Earthquake with magnitude of Md 2.2 on date 19-04-1992 and time 16:15:34 (Italy) in region 3 km SW Ortonovo (SP)

A magnitude Md 2.2 earthquake occured in region: 3 km SW Ortonovo (SP), on

  • 19-04-1992 14:15:34 (UTC)
  • 19-04-1992 16:15:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0660, 10.0220 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
Ortonovo SP 3 8277 8277
Castelnuovo Magra SP 4 8415 16692
Ameglia SP 5 4365 21057
Carrara MS 6 63133 84190
Sarzana SP 7 21976 106166
Fosdinovo MS 8 4883 111049
Lerici SP 9 10228 121277
Massa MS 10 69479 190756
Arcola SP 11 10607 201363
Montignoso MS 14 10323 211686
Santo Stefano di Magra SP 14 9360 221046
Vezzano Ligure SP 14 7356 228402
Portovenere SP 15 3630 232032
La Spezia SP 16 93959 325991
Forte dei Marmi LU 17 7510 333501
Aulla MS 17 11263 344764
Follo SP 17 6337 351101
Bolano SP 17 7813 358914
Podenzana MS 17 2180 361094
Seravezza LU 18 13073 374167
Minucciano LU 19 2102 376269
Casola in Lunigiana MS 20 988 377257
Tresana MS 20 2044 379301

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km W of Carrara (63133 inhabitants)
10 Km W of Massa (69479 inhabitants)
16 Km E of La Spezia (93959 inhabitants)
29 Km NW of Viareggio (62467 inhabitants)
46 Km NW of Lucca (89046 inhabitants)
49 Km NW of Pisa (89158 inhabitants)
62 Km NW of Livorno (159219 inhabitants)
73 Km W of Pistoia (90315 inhabitants)
85 Km SW of Reggio nell'Emilia (171345 inhabitants)
85 Km SW of Parma (192836 inhabitants)
89 Km W of Prato (191150 inhabitants)
95 Km E of Genova (586655 inhabitants)
97 Km SW of Modena (184973 inhabitants)
99 Km W of Scandicci (50609 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 2.2
ML-VAX 1.9
1992-04-19
14:15:34
44.066 10.022 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 162649
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1992-04-19 14:15:34 ± 0.588
Latitude 44.0660 ± 0.0292
Longitude 10.0220 ± 0.0398
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 162649

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) 4543.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00364
Epicentral distance of station farthest from the epicenter (degree) 0.01546
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 162649
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:32:00

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 162649
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
--.MDI.Z. 1992-04-19T14:16:26.87 10.0 undecidable manual SN 353 1.7205 -0.04 0.5
--.MDI.Z. 1992-04-19T14:16:06.56 10.0 undecidable manual PN 353 1.7205 1.98 0.2
--.MME.Z. 1992-04-19T14:15:52.43 10.0 undecidable manual SG 75 0.4995 -0.63 0.6
--.PII.Z. 1992-04-19T14:15:52.18 10.0 undecidable manual SG 133 0.4995 -0.78 0.6
--.BDI.Z. 1992-04-19T14:15:49.86 10.0 undecidable manual SG 90 0.3996 -0.19 0.8
--.BOB.Z. 1992-04-19T14:15:49.20 10.0 undecidable manual PG 330 0.8103 -1.57 0.5
--.PII.Z. 1992-04-19T14:15:45.23 10.0 undecidable manual PG 133 0.4995 0.26 1.9
--.MME.Z. 1992-04-19T14:15:45.34 10.0 undecidable manual PG 75 0.4995 0.31 1.9
--.BDI.Z. 1992-04-19T14:15:43.32 10.0 undecidable manual PG 90 0.3996 0.03 2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download