Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 01-05-2019 and time 09:51:45 (Italy) in region 3 km NW Amatrice (RI)

A magnitude ML 0.7 earthquake occured in region: 3 km NW Amatrice (RI), on

  • 01-05-2019 07:51:45 (UTC)
  • 01-05-2019 09:51:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6520, 13.2660 at 11 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.

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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 3 2657 2657
Accumoli RI 5 667 3324
Cittareale RI 9 482 3806
Campotosto AQ 14 542 4348
Arquata del Tronto AP 14 1178 5526
Montereale AQ 14 2581 8107
Capitignano AQ 15 665 8772
Acquasanta Terme AP 18 2916 11688
Borbona RI 19 617 12305
Posta RI 20 694 12999

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
99 Km E of Viterbo (67173 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 0.7 2019-05-01
07:51:45		 42.6518 13.2657 11 2019-05-01
08:06:11		 Sala Sismica INGV-Roma 68147891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-01 07:51:45 ± 0.14
Latitude 42.6518 ± 0.0108
Longitude 13.2657 ± 0.0171
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 68147891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1520
Semi-minor axis of confidence ellipse (meter) 990
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 1520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 68147891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-01 08:06:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2019-05-01T07:53:35.90 3.0 undecidable manual Sn -4.85 0
IT.ACQ.HGZ. 2019-05-01T07:53:28.65 3.0 undecidable manual Sg 6.18 0
IV.ALJA.HHZ. 2019-05-01T07:53:18.40 3.0 undecidable manual Pg 14 0
RF.GEPF.HHZ. 2019-05-01T07:53:08.50 3.0 undecidable manual Sg 2.08 0
IV.ESML.HHZ. 2019-05-01T07:53:06.07 3.0 negative manual Pn -2 0
IV.MSSA.HHZ. 2019-05-01T07:53:04.25 3.0 undecidable manual Sg 2.21 0
IV.CTI.HHZ. 2019-05-01T07:53:02.47 3.0 undecidable manual Sn -3.08 0
IV.ZONE.HHZ. 2019-05-01T07:53:00.06 3.0 undecidable manual Sn -9.99 0
IV.CRAC.EHZ. 2019-05-01T07:52:53.05 3.0 undecidable manual Pg 12.48 0
IT.ACQ.HGZ. 2019-05-01T07:52:38.26 3.0 negative manual Pg 0.55 0
IV.LPEL.HHZ. 2019-05-01T07:52:26.07 3.0 undecidable manual Sg -4.09 0
IV.EUCT.HNZ. 2019-05-01T07:52:23.41 3.0 undecidable manual Pn -9.99 0
IV.RNI2.HHZ. 2019-05-01T07:52:07.23 3.0 undecidable manual Pn -5.08 0
IV.GIGS.HHZ. 2019-05-01T07:51:56.95 0.6 undecidable manual S 131 33.4443 90 -0.42 58
IV.FDMO.HHZ. 2019-05-01T07:51:56.94 3.0 undecidable manual P 0
IV.CAMP.HHZ. 2019-05-01T07:51:56.23 3.0 undecidable manual S 0
IV.NRCA.HHZ. 2019-05-01T07:51:54.61 0.6 undecidable manual S 329 23.6541 90 -0.15 63
IV.GIGS.HHZ. 2019-05-01T07:51:54.07 0.6 negative manual P 131 33.4443 90 1.5 37
IV.CAMP.HHZ. 2019-05-01T07:51:53.57 3.0 undecidable manual P 0
IV.TERO.HHZ. 2019-05-01T07:51:53.56 0.6 undecidable manual S 97 27.8499 90 -2.31 18
IV.MTRA.EHZ. 2019-05-01T07:51:52.55 0.3 undecidable manual S 43 15.7731 90 -0.11 97
IV.RM33.EHZ. 2019-05-01T07:51:52.85 0.6 undecidable manual S 195 16.3725 90 0.02 65
IV.TERO.HHZ. 2019-05-01T07:51:51.73 1.0 undecidable manual P 97 27.8499 90 0.03 32
IV.NRCA.HHZ. 2019-05-01T07:51:51.17 0.3 undecidable manual P 329 23.6541 90 0.12 96
IV.VCEL.EHZ. 2019-05-01T07:51:51.41 3.0 undecidable manual P 0
IV.SMA1.EHZ. 2019-05-01T07:51:50.39 0.3 undecidable manual S 113 6.1938 141 -0.01 100
IV.MTRA.EHZ. 2019-05-01T07:51:50.03 0.3 undecidable manual P 43 15.7731 90 0.18 96
IV.LNSS.HHE. 2019-05-01T07:51:50.40 0.3 undecidable manual P 254 19.1697 90 0.03 98
IV.RM33.EHZ. 2019-05-01T07:51:50.01 1.0 undecidable manual P 195 16.3725 90 0.07 33
IV.T1299.EHE. 2019-05-01T07:51:49.54 0.3 undecidable manual S 145 2.3976 164 -0.39 92
IV.T1299.EHE. 2019-05-01T07:51:48.38 0.3 undecidable manual P 145 2.3976 164 0.11 100
IV.SMA1.EHZ. 2019-05-01T07:51:48.82 0.6 positive manual P 113 6.1938 141 0.28 64
IV.APEC.HHZ. 2019-05-01T07:51:46.29 3.0 positive manual P -6.54 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:0.4 0.00001066 0.74 AML other m 2019-05-01T07:51:58.75
IV.MTRA.EHN. ML:0.9 0.0000635 1.58 AML other m 2019-05-01T07:51:58.92
IV.GIGS.HHN. ML:0.6 0.0000133 1.22 AML other m 2019-05-01T07:51:58.96
IV.MTRA.EHE. ML:0.7 0.00004115 0.28 AML other m 2019-05-01T07:51:59.19
IV.RM33.EHN. ML:0.8 0.000048 0.24 AML other m 2019-05-01T07:51:59.54
IV.RM33.EHE. ML:0.8 0.0000511 0.2 AML other m 2019-05-01T07:51:59.94
IV.NRCA.HHE. ML:0.6 0.0000275 1.32 AML other m 2019-05-01T07:52:04.04
IV.NRCA.HHN. ML:0.8 0.00003625000000000001 0.14 AML other m 2019-05-01T07:52:05.17
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