Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 02-04-2020 and time 10:22:45 (Italy) in region 7 km NE Amatrice (RI)

A magnitude ML 1.7 earthquake occured in region: 7 km NE Amatrice (RI), on

  • 02-04-2020 08:22:45 (UTC)
  • 02-04-2020 10:22:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6710, 13.3510 at 13 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
Amatrice RI 7 2657 2657
Accumoli RI 9 667 3324
Acquasanta Terme AP 12 2916 6240
Arquata del Tronto AP 12 1178 7418
Campotosto AQ 13 542 7960
Cortino TE 14 656 8616
Valle Castellana TE 14 977 9593
Rocca Santa Maria TE 15 537 10130
Cittareale RI 17 482 10612
Capitignano AQ 17 665 11277
Crognaleto TE 17 1297 12574
Montereale AQ 18 2581 15155
Montegallo AP 19 523 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
59 Km E of Terni (111501 inhabitants)
62 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
92 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 1.7 2020-04-02
08:22:45		 42.6713 13.3513 13 2020-07-18
21:08:40		 Bollettino Sismico Italiano INGV 79997101
Reviewed
Rev100 		ML 1.9 2020-04-02
08:22:45		 42.6715 13.3513 14 2020-04-02
08:30:16		 Sala Sismica INGV-Roma 77783311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-02 08:22:45 ± 0.06
Latitude 42.6713 ± 0.0027
Longitude 13.3513 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79997101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 428
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.58816
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 79997101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-08 09:05:46

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 77783311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-02 08:30:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2020-04-02T08:23:14.63 3.0 undecidable manual S -1.64 0
IV.EL6.EHZ. 2020-04-02T08:23:09.34 3.0 undecidable manual S -0.3 0
IV.MOMA.HHZ. 2020-04-02T08:23:06.14 0.6 undecidable manual S 283 65.2902 92 0.84 35
IV.VCEL.EHE. 2020-04-02T08:23:01.95 0.6 undecidable manual S 127 50.4162 93 0.63 41
IV.FDMO.HHZ. 2020-04-02T08:23:00.10 0.6 undecidable manual S 332 45.8208 94 0 48
IT.MTCL.HGE. 2020-04-02T08:23:00.02 0.6 undecidable manual S 321 45.8208 94 -0.08 47
IV.CSP1.EHZ. 2020-04-02T08:23:00.97 0.6 undecidable manual S 346 48.1185 93 0.26 45
IV.MF5.EHZ. 2020-04-02T08:22:58.12 0.6 undecidable manual S 14 36.2415 95 0.59 44
IV.EL6.EHZ. 2020-04-02T08:22:58.53 3.0 positive manual P -0.38 0
IV.FEMA.HNE. 2020-04-02T08:22:58.81 0.6 undecidable manual S 323 40.5261 94 0.13 47
IV.SNTG.HHZ. 2020-04-02T08:22:58.14 3.0 negative manual P -0.25 0
IV.OFFI.HHZ. 2020-04-02T08:22:58.97 0.6 undecidable manual S 43 39.9267 94 0.44 45
MN.AQU.HHZ. 2020-04-02T08:22:57.37 0.6 undecidable manual S 173 35.4423 95 0.03 48
IV.T0110.HHZ. 2020-04-02T08:22:56.29 0.3 undecidable manual P 145 60.0954 92 0.21 67
IV.MOMA.HHZ. 2020-04-02T08:22:56.99 0.3 undecidable manual P 283 65.2902 92 0.11 67
IV.CESX.HHZ. 2020-04-02T08:22:56.42 0.3 undecidable manual P 264 62.7927 92 -0.07 69
IV.LNSS.HHZ. 2020-04-02T08:22:55.23 0.6 undecidable manual S 253 26.4513 99 0.27 46
IV.GIGS.HHZ. 2020-04-02T08:22:55.56 0.6 undecidable manual S 143 30.2475 97 -0.39 45
IV.TRTR.HHZ. 2020-04-02T08:22:55.01 0.3 undecidable manual P 71 48.2184 93 0.75 59
IV.MC2.EHZ. 2020-04-02T08:22:55.84 0.6 undecidable manual S 334 29.748 97 0.02 49
IV.MNTT.EHZ. 2020-04-02T08:22:54.65 0.1 positive manual P 25 47.619 93 0.49 87
IV.NRCA.HHZ. 2020-04-02T08:22:54.72 0.6 undecidable manual S 313 26.3514 99 -0.21 47
IV.VCEL.EHE. 2020-04-02T08:22:54.63 0.3 undecidable manual P 127 50.4162 93 0.04 71
IV.CESI.HHZ. 2020-04-02T08:22:54.66 0.3 undecidable manual P 316 51.9036 93 -0.15 69
IV.ARRO.EHZ. 2020-04-02T08:22:54.22 0.3 undecidable manual P 258 48.9177 93 -0.13 70
IV.MMO1.EHZ. 2020-04-02T08:22:54.36 0.6 undecidable manual S 355 25.3524 99 -0.3 46
IV.FIAM.HHZ. 2020-04-02T08:22:54.08 3.0 undecidable manual P -0.24 0
IV.CSP1.EHZ. 2020-04-02T08:22:53.94 0.1 positive manual P 346 48.1185 93 -0.3 89
IV.OFFI.HHZ. 2020-04-02T08:22:53.52 0.3 undecidable manual P 43 39.9267 94 0.54 65
IV.FAGN.HHZ. 2020-04-02T08:22:53.94 0.6 undecidable manual P 157 48.8178 93 -0.41 44
IV.TERO.HNZ. 2020-04-02T08:22:53.01 0.6 undecidable manual S 105 21.2676 103 -0.59 42
IV.FDMO.HHZ. 2020-04-02T08:22:53.57 0.1 positive manual P 332 45.8208 94 -0.31 89
IV.RM33.EHZ. 2020-04-02T08:22:53.76 0.3 undecidable manual S 212 21.1677 103 0.19 71
IT.MTCL.HGE. 2020-04-02T08:22:53.63 0.3 undecidable manual P 321 45.8208 94 -0.25 68
IV.FEMA.HNE. 2020-04-02T08:22:52.94 0.3 undecidable manual P 323 40.5261 94 -0.13 70
IV.CAMP.HHZ. 2020-04-02T08:22:52.04 0.3 undecidable manual S 163 15.7731 113 -0.15 74
MN.AQU.HHZ. 2020-04-02T08:22:52.24 0.3 undecidable manual P 173 35.4423 95 -0.05 73
IV.MF5.EHZ. 2020-04-02T08:22:52.54 0.1 positive manual P 14 36.2415 95 0.14 95
IV.GIGS.HHZ. 2020-04-02T08:22:51.02 0.3 undecidable manual P 143 30.2475 97 -0.47 67
IV.MC2.EHZ. 2020-04-02T08:22:51.27 0.3 undecidable manual P 334 29.748 97 -0.14 71
IV.RM33.EHZ. 2020-04-02T08:22:50.16 0.1 positive manual P 212 21.1677 103 0.05 98
IV.MMO1.EHZ. 2020-04-02T08:22:50.48 0.1 positive manual P 355 25.3524 99 -0.26 93
IV.NRCA.HHZ. 2020-04-02T08:22:50.67 0.3 undecidable manual P 313 26.3514 99 -0.23 71
IV.MTRA.EHZ. 2020-04-02T08:22:50.47 0.3 undecidable manual S 21 10.1787 131 -0.45 68
IV.LNSS.HHZ. 2020-04-02T08:22:50.94 0.1 positive manual P 253 26.4513 99 0.02 98
IV.T1299.HNE. 2020-04-02T08:22:50.76 0.6 undecidable manual S 234 6.993 144 0.4 47
IV.SMA1.EHZ. 2020-04-02T08:22:49.95 0.3 undecidable manual S 196 4.6953 155 -0.1 75
IV.CAMP.HHZ. 2020-04-02T08:22:49.27 0.1 negative manual P 163 15.7731 113 -0.05 100
IV.TERO.HNZ. 2020-04-02T08:22:49.73 0.3 undecidable manual P 105 21.2676 103 -0.4 68
IV.MTRA.EHZ. 2020-04-02T08:22:48.47 0.3 undecidable manual P 21 10.1787 131 -0.11 74
IV.T1299.HNE. 2020-04-02T08:22:48.55 0.1 positive manual P 234 6.993 144 0.29 96
IV.SMA1.EHZ. 2020-04-02T08:22:48.27 0.1 negative manual P 196 4.6953 155 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.8 0.0005965 0.24 AML other m 2020-04-02T08:22:52.19
IV.CAMP.HHE. ML:2.1 0.001057 0.16 AML other m 2020-04-02T08:22:52.22
IV.TERO.HHE. ML:1.8 0.00045 1.28 AML other m 2020-04-02T08:22:53.26
IV.TERO.HHN. ML:2.0 0.0006775 1.92 AML other m 2020-04-02T08:22:53.01
IV.NRCA.HHN. ML:1.9 0.000393 0.98 AML other m 2020-04-02T08:22:55.54
IV.GIGS.HHE. ML:1.5 0.000143 0.32 AML other m 2020-04-02T08:22:55.85
IV.GIGS.HHN. ML:1.5 0.00014649999999999998 0.36 AML other m 2020-04-02T08:22:55.77
IV.NRCA.HHE. ML:2.0 0.0005405 0.08 AML other m 2020-04-02T08:22:56.71
IV.MF5.EHN. ML:2.0 0.000406 0.44 AML other m 2020-04-02T08:22:58.46
IV.MF5.EHE. ML:1.9 0.0003 0.2 AML other m 2020-04-02T08:22:58.52
IV.FDMO.HHN. ML:1.9 0.0002385 0.26 AML other m 2020-04-02T08:23:00.38
IV.FDMO.HHE. ML:1.7 0.00014350000000000002 0.24 AML other m 2020-04-02T08:23:00.54
IV.FIAM.HHN. ML:1.1 0.00003395 0.22 AML other m 2020-04-02T08:23:01.26
IV.CSP1.EHE. ML:1.6 0.0001185 1.38 AML other m 2020-04-02T08:23:01.30
IV.FIAM.HHE. ML:1.3 0.00004895 0.46 AML other m 2020-04-02T08:23:01.28
IV.ARRO.EHN. ML:1.7 0.000131 0.88 AML other m 2020-04-02T08:23:01.53
IV.CSP1.EHN. ML:1.5 0.00009155 1.44 AML other m 2020-04-02T08:23:02.90
IV.CESI.HHN. ML:1.8 0.00014649999999999998 1.34 AML other m 2020-04-02T08:23:03.19
IV.ARRO.EHE. ML:1.6 0.00009905 1.44 AML other m 2020-04-02T08:23:03.10
IV.CESI.HHE. ML:1.6 0.0000901 0.48 AML other m 2020-04-02T08:23:04.34
IV.T0110.HHE. ML:2.0 0.0001825 0.4 AML other m 2020-04-02T08:23:05.69
IV.MOMA.HHN. ML:1.9 0.000149 0.24 AML other m 2020-04-02T08:23:06.69
IV.MOMA.HHE. ML:2.1 0.00021799999999999999 0.18 AML other m 2020-04-02T08:23:06.72
IV.CESX.HHN. ML:1.6 0.0000689 0.24 AML other m 2020-04-02T08:23:07.22
IV.CESX.HHE. ML:1.5 0.00006745 0.42 AML other m 2020-04-02T08:23:07.63
IV.T0110.HHN. ML:2.0 0.00019700000000000002 1.58 AML other m 2020-04-02T08:23:09.17
IV.SNTG.HHE. ML:1.5 0.00004855 0.6 AML other m 2020-04-02T08:23:10.76
IV.SNTG.HHN. ML:1.4 0.00004 0.64 AML other m 2020-04-02T08:23:12.52
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