Earthquake with magnitude of ML 1.2 on date 30-03-2019 and time 22:57:54 (Italy) in region 4 km W Arquata del Tronto (AP)

A magnitude ML 1.2 earthquake occured in region: 4 km W Arquata del Tronto (AP), on

  • 30-03-2019 21:57:54 (UTC)
  • 30-03-2019 22:57:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7580, 13.2540 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 7 667 1845
Montegallo AP 11 523 2368
Acquasanta Terme AP 13 2916 5284
Norcia PG 14 4957 10241
Amatrice RI 15 2657 12898
Montemonaco AP 17 604 13502
Cittareale RI 17 482 13984
Castelsantangelo sul Nera MC 17 281 14265

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
80 Km E of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
88 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
98 Km S of Ancona (100861 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
Reviewed
Rev100
ML 1.2 2019-03-30
21:57:54
42.7585 13.2543 10 2019-03-30
22:10:07
Sala Sismica INGV-Roma 67094801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-30 21:57:54 ± 0.07
Latitude 42.7585 ± 0.0036
Longitude 13.2543 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67094801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56387
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 67094801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-30 22:10:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MBAL.EHZ. 2019-03-30T21:59:02.07 3.0 undecidable manual Sg 2.24 0
IV.MTGR.HHZ. 2019-03-30T21:59:00.34 3.0 positive manual Pn 3.01 0
GU.CANO.HHZ. 2019-03-30T21:58:41.64 3.0 undecidable manual Pg 10.31 0
OX.SABO.HNZ. 2019-03-30T21:58:23.02 3.0 undecidable manual Pn -1.55 0
IV.VCEL.EHZ. 2019-03-30T21:58:06.18 1.0 undecidable manual P 130 62.5929 50 0.19 22
IV.TERO.HHZ. 2019-03-30T21:58:05.56 0.6 undecidable manual S 118 32.2455 50 -0.53 43
IV.LNSS.HHZ. 2019-03-30T21:58:04.21 0.3 undecidable manual S 225 24.5532 112 0.27 70
IV.RM33.EHZ. 2019-03-30T21:58:04.75 0.6 undecidable manual S 187 27.8499 50 -0.18 47
IV.GIGS.HHZ. 2019-03-30T21:58:03.27 1.0 undecidable manual P 142 42.7239 50 0.36 22
IV.MNTT.EHZ. 2019-03-30T21:58:03.56 0.1 undecidable manual P 39 43.623 50 0.5 85
IV.MC2.EHZ. 2019-03-30T21:58:01.86 0.6 undecidable manual S 343 17.7711 119 0.05 49
IV.TERO.HHZ. 2019-03-30T21:58:01.12 0.6 undecidable manual P 118 32.2455 50 -0.19 47
IV.MMO1.EHZ. 2019-03-30T21:58:01.39 0.3 undecidable manual S 21 16.6722 120 -0.09 73
IV.SMA1.EHZ. 2019-03-30T21:58:01.23 0.6 undecidable manual S 155 15.6732 122 0.05 49
IV.NRCA.HHZ. 2019-03-30T21:58:00.58 0.1 undecidable manual S 306 14.0748 125 -0.15 97
IV.RM33.EHZ. 2019-03-30T21:58:00.47 1.0 undecidable manual P 187 27.8499 50 -0.16 24
IV.LNSS.HHZ. 2019-03-30T21:57:59.93 0.1 undecidable manual P 225 24.5532 112 -0.13 96
IV.SMA1.EHZ. 2019-03-30T21:57:58.68 0.6 undecidable manual P 155 15.6732 122 0.22 48
IV.MC2.EHZ. 2019-03-30T21:57:58.77 0.1 undecidable manual P 343 17.7711 119 -0.05 98
IV.NRCA.HHZ. 2019-03-30T21:57:58.21 0.1 undecidable manual P 306 14.0748 125 0.01 100
IV.MMO1.EHZ. 2019-03-30T21:57:58.60 0.1 undecidable manual P 21 16.6722 120 -0.04 99
IV.MF5.EHZ. 2019-03-30T21:57:52.72 3.0 positive manual Pn 1.96 0
IV.ARVD.HHZ. 2019-03-30T21:57:49.62 3.0 undecidable manual S -2.86 0
IV.SNTG.HHZ. 2019-03-30T21:57:43.77 3.0 negative manual P 1.49 0
IV.APEC.HHZ. 2019-03-30T21:57:43.27 3.0 negative manual P -3.87 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.6 0.00038 0.16 AML other m 2019-03-30T21:58:00.72
IV.NRCA.HHN. ML:1.8 0.0005989999999999999 0.12 AML other m 2019-03-30T21:58:01.37
IV.SMA1.EHN. ML:1.1 0.00011095000000000001 0.22 AML other m 2019-03-30T21:58:01.61
IV.SMA1.EHE. ML:1.0 0.00008779999999999999 1.48 AML other m 2019-03-30T21:58:02.01
IV.LNSS.HHN. ML:1.4 0.0001725 0.98 AML other m 2019-03-30T21:58:04.32
IV.LNSS.HHE. ML:1.2 0.0001003 0.12 AML other m 2019-03-30T21:58:05.40
IV.RM33.EHE. ML:1.2 0.0000784 0.16 AML other m 2019-03-30T21:58:05.68
IV.TERO.HHN. ML:1.2 0.00006924999999999999 1.52 AML other m 2019-03-30T21:58:06.97
IV.RM33.EHN. ML:1.0 0.0000566 0.14 AML other m 2019-03-30T21:58:06.23
IV.TERO.HHE. ML:1.1 0.000054449999999999995 1.26 AML other m 2019-03-30T21:58:06.36
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