Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 28-11-2020 and time 02:02:15 (Italy) in region 1 km SE Gerano (RM)

A magnitude ML 1.9 earthquake occured in region: 1 km SE Gerano (RM), on

  • 28-11-2020 01:02:15 (UTC)
  • 28-11-2020 02:02:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9290, 12.9980 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
Gerano RM 1 1263 1263
Cerreto Laziale RM 2 1118 2381
Rocca Santo Stefano RM 3 975 3356
Canterano RM 4 351 3707
Rocca Canterano RM 4 196 3903
Pisoniano RM 4 770 4673
San Vito Romano RM 5 3273 7946
Bellegra RM 6 2887 10833
Ciciliano RM 6 1336 12169
Agosta RM 7 1765 13934
Marano Equo RM 8 779 14713
Sambuci RM 8 925 15638
Olevano Romano RM 8 6687 22325
Roiate RM 8 737 23062
Capranica Prenestina RM 8 351 23413
Subiaco RM 9 9074 32487
Cervara di Roma RM 9 455 32942
Anticoli Corrado RM 9 915 33857
Saracinesco RM 9 185 34042
Casape RM 10 744 34786
Affile RM 10 1548 36334
Poli RM 10 2418 38752
Rocca di Cave RM 10 377 39129
San Gregorio da Sassola RM 10 1619 40748
Genazzano RM 11 6036 46784
Roviano RM 11 1351 48135
Arcinazzo Romano RM 11 1348 49483
Castel Madama RM 12 7399 56882
Rocca di Botte AQ 12 856 57738
Castel San Pietro Romano RM 13 902 58640
Serrone FR 13 3099 61739
Arsoli RM 13 1586 63325
Vicovaro RM 13 4019 67344
Mandela RM 13 917 68261
Palestrina RM 13 21672 89933
Cave RM 13 11287 101220
Camerata Nuova RM 14 447 101667
Cineto Romano RM 14 601 102268
Oricola AQ 14 1244 103512
Paliano FR 15 8281 111793
Riofreddo RM 15 781 112574
Jenne RM 15 366 112940
Roccagiovine RM 16 263 113203
Gallicano nel Lazio RM 16 6334 119537
San Polo dei Cavalieri RM 16 2992 122529
Piglio FR 16 4666 127195
Pereto AQ 17 682 127877
Tivoli RM 17 56533 184410
Zagarolo RM 17 17843 202253
Vallinfreda RM 17 283 202536
Licenza RM 18 1011 203547
Valmontone RM 18 15959 219506
Labico RM 18 6379 225885
Marcellina RM 19 7280 233165
Vivaro Romano RM 19 182 233347
Vallepietra RM 19 283 233630
Percile RM 20 255 233885
Carsoli AQ 20 5396 239281

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Tivoli (56533 inhabitants)
24 Km E of Guidonia Montecelio (88673 inhabitants)
33 Km NE of Velletri (53303 inhabitants)
43 Km E of Roma (2864731 inhabitants)
47 Km NE of Aprilia (73446 inhabitants)
50 Km NE of Pomezia (62966 inhabitants)
52 Km N of Latina (125985 inhabitants)
58 Km SW of L'Aquila (69753 inhabitants)
62 Km NE of Anzio (54211 inhabitants)
65 Km E of Fiumicino (78395 inhabitants)
76 Km SE of Terni (111501 inhabitants)
92 Km SE of Viterbo (67173 inhabitants)
100 Km SW of Teramo (54892 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 2020-11-28
01:02:15		 41.9293 12.9983 10 2021-02-26
14:56:11		 Bollettino Sismico Italiano INGV 85596951
Reviewed
Rev100 		ML 1.9 2020-11-28
01:02:15		 41.9288 13.0027 9 2020-11-28
01:27:16		 Sala Sismica INGV-Roma 85058401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-28 01:02:15 ± 0.06
Latitude 41.9293 ± 0.0027
Longitude 12.9983 ± 0.0036
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85596951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 267
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 183
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 31
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.97846
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 85058401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-28 01:27:16

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 85596951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-21 09:30:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2020-11-28T01:02:38.02 0.6 undecidable manual S 83 75.2691 50 -0.1 45
IV.ARRO.EHZ. 2020-11-28T01:02:37.72 0.6 undecidable manual S 345 74.5698 50 -0.2 44
IV.LIK.EHE.01 2020-11-28T01:02:36.11 0.6 undecidable manual S 136 66.5778 50 0.32 44
IT.OPI.HGE. 2020-11-28T01:02:36.49 3.0 undecidable manual S -0.41 0
IV.MIDA.HHE. 2020-11-28T01:02:33.52 0.3 undecidable manual P 107 108.6135 50 -0.09 63
IV.LRP.EHZ. 2020-11-28T01:02:33.59 0.3 undecidable manual S 123 57.8976 50 0.13 69
IV.RNI2.HHE. 2020-11-28T01:02:32.12 0.1 undecidable manual P 104 98.6235 50 0.05 87
IV.SRES.HHZ. 2020-11-28T01:02:32.09 0.6 undecidable manual S 310 52.7028 50 0 48
IV.MOMA.HHZ. 2020-11-28T01:02:32.48 0.1 undecidable manual P 340 103.119 50 -0.29 82
IV.TERO.HHE. 2020-11-28T01:02:31.22 0.6 undecidable manual P 33 91.5417 50 0.24 42
IV.VVLD.HHZ. 2020-11-28T01:02:31.80 0.3 undecidable manual S 97 52.0035 50 -0.1 70
IV.LPEL.HHE. 2020-11-28T01:02:31.93 0.6 undecidable manual P 82 98.5236 50 -0.13 43
IV.SMA1.EHE. 2020-11-28T01:02:30.12 0.1 undecidable manual P 19 82.5507 50 0.53 80
IV.GIUL.HHZ. 2020-11-28T01:02:30.19 0.3 undecidable manual S 153 46.3203 50 -0.19 70
IV.CERA.HHZ. 2020-11-28T01:02:30.87 0.1 undecidable manual P 113 92.0412 50 -0.19 85
IV.LATB.EHZ. 2020-11-28T01:02:30.83 0.6 undecidable manual S 184 48.4182 50 -0.11 47
IV.BARO.EHN. 2020-11-28T01:02:30.37 3.0 undecidable manual P 0.22 0
IT.RMVT.HGN. 2020-11-28T01:02:29.88 3.0 undecidable manual S 0.37 0
IT.MMP1.HGZ. 2020-11-28T01:02:29.34 3.0 undecidable manual S 0.23 0
IV.MCI.EHE. 2020-11-28T01:02:29.56 0.1 undecidable manual P 126 83.1501 50 -0.13 88
IV.CAMP.HHE. 2020-11-28T01:02:29.27 0.6 undecidable manual P 26 75.2691 50 0.8 37
IV.T1299.HNE. 2020-11-28T01:02:29.87 0.6 undecidable manual P 16 81.5517 50 0.43 41
IV.CESX.HHZ. 2020-11-28T01:02:29.83 0.1 undecidable manual P 336 82.5507 50 0.24 86
IV.GIGS.HHE. 2020-11-28T01:02:28.80 0.6 undecidable manual P 39 74.8695 50 0.39 42
IV.ARRO.EHZ. 2020-11-28T01:02:28.13 0.3 undecidable manual P 345 74.5698 50 -0.23 66
IV.INTR.HHZ. 2020-11-28T01:02:28.27 0.1 undecidable manual P 83 75.2691 50 -0.2 88
IV.LNSS.HHZ. 2020-11-28T01:02:28.80 3.0 undecidable manual P 0.36 0
IV.T0110.HHE. 2020-11-28T01:02:28.98 0.3 undecidable manual P 62 72.1722 50 0.99 51
IV.LAV9.HHZ. 2020-11-28T01:02:28.52 0.3 undecidable manual S 222 37.3293 50 0.54 65
IT.OPI.HGE. 2020-11-28T01:02:27.67 3.0 undecidable manual P -0.09 0
IV.PTQR.HHZ. 2020-11-28T01:02:27.38 0.3 undecidable manual S 73 34.743 50 0.09 73
IV.SAMA.EHZ. 2020-11-28T01:02:27.85 0.3 undecidable manual S 244 37.4292 50 -0.15 72
IV.LIK.EHE.01 2020-11-28T01:02:27.27 0.1 undecidable manual P 136 66.5778 50 0.14 91
IV.POFI.HHZ. 2020-11-28T01:02:26.40 0.1 positive manual P 111 63.492 50 -0.26 89
IV.MA9.HHN. 2020-11-28T01:02:26.54 0.3 undecidable manual S 238 33.1446 50 -0.33 69
IV.LRP.EHZ. 2020-11-28T01:02:25.74 0.1 undecidable manual P 123 57.8976 50 -0.05 94
IV.RMP.HHZ. 2020-11-28T01:02:25.27 0.3 undecidable manual S 242 27.5502 50 -0.09 74
MN.AQU.HHN. 2020-11-28T01:02:25.93 1.0 undecidable manual P 35 57.7977 50 0.16 23
IV.VIVA.HHE. 2020-11-28T01:02:25.25 0.3 undecidable manual S 224 27.3504 50 -0.08 74
IV.GUAR.HHZ. 2020-11-28T01:02:25.75 0.3 undecidable manual S 120 29.9478 50 -0.26 71
IV.SRES.HHZ. 2020-11-28T01:02:24.55 0.1 undecidable manual P 310 52.7028 50 -0.44 87
IT.RMMM.HGN. 2020-11-28T01:02:24.13 0.3 undecidable manual P 269 45.0216 50 0.32 68
IV.VVLD.HHZ. 2020-11-28T01:02:24.64 0.1 positive manual P 97 52.0035 50 -0.25 91
IV.LATB.EHZ. 2020-11-28T01:02:24.08 0.1 positive manual P 184 48.4182 50 -0.25 92
IV.MTCE.HHZ. 2020-11-28T01:02:23.76 0.3 undecidable manual S 296 23.5542 113 -0.4 70
IV.LAV9.HHZ. 2020-11-28T01:02:23.23 0.1 positive manual P 222 37.3293 50 0.61 85
IT.RMVT.HGN. 2020-11-28T01:02:23.78 3.0 undecidable manual P 0.29 0
IT.MMP1.HGZ. 2020-11-28T01:02:23.33 3.0 undecidable manual P 0.07 0
IV.GIUL.HHZ. 2020-11-28T01:02:23.90 0.1 positive manual P 153 46.3203 50 -0.11 95
IV.ROM9.HNE. 2020-11-28T01:02:23.51 0.6 undecidable manual P 254 41.4252 50 0.26 46
IT.CSO1.HGZ. 2020-11-28T01:02:23.01 0.3 undecidable manual S 21 20.3685 116 -0.16 73
IV.SAMA.EHZ. 2020-11-28T01:02:22.50 0.1 undecidable manual P 244 37.4292 50 -0.13 96
IV.PTQR.HHZ. 2020-11-28T01:02:22.07 0.1 positive manual P 73 34.743 50 -0.15 96
IV.MA9.HHN. 2020-11-28T01:02:22.11 0.1 undecidable manual P 238 33.1446 50 0.13 96
IV.VIVA.HHE. 2020-11-28T01:02:21.28 0.1 undecidable manual P 224 27.3504 50 0.19 96
IV.GUAR.HHZ. 2020-11-28T01:02:21.31 0.1 undecidable manual P 120 29.9478 50 -0.17 96
IV.RMP.HHZ. 2020-11-28T01:02:21.07 0.1 positive manual P 242 27.5502 50 -0.04 99
IV.MTCE.HHZ. 2020-11-28T01:02:20.18 0.1 undecidable manual P 296 23.5542 113 -0.23 96
IV.RCAV.EHZ. 2020-11-28T01:02:20.37 0.3 undecidable manual S 206 10.0788 134 0.16 75
IT.CSO1.HGZ. 2020-11-28T01:02:19.91 0.1 undecidable manual P 21 20.3685 116 0.06 100
IV.RCAV.EHZ. 2020-11-28T01:02:18.36 0.1 positive manual P 206 10.0788 134 0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RCAV.EHN. ML:2.0 0.0012050000000000001 1 AML other m 2020-11-28T01:02:21.68
IV.RCAV.EHE. ML:2.0 0.001215 1.22 AML other m 2020-11-28T01:02:21.80
IV.MTCE.HHN. ML:2.0 0.0006095 0.42 AML other m 2020-11-28T01:02:24.75
IV.MTCE.HHE. ML:1.9 0.00047299999999999995 1.02 AML other m 2020-11-28T01:02:25.45
IV.GUAR.HHE. ML:2.0 0.00047599999999999997 0.46 AML other m 2020-11-28T01:02:26.51
IV.GUAR.HHN. ML:2.0 0.00046950000000000003 0.9 AML other m 2020-11-28T01:02:27.58
IV.PTQR.HHN. ML:2.0 0.0003945 0.36 AML other m 2020-11-28T01:02:28.28
IV.RMP.HHN. ML:2.6 0.002145 1.68 AML other m 2020-11-28T01:02:28.92
IV.PTQR.HHE. ML:1.9 0.000327 0.84 AML other m 2020-11-28T01:02:29.60
IV.RMP.HHE. ML:2.4 0.00141 1.2 AML other m 2020-11-28T01:02:29.71
IV.LAV9.HHE. ML:2.5 0.00125 0.54 AML other m 2020-11-28T01:02:29.70
IV.LAV9.HNE. ML:2.5 0.0012549999999999998 0.56 AML other m 2020-11-28T01:02:29.70
IV.LAV9.HHN. ML:2.4 0.00103 0.18 AML other m 2020-11-28T01:02:31.28
IV.LAV9.HNN. ML:2.4 0.0010329999999999998 0.48 AML other m 2020-11-28T01:02:31.28
IV.GIUL.HHE. ML:1.5 0.0000969 0.16 AML other m 2020-11-28T01:02:32.60
IV.VVLD.HNE. ML:1.9 0.0001901443 1.1904 AML other m 2020-11-28T01:02:32.69
IV.VVLD.HHE. ML:1.8 0.000152 0.46 AML other m 2020-11-28T01:02:34.26
IV.GIUL.HHN. ML:1.5 0.00009120000000000001 1 AML other m 2020-11-28T01:02:34.60
IV.LRP.EHN. ML:1.4 0.00006135 0.92 AML other m 2020-11-28T01:02:34.37
IV.SRES.HHN. ML:1.4 0.0000537 0.44 AML other m 2020-11-28T01:02:35.29
IV.LRP.EHE. ML:2.0 0.00021 0.22 AML other m 2020-11-28T01:02:35.50
IV.VVLD.HNN. ML:1.8 0.00015314145000000002 1.58 AML other m 2020-11-28T01:02:37.94
IV.VVLD.HHN. ML:1.8 0.00015099999999999998 1.6 AML other m 2020-11-28T01:02:37.95
IV.SRES.HHE. ML:1.4 0.0000655 0.56 AML other m 2020-11-28T01:02:37.58
IV.POFI.HHE. ML:1.5 0.000060700000000000005 1.66 AML other m 2020-11-28T01:02:37.87
IV.POFI.HHN. ML:1.5 0.00006204999999999999 0.26 AML other m 2020-11-28T01:02:38.00
IV.POFI.HNN. ML:2.0 0.0001960639 1.3 AML other m 2020-11-28T01:02:38.77
IV.POFI.HNE. ML:1.8 0.00012192062500000001 1.38 AML other m 2020-11-28T01:02:41.92
IV.INTR.HHE. ML:1.6 0.00006705 1.38 AML other m 2020-11-28T01:02:46.90
IV.INTR.HHN. ML:1.7 0.00006965 0.38 AML other m 2020-11-28T01:02:47.72
IV.MOMA.HHE. ML:1.8 0.000056349999999999994 0.5 AML other m 2020-11-28T01:02:48.67
IV.MOMA.HHN. ML:1.8 0.00005765 1.2 AML other m 2020-11-28T01:02:50.04
IV.INTR.HNN. ML:2.0 0.000167553 0.9304 AML other m 2020-11-28T01:02:50.69
IV.CERA.HHN. ML:1.7 0.00005255469 0.3 AML other m 2020-11-28T01:02:50.97
IV.MOMA.HNN. ML:2.5 0.00031863975 0.8408 AML other m 2020-11-28T01:02:53.28
IV.CERA.HHE. ML:1.7 0.00006118707 1.36 AML other m 2020-11-28T01:02:53.82
IV.INTR.HNE. ML:2.0 0.00016254739 0.9 AML other m 2020-11-28T01:02:53.45
IV.CERA.HNE. ML:1.8 0.0000724322 0.8 AML other m 2020-11-28T01:02:54.57
IV.MOMA.HNE. ML:2.3 0.00017037625 1.1 AML other m 2020-11-28T01:02:58.19
IV.CERA.HNN. ML:1.7 0.00005741114 0.68 AML other m 2020-11-28T01:02:59.18
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