Earthquake with magnitude of ML 1.2 on date 23-05-2020 and time 07:01:16 (Italy) in region 4 km SW Avezzano (AQ)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Avezzano (AQ), on

  • 23-05-2020 05:01:16 (UTC)
  • 23-05-2020 07:01:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0030, 13.4070 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Avezzano AQ 4 42515 42515
Capistrello AQ 4 5252 47767
Castellafiume AQ 6 1106 48873
Luco dei Marsi AQ 7 6079 54952
Canistro AQ 7 995 55947
Scurcola Marsicana AQ 9 2824 58771
Civitella Roveto AQ 10 3268 62039
Cappadocia AQ 11 528 62567
Magliano de' Marsi AQ 11 3690 66257
Massa d'Albe AQ 12 1476 67733
Trasacco AQ 12 6246 73979
Civita d'Antino AQ 14 979 74958
Filettino FR 14 565 75523
Tagliacozzo AQ 15 6889 82412
Celano AQ 15 11017 93429
Morino AQ 16 1448 94877
Vallepietra RM 17 283 95160
Ovindoli AQ 17 1227 96387
Cerchio AQ 18 1635 98022
Aielli AQ 18 1475 99497
San Benedetto dei Marsi AQ 18 3909 103406
Collarmele AQ 19 894 104300
Collelongo AQ 20 1233 105533

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km S of L'Aquila (69753 inhabitants)
50 Km E of Tivoli (56533 inhabitants)
56 Km E of Guidonia Montecelio (88673 inhabitants)
63 Km NE of Velletri (53303 inhabitants)
73 Km NE of Latina (125985 inhabitants)
74 Km SW of Chieti (51815 inhabitants)
77 Km SW of Teramo (54892 inhabitants)
77 Km E of Roma (2864731 inhabitants)
78 Km NE of Aprilia (73446 inhabitants)
84 Km E of Pomezia (62966 inhabitants)
84 Km SW of Montesilvano (53738 inhabitants)
84 Km SW of Pescara (121014 inhabitants)
88 Km SE of Terni (111501 inhabitants)
89 Km NE of Anzio (54211 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 1.2 2020-05-23
05:01:16
42.0028 13.407 10 2020-11-19
12:36:55
Bollettino Sismico Italiano INGV 81583781
Reviewed
Rev100
ML 1.4 2020-05-23
05:01:16
42.0067 13.3937 9 2020-05-23
05:10:22
Sala Sismica INGV-Roma 79469881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-23 05:01:16 ± 0.1
Latitude 42.0028 ± 0.0054
Longitude 13.4070 ± 0.0097
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 81583781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 513
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65830
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 79469881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-23 05:10:22

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 81583781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-02 16:25:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ROTM.HHZ. 2020-05-23T05:03:06.53 3.0 undecidable manual Sn -0.95 0
IV.LPDG.HHZ. 2020-05-23T05:03:02.21 3.0 positive manual Pg 20.549999 0
XK.GIZZ.HHZ. 2020-05-23T05:02:45.93 3.0 undecidable manual Sn -4.45 0
GU.ROTM.HHZ. 2020-05-23T05:02:30.81 3.0 undecidable manual Pg 14.45 0
IV.BRSN.EHZ. 2020-05-23T05:02:28.73 3.0 undecidable manual Sg 9.95 0
ST.RONC.EHZ. 2020-05-23T05:02:25.00 3.0 negative manual Pg 9.31 0
IV.PZUN.HHZ. 2020-05-23T05:02:17.65 3.0 undecidable manual Sn -0.13 0
XK.GIZZ.HHZ. 2020-05-23T05:02:17.67 3.0 undecidable manual Pg 10.92 0
IV.SARZ.HHZ. 2020-05-23T05:02:16.83 3.0 positive manual Pn 4.38 0
OT.OT05.EHZ. 2020-05-23T05:02:12.09 3.0 undecidable manual Sg 6.05 0
IV.ERC.EHZ. 2020-05-23T05:02:08.04 3.0 undecidable manual Pn 0.81 0
IV.MNTV.HNZ. 2020-05-23T05:02:03.60 3.0 negative manual Pn -1.07 0
IV.FIR.HHZ. 2020-05-23T05:01:49.25 3.0 positive manual Pg 3.23 0
OT.OT13.EHZ. 2020-05-23T05:01:45.56 3.0 positive manual Pn -2.01 0
OT.OT05.EHZ. 2020-05-23T05:01:42.32 3.0 negative manual Pn 0.48 0
IV.ROSPO.HHZ. 2020-05-23T05:01:39.69 3.0 positive manual Pg 4.34 0
IV.NARO.HHZ. 2020-05-23T05:01:38.85 3.0 positive manual Pn -0.05 0
IV.GIUL.HHZ. 2020-05-23T05:01:33.66 0.6 undecidable manual S 194 50.9157 50 0.66 40
IV.INTR.HHZ. 2020-05-23T05:01:31.07 0.6 undecidable manual S 88 41.0256 50 0.7 40
IV.LRP.EHZ. 2020-05-23T05:01:31.19 0.6 undecidable manual S 159 42.1245 50 0.52 43
IV.POFI.HHZ. 2020-05-23T05:01:30.25 0.6 undecidable manual S 141 40.4262 50 0.03 48
IV.LNSS.HNZ. 2020-05-23T05:01:30.32 0.3 undecidable manual P 336 73.0713 50 0.77 55
IV.T1299.HNN. 2020-05-23T05:01:29.34 0.3 undecidable manual P 352 70.7736 50 0.14 67
IV.FIAM.HHZ. 2020-05-23T05:01:29.57 0.6 undecidable manual S 321 37.8288 50 0.04 48
IV.T0110.HHZ. 2020-05-23T05:01:29.92 0.3 undecidable manual S 50 39.4272 50 -0.03 72
IV.SMA1.EHN. 2020-05-23T05:01:29.69 0.3 undecidable manual P 355 69.8745 50 0.63 59
IV.LPEL.HHZ. 2020-05-23T05:01:28.71 0.3 undecidable manual P 85 64.1913 50 0.54 62
IV.CERT.HHZ. 2020-05-23T05:01:28.38 0.6 undecidable manual S 260 35.5422 50 -0.53 43
IV.RM33.EHZ. 2020-05-23T05:01:28.21 0.3 undecidable manual P 344 58.2972 50 0.93 53
IV.GIGS.HHN. 2020-05-23T05:01:25.34 0.3 undecidable manual P 15 51.8037 50 -0.93 54
IV.VVLD.HHZ. 2020-05-23T05:01:25.40 0.3 undecidable manual S 130 23.1546 114 -0.11 73
IV.GIUL.HHZ. 2020-05-23T05:01:25.95 0.3 undecidable manual P 194 50.9157 50 -0.18 69
IV.GUAR.HHZ. 2020-05-23T05:01:25.88 0.3 undecidable manual S 199 24.3534 112 -0.02 74
IV.POFI.HHZ. 2020-05-23T05:01:24.36 0.3 undecidable manual P 141 40.4262 50 -0.17 70
IV.INTR.HHZ. 2020-05-23T05:01:24.47 0.3 undecidable manual P 88 41.0256 50 -0.14 71
IV.FIAM.HHZ. 2020-05-23T05:01:24.25 0.6 undecidable manual P 321 37.8288 50 0.12 48
IV.LRP.EHZ. 2020-05-23T05:01:24.79 0.3 undecidable manual P 159 42.1245 50 0 72
IV.T0110.HHZ. 2020-05-23T05:01:23.97 0.3 undecidable manual P 50 39.4272 50 -0.4 67
MN.AQU.HNN. 2020-05-23T05:01:23.36 0.6 undecidable manual P 360 38.9277 50 -0.93 37
IV.CERT.HHZ. 2020-05-23T05:01:23.33 0.3 undecidable manual P 260 35.5422 50 -0.44 67
IV.FAGN.HHZ. 2020-05-23T05:01:22.36 0.3 undecidable manual P 26 32.6451 50 -0.95 55
IV.VVLD.HHZ. 2020-05-23T05:01:21.51 0.1 undecidable manual P 130 23.1546 114 -0.3 94
IV.GUAR.HHZ. 2020-05-23T05:01:21.97 0.3 undecidable manual P 199 24.3534 112 -0.06 74
IV.PTQR.HHZ. 2020-05-23T05:01:20.59 0.3 undecidable manual S 346 2.1978 168 0.26 74
IV.PTQR.HHZ. 2020-05-23T05:01:18.99 0.1 undecidable manual P 346 2.1978 168 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HNN. ML:1.3 0.0001264208 1.0976 AML other m 2020-05-23T05:01:25.90
IV.GUAR.HHE. ML:1.6 0.000262 0.12 AML other m 2020-05-23T05:01:26.23
IV.GUAR.HHN. ML:1.6 0.0002695 0.6 AML other m 2020-05-23T05:01:26.52
IV.VVLD.HHE. ML:1.1 0.00007575 0.78 AML other m 2020-05-23T05:01:27.40
IV.VVLD.HHN. ML:1.2 0.0001095 0.28 AML other m 2020-05-23T05:01:27.35
IV.VVLD.HNE. ML:1.3 0.00012154670000000001 1.52 AML other m 2020-05-23T05:01:28.24
IV.FAGN.HHN. ML:1.6 0.000164 0.38 AML other m 2020-05-23T05:01:29.96
IV.CERT.HHE. ML:1.2 0.00006965 0.62 AML other m 2020-05-23T05:01:30.66
IV.T0110.HHE. ML:1.5 0.00011555 0.24 AML other m 2020-05-23T05:01:31.05
IV.CERT.HHN. ML:1.0 0.00003775 0.18 AML other m 2020-05-23T05:01:31.26
IV.INTR.HHN. ML:1.5 0.00010180000000000001 0.38 AML other m 2020-05-23T05:01:31.66
IV.INTR.HNN. ML:1.6 0.00014304982999999998 0.4192 AML other m 2020-05-23T05:01:31.66
IV.INTR.HNE. ML:1.6 0.00012459895 0.2592 AML other m 2020-05-23T05:01:31.92
IV.POFI.HHN. ML:0.8 0.0000211 0.44 AML other m 2020-05-23T05:01:32.36
IV.FAGN.HHE. ML:1.9 0.0003175 0.28 AML other m 2020-05-23T05:01:32.28
IV.T0110.HHN. ML:1.6 0.000128 0.34 AML other m 2020-05-23T05:01:32.70
IV.FIAM.HHN. ML:0.7 0.000019549999999999997 0.36 AML other m 2020-05-23T05:01:32.57
IV.LRP.EHE. ML:1.1 0.00004245 1.3 AML other m 2020-05-23T05:01:32.67
IV.INTR.HHE. ML:1.3 0.00006264999999999999 1.2 AML other m 2020-05-23T05:01:32.34
IV.POFI.HHE. ML:0.8 0.0000219 1.4 AML other m 2020-05-23T05:01:33.94
IV.FIAM.HHE. ML:0.7 0.00001855 1.26 AML other m 2020-05-23T05:01:34.83
IV.LRP.EHN. ML:0.5 0.000011989999999999999 0.48 AML other m 2020-05-23T05:01:34.10
IV.GIUL.HHN. ML:1.0 0.000026799999999999998 0.56 AML other m 2020-05-23T05:01:37.63
IV.GIUL.HHE. ML:1.0 0.000023800000000000003 1.34 AML other m 2020-05-23T05:01:39.88
IV.RM33.EHN. ML:1.1 0.000023899999999999998 0.44 AML other m 2020-05-23T05:01:41.30
IV.RM33.EHE. ML:1.2 0.00003065 0.92 AML other m 2020-05-23T05:01:44.59
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