Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-02-2020 and time 03:11:56 (Italy) in region 3 km E Rezzoaglio (GE)

A magnitude ML 1.6 earthquake occured in region: 3 km E Rezzoaglio (GE), on

  • 01-02-2020 02:11:56 (UTC)
  • 01-02-2020 03:11:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.5380, 9.4180 at 6 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
Rezzoaglio GE 3 995 995
Santo Stefano d'Aveto GE 3 1126 2121
Fontanigorda GE 9 277 2398
Ottone PC 12 516 2914
Rovegno GE 12 554 3468
Gorreto GE 13 97 3565
Borzonasca GE 13 2049 5614
Montebruno GE 13 240 5854
Ferriere PC 14 1294 7148
Fascia GE 15 81 7229
Favale di Malvaro GE 16 466 7695
Rondanina GE 16 62 7757
Lorsica GE 16 468 8225
Cerignale PC 17 127 8352
Tornolo PR 17 1010 9362
Bedonia PR 17 3482 12844
Mezzanego GE 17 1537 14381
Zerba PC 18 77 14458
Orero GE 18 565 15023
Propata GE 19 142 15165
Corte Brugnatella PC 20 586 15751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Genova (586655 inhabitants)
58 Km NW of La Spezia (93959 inhabitants)
61 Km SW of Piacenza (102191 inhabitants)
74 Km NW of Carrara (63133 inhabitants)
75 Km S of Pavia (72576 inhabitants)
76 Km SE of Alessandria (93943 inhabitants)
78 Km W of Parma (192836 inhabitants)
79 Km E of Savona (61345 inhabitants)
80 Km NW of Massa (69479 inhabitants)
82 Km SW of Cremona (71901 inhabitants)
97 Km SE of Vigevano (63310 inhabitants)
98 Km W of Reggio nell'Emilia (171345 inhabitants)
100 Km NW of Viareggio (62467 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 2020-02-01
02:11:56		 44.538 9.4185 6 2020-07-18
21:08:21		 Bollettino Sismico Italiano INGV 76649741
Reviewed
Rev100 		ML 1.6 2020-02-01
02:11:55		 44.5188 9.4313 4 2020-02-01
02:23:19		 Sala Sismica INGV-Roma 76086321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-01 02:11:56 ± 0.14
Latitude 44.5380 ± 0.0081
Longitude 9.4185 ± 0.0101
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76649741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 812
Semi-minor axis of confidence ellipse (meter) 645
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.11331
Epicentral distance of station farthest from the epicenter (degree) 0.62233
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 76086321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-01 02:23:19

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 76649741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-20 15:32:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2020-02-01T02:12:18.39 0.6 undecidable manual S 271 69.0753 50 0.25 45
IV.PLMA.HHZ. 2020-02-01T02:12:16.29 0.3 undecidable manual S 147 64.1913 50 -0.56 63
GU.GRAM.HHZ. 2020-02-01T02:12:13.10 0.6 undecidable manual S 96 51.5151 50 -0.34 46
IT.GNV.HGE. 2020-02-01T02:12:09.96 0.6 undecidable manual S 253 40.2264 98 -0.22 48
GU.RNCA.HHZ. 2020-02-01T02:12:08.86 0.3 undecidable manual S 259 37.7289 99 -0.44 69
GU.PCP.HHZ. 2020-02-01T02:12:08.53 0.3 undecidable manual P 271 69.0753 50 -0.28 67
IV.PCN.EHE. 2020-02-01T02:12:08.31 0.6 undecidable manual P 23 60.1953 50 0.87 37
IV.SARZ.HHE. 2020-02-01T02:12:07.15 0.3 undecidable manual P 313 54.0015 50 0.66 62
IV.PLMA.HHZ. 2020-02-01T02:12:07.87 0.3 undecidable manual P 147 64.1913 50 -0.19 69
GU.GRAM.HHZ. 2020-02-01T02:12:06.41 0.3 undecidable manual P 96 51.5151 50 0.31 69
IT.GNV.HGE. 2020-02-01T02:12:04.48 1.0 undecidable manual P 253 40.2264 98 0.27 24
IV.BOB.HHZ. 2020-02-01T02:12:04.40 0.6 undecidable manual S 5 25.6521 -0.77 42
GU.RNCA.HHZ. 2020-02-01T02:12:03.61 0.3 undecidable manual P 259 37.7289 99 -0.1 74
IV.MSSA.HHZ. 2020-02-01T02:12:01.89 0.1 undecidable manual P 162 25.8519 103 0.53 92
IV.BOB.HHZ. 2020-02-01T02:12:01.01 0.1 positive manual P 5 25.6521 -0.31 96
GU.GORR.HHZ. 2020-02-01T02:12:00.95 0.3 undecidable manual S 308 12.5763 115 0.09 77
GU.GORR.HHZ. 2020-02-01T02:11:59.08 0.1 negative manual P 308 12.5763 115 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GORR.HHN. ML:2.0 0.001349893 0.32 AML other m 2020-02-01T02:12:01.32
IV.BOB.HNE. ML:1.9 0.00048194745 0.3312 AML other m 2020-02-01T02:12:04.63
IV.BOB.HHE. ML:1.8 0.00040463385 0.32 AML other m 2020-02-01T02:12:04.62
IV.BOB.HHN. ML:1.7 0.00032578079999999996 0.48 AML other m 2020-02-01T02:12:04.75
IV.BOB.HNN. ML:1.7 0.00031171745000000003 0.3696 AML other m 2020-02-01T02:12:04.61
GU.RNCA.HHE. ML:1.5 0.00012877855 0.1408 AML other m 2020-02-01T02:12:09.56
GU.RNCA.HHN. ML:1.5 0.00011995785000000001 0.16 AML other m 2020-02-01T02:12:09.57
GU.GRAM.HHN. ML:1.3 0.00004795638 0.1792 AML other m 2020-02-01T02:12:15.16
GU.GRAM.HHE. ML:1.4 0.00005903552 0.1392 AML other m 2020-02-01T02:12:15.35
IV.PLMA.HHN. ML:1.7 0.000104581385 0.12 AML other m 2020-02-01T02:12:18.42
IV.PLMA.HHE. ML:1.8 0.00012083435000000001 0.32 AML other m 2020-02-01T02:12:20.22
GU.PCP.HHN. ML:1.4 0.00004366573 0.7008 AML other m 2020-02-01T02:12:21.83
GU.PCP.HHE. ML:1.3 0.000035326215 0.24 AML other m 2020-02-01T02:12:21.38
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