Earthquake with magnitude of ML 1.4 on date 21-03-2024 and time 21:38:07 (Italy) in region 6 km E Pontinia (LT)

A magnitude ML 1.4 earthquake occured in region: 6 km E Pontinia (LT), on

  • 21-03-2024 20:38:07 (UTC)
  • 21-03-2024 21:38:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4260, 13.1120 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Pontinia LT 6 14920 14920
Priverno LT 8 14525 29445
Sezze LT 9 24894 54339
Roccasecca dei Volsci LT 10 1146 55485
Sonnino LT 11 7520 63005
Roccagorga LT 12 4591 67596
Maenza LT 12 3074 70670
Bassiano LT 15 1583 72253
Sabaudia LT 16 20432 92685
Prossedi LT 16 1202 93887
Sermoneta LT 17 9842 103729
Latina LT 18 125985 229714
Terracina LT 19 46039 275753
Giuliano di Roma FR 19 2400 278153
Amaseno FR 19 4368 282521
Villa Santo Stefano FR 20 1720 284241
Carpineto Romano RM 20 4524 288765

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Latina (125985 inhabitants)
40 Km SE of Velletri (53303 inhabitants)
40 Km E of Anzio (54211 inhabitants)
43 Km E of Aprilia (73446 inhabitants)
58 Km E of Pomezia (62966 inhabitants)
65 Km SE of Tivoli (56533 inhabitants)
72 Km SE of Guidonia Montecelio (88673 inhabitants)
74 Km SE of Roma (2864731 inhabitants)
82 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
Reviewed
Rev100
ML 1.4 2024-03-21
20:38:07
41.426 13.1117 8 2024-03-21
20:42:23
Sala Sismica INGV-Roma 126039351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-21 20:38:07 ± 0.38
Latitude 41.4260 ± 0.0225
Longitude 13.1117 ± 0.0132
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126039351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2524
Semi-minor axis of confidence ellipse (meter) 893
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) 2520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
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) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.53510
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 126039351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-21 20:42:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2024-03-21T20:38:27.14 0.3 undecidable manual S 57 59.3961 50 0.79 57
IV.CERT.HHZ. 2024-03-21T20:38:26.09 0.6 undecidable manual S 350 58.9965 50 -0.16 46
IV.POFI.HHZ. 2024-03-21T20:38:18.25 0.1 undecidable manual P 57 59.3961 50 -0.07 93
IV.CERT.HHZ. 2024-03-21T20:38:17.66 1.0 positive manual P 350 58.9965 50 -0.6 20
IV.LRP.EHZ. 2024-03-21T20:38:15.94 0.1 undecidable manual P 58 46.4202 50 -0.39 89
IV.GIUL.HHZ. 2024-03-21T20:38:14.40 0.6 undecidable manual S 39 18.87 113 -0.05 50
IV.LATB.EHZ. 2024-03-21T20:38:13.06 0.6 undecidable manual S 301 14.4744 119 -0.02 51
IV.GIUL.HHZ. 2024-03-21T20:38:11.36 0.1 negative manual P 39 18.87 113 -0.09 100
IV.LATB.EHZ. 2024-03-21T20:38:10.94 0.1 undecidable manual P 301 14.4744 119 0.28 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIUL.HNE. ML:1.7 0.000373 0.52 AML other m 2024-03-21T20:38:15.62
IV.GIUL.HNN. ML:1.7 0.00040449999999999997 0.38 AML other m 2024-03-21T20:38:15.43
IV.GIUL.HHN. ML:1.7 0.00038700000000000003 0.38 AML other m 2024-03-21T20:38:15.43
IV.GIUL.HHE. ML:1.7 0.0003875 0.5 AML other m 2024-03-21T20:38:15.62
IV.LATB.EHN. ML:0.8 0.00006685000000000001 0.48 AML other m 2024-03-21T20:38:16.02
IV.LATB.EHE. ML:0.9 0.0000883 0.88 AML other m 2024-03-21T20:38:16.38
IV.CERT.HHE. ML:1.4 0.000060100000000000004 0.5 AML other m 2024-03-21T20:38:27.36
IV.CERT.HHN. ML:1.3 0.00003965 0.56 AML other m 2024-03-21T20:38:28.12
IV.POFI.HHE. ML:1.0 0.000021850000000000003 0.42 AML other m 2024-03-21T20:38:29.76
IV.POFI.HHN. ML:1.1 0.00002365 0.64 AML other m 2024-03-21T20:38:32.28
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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