Earthquake with magnitude of ML 1.5 on date 18-05-2014 and time 20:04:04 (Italy) in region 2 km S Ortonovo (SP)

A magnitude ML 1.5 earthquake occured in region: 2 km S Ortonovo (SP), on

  • 18-05-2014 18:04:04 (UTC)
  • 18-05-2014 20:04:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0690, 10.0460 at 7 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 2 8277 8277
Castelnuovo Magra SP 4 8415 16692
Carrara MS 4 63133 79825
Ameglia SP 7 4365 84190
Fosdinovo MS 8 4883 89073
Sarzana SP 8 21976 111049
Massa MS 9 69479 180528
Lerici SP 11 10228 190756
Montignoso MS 12 10323 201079
Arcola SP 12 10607 211686
Santo Stefano di Magra SP 15 9360 221046
Vezzano Ligure SP 15 7356 228402
Forte dei Marmi LU 16 7510 235912
Portovenere SP 17 3630 239542
Aulla MS 17 11263 250805
Seravezza LU 17 13073 263878
Minucciano LU 17 2102 265980
Podenzana MS 17 2180 268160
La Spezia SP 18 93959 362119
Bolano SP 18 7813 369932
Follo SP 18 6337 376269
Casola in Lunigiana MS 18 988 377257
Pietrasanta LU 19 24007 401264
Vagli Sotto LU 20 939 402203
Fivizzano MS 20 7925 410128

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km W of Carrara (63133 inhabitants)
9 Km W of Massa (69479 inhabitants)
18 Km E of La Spezia (93959 inhabitants)
28 Km NW of Viareggio (62467 inhabitants)
44 Km NW of Lucca (89046 inhabitants)
49 Km NW of Pisa (89158 inhabitants)
61 Km NW of Livorno (159219 inhabitants)
71 Km W of Pistoia (90315 inhabitants)
84 Km SW of Reggio nell'Emilia (171345 inhabitants)
85 Km S of Parma (192836 inhabitants)
87 Km W of Prato (191150 inhabitants)
95 Km SW of Modena (184973 inhabitants)
97 Km E of Genova (586655 inhabitants)
97 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
ML 1.5 2014-05-18
18:04:04
44.0692 10.0458 7 2015-09-21
09:36:50
Bollettino Sismico Italiano INGV 9863021
Reviewed
Rev100
ML 1.5 2014-05-18
18:04:04
44.0582 10.0558 5 2014-10-21
12:08:56
Sala Sismica INGV-Roma 6523011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-05-18 18:04:04 ± 0.12
Latitude 44.0692 ± 0.0081
Longitude 10.0458 ± 0.0063
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 9863021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 836
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.12321
Epicentral distance of station farthest from the epicenter (degree) 0.51171
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 6523011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-05-18 18:10:12

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 9863021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-11-24 09:18:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2014-05-18T18:04:22.99 0.3 undecidable manual S 92 56.7987 50 0.19 70
GU.GRAM.HHE. 2014-05-18T18:04:20.07 0.3 undecidable manual S 2 46.8198 50 -0.08 73
GU.MAIM.HHZ. 2014-05-18T18:04:17.59 0.3 undecidable manual S 116 39.5271 50 -0.6 65
GU.CARD.HHZ. 2014-05-18T18:04:16.27 0.3 undecidable manual S 98 35.1426 102 -0.54 68
GU.SARM.HHZ. 2014-05-18T18:04:15.18 0.3 undecidable manual S 66 31.0467 103 -0.23 73
GU.POPM.HHZ. 2014-05-18T18:04:15.33 0.1 undecidable manual P 92 56.7987 50 0.32 91
IV.MSSA.HHE. 2014-05-18T18:04:13.67 0.1 undecidable manual P 303 50.2164 50 -0.32 92
GU.GRAM.HHE. 2014-05-18T18:04:13.70 1.0 undecidable manual P 2 46.8198 50 0.22 24
GU.MAIM.HHZ. 2014-05-18T18:04:12.60 0.1 undecidable manual P 116 39.5271 50 0.26 96
GU.SARM.HHZ. 2014-05-18T18:04:11.03 0.1 undecidable manual P 66 31.0467 103 0.29 96
GU.CARD.HHZ. 2014-05-18T18:04:11.87 0.3 undecidable manual P 98 35.1426 102 0.32 71
IV.PLMA.HHZ. 2014-05-18T18:04:10.06 0.3 undecidable manual S 262 15.4734 115 -0.24 75
GU.EQUI.HHZ. 2014-05-18T18:04:09.54 0.3 undecidable manual S 38 13.6752 118 -0.22 76
IV.PLMA.HHZ. 2014-05-18T18:04:08.00 0.3 undecidable manual P 262 15.4734 115 0.21 75
GU.EQUI.HHZ. 2014-05-18T18:04:07.73 0.1 positive manual P 38 13.6752 118 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CARD.HHE. ML:1.6 0.000187 0.14 AML other m 2014-05-18T18:04:16.48
GU.CARD.HHN. ML:1.7 0.0001965 0.84 AML other m 2014-05-18T18:04:16.85
GU.EQUI.HHE. ML:1.5 0.000376 0.28 AML other m 2014-05-18T18:04:10.07
GU.EQUI.HHN. ML:1.3 0.000208 0.96 AML other m 2014-05-18T18:04:09.90
GU.POPM.HHN. ML:1.6 0.00008815 0.14 AML other m 2014-05-18T18:04:23.63
GU.POPM.HHE. ML:1.5 0.00007045 0.16 AML other m 2014-05-18T18:04:23.96
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