Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 22-05-2020 and time 21:35:13 (Italy) in region 5 km E San Giovanni Incarico (FR)

A magnitude ML 1.9 earthquake occured in region: 5 km E San Giovanni Incarico (FR), on

  • 22-05-2020 19:35:13 (UTC)
  • 22-05-2020 21:35:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5040, 13.6220 at 9 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
San Giovanni Incarico FR 5 3336 3336
Colfelice FR 6 1932 5268
Pontecorvo FR 6 13242 18510
Roccasecca FR 7 7365 25875
Aquino FR 7 5370 31245
Castrocielo FR 7 3965 35210
Pico FR 8 2888 38098
Colle San Magno FR 8 699 38797
Falvaterra FR 8 554 39351
Ceprano FR 10 8897 48248
Rocca d'Arce FR 10 959 49207
Arce FR 10 5756 54963
Piedimonte San Germano FR 11 6535 61498
Santopadre FR 11 1357 62855
Pastena FR 12 1462 64317
Villa Santa Lucia FR 12 2632 66949
Fontana Liri FR 13 2953 69902
Esperia FR 14 3828 73730
Terelle FR 14 422 74152
Campodimele LT 15 622 74774
Strangolagalli FR 15 2491 77265
Casalattico FR 16 574 77839
Pignataro Interamna FR 16 2595 80434
Arpino FR 16 7262 87696
San Giorgio a Liri FR 16 3164 90860
Casalvieri FR 16 2698 93558
Lenola LT 17 4189 97747
Cassino FR 17 36142 133889
Monte San Giovanni Campano FR 18 12929 146818
Castelnuovo Parano FR 18 883 147701
Castro dei Volsci FR 18 4781 152482
Belmonte Castello FR 18 739 153221
Pofi FR 19 4204 157425
Fontechiari FR 19 1303 158728
Vallecorsa FR 19 2643 161371
Ausonia FR 20 2619 163990
Atina FR 20 4316 168306
Isola del Liri FR 20 11715 180021
Boville Ernica FR 20 8737 188758

Municipalities with at least 50000 inhabitants

An earthquake occurred to
60 Km E of Latina (125985 inhabitants)
73 Km E of Velletri (53303 inhabitants)
76 Km NW of Caserta (76326 inhabitants)
77 Km NW of Aversa (53047 inhabitants)
80 Km NW of Giugliano in Campania (122974 inhabitants)
82 Km E of Aprilia (73446 inhabitants)
82 Km NW of Marano di Napoli (59874 inhabitants)
83 Km E of Anzio (54211 inhabitants)
83 Km NW of Pozzuoli (81661 inhabitants)
85 Km SE of Tivoli (56533 inhabitants)
87 Km NW of Afragola (65057 inhabitants)
87 Km NW of Casoria (77642 inhabitants)
88 Km NW of Acerra (59573 inhabitants)
91 Km NW of Napoli (974074 inhabitants)
93 Km SE of Guidonia Montecelio (88673 inhabitants)
95 Km E of Pomezia (62966 inhabitants)
96 Km S of L'Aquila (69753 inhabitants)
97 Km NW of Portici (55274 inhabitants)
98 Km NW of Ercolano (53709 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 2020-05-22
19:35:13		 41.5043 13.6222 9 2020-11-19
12:36:47		 Bollettino Sismico Italiano INGV 79775161
Reviewed
Rev100 		ML 1.9 2020-05-22
19:35:13		 41.503 13.6218 9 2020-05-22
19:47:50		 Sala Sismica INGV-Roma 79460231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-22 19:35:13 ± 0.09
Latitude 41.5043 ± 0.0054
Longitude 13.6222 ± 0.0060
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79775161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 551
Semi-minor axis of confidence ellipse (meter) 498
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
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 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 1.60439
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 39
Type of magnitude ML
Reference to an origin 79775161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 22:52:43

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 39
Type of magnitude ML
Reference to an origin 79460231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-22 19:47:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHZ. 2020-05-22T19:35:43.34 0.3 undecidable manual P 80 178.0884 38 0.28 48
IV.MELA.HHZ. 2020-05-22T19:35:35.69 0.6 undecidable manual P 79 126.7731 50 0.51 36
IV.INTR.HHZ. 2020-05-22T19:35:33.29 0.6 undecidable manual S 22 60.8946 50 0.14 45
IV.PTQR.HHZ. 2020-05-22T19:35:33.76 0.6 undecidable manual S 342 60.2952 50 0.79 37
IV.MIDA.HHZ. 2020-05-22T19:35:31.94 0.6 undecidable manual S 74 54.6009 50 0.48 42
IV.VENT.EHZ. 2020-05-22T19:35:28.02 0.6 undecidable manual P 192 80.4639 50 -0.01 44
IV.VVLD.HHZ. 2020-05-22T19:35:27.42 0.6 undecidable manual S 0 40.5261 50 -0.28 45
IT.OPI.HGZ. 2020-05-22T19:35:26.26 0.3 undecidable manual S 30 34.743 50 0.1 71
IV.SGG.HHZ. 2020-05-22T19:35:26.21 0.6 undecidable manual P 101 64.2912 50 0.67 39
IV.GIUL.HHZ. 2020-05-22T19:35:25.61 0.6 undecidable manual S 281 31.1466 106 0.46 44
IV.INTR.HHZ. 2020-05-22T19:35:24.65 0.1 undecidable manual P 22 60.8946 50 -0.38 85
IV.PTQR.HHZ. 2020-05-22T19:35:24.95 0.3 undecidable manual P 342 60.2952 50 0.03 69
IV.VAGA.HHZ. 2020-05-22T19:35:24.18 0.3 undecidable manual P 101 51.8037 50 0.56 62
IV.PIGN.HHZ. 2020-05-22T19:35:24.81 0.3 undecidable manual P 126 57.3981 50 0.33 65
IV.LATB.EHZ. 2020-05-22T19:35:23.53 0.3 undecidable manual P 269 54.8007 50 -0.56 62
IV.MIDA.HHZ. 2020-05-22T19:35:23.62 0.3 undecidable manual P 74 54.6009 50 -0.43 64
IV.POFI.HHZ. 2020-05-22T19:35:23.22 0.6 undecidable manual S 17 24.753 110 0.16 48
IV.RNI2.HHZ. 2020-05-22T19:35:23.27 0.3 undecidable manual P 63 49.2174 50 0.05 70
IV.VVLD.HHZ. 2020-05-22T19:35:21.36 0.1 positive manual P 0 40.5261 50 -0.52 86
IV.GUAR.HNN. 2020-05-22T19:35:21.81 0.6 undecidable manual P 322 41.2254 50 -0.17 46
IV.GIUL.HHZ. 2020-05-22T19:35:20.31 0.1 undecidable manual P 281 31.1466 106 -0.1 96
IV.LRP.EHZ. 2020-05-22T19:35:20.66 0.3 undecidable manual S 349 16.0728 119 0.35 70
IV.CERA.HHZ. 2020-05-22T19:35:20.65 0.3 undecidable manual P 72 34.4433 50 -0.3 68
IT.OPI.HGZ. 2020-05-22T19:35:20.81 0.6 undecidable manual P 30 34.743 50 -0.18 47
IV.MCI.EHZ. 2020-05-22T19:35:19.98 0.6 undecidable manual S 95 15.873 119 -0.27 47
IV.POFI.HHZ. 2020-05-22T19:35:18.95 0.1 undecidable manual P 17 24.753 110 -0.25 94
IV.MCI.EHZ. 2020-05-22T19:35:17.30 0.1 negative manual P 95 15.873 119 -0.28 94
IV.LIK.EHN.01 2020-05-22T19:35:17.60 0.6 undecidable manual S 264 5.2947 149 0.11 50
IV.LRP.EHZ. 2020-05-22T19:35:17.72 0.1 positive manual P 349 16.0728 119 0.11 98
IV.LIK.EHN.01 2020-05-22T19:35:16.08 0.1 undecidable manual P 264 5.2947 149 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCI.EHN. ML:2.8 0.0059850875 0.2048 AML other m 2020-05-22T19:35:20.87
IV.MCI.EHE. ML:3.0 0.008563030999999999 0.2944 AML other m 2020-05-22T19:35:21.18
IV.LRP.EHN. ML:1.9 0.0008435404 0.192 AML other m 2020-05-22T19:35:21.31
IV.LRP.EHE. ML:2.4 0.002333379 0.128 AML other m 2020-05-22T19:35:21.58
IV.POFI.HHN. ML:1.8 0.00035283604999999994 0.2432 AML other m 2020-05-22T19:35:23.60
IV.POFI.HNN. ML:1.8 0.00042316855 0.2432 AML other m 2020-05-22T19:35:23.60
IV.POFI.HHE. ML:1.7 0.00027827755 0.3072 AML other m 2020-05-22T19:35:27.71
IV.POFI.HNE. ML:1.7 0.0003347281 0.2944 AML other m 2020-05-22T19:35:27.56
IV.GIUL.HHE. ML:1.7 0.00025893935000000003 0.32 AML other m 2020-05-22T19:35:28.71
IV.GIUL.HHN. ML:1.9 0.000355962 1.7696 AML other m 2020-05-22T19:35:28.93
IV.VVLD.HNE. ML:2.0 0.00031107925000000005 0.3968 AML other m 2020-05-22T19:35:29.96
IV.VVLD.HHN. ML:2.0 0.000331 0.38 AML other m 2020-05-22T19:35:30.40
IV.VVLD.HNN. ML:2.0 0.0003399948 0.384 AML other m 2020-05-22T19:35:30.40
IV.CERA.HHN. ML:2.1 0.00056333665 0.3712 AML other m 2020-05-22T19:35:30.75
IV.CERA.HNN. ML:2.1 0.0005485547 0.3712 AML other m 2020-05-22T19:35:30.75
IV.VVLD.HHE. ML:2.0 0.0003125 0.34 AML other m 2020-05-22T19:35:32.34
IV.CERA.HNE. ML:2.1 0.00059628215 0.4608 AML other m 2020-05-22T19:35:34.18
IV.CERA.HHE. ML:2.2 0.0006254477 0.4608 AML other m 2020-05-22T19:35:34.18
IV.MIDA.HHE. ML:1.7 0.00011901719999999999 0.3968 AML other m 2020-05-22T19:35:34.50
IV.PTQR.HHN. ML:1.9 0.00015227025 1.68 AML other m 2020-05-22T19:35:35.01
IV.PTQR.HHE. ML:2.0 0.00019652380000000002 0.4096 AML other m 2020-05-22T19:35:35.12
IV.MIDA.HHN. ML:1.8 0.0001315012 0.2432 AML other m 2020-05-22T19:35:36.21
IV.LATB.EHE. ML:1.2 0.000040152265 0.2432 AML other m 2020-05-22T19:35:36.60
IV.PIGN.HHE. ML:1.7 0.00009837372499999999 0.384 AML other m 2020-05-22T19:35:37.22
IV.PIGN.HNE. ML:1.8 0.00012833440000000002 0.384 AML other m 2020-05-22T19:35:37.22
IV.PIGN.HHN. ML:1.7 0.0001162965 0.3968 AML other m 2020-05-22T19:35:37.43
IV.VAGA.HHN. ML:2.0 0.000242 0.3 AML other m 2020-05-22T19:35:37.36
IV.VAGA.HNN. ML:2.0 0.00023392125 0.2944 AML other m 2020-05-22T19:35:37.36
IV.RNI2.HHN. ML:2.0 0.0002532369 1.4624 AML other m 2020-05-22T19:35:37.80
IV.RNI2.HNN. ML:2.0 0.000249 0.72 AML other m 2020-05-22T19:35:37.81
IV.VAGA.HHE. ML:1.6 0.0001065 0.36 AML other m 2020-05-22T19:35:38.52
IV.VAGA.HNE. ML:1.6 0.000095577015 0.3584 AML other m 2020-05-22T19:35:38.52
IV.RNI2.HHE. ML:2.0 0.0003008596 0.3072 AML other m 2020-05-22T19:35:39.28
IV.RNI2.HNE. ML:2.0 0.00029403014999999997 0.2944 AML other m 2020-05-22T19:35:39.29
IV.LATB.EHN. ML:1.0 0.000026755380000000003 0.5888 AML other m 2020-05-22T19:35:39.49
IV.INTR.HHE. ML:1.9 0.0001573356 0.5248 AML other m 2020-05-22T19:35:41.64
IV.INTR.HHN. ML:2.0 0.0002157634 0.5632 AML other m 2020-05-22T19:35:41.54
IV.INTR.HNN. ML:2.1 0.00025517774999999997 0.6016 AML other m 2020-05-22T19:35:41.53
IV.MIDA.HNE. ML:1.7 0.00012673175 0.4864 AML other m 2020-05-22T19:35:43.96
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