Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 12-03-2022 and time 13:24:14 (UTC) in region 3 km N Lariano (RM)

A magnitude ML 1.9 earthquake occured in region: 3 km N Lariano (RM), on

  • 12-03-2022 13:24:14 (UTC)
  • 12-03-2022 14:24:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7560, 12.8270 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lariano RM 3 13432 13432
Labico RM 6 6379 19811
Rocca Priora RM 7 11962 31773
San Cesareo RM 8 15153 46926
Artena RM 8 14276 61202
Valmontone RM 8 15959 77161
Velletri RM 9 53303 130464
Zagarolo RM 9 17843 148307
Monte Compatri RM 9 11978 160285
Rocca di Papa RM 10 17034 177319
Nemi RM 10 1943 179262
Palestrina RM 11 21672 200934
Colonna RM 11 4287 205221
Cave RM 11 11287 216508
Monte Porzio Catone RM 11 8693 225201
Castel San Pietro Romano RM 12 902 226103
Rocca Massima LT 12 1136 227239
Genzano di Roma RM 12 23970 251209
Gallicano nel Lazio RM 13 6334 257543
Lanuvio RM 13 13632 271175
Frascati RM 13 22087 293262
Ariccia RM 14 19407 312669
Grottaferrata RM 14 20327 332996
Marino RM 14 43026 376022
Rocca di Cave RM 14 377 376399
Albano Laziale RM 14 41715 418114
Cori LT 15 11065 429179
Castel Gandolfo RM 15 8997 438176
Genazzano RM 15 6036 444212
Colleferro RM 15 21595 465807
Poli RM 16 2418 468225
Capranica Prenestina RM 16 351 468576
Casape RM 18 744 469320
Segni RM 18 9159 478479
Cisterna di Latina LT 18 36868 515347
San Gregorio da Sassola RM 19 1619 516966
Ciampino RM 19 38412 555378
San Vito Romano RM 19 3273 558651
Gavignano RM 20 1916 560567

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NE of Velletri (53303 inhabitants)
23 Km NE of Aprilia (73446 inhabitants)
23 Km S of Tivoli (56533 inhabitants)
28 Km S of Guidonia Montecelio (88673 inhabitants)
29 Km E of Pomezia (62966 inhabitants)
32 Km E of Roma (2864731 inhabitants)
33 Km N of Latina (125985 inhabitants)
38 Km NE of Anzio (54211 inhabitants)
49 Km E of Fiumicino (78395 inhabitants)
81 Km SW of L'Aquila (69753 inhabitants)
91 Km S of Terni (111501 inhabitants)
93 Km E of Civitavecchia (52991 inhabitants)
95 Km SE of Viterbo (67173 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 1.9 2022-03-12
13:24:14		 41.7563 12.8267 10 2022-07-08
12:34:00		 Bollettino Sismico Italiano INGV 105105791
Reviewed
Rev100 		ML 1.9 2022-03-12
13:24:14		 41.7552 12.817 10 2022-03-12
13:34:03		 Sala Sismica INGV-Roma 101906981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-12 13:24:14 ± 0.06
Latitude 41.7563 ± 0.0045
Longitude 12.8267 ± 0.0060
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105105791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 536
Semi-minor axis of confidence ellipse (meter) 501
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.66100
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.5
Num. used stations 16
Type of magnitude ML
Reference to an origin 101906981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-12 13:34:03

ML:1.9

Field Value
Value 1.9
Uncertainty 0.5
Num. used stations 16
Type of magnitude ML
Reference to an origin 105105791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-24 15:25:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HHZ. 2022-03-12T13:24:37.37 0.6 undecidable manual S 93 73.371 50 0.73 37
IV.VVLD.HHZ. 2022-03-12T13:24:35.07 0.6 undecidable manual S 79 67.0773 50 0.12 44
IV.LRP.EHN. 2022-03-12T13:24:34.96 0.6 undecidable manual S 101 64.0914 50 0.8 36
IV.PTQR.HHZ. 2022-03-12T13:24:32.54 0.6 undecidable manual S 58 55.7997 50 0.59 40
IV.GIUL.HHZ. 2022-03-12T13:24:28.30 0.6 undecidable manual S 122 41.7249 50 0.11 46
IV.GUAR.HHZ. 2022-03-12T13:24:27.67 0.6 undecidable manual S 84 40.4262 50 -0.16 46
IV.POFI.HHZ. 2022-03-12T13:24:26.99 0.3 undecidable manual P 93 73.371 50 -0.19 65
IV.VVLD.HHZ. 2022-03-12T13:24:25.80 0.3 undecidable manual P 79 67.0773 50 -0.39 63
IV.FIAM.HNN. 2022-03-12T13:24:25.31 0.3 undecidable manual P 23 61.5939 50 -0.05 68
IV.MTCE.HHZ. 2022-03-12T13:24:25.23 0.6 undecidable manual S 347 30.3474 50 0.08 48
IV.LRP.EHN. 2022-03-12T13:24:25.90 0.3 undecidable manual P 101 64.0914 50 0.16 66
IV.LATB.EHZ. 2022-03-12T13:24:25.03 0.6 undecidable manual S 159 31.2465 50 -0.35 45
IV.SRES.HHN. 2022-03-12T13:24:25.39 0.3 undecidable manual P 334 59.3961 50 0.38 64
IV.PTQR.HHZ. 2022-03-12T13:24:24.44 0.1 undecidable manual P 58 55.7997 50 -0.02 92
IV.CERT.HHZ. 2022-03-12T13:24:23.20 0.6 undecidable manual S 31 24.9528 111 -0.29 46
IV.GIUL.HHZ. 2022-03-12T13:24:22.11 0.1 undecidable manual P 122 41.7249 50 -0.18 91
IV.GUAR.HHZ. 2022-03-12T13:24:21.93 0.3 undecidable manual P 84 40.4262 50 -0.16 69
IV.MTCE.HHZ. 2022-03-12T13:24:20.04 0.3 undecidable manual P 347 30.3474 50 -0.5 65
IV.LATB.EHZ. 2022-03-12T13:24:20.20 0.1 undecidable manual P 159 31.2465 50 -0.47 88
IV.LAV9.HNZ. 2022-03-12T13:24:20.65 0.6 undecidable manual S 231 13.6752 125 0.63 43
IV.RCAV.EHZ. 2022-03-12T13:24:20.27 0.6 undecidable manual S 44 14.0748 124 0.15 48
IV.MA9.HHE. 2022-03-12T13:24:19.65 0.6 undecidable manual S 276 13.9749 124 -0.43 45
IV.RMP.HHZ. 2022-03-12T13:24:19.39 0.6 undecidable manual S 302 11.7771 129 -0.09 49
IV.CERT.HHZ. 2022-03-12T13:24:19.32 0.3 undecidable manual P 31 24.9528 111 -0.25 70
IV.RDP.HHZ. 2022-03-12T13:24:18.87 0.6 undecidable manual S 273 9.6792 134 -0.05 50
IV.RMP.HHZ. 2022-03-12T13:24:17.49 0.1 negative manual P 302 11.7771 129 0.22 95
IV.VIVA.HHZ. 2022-03-12T13:24:17.36 0.6 undecidable manual S 262 4.6953 153 -0.55 45
IV.RCAV.EHZ. 2022-03-12T13:24:17.69 0.1 undecidable manual P 44 14.0748 124 0.06 98
IV.MA9.HHE. 2022-03-12T13:24:17.90 0.3 undecidable manual P 276 13.9749 124 0.29 70
IV.LAV9.HNZ. 2022-03-12T13:24:17.82 0.3 undecidable manual P 231 13.6752 125 0.25 71
IV.RDP.HHZ. 2022-03-12T13:24:17.12 0.1 positive manual P 273 9.6792 134 0.18 97
IV.VIVA.HHZ. 2022-03-12T13:24:16.41 0.1 undecidable manual P 262 4.6953 153 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VIVA.HHE. ML:2.8 0.010785 0.22 AML other m 2022-03-12T13:24:17.88
IV.VIVA.HHN. ML:2.9 0.0152 0.36 AML other m 2022-03-12T13:24:19.37
IV.RDP.HHN. ML:2.6 0.005565 0.16 AML other m 2022-03-12T13:24:19.36
IV.RMP.HHN. ML:2.7 0.006085 0.38 AML other m 2022-03-12T13:24:19.70
IV.RDP.HHE. ML:2.3 0.0029249999999999996 0.6 AML other m 2022-03-12T13:24:19.54
IV.RCAV.EHE. ML:1.7 0.000465 1.28 AML other m 2022-03-12T13:24:21.17
IV.RMP.HHE. ML:2.7 0.0063 0.34 AML other m 2022-03-12T13:24:21.70
IV.RCAV.EHN. ML:1.7 0.00046550000000000004 0.78 AML other m 2022-03-12T13:24:23.63
IV.CERT.HHN. ML:1.5 0.0001905 1.3 AML other m 2022-03-12T13:24:24.85
IV.CERT.HHE. ML:1.4 0.00014649999999999998 1.02 AML other m 2022-03-12T13:24:26.57
IV.MTCE.HHN. ML:1.3 0.0000932 0.5 AML other m 2022-03-12T13:24:26.79
IV.GIUL.HHN. ML:2.0 0.00030199999999999997 0.62 AML other m 2022-03-12T13:24:28.86
IV.GIUL.HHE. ML:1.9 0.000243 0.64 AML other m 2022-03-12T13:24:29.10
IV.MTCE.HHE. ML:1.2 0.000078 1.48 AML other m 2022-03-12T13:24:29.99
IV.GUAR.HHN. ML:1.9 0.000265 0.52 AML other m 2022-03-12T13:24:29.05
IV.GUAR.HHE. ML:1.8 0.00023299999999999997 0.6 AML other m 2022-03-12T13:24:31.29
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