Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 30-03-2020 and time 10:09:48 (Italy) in region 6 km NW Arquata del Tronto (AP)

A magnitude ML 2.1 earthquake occured in region: 6 km NW Arquata del Tronto (AP), on

  • 30-03-2020 08:09:48 (UTC)
  • 30-03-2020 10:09:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8040, 13.2370 at 11 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
Arquata del Tronto AP 6 1178 1178
Montegallo AP 9 523 1701
Norcia PG 12 4957 6658
Accumoli RI 12 667 7325
Castelsantangelo sul Nera MC 12 281 7606
Montemonaco AP 13 604 8210
Acquasanta Terme AP 15 2916 11126
Ussita MC 18 444 11570
Montefortino FM 18 1178 12748
Preci PG 18 724 13472
Visso MC 19 1107 14579
Amatrice RI 20 2657 17236

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
93 Km S of Ancona (100861 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km NE of Tivoli (56533 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 2.1 2020-03-30
08:09:48		 42.8038 13.2368 11 2020-07-18
21:08:33		 Bollettino Sismico Italiano INGV 78399781
Reviewed
Rev100 		ML 1.8 2020-03-30
08:09:48		 42.8047 13.2367 11 2020-03-30
08:16:27		 Sala Sismica INGV-Roma 77694391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-30 08:09:48 ± 0.05
Latitude 42.8038 ± 0.0027
Longitude 13.2368 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78399781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 50
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) 0.74284
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 78399781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-19 21:52:19

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 77694391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-30 08:16:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.FIE.HGZ. 2020-03-30T08:10:44.94 3.0 undecidable manual Sg 5.22 0
IV.CRMI.HHZ. 2020-03-30T08:10:22.23 3.0 undecidable manual Pn 2.67 0
IV.EL6.EHZ. 2020-03-30T08:10:07.25 0.6 undecidable manual S 349 59.2962 50 0.66 39
IV.MOMA.HHZ. 2020-03-30T08:10:06.15 0.6 undecidable manual S 270 54.3012 50 0.9 36
IV.SNTG.HHZ. 2020-03-30T08:10:05.71 0.6 undecidable manual S 334 55.5 50 0.13 45
IV.ARRO.EHN. 2020-03-30T08:10:03.74 0.6 undecidable manual S 237 45.8208 50 0.75 39
IV.GIGS.HHZ. 2020-03-30T08:10:03.13 0.6 undecidable manual S 145 47.619 50 -0.33 44
IV.ATFO.HHZ. 2020-03-30T08:10:02.44 0.6 undecidable manual P 319 82.4508 50 0.03 44
IV.MURB.HHZ. 2020-03-30T08:10:01.50 0.6 undecidable manual P 312 76.9674 50 -0.07 44
IV.SAP2.EHN. 2020-03-30T08:10:00.67 0.6 undecidable manual S 22 35.0427 50 0.55 43
IV.TERO.HHZ. 2020-03-30T08:10:00.25 0.6 undecidable manual S 124 36.0417 50 -0.13 47
IV.CAMP.HHZ. 2020-03-30T08:09:59.44 0.6 undecidable manual S 155 32.8449 50 -0.1 48
IV.VCEL.EHZ. 2020-03-30T08:09:59.36 1.0 undecidable manual P 132 66.9774 50 -0.67 19
IV.RM33.EHZ. 2020-03-30T08:09:59.79 0.6 undecidable manual S 183 32.745 50 0.28 46
IV.CSP1.EHZ. 2020-03-30T08:09:59.05 0.6 undecidable manual S 355 32.0457 50 -0.26 46
IV.CESI.HHZ. 2020-03-30T08:09:59.94 0.6 undecidable manual S 310 35.0427 50 -0.17 47
IV.GUMA.HNE. 2020-03-30T08:09:59.10 0.6 undecidable manual S 15 29.8479 50 0.38 45
IV.ATCC.EHZ. 2020-03-30T08:09:59.55 0.3 undecidable manual P 311 64.2912 50 -0.06 68
IV.EL6.EHZ. 2020-03-30T08:09:58.48 0.6 undecidable manual P 349 59.2962 50 -0.36 43
IV.MF5.EHZ. 2020-03-30T08:09:58.56 0.6 undecidable manual S 42 27.2505 50 0.52 44
IV.MOMA.HHZ. 2020-03-30T08:09:58.04 0.1 positive manual P 270 54.3012 50 -0.02 93
IV.LNSS.HHZ. 2020-03-30T08:09:58.32 0.6 undecidable manual S 216 27.4503 50 0.23 47
IV.CESX.HHZ. 2020-03-30T08:09:58.48 0.3 undecidable manual P 248 57.2982 50 -0.04 69
IT.MTCL.HGN. 2020-03-30T08:09:57.92 0.3 undecidable manual S 318 28.5492 50 -0.47 66
IV.SNTG.HHZ. 2020-03-30T08:09:57.96 0.1 undecidable manual P 334 55.5 50 -0.29 88
IV.T1299.EHE. 2020-03-30T08:09:56.31 0.6 undecidable manual S 169 19.1697 50 0.43 45
IV.SMA1.EHZ. 2020-03-30T08:09:56.42 0.6 undecidable manual S 157 20.868 50 0.1 49
IV.ARRO.EHN. 2020-03-30T08:09:56.57 0.1 undecidable manual P 237 45.8208 50 -0.19 91
IV.FEMA.HNZ. 2020-03-30T08:09:56.67 0.6 undecidable manual S 319 23.2545 50 -0.29 46
IV.GIGS.HHZ. 2020-03-30T08:09:56.70 0.3 undecidable manual P 145 47.619 50 -0.33 66
IV.MNTT.EHZ. 2020-03-30T08:09:56.40 0.1 undecidable manual P 45 40.8258 50 0.41 88
IV.SAP2.EHN. 2020-03-30T08:09:55.50 0.3 undecidable manual P 22 35.0427 50 0.4 67
IV.CSP1.EHZ. 2020-03-30T08:09:54.28 0.1 undecidable manual P 355 32.0457 50 -0.36 90
IV.CESI.HHZ. 2020-03-30T08:09:54.88 0.1 positive manual P 310 35.0427 50 -0.22 92
IV.GUMA.HNE. 2020-03-30T08:09:54.41 0.3 undecidable manual P 15 29.8479 50 0.12 71
IV.TERO.HHZ. 2020-03-30T08:09:54.97 0.1 undecidable manual P 124 36.0417 50 -0.28 91
IV.CAMP.HHZ. 2020-03-30T08:09:54.61 0.1 undecidable manual P 155 32.8449 50 -0.16 94
IV.MC2.EHZ. 2020-03-30T08:09:54.20 0.6 undecidable manual S 342 12.5763 131 0.2 48
IV.RM33.EHZ. 2020-03-30T08:09:54.73 0.1 undecidable manual P 183 32.745 50 -0.02 97
IV.MTRA.HNZ. 2020-03-30T08:09:54.31 0.6 undecidable manual S 112 13.9749 128 -0.08 49
IV.FEMA.HNZ. 2020-03-30T08:09:53.12 0.1 undecidable manual P 319 23.2545 50 -0.16 95
IV.NRCA.HNZ. 2020-03-30T08:09:53.61 0.3 undecidable manual S 288 10.4784 136 0.12 74
IT.MTCL.HGN. 2020-03-30T08:09:53.77 0.1 undecidable manual P 318 28.5492 50 -0.33 91
IV.MMO1.EHZ. 2020-03-30T08:09:53.96 0.3 undecidable manual S 35 12.876 130 -0.12 73
IV.MF5.EHZ. 2020-03-30T08:09:53.92 0.1 undecidable manual P 42 27.2505 50 0.02 98
IV.LNSS.HHZ. 2020-03-30T08:09:53.96 0.1 positive manual P 216 27.4503 50 0.03 97
IV.T1299.EHE. 2020-03-30T08:09:52.82 0.1 undecidable manual P 169 19.1697 50 0.17 96
IV.SMA1.EHZ. 2020-03-30T08:09:52.90 0.1 undecidable manual P 157 20.868 50 -0.01 99
IV.MC2.EHZ. 2020-03-30T08:09:51.71 0.1 negative manual P 342 12.5763 131 0.14 98
IV.MTRA.HNZ. 2020-03-30T08:09:51.84 0.1 undecidable manual P 112 13.9749 128 0.04 99
IV.NRCA.HNZ. 2020-03-30T08:09:51.44 0.1 negative manual P 288 10.4784 136 0.17 97
IV.MMO1.EHZ. 2020-03-30T08:09:51.60 0.1 undecidable manual P 35 12.876 130 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.2 0.001545 1.1 AML other m 2020-03-30T08:09:54.07
IV.MTRA.EHE. ML:2.2 0.00156 1.08 AML other m 2020-03-30T08:09:54.08
IV.MTRA.HNN. ML:2.2 0.00158 0.24 AML other m 2020-03-30T08:09:54.94
IV.MTRA.EHN. ML:2.2 0.001585 0.26 AML other m 2020-03-30T08:09:54.95
IV.LNSS.HHN. ML:2.1 0.000639 0.18 AML other m 2020-03-30T08:09:58.79
IV.LNSS.HHE. ML:2.0 0.000558 0.34 AML other m 2020-03-30T08:09:58.99
IV.MF5.EHE. ML:2.1 0.000726 1.58 AML other m 2020-03-30T08:09:59.11
IV.MF5.EHN. ML:1.9 0.0004535 0.44 AML other m 2020-03-30T08:09:59.16
IV.CESI.HHN. ML:2.3 0.0007695000000000001 0.42 AML other m 2020-03-30T08:10:00.26
IV.CESI.HHE. ML:2.0 0.00040100000000000004 0.94 AML other m 2020-03-30T08:10:00.34
IV.TERO.HHN. ML:1.8 0.0002415 0.16 AML other m 2020-03-30T08:10:01.43
IV.TERO.HHE. ML:1.8 0.00022350000000000004 0.22 AML other m 2020-03-30T08:10:01.50
IV.MNTT.EHN. ML:2.3 0.000647 0.84 AML other m 2020-03-30T08:10:03.37
IV.MNTT.EHE. ML:2.3 0.000635 0.6 AML other m 2020-03-30T08:10:05.56
IV.MOMA.HNN. ML:1.9 0.00016999999999999999 1 AML other m 2020-03-30T08:10:06.23
IV.MOMA.HNE. ML:1.9 0.000193 0.18 AML other m 2020-03-30T08:10:06.96
IV.MOMA.HHE. ML:1.9 0.00017999999999999998 1.36 AML other m 2020-03-30T08:10:07.69
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