Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 05-03-2022 and time 12:59:23 (Italy) in region 4 km SW Ariccia (RM)

A magnitude ML 2.0 earthquake occured in region: 4 km SW Ariccia (RM), on

  • 05-03-2022 11:59:23 (UTC)
  • 05-03-2022 12:59:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7030, 12.6340 at 11 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
Ariccia RM 4 19407 19407
Albano Laziale RM 4 41715 61122
Genzano di Roma RM 5 23970 85092
Castel Gandolfo RM 5 8997 94089
Lanuvio RM 6 13632 107721
Nemi RM 7 1943 109664
Marino RM 8 43026 152690
Rocca di Papa RM 9 17034 169724
Grottaferrata RM 10 20327 190051
Pomezia RM 12 62966 253017
Ciampino RM 12 38412 291429
Aprilia LT 12 73446 364875
Velletri RM 12 53303 418178
Frascati RM 12 22087 440265
Ardea RM 13 49183 489448
Monte Porzio Catone RM 14 8693 498141
Monte Compatri RM 15 11978 510119
Rocca Priora RM 15 11962 522081
Lariano RM 17 13432 535513
Colonna RM 18 4287 539800
San Cesareo RM 19 15153 554953

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km E of Pomezia (62966 inhabitants)
12 Km N of Aprilia (73446 inhabitants)
12 Km W of Velletri (53303 inhabitants)
25 Km SE of Roma (2864731 inhabitants)
28 Km N of Anzio (54211 inhabitants)
32 Km SW of Tivoli (56533 inhabitants)
34 Km E of Fiumicino (78395 inhabitants)
34 Km S of Guidonia Montecelio (88673 inhabitants)
34 Km NW of Latina (125985 inhabitants)
82 Km SE of Civitavecchia (52991 inhabitants)
91 Km SE of Viterbo (67173 inhabitants)
96 Km S of Terni (111501 inhabitants)
96 Km SW of L'Aquila (69753 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 2.0 2022-03-05
11:59:23		 41.7027 12.6343 11 2022-07-08
12:33:55		 Bollettino Sismico Italiano INGV 104440181
Reviewed
Rev100 		ML 2.1 2022-03-05
11:59:23		 41.7042 12.6357 11 2022-03-05
12:08:19		 Sala Sismica INGV-Roma 101700191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-05 11:59:23 ± 0.11
Latitude 41.7027 ± 0.0063
Longitude 12.6343 ± 0.0084
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104440181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 768
Semi-minor axis of confidence ellipse (meter) 523
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.75543
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 104440181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-10 10:37:41

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 101700191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-05 12:08:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2022-03-05T11:59:48.40 0.6 undecidable manual S 77 83.8494 90 0.26 42
IV.PTQR.HHZ. 2022-03-05T11:59:46.40 0.6 undecidable manual S 61 72.5718 90 1.29 29
IV.TOLF.HHE. 2022-03-05T11:59:43.96 0.6 undecidable manual S 308 65.9895 90 0.61 40
IV.GIUL.HHZ. 2022-03-05T11:59:40.33 0.3 undecidable manual S 107 53.9016 90 0.2 69
IV.VVLD.HHZ. 2022-03-05T11:59:37.28 0.3 undecidable manual P 77 83.8494 90 -0.35 61
IV.CERT.HHZ. 2022-03-05T11:59:36.25 0.3 undecidable manual S 46 39.627 90 -0.08 71
IV.LATB.EHZ. 2022-03-05T11:59:35.10 0.6 undecidable manual S 130 35.742 90 -0.19 46
IV.TOLF.HHE. 2022-03-05T11:59:35.21 0.3 undecidable manual P 308 65.9895 90 0.34 64
IV.MTCE.HHE. 2022-03-05T11:59:35.06 0.6 undecidable manual S 14 36.6411 90 -0.46 44
IV.PTQR.HHZ. 2022-03-05T11:59:35.88 0.3 undecidable manual P 61 72.5718 90 -0.01 67
IV.SRES.HHZ. 2022-03-05T11:59:33.90 0.6 undecidable manual P 350 60.0954 90 -0.08 45
IV.RCAV.EHZ. 2022-03-05T11:59:33.88 0.6 undecidable manual S 58 30.3474 90 0.04 49
IV.GIUL.HHZ. 2022-03-05T11:59:32.60 0.1 undecidable manual P 107 53.9016 90 -0.41 85
IV.CERT.HHZ. 2022-03-05T11:59:30.72 0.3 undecidable manual P 46 39.627 90 -0.1 70
IV.LATB.EHZ. 2022-03-05T11:59:29.83 0.3 undecidable manual P 130 35.742 90 -0.39 66
IV.RMP.HHZ. 2022-03-05T11:59:29.43 0.3 undecidable manual S 26 13.4754 98 0.09 73
IV.MTCE.HHE. 2022-03-05T11:59:29.98 0.6 undecidable manual P 14 36.6411 90 -0.37 45
IV.RCAV.EHZ. 2022-03-05T11:59:29.39 0.1 undecidable manual P 58 30.3474 90 0.01 97
IV.RDP.HHZ. 2022-03-05T11:59:28.15 0.6 undecidable manual S 45 8.9799 126 -0.1 50
IV.LAV9.HHZ. 2022-03-05T11:59:27.98 0.6 undecidable manual S 117 5.994 142 0.3 48
IV.MA9.HHE. 2022-03-05T11:59:27.76 0.6 undecidable manual S 15 7.6812 132 -0.22 49
IV.SAMA.EHZ. 2022-03-05T11:59:27.99 0.3 undecidable manual S 338 9.2796 124 -0.33 72
IV.SAMA.EHZ. 2022-03-05T11:59:26.11 0.1 undecidable manual P 338 9.2796 124 -0.09 100
IV.RDP.HHZ. 2022-03-05T11:59:26.33 0.1 undecidable manual P 45 8.9799 126 0.17 98
IV.LAV9.HHZ. 2022-03-05T11:59:26.06 0.1 undecidable manual P 117 5.994 142 0.23 97
IV.RMP.HHZ. 2022-03-05T11:59:26.98 0.3 undecidable manual P 26 13.4754 98 0.2 72
IV.MA9.HHE. 2022-03-05T11:59:26.08 0.3 undecidable manual P 15 7.6812 132 0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LAV9.HHN. ML:2.5 0.004955 0.26 AML other m 2022-03-05T11:59:28.09
IV.LAV9.HNN. ML:2.5 0.0046099999999999995 0.26 AML other m 2022-03-05T11:59:28.10
IV.SAMA.EHN. ML:2.0 0.001125 0.1 AML other m 2022-03-05T11:59:28.09
IV.SAMA.EHE. ML:2.0 0.001165 0.2 AML other m 2022-03-05T11:59:28.53
IV.RDP.HHE. ML:1.9 0.0010076220000000001 0.2944 AML other m 2022-03-05T11:59:30.00
IV.LAV9.HHE. ML:2.4 0.003575 0.22 AML other m 2022-03-05T11:59:30.67
IV.LAV9.HNE. ML:2.4 0.0033650000000000004 0.24 AML other m 2022-03-05T11:59:30.68
IV.RDP.HHN. ML:2.1 0.001625 0.74 AML other m 2022-03-05T11:59:30.94
IV.CERT.HHN. ML:1.2 0.0000614 0.18 AML other m 2022-03-05T11:59:37.37
IV.CERT.HHE. ML:1.3 0.00006989999999999999 0.7 AML other m 2022-03-05T11:59:38.27
IV.GIUL.HHE. ML:1.3 0.000051897325000000004 0.1408 AML other m 2022-03-05T11:59:41.75
IV.GIUL.HHN. ML:1.4 0.000061120805 0.16 AML other m 2022-03-05T11:59:41.69
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
Waveforms Seismic signals in miniseed + resp format Download