Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 23-05-2020 and time 04:49:12 (UTC) in region 4 km N Capistrello (AQ)

A magnitude ML 1.7 earthquake occured in region: 4 km N Capistrello (AQ), on

  • 23-05-2020 04:49:12 (UTC)
  • 23-05-2020 06:49:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0060, 13.3850 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
Capistrello AQ 4 5252 5252
Castellafiume AQ 5 1106 6358
Avezzano AQ 5 42515 48873
Canistro AQ 7 995 49868
Scurcola Marsicana AQ 8 2824 52692
Luco dei Marsi AQ 9 6079 58771
Cappadocia AQ 9 528 59299
Magliano de' Marsi AQ 10 3690 62989
Civitella Roveto AQ 11 3268 66257
Massa d'Albe AQ 12 1476 67733
Tagliacozzo AQ 13 6889 74622
Filettino FR 14 565 75187
Trasacco AQ 14 6246 81433
Civita d'Antino AQ 15 979 82412
Vallepietra RM 15 283 82695
Celano AQ 16 11017 93712
Morino AQ 17 1448 95160
Ovindoli AQ 18 1227 96387
Sante Marie AQ 19 1166 97553
Aielli AQ 19 1475 99028
Cerchio AQ 19 1635 100663
Trevi nel Lazio FR 19 1822 102485
San Benedetto dei Marsi AQ 20 3909 106394

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of L'Aquila (69753 inhabitants)
49 Km E of Tivoli (56533 inhabitants)
54 Km E of Guidonia Montecelio (88673 inhabitants)
62 Km NE of Velletri (53303 inhabitants)
72 Km NE of Latina (125985 inhabitants)
75 Km SW of Chieti (51815 inhabitants)
76 Km E of Roma (2864731 inhabitants)
76 Km NE of Aprilia (73446 inhabitants)
77 Km SW of Teramo (54892 inhabitants)
82 Km E of Pomezia (62966 inhabitants)
85 Km SW of Montesilvano (53738 inhabitants)
85 Km SW of Pescara (121014 inhabitants)
87 Km SE of Terni (111501 inhabitants)
88 Km NE of Anzio (54211 inhabitants)
98 Km E of Fiumicino (78395 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 1.7 2020-05-23
04:49:12		 42.0057 13.3848 10 2020-11-19
12:36:47		 Bollettino Sismico Italiano INGV 79998361
Reviewed
Rev100 		ML 1.6 2020-05-23
04:49:12		 42.002 13.3937 11 2020-05-23
04:55:21		 Sala Sismica INGV-Roma 79469741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-23 04:49:12 ± 0.1
Latitude 42.0057 ± 0.0036
Longitude 13.3848 ± 0.0048
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79998361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 27
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68888
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 79998361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-08 10:48:46

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 79469741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-23 04:55:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2020-05-23T04:49:52.19 3.0 negative manual Pg 3 0
TV.SF04.EHZ. 2020-05-23T04:49:39.43 3.0 undecidable manual P -0.5 0
IV.SRES.HHZ. 2020-05-23T04:49:36.05 0.3 undecidable manual S 290 76.4679 50 0.38 64
IV.SMA1.EHZ. 2020-05-23T04:49:34.05 0.1 undecidable manual S 357 69.4749 50 0.24 89
IV.CERA.HHZ. 2020-05-23T04:49:33.69 0.3 undecidable manual S 131 69.1752 50 -0.05 70
IV.LPEL.HHZ. 2020-05-23T04:49:33.14 0.1 undecidable manual S 86 65.9895 50 0.27 90
IV.FDMO.HHZ. 2020-05-23T04:49:32.38 3.0 positive manual P -0.82 0
IV.LATB.EHZ. 2020-05-23T04:49:32.90 0.3 undecidable manual S 212 66.6777 50 -0.17 69
IV.CAMP.HHE. 2020-05-23T04:49:31.00 0.3 undecidable manual S 2 58.8966 50 0.02 72
IV.VCEL.EHZ. 2020-05-23T04:49:30.97 0.1 undecidable manual S 41 57.0984 50 0.45 88
IV.RM33.EHZ. 2020-05-23T04:49:30.94 0.1 undecidable manual S 346 57.5979 50 0.3 90
IV.GIUL.HHZ. 2020-05-23T04:49:29.69 0.1 undecidable manual S 192 50.8158 50 0.87 75
IV.MTCE.HHZ. 2020-05-23T04:49:29.17 0.3 undecidable manual S 272 53.0025 50 -0.25 69
IT.SULC.HNZ. 2020-05-23T04:49:27.36 0.3 undecidable manual S 81 43.7229 50 0.41 68
IV.INTR.HHZ. 2020-05-23T04:49:27.06 0.1 undecidable manual S 89 42.8238 50 0.35 92
IV.LRP.EHZ. 2020-05-23T04:49:27.24 0.1 undecidable manual S 157 43.1235 50 0.46 90
IV.SRES.HHZ. 2020-05-23T04:49:26.15 0.3 undecidable manual P 290 76.4679 50 0.21 67
IV.RCAV.EHZ. 2020-05-23T04:49:26.00 0.3 undecidable manual S 244 40.3263 50 -0.03 74
IV.POFI.HHZ. 2020-05-23T04:49:26.26 0.1 undecidable manual S 140 41.8248 50 -0.18 95
IV.T0110.HHZ. 2020-05-23T04:49:26.28 0.1 undecidable manual S 52 40.626 50 0.15 96
IV.FIAM.HHZ. 2020-05-23T04:49:25.09 0.1 undecidable manual S 323 36.5412 50 0.08 98
MN.AQU.HNN. 2020-05-23T04:49:25.53 0.3 undecidable manual S 2 38.7279 50 -0.07 74
IV.SMA1.EHZ. 2020-05-23T04:49:25.44 0.1 undecidable manual P 357 69.4749 50 0.58 82
IV.FAGN.HHZ. 2020-05-23T04:49:24.39 0.1 undecidable manual S 29 33.1446 50 0.26 95
IV.CERA.HHZ. 2020-05-23T04:49:24.48 0.1 undecidable manual P 131 69.1752 50 -0.35 88
IV.LATB.EHZ. 2020-05-23T04:49:23.94 0.3 undecidable manual P 212 66.6777 50 -0.5 64
IV.LPEL.HHZ. 2020-05-23T04:49:23.89 0.1 undecidable manual P 86 65.9895 50 -0.43 86
IV.CAMP.HHE. 2020-05-23T04:49:23.26 0.3 undecidable manual P 2 58.8966 50 0.03 71
IV.CERT.HHZ. 2020-05-23T04:49:23.70 0.1 undecidable manual S 259 33.8439 50 -0.6 87
IV.MTCE.HHZ. 2020-05-23T04:49:22.21 0.3 undecidable manual P 272 53.0025 50 -0.12 71
IV.RM33.EHZ. 2020-05-23T04:49:22.37 0.1 undecidable manual P 346 57.5979 50 -0.66 81
IV.VCEL.EHZ. 2020-05-23T04:49:22.80 0.1 undecidable manual P 41 57.0984 50 -0.17 93
IT.CSO1.HGZ. 2020-05-23T04:49:22.74 0.3 undecidable manual S 293 26.6511 50 0.36 71
IV.GUAR.HHZ. 2020-05-23T04:49:21.95 0.1 undecidable manual S 194 24.1536 50 0.23 97
IV.RCAV.EHZ. 2020-05-23T04:49:21.07 0.3 undecidable manual P 244 40.3263 50 0.7 62
IV.GIUL.HHZ. 2020-05-23T04:49:21.94 0.1 undecidable manual P 192 50.8158 50 -0.05 96
IV.VVLD.HHZ. 2020-05-23T04:49:21.68 0.1 undecidable manual S 127 24.753 50 -0.21 98
IV.GIGS.HHN. 2020-05-23T04:49:21.24 0.1 undecidable manual P 17 52.0035 50 -0.93 73
IV.INTR.HHZ. 2020-05-23T04:49:20.34 0.1 undecidable manual P 89 42.8238 50 -0.42 90
IV.LRP.EHZ. 2020-05-23T04:49:20.62 0.1 undecidable manual P 157 43.1235 50 -0.19 95
IT.SULC.HNZ. 2020-05-23T04:49:20.64 0.3 undecidable manual P 81 43.7229 50 -0.26 70
IV.POFI.HHZ. 2020-05-23T04:49:20.24 0.1 undecidable manual P 140 41.8248 50 -0.37 92
IV.CERT.HHZ. 2020-05-23T04:49:19.36 0.1 undecidable manual P 259 33.8439 50 -0.02 100
IV.T0110.HHZ. 2020-05-23T04:49:19.81 0.1 undecidable manual P 52 40.626 50 -0.62 85
IV.FIAM.HHZ. 2020-05-23T04:49:19.91 0.1 undecidable manual P 323 36.5412 50 0.12 97
MN.AQU.HNN. 2020-05-23T04:49:19.41 0.3 undecidable manual P 2 38.7279 50 -0.71 62
IV.FAGN.HHZ. 2020-05-23T04:49:19.08 0.1 undecidable manual P 29 33.1446 50 -0.19 97
IT.CSO1.HGZ. 2020-05-23T04:49:18.02 0.3 undecidable manual P 293 26.6511 50 -0.25 72
IV.VVLD.HHZ. 2020-05-23T04:49:18.21 0.1 undecidable manual P 127 24.753 50 0.23 97
IV.GUAR.HHZ. 2020-05-23T04:49:18.04 0.1 negative manual P 194 24.1536 50 0.15 99
IV.PTQR.HHZ. 2020-05-23T04:49:16.64 0.1 undecidable manual S 35 2.1978 168 0.33 99
IV.PTQR.HHZ. 2020-05-23T04:49:15.07 0.1 negative manual P 35 2.1978 168 0.31 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:2.2 0.002975 0.16 AML other m 2020-05-23T04:49:16.94
IV.PTQR.HHN. ML:2.0 0.001945 1.22 AML other m 2020-05-23T04:49:17.74
IV.GUAR.HHE. ML:2.1 0.000718 0.12 AML other m 2020-05-23T04:49:22.34
IV.GUAR.HHN. ML:2.1 0.0008025 1.18 AML other m 2020-05-23T04:49:22.32
IV.INTR.HNE. ML:1.9 0.000255 0.6 AML other m 2020-05-23T04:49:27.50
IV.LRP.EHE. ML:1.5 0.00010255 0.14 AML other m 2020-05-23T04:49:28.77
IV.RM33.EHE. ML:1.6 0.00007965 0.86 AML other m 2020-05-23T04:49:35.45
IV.VVLD.HHN. ML:1.5 0.00017127795 0.24 AML other m 2020-05-23T04:49:22.37
IV.VVLD.HNN. ML:1.4 0.00016117105 0.48 AML other m 2020-05-23T04:49:22.26
IV.VVLD.HNE. ML:1.5 0.00016877135 1.0208 AML other m 2020-05-23T04:49:21.81
IV.VVLD.HHE. ML:1.5 0.00018158275000000002 0.24 AML other m 2020-05-23T04:49:21.92
IV.FAGN.HHN. ML:2.0 0.0003996432 0.2816 AML other m 2020-05-23T04:49:24.94
IV.CERT.HHE. ML:1.5 0.00014608470000000001 0.5184 AML other m 2020-05-23T04:49:25.04
IV.CERT.HHN. ML:1.2 0.000060260645 0.1824 AML other m 2020-05-23T04:49:24.58
IV.T0110.HHN. ML:2.0 0.00031555635000000005 0.3424 AML other m 2020-05-23T04:49:26.60
IV.T0110.HHE. ML:1.9 0.00025505479999999995 0.3808 AML other m 2020-05-23T04:49:26.57
IV.INTR.HHE. ML:1.7 0.00017717325 0.3232 AML other m 2020-05-23T04:49:27.80
IV.INTR.HHN. ML:2.0 0.00028908499999999996 0.3808 AML other m 2020-05-23T04:49:27.77
IV.INTR.HNN. ML:2.0 0.00029017334999999997 0.3808 AML other m 2020-05-23T04:49:27.77
IV.GIUL.HHE. ML:1.2 0.000041107695 1.44 AML other m 2020-05-23T04:49:30.85
IV.GIUL.HHN. ML:1.4 0.000064367405 0.24 AML other m 2020-05-23T04:49:30.21
IV.RM33.EHN. ML:1.4 0.000047949145 0.4192 AML other m 2020-05-23T04:49:34.69
IV.VCEL.EHE. ML:1.8 0.00015394079999999998 0.2784 AML other m 2020-05-23T04:49:32.72
IV.VCEL.EHN. ML:1.8 0.00012936730000000002 0.24 AML other m 2020-05-23T04:49:32.41
IV.LPEL.HHE. ML:1.5 0.000053706075 0.72 AML other m 2020-05-23T04:49:33.74
IV.LPEL.HHN. ML:1.5 0.000056814674999999995 0.4384 AML other m 2020-05-23T04:49:33.43
IV.SRES.HHE. ML:1.1 0.00002206035 0.3776 AML other m 2020-05-23T04:49:40.54
IV.SRES.HHN. ML:1.3 0.00002981982 0.4 AML other m 2020-05-23T04:49:40.23
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