Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 06-04-2020 and time 04:41:49 (Italy) in region 5 km SE Castel Sant'Angelo (RI)

A magnitude ML 1.5 earthquake occured in region: 5 km SE Castel Sant'Angelo (RI), on

  • 06-04-2020 02:41:49 (UTC)
  • 06-04-2020 04:41:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3560, 13.0510 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castel Sant'Angelo RI 5 1308 1308
Borgo Velino RI 6 972 2280
Concerviano RI 6 291 2571
Petrella Salto RI 7 1197 3768
Antrodoco RI 7 2588 6356
Cittaducale RI 9 6828 13184
Micigliano RI 11 127 13311
Longone Sabino RI 12 597 13908
Fiamignano RI 12 1413 15321
Varco Sabino RI 13 187 15508
Belmonte in Sabina RI 14 636 16144
Rocca Sinibalda RI 14 815 16959
Marcetelli RI 14 89 17048
Rieti RI 16 47698 64746
Castel di Tora RI 17 288 65034
Scoppito AQ 17 3727 68761
Cantalice RI 17 2755 71516
Colle di Tora RI 18 372 71888
Torricella in Sabina RI 18 1342 73230
Ascrea RI 18 234 73464
Cagnano Amiterno AQ 18 1369 74833
Pescorocchiano RI 19 2075 76908
Borbona RI 19 617 77525
Paganico Sabino RI 19 172 77697
Posta RI 19 694 78391

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of L'Aquila (69753 inhabitants)
40 Km SE of Terni (111501 inhabitants)
48 Km NE of Guidonia Montecelio (88673 inhabitants)
48 Km NE of Tivoli (56533 inhabitants)
63 Km SW of Teramo (54892 inhabitants)
70 Km NE of Roma (2864731 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
78 Km N of Velletri (53303 inhabitants)
78 Km E of Viterbo (67173 inhabitants)
89 Km NE of Pomezia (62966 inhabitants)
91 Km NE of Aprilia (73446 inhabitants)
92 Km W of Chieti (51815 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Fiumicino (78395 inhabitants)
96 Km W of Pescara (121014 inhabitants)
100 Km N of Latina (125985 inhabitants)
100 Km SE of Perugia (166134 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 1.5 2020-04-06
02:41:49		 42.3565 13.0507 9 2020-07-18
21:08:39		 Bollettino Sismico Italiano INGV 79937241
Reviewed
Rev100 		ML 1.5 2020-04-06
02:41:49		 42.3505 13.03 9 2020-04-06
02:49:44		 Sala Sismica INGV-Roma 77942911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-06 02:41:49 ± 0.1
Latitude 42.3565 ± 0.0045
Longitude 13.0507 ± 0.0073
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 79937241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 511
Semi-minor axis of confidence ellipse (meter) 459
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 95
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 77942911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-06 02:49:44

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 79937241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-05 21:36:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-04-06T02:42:35.08 3.0 undecidable manual S 0.18 0
IV.CESI.HHE. 2020-04-06T02:42:12.86 0.3 undecidable manual S 351 72.8715 50 0.84 53
IV.MOMA.HNZ. 2020-04-06T02:42:10.15 0.6 undecidable manual S 322 63.2922 50 0.7 38
IV.MMO1.EHN. 2020-04-06T02:42:10.48 0.6 undecidable manual S 20 64.2912 50 0.76 37
IV.SRES.HHZ. 2020-04-06T02:42:06.47 0.6 undecidable manual S 254 46.3203 50 1.55 26
IV.CERT.HHZ. 2020-04-06T02:42:05.16 0.3 undecidable manual S 187 45.5211 50 0.44 65
IV.FAGN.HHZ. 2020-04-06T02:42:04.45 0.3 undecidable manual S 103 44.9217 50 -0.09 70
IV.SMA1.EHZ. 2020-04-06T02:42:03.28 0.6 undecidable manual S 37 38.3283 50 0.5 43
IV.FDMO.HHZ. 2020-04-06T02:42:02.44 0.6 undecidable manual P 2 75.4689 50 -0.48 40
IV.CESI.HHE. 2020-04-06T02:42:02.28 0.3 undecidable manual P 351 72.8715 50 -0.24 64
IV.MMO1.EHN. 2020-04-06T02:42:01.10 0.3 undecidable manual P 20 64.2912 50 -0.09 67
IV.ARRO.EHZ. 2020-04-06T02:42:01.50 0.3 undecidable manual S 317 33.9438 50 -0.12 70
IV.CAMP.HHZ. 2020-04-06T02:42:01.86 0.6 undecidable manual S 56 35.4423 50 -0.16 47
IV.MC2.EHZ. 2020-04-06T02:42:00.30 0.3 undecidable manual P 10 62.5929 50 -0.63 59
IV.MOMA.HNZ. 2020-04-06T02:42:00.75 0.6 undecidable manual P 322 63.2922 50 -0.28 43
MN.AQU.HHZ. 2020-04-06T02:42:00.26 0.6 undecidable manual S 90 29.0487 106 0.21 47
IV.LNSS.HHZ. 2020-04-06T02:41:59.52 0.3 undecidable manual S 358 27.3504 107 0.04 72
IV.FAGN.HHZ. 2020-04-06T02:41:58.19 0.3 undecidable manual P 103 44.9217 50 -0.01 71
IV.SRES.HHZ. 2020-04-06T02:41:58.84 0.3 undecidable manual P 254 46.3203 50 0.42 65
IV.NRCA.HHZ. 2020-04-06T02:41:58.99 0.3 undecidable manual P 6 53.2023 50 -0.49 63
IV.CESX.HHZ. 2020-04-06T02:41:58.37 0.3 undecidable manual P 307 47.1195 50 -0.18 68
IV.RM33.EHZ. 2020-04-06T02:41:58.00 0.3 undecidable manual S 38 21.5673 112 0.4 68
IV.CERT.HHZ. 2020-04-06T02:41:57.94 0.3 undecidable manual P 187 45.5211 50 -0.36 66
IV.GIGS.HHZ. 2020-04-06T02:41:57.97 0.3 undecidable manual P 76 44.1225 50 -0.11 69
IV.MTCE.HHZ. 2020-04-06T02:41:57.68 0.3 undecidable manual P 215 44.8218 50 -0.52 63
IV.CAMP.HHZ. 2020-04-06T02:41:56.58 0.1 undecidable manual P 56 35.4423 50 -0.17 93
IV.ARRO.EHZ. 2020-04-06T02:41:56.00 0.3 undecidable manual P 317 33.9438 50 -0.52 65
IV.SMA1.EHZ. 2020-04-06T02:41:56.97 0.6 undecidable manual P 37 38.3283 50 -0.21 46
IV.LNSS.HHZ. 2020-04-06T02:41:55.03 0.3 undecidable manual P 358 27.3504 107 -0.25 69
MN.AQU.HHZ. 2020-04-06T02:41:55.71 0.3 undecidable manual P 90 29.0487 106 0.1 71
IV.RM33.EHZ. 2020-04-06T02:41:54.34 0.3 undecidable manual P 38 21.5673 112 0.15 72
IV.FIAM.HHZ. 2020-04-06T02:41:54.43 0.1 undecidable manual S 151 11.2776 127 -0.01 100
IV.FIAM.HHZ. 2020-04-06T02:41:52.61 0.1 undecidable manual P 151 11.2776 127 0.24 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HNN. ML:1.5 0.00042287929999999997 0.28 AML other m 2020-04-06T02:41:55.83
IV.FIAM.HHN. ML:1.2 0.00022570839999999998 0.28 AML other m 2020-04-06T02:41:55.83
IV.FIAM.HNE. ML:2.0 0.00116069835 0.72 AML other m 2020-04-06T02:41:56.36
IV.FIAM.HHE. ML:1.3 0.00022950190000000002 0.3408 AML other m 2020-04-06T02:41:54.77
IV.RM33.HNE. ML:1.9 0.00060018235 0.2496 AML other m 2020-04-06T02:41:58.94
IV.RM33.EHN. ML:1.7 0.00035527285 0.3408 AML other m 2020-04-06T02:42:00.05
IV.RM33.HNN. ML:1.7 0.00037390605 0.3504 AML other m 2020-04-06T02:42:00.05
IV.RM33.EHE. ML:1.9 0.0006037359 0.2592 AML other m 2020-04-06T02:41:58.94
IV.LNSS.HNN. ML:1.7 0.00025554985 0.3696 AML other m 2020-04-06T02:41:59.78
IV.LNSS.HNE. ML:1.5 0.00018063803000000002 0.4288 AML other m 2020-04-06T02:42:04.26
IV.LNSS.HHE. ML:1.5 0.00019141174999999999 0.24 AML other m 2020-04-06T02:42:01.28
IV.LNSS.HHN. ML:1.6 0.00020473330000000001 0.36 AML other m 2020-04-06T02:41:59.96
IV.ARRO.EHN. ML:1.3 0.000082786655 0.2 AML other m 2020-04-06T02:42:03.26
IV.ARRO.EHE. ML:1.3 0.00007967711499999999 0.36 AML other m 2020-04-06T02:42:06.59
IV.CAMP.HHE. ML:1.1 0.00005124206 2.36 AML other m 2020-04-06T02:42:06.25
IV.CAMP.HHN. ML:1.1 0.000054146029999999995 0.4192 AML other m 2020-04-06T02:42:05.32
IV.SMA1.EHE. ML:1.3 0.00007644374000000001 0.5008 AML other m 2020-04-06T02:42:04.40
IV.SMA1.EHN. ML:1.6 0.0001401425 0.4992 AML other m 2020-04-06T02:42:05.24
IV.CERT.HHE. ML:1.3 0.000063232625 0.6192 AML other m 2020-04-06T02:42:10.96
IV.CERT.HHN. ML:1.1 0.000038161515 0.5408 AML other m 2020-04-06T02:42:13.33
IV.FAGN.HHE. ML:1.7 0.00015459465 0.4208 AML other m 2020-04-06T02:42:13.49
IV.FAGN.HHN. ML:1.5 0.000103768645 0.4 AML other m 2020-04-06T02:42:12.18
IV.FDMO.HHN. ML:1.3 0.00002902693 6.84 AML other m 2020-04-06T02:42:22.60
IV.FDMO.HHE. ML:1.1 0.0000182151755 0.2192 AML other m 2020-04-06T02:42:16.30
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