Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 06-02-2020 and time 02:31:04 (Italy) in region 4 km SW Cappadocia (AQ)

A magnitude ML 1.6 earthquake occured in region: 4 km SW Cappadocia (AQ), on

  • 06-02-2020 01:31:04 (UTC)
  • 06-02-2020 02:31:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9750, 13.2610 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
Cappadocia AQ 4 528 528
Vallepietra RM 6 283 811
Castellafiume AQ 6 1106 1917
Tagliacozzo AQ 11 6889 8806
Capistrello AQ 11 5252 14058
Filettino FR 11 565 14623
Scurcola Marsicana AQ 12 2824 17447
Jenne RM 12 366 17813
Trevi nel Lazio FR 12 1822 19635
Canistro AQ 13 995 20630
Camerata Nuova RM 14 447 21077
Subiaco RM 14 9074 30151
Avezzano AQ 15 42515 72666
Sante Marie AQ 15 1166 73832
Civitella Roveto AQ 15 3268 77100
Magliano de' Marsi AQ 16 3690 80790
Arcinazzo Romano RM 16 1348 82138
Cervara di Roma RM 16 455 82593
Pereto AQ 16 682 83275
Affile RM 17 1548 84823
Rocca di Botte AQ 17 856 85679
Luco dei Marsi AQ 17 6079 91758
Massa d'Albe AQ 19 1476 93234
Piglio FR 19 4666 97900
Canterano RM 19 351 98251
Agosta RM 19 1765 100016
Fiuggi FR 19 10536 110552
Roiate RM 20 737 111289
Rocca Canterano RM 20 196 111485
Guarcino FR 20 1623 113108

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Tivoli (56533 inhabitants)
44 Km S of L'Aquila (69753 inhabitants)
44 Km E of Guidonia Montecelio (88673 inhabitants)
51 Km NE of Velletri (53303 inhabitants)
64 Km NE of Latina (125985 inhabitants)
65 Km E of Roma (2864731 inhabitants)
66 Km NE of Aprilia (73446 inhabitants)
71 Km E of Pomezia (62966 inhabitants)
79 Km NE of Anzio (54211 inhabitants)
83 Km SE of Terni (111501 inhabitants)
85 Km SW of Teramo (54892 inhabitants)
86 Km SW of Chieti (51815 inhabitants)
88 Km E of Fiumicino (78395 inhabitants)
95 Km SW of Montesilvano (53738 inhabitants)
96 Km SW of Pescara (121014 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 1.6 2020-02-06
01:31:04		 41.9747 13.2613 10 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77620611
Reviewed
Rev100 		ML 1.6 2020-02-06
01:31:04		 41.9737 13.2568 11 2020-02-06
01:41:56		 Sala Sismica INGV-Roma 76264771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-06 01:31:04 ± 0.06
Latitude 41.9747 ± 0.0036
Longitude 13.2613 ± 0.0048
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 77620611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 120
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47934
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 76264771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-06 01:41:56

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 77620611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-01 23:59:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LADO.EHZ. 2020-02-06T01:32:17.68 3.0 positive manual Pg 14.09 0
IX.STN3.HHZ.02 2020-02-06T01:32:15.42 3.0 undecidable manual Sn -4.63 0
IV.GMB.BHZ. 2020-02-06T01:32:05.30 3.0 positive manual Pn -4.8 0
IV.MTMR.HNZ. 2020-02-06T01:32:03.88 3.0 undecidable manual Sn -1.18 0
IV.VITU.HNZ. 2020-02-06T01:31:59.49 3.0 undecidable manual Sg 3.75 0
IV.IFOR.HHZ. 2020-02-06T01:31:52.02 3.0 undecidable manual Sn -7.47 0
IV.SALB.HHZ. 2020-02-06T01:31:49.55 3.0 undecidable manual Pn -3.48 0
IT.GLNS.HNZ. 2020-02-06T01:31:42.56 3.0 undecidable manual Sn -4.83 0
IV.MTMR.HNZ. 2020-02-06T01:31:34.31 3.0 negative manual Pg 1.25 0
IV.MSAG.HHZ. 2020-02-06T01:31:32.31 3.0 undecidable manual Pn -1.01 0
IV.RDP.HHZ. 2020-02-06T01:31:21.40 0.6 undecidable manual S 243 51.3153 50 0.76 38
IV.INTR.HHE. 2020-02-06T01:31:21.43 0.6 undecidable manual S 85 53.2023 50 0.3 44
IV.LRP.EHN. 2020-02-06T01:31:19.09 0.6 undecidable manual S 143 45.2214 50 0.09 46
IV.MTCE.HHZ. 2020-02-06T01:31:18.48 0.6 undecidable manual S 277 43.1235 50 0.04 47
IV.FIAM.HHN. 2020-02-06T01:31:16.35 0.3 undecidable manual S 340 34.6431 50 0.18 70
IV.MURB.HHZ. 2020-02-06T01:31:14.70 3.0 undecidable manual S 0.99 0
IV.RCAV.EHZ. 2020-02-06T01:31:14.96 0.6 undecidable manual S 242 29.6481 50 0.11 48
IV.CPGN.EHZ. 2020-02-06T01:31:14.20 3.0 undecidable manual P -0.21 0
IV.CRE.HHZ. 2020-02-06T01:31:13.01 3.0 undecidable manual P -1.39 0
IV.RDP.HHZ. 2020-02-06T01:31:13.92 0.3 undecidable manual P 243 51.3153 50 0.26 66
IV.INTR.HHE. 2020-02-06T01:31:13.77 0.1 undecidable manual P 85 53.2023 50 -0.17 90
IV.T0110.HHZ. 2020-02-06T01:31:13.46 0.3 undecidable manual P 56 50.9157 50 -0.13 68
IV.CERT.HHZ. 2020-02-06T01:31:12.83 0.3 undecidable manual S 263 23.2545 112 0 74
IV.LRP.EHN. 2020-02-06T01:31:12.59 0.3 undecidable manual P 143 45.2214 50 -0.12 69
IV.MTCE.HHZ. 2020-02-06T01:31:12.16 0.3 undecidable manual P 277 43.1235 50 -0.23 68
IV.GIUL.HHZ. 2020-02-06T01:31:12.58 0.3 undecidable manual P 181 46.2204 50 -0.28 67
IV.POFI.HNE. 2020-02-06T01:31:12.60 0.3 undecidable manual P 127 46.9197 50 -0.37 65
IT.CSO1.HGE. 2020-02-06T01:31:11.41 0.6 undecidable manual S 315 19.9689 115 -0.39 46
IV.MNTT.EHZ. 2020-02-06T01:31:11.64 3.0 undecidable manual S -1.34 0
IV.GUAR.HHZ. 2020-02-06T01:31:11.74 0.3 undecidable manual S 168 20.4684 115 -0.19 71
IV.FIAM.HHN. 2020-02-06T01:31:10.84 0.1 undecidable manual P 340 34.6431 50 -0.24 92
IV.RCAV.EHZ. 2020-02-06T01:31:10.46 0.3 undecidable manual P 242 29.6481 50 0.15 71
IV.PTQR.HHZ. 2020-02-06T01:31:10.05 0.3 undecidable manual S 65 12.5763 127 0.45 68
IV.CERT.HHZ. 2020-02-06T01:31:08.97 0.1 undecidable manual P 263 23.2545 112 -0.18 95
IT.CSO1.HGE. 2020-02-06T01:31:08.74 0.3 undecidable manual P 315 19.9689 115 0.19 71
IV.GUAR.HHZ. 2020-02-06T01:31:08.96 0.3 undecidable manual P 168 20.4684 115 0.33 69
IV.PTQR.HHZ. 2020-02-06T01:31:07.29 0.1 undecidable manual P 65 12.5763 127 0.01 100
IV.ATTE.HHZ. 2020-02-06T01:31:03.73 3.0 undecidable manual P -1.29 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:1.6 0.0004385 0.26 AML other m 2020-02-06T01:31:10.35
IV.PTQR.HHN. ML:1.3 0.0002345 0.46 AML other m 2020-02-06T01:31:10.36
IV.GUAR.HHN. ML:1.6 0.0003055 0.46 AML other m 2020-02-06T01:31:13.51
IV.GUAR.HHE. ML:1.6 0.000316 0.66 AML other m 2020-02-06T01:31:14.37
IV.CERT.HHN. ML:1.6 0.00022950000000000002 0.34 AML other m 2020-02-06T01:31:15.01
IV.CERT.HHE. ML:1.6 0.00027649999999999994 0.42 AML other m 2020-02-06T01:31:15.34
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