Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 11-05-2020 and time 23:00:51 (Italy) in region 5 km S Borbona (RI)

A magnitude ML 1.9 earthquake occured in region: 5 km S Borbona (RI), on

  • 11-05-2020 21:00:51 (UTC)
  • 11-05-2020 23:00:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4710, 13.1370 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
Borbona RI 5 617 617
Posta RI 7 694 1311
Micigliano RI 7 127 1438
Antrodoco RI 7 2588 4026
Cagnano Amiterno AQ 7 1369 5395
Borgo Velino RI 10 972 6367
Montereale AQ 11 2581 8948
Castel Sant'Angelo RI 12 1308 10256
Barete AQ 12 737 10993
Pizzoli AQ 14 4326 15319
Capitignano AQ 15 665 15984
Scoppito AQ 15 3727 19711
Cittareale RI 17 482 20193
Leonessa RI 17 2435 22628
Cittaducale RI 18 6828 29456
Cantalice RI 19 2755 32211

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of L'Aquila (69753 inhabitants)
41 Km E of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
62 Km NE of Guidonia Montecelio (88673 inhabitants)
63 Km NE of Tivoli (56533 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
84 Km NE of Roma (2864731 inhabitants)
85 Km E of Viterbo (67173 inhabitants)
86 Km W of Chieti (51815 inhabitants)
88 Km W of Pescara (121014 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
93 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 1.9 2020-05-11
21:00:51		 42.4713 13.1368 10 2020-11-19
12:36:45		 Bollettino Sismico Italiano INGV 79413811
Reviewed
Rev100 		ML 2.0 2020-05-11
21:00:51		 42.4683 13.1382 9 2020-05-11
21:20:43		 Sala Sismica INGV-Roma 79057551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-11 21:00:51 ± 0.08
Latitude 42.4713 ± 0.0036
Longitude 13.1368 ± 0.0061
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 79413811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.20869
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 23
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 79413811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-21 15:36:27

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 43
Type of magnitude ML
Reference to an origin 79057551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-11 21:20:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2020-05-11T21:02:04.72 3.0 undecidable manual Sg 6.44 0
IV.SBPO.HNZ. 2020-05-11T21:01:48.02 3.0 negative manual Pg 8.68 0
IV.MAON.HHZ. 2020-05-11T21:01:41.13 3.0 undecidable manual S 2.41 0
IV.VULT.HHZ. 2020-05-11T21:01:34.59 3.0 undecidable manual Pg 3.82 0
IV.PTRJ.HNZ. 2020-05-11T21:01:20.71 3.0 undecidable manual P 2 0
IV.ROSPO.HHZ. 2020-05-11T21:01:20.04 3.0 undecidable manual P 3.65 0
IV.NARO.HHZ. 2020-05-11T21:01:14.21 0.3 undecidable manual P 341 134.1657 50 0.17 58
IV.CSP1.EHZ. 2020-05-11T21:01:13.76 0.3 undecidable manual S 5 69.0753 50 0.81 55
IV.FDMO.HHZ. 2020-05-11T21:01:12.17 0.6 undecidable manual S 356 62.7927 50 0.89 36
IV.MF5.EHZ. 2020-05-11T21:01:11.60 0.3 undecidable manual S 25 63.0924 50 0.26 66
IV.PTQR.HHZ. 2020-05-11T21:01:09.49 0.3 undecidable manual S 156 54.4011 50 0.47 64
IV.MC2.EHZ. 2020-05-11T21:01:08.42 0.3 undecidable manual S 5 49.0176 50 0.83 56
IV.ATCC.EHZ. 2020-05-11T21:01:07.31 0.1 undecidable manual P 333 88.9443 50 0.25 84
IV.NRCA.HHZ. 2020-05-11T21:01:05.35 0.3 undecidable manual S 357 40.2264 50 0.1 71
IV.TERO.HHZ. 2020-05-11T21:01:05.44 0.6 undecidable manual S 66 41.7249 50 -0.21 46
IV.MNTT.EHZ. 2020-05-11T21:01:05.42 0.3 undecidable manual P 30 75.4689 50 0.44 62
IV.ASSB.HHZ. 2020-05-11T21:01:04.57 0.1 undecidable manual P 329 74.37 50 -0.25 87
IV.MTRA.EHE. 2020-05-11T21:01:04.42 0.6 undecidable manual S 34 38.1285 50 -0.26 46
IV.MF5.EHZ. 2020-05-11T21:01:03.39 0.1 negative manual P 25 63.0924 50 0.32 87
IV.ARRO.EHZ. 2020-05-11T21:01:03.24 0.3 undecidable manual S 292 32.6451 50 0.02 73
IV.CSP1.EHZ. 2020-05-11T21:01:03.85 0.1 undecidable manual P 5 69.0753 50 -0.15 89
IV.MOMA.HHZ. 2020-05-11T21:01:02.38 0.1 undecidable manual P 309 59.1963 50 -0.09 92
IV.FDMO.HHZ. 2020-05-11T21:01:02.79 0.1 undecidable manual P 356 62.7927 50 -0.25 88
IV.CESI.HHZ. 2020-05-11T21:01:02.42 0.3 undecidable manual P 342 62.0934 50 -0.51 63
MN.AQU.HNN. 2020-05-11T21:01:01.56 0.6 undecidable manual S 121 25.5522 111 0.28 47
IV.SMA1.EHZ. 2020-05-11T21:01:01.26 0.3 undecidable manual S 43 23.9538 112 0.48 68
IV.PTQR.HHZ. 2020-05-11T21:01:01.28 0.3 undecidable manual P 156 54.4011 50 -0.46 64
IV.T1299.HNN. 2020-05-11T21:01:00.04 0.1 undecidable manual S 33 21.6672 114 0.01 100
IV.FIAM.HHZ. 2020-05-11T21:01:00.87 0.1 undecidable manual S 184 22.6551 114 0.53 89
IV.MC2.EHZ. 2020-05-11T21:01:00.68 0.1 undecidable manual P 5 49.0176 50 -0.23 91
IV.CAMP.HHE. 2020-05-11T21:01:00.60 0.1 undecidable manual S 72 23.3544 113 0.02 100
IV.NRCA.HHZ. 2020-05-11T21:00:59.12 0.1 undecidable manual P 357 40.2264 50 -0.44 89
IV.TERO.HHZ. 2020-05-11T21:00:59.38 0.1 undecidable manual P 66 41.7249 50 -0.4 89
IV.FAGN.HHZ. 2020-05-11T21:00:59.69 0.1 undecidable manual P 122 43.1235 50 -0.32 90
IV.LNSS.HHZ. 2020-05-11T21:00:58.57 0.1 undecidable manual S 332 16.5723 121 0.1 99
IV.MTRA.EHE. 2020-05-11T21:00:58.80 0.1 undecidable manual P 34 38.1285 50 -0.43 89
IV.ARRO.EHZ. 2020-05-11T21:00:58.24 0.3 undecidable manual P 292 32.6451 50 -0.14 72
MN.AQU.HNN. 2020-05-11T21:00:57.31 0.1 undecidable manual P 121 25.5522 111 0.05 99
IV.CAMP.HHE. 2020-05-11T21:00:56.80 0.1 negative manual P 72 23.3544 113 -0.07 99
IV.SMA1.EHZ. 2020-05-11T21:00:56.95 0.1 negative manual P 43 23.9538 112 -0.02 99
IV.T1299.HNN. 2020-05-11T21:00:56.46 0.1 negative manual P 33 21.6672 114 -0.08 99
IV.FIAM.HHZ. 2020-05-11T21:00:56.87 0.1 undecidable manual P 184 22.6551 114 0.14 97
IV.LNSS.HHZ. 2020-05-11T21:00:55.52 0.1 negative manual P 332 16.5723 121 -0.12 99
IV.RM33.EHZ. 2020-05-11T21:00:53.86 0.1 negative manual P 57 7.5813 142 -0.41 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HNE. ML:2.4 0.001694803 1.5104 AML other m 2020-05-11T21:00:59.03
IV.LNSS.HHE. ML:2.2 0.0015184039999999999 0.3072 AML other m 2020-05-11T21:00:59.66
IV.LNSS.HNE. ML:2.2 0.0014286664999999998 0.2816 AML other m 2020-05-11T21:00:59.66
IV.LNSS.HHN. ML:2.2 0.0012694696999999999 1.744 AML other m 2020-05-11T21:01:01.00
IV.LNSS.HNN. ML:2.1 0.0012051594 0.2816 AML other m 2020-05-11T21:01:01.00
IV.SMA1.EHE. ML:2.5 0.0019096034999999997 1.5136 AML other m 2020-05-11T21:01:02.04
IV.SMA1.EHN. ML:2.2 0.0010198677499999999 1.68 AML other m 2020-05-11T21:01:02.12
IV.FIAM.HHE. ML:1.8 0.00036605155 1.616 AML other m 2020-05-11T21:01:03.10
IV.ARRO.EHN. ML:1.6 0.00019683810000000002 0.4608 AML other m 2020-05-11T21:01:04.70
IV.NRCA.HHE. ML:1.9 0.00028300665000000004 0.1408 AML other m 2020-05-11T21:01:06.04
IV.ARRO.EHE. ML:1.7 0.00019937075000000002 0.3968 AML other m 2020-05-11T21:01:06.23
IV.NRCA.HNE. ML:1.9 0.00027195884999999995 0.1792 AML other m 2020-05-11T21:01:06.48
IV.NRCA.HNN. ML:1.7 0.00018277084999999998 0.2304 AML other m 2020-05-11T21:01:07.23
IV.NRCA.HHN. ML:1.8 0.0001993115 0.2432 AML other m 2020-05-11T21:01:07.23
IV.TERO.HNE. ML:1.7 0.00016659057 0.4096 AML other m 2020-05-11T21:01:07.80
IV.FIAM.HNN. ML:2.2 0.0010051850999999998 1.168 AML other m 2020-05-11T21:01:07.35
IV.FIAM.HHN. ML:1.9 0.0005269287 1.1808 AML other m 2020-05-11T21:01:07.35
IV.TERO.HNN. ML:1.9 0.00024888614999999997 1.3728 AML other m 2020-05-11T21:01:08.86
IV.TERO.HHE. ML:1.7 0.00016464329999999998 0.512 AML other m 2020-05-11T21:01:09.36
IV.TERO.HHN. ML:1.9 0.00024847345 0.384 AML other m 2020-05-11T21:01:09.60
IV.FAGN.HHN. ML:2.2 0.0005283115499999999 0.32 AML other m 2020-05-11T21:01:11.34
IV.FAGN.HHE. ML:2.3 0.00066203825 0.6784 AML other m 2020-05-11T21:01:12.16
IV.MOMA.HHN. ML:2.0 0.00020879945 0.2432 AML other m 2020-05-11T21:01:13.15
IV.FDMO.HHN. ML:1.7 0.00009357040999999999 0.3072 AML other m 2020-05-11T21:01:13.28
IV.MOMA.HNE. ML:2.0 0.00018752405 0.2176 AML other m 2020-05-11T21:01:13.30
IV.MOMA.HHE. ML:2.0 0.00019008930000000002 0.2304 AML other m 2020-05-11T21:01:13.31
IV.FDMO.HHE. ML:1.6 0.000081566265 0.2944 AML other m 2020-05-11T21:01:13.63
IV.PTQR.HHE. ML:1.6 0.00009773775 0.2816 AML other m 2020-05-11T21:01:13.51
IV.MOMA.HNN. ML:1.9 0.00017942134999999999 0.2944 AML other m 2020-05-11T21:01:13.80
IV.CESI.HHN. ML:2.0 0.00021690189999999998 0.384 AML other m 2020-05-11T21:01:13.86
IV.CESI.HNE. ML:2.0 0.0002052522 1.2064 AML other m 2020-05-11T21:01:16.74
IV.CSP1.EHN. ML:1.9 0.00014606615 1.4368 AML other m 2020-05-11T21:01:16.76
IV.ASSB.HHE. ML:1.7 0.00007595157999999999 0.2176 AML other m 2020-05-11T21:01:17.33
IV.MF5.EHN. ML:1.9 0.00013895369999999998 0.6272 AML other m 2020-05-11T21:01:19.22
IV.CSP1.EHE. ML:1.8 0.0001120285 0.576 AML other m 2020-05-11T21:01:19.85
IV.ASSB.HHN. ML:1.8 0.00009359046500000002 0.4096 AML other m 2020-05-11T21:01:22.21
IV.ATCC.EHN. ML:2.0 0.00012723359500000001 1.552 AML other m 2020-05-11T21:01:24.19
IV.MNTT.EHE. ML:2.3 0.00027185020000000004 0.5632 AML other m 2020-05-11T21:01:27.21
IV.ATCC.EHE. ML:2.0 0.00011789105 0.7808 AML other m 2020-05-11T21:01:29.59
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