Latina (125985 inhabitants)
60 Km S of L'Aquila (69753 inhabitants)
62 Km E of Guidonia Montecelio (88673 inhabitants)
70 Km E of Aprilia (73446 inhabitants)
78 Km NE of Anzio (54211 inhabitants)
79 Km E of Pomezia (62966 inhabitants)
79 Km E of Roma (2864731 inhabitants)
85 Km SW of Chieti (51815 inhabitants)
97 Km S of Teramo (54892 inhabitants)
97 Km SW of Pescara (121014 inhabitants)
98 Km SW of Montesilvano (53738 inhabitants)
99 Km E of Fiumicino (78395 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 2.7 1985-04-21
23:26:28
41.81 13.43 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-21 23:26:28 ± 0.595
Latitude 41.81 ± 0.06
Longitude 13.43 ± 0.08
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5219

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) 9122.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.01546
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:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 5219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CM2.Z. 1985-04-21T23:27:11.00 10.0 undecidable manual SN 351 0.0125 -0.76 0.4
--.MNS.Z. 1985-04-21T23:26:58.50 10.0 undecidable manual SG? 316 0.0071 2.85 0
--.AR1.Z. 1985-04-21T23:26:58.00 10.0 undecidable manual PN 348 0.0155 0.2 1.1
--.PO9.Z. 1985-04-21T23:26:57.50 10.0 undecidable manual SG 334 0.0075 0.42 0.6
--.AS1.Z. 1985-04-21T23:26:55.00 10.0 undecidable manual PN 335 0.0123 1.96 0.2
--.CM2.Z. 1985-04-21T23:26:51.70 10.0 undecidable manual PN 351 0.0125 -1.61 0.4
--.DUI.Z. 1985-04-21T23:26:45.00 10.0 undecidable manual PG 101 0.007 1.32 0.7
--.SGG.Z. 1985-04-21T23:26:44.00 10.0 negative manual PG 121 0.0074 -0.52 2.9
--.MNS.Z. 1985-04-21T23:26:44.00 10.0 undecidable manual PG 316 0.0071 -0.01 1.6
--.PO9.Z. 1985-04-21T23:26:44.00 10.0 undecidable manual PG 334 0.0075 -0.84 1.2
--.SD1.Z. 1985-04-21T23:26:40.00 10.0 undecidable manual SG 110 0.0027 0.34 0.6
--.SD1.Z. 1985-04-21T23:26:34.10 10.0 undecidable manual PG 110 0.0027 -0.68 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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