Earthquake with magnitude of ML 0.9 on date 15-05-2017 and time 14:50:36 (Italy) in region 7 km NW Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 7 km NW Accumoli (RI), on

  • 15-05-2017 12:50:36 (UTC)
  • 15-05-2017 14:50:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 13.2150 at 1 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
Accumoli RI 7 667 667
Arquata del Tronto AP 7 1178 1845
Norcia PG 11 4957 6802
Montegallo AP 14 523 7325
Amatrice RI 15 2657 9982
Cittareale RI 15 482 10464
Acquasanta Terme AP 16 2916 13380
Cascia PG 17 3217 16597
Castelsantangelo sul Nera MC 17 281 16878
Montemonaco AP 19 604 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Teramo (54892 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Foligno (57155 inhabitants)
51 Km E of Terni (111501 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
100 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 0.9 2017-05-15
12:50:36
42.7495 13.2148 1 2017-05-15
13:01:38
Sala Sismica INGV-Roma 45334701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-05-15 12:50:36 ± 0.7
Latitude 42.7495 ± 0.0225
Longitude 13.2148 ± 0.0257
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 45334701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2813
Semi-minor axis of confidence ellipse (meter) 1710
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 2810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 215
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.59
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19156
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 45334701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-05-15 13:01:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CLTA.HHZ. 2017-05-15T12:51:51.27 3.0 undecidable manual Pn -0.3 0
IV.EPOZ.HHZ. 2017-05-15T12:51:46.98 3.0 positive manual Pn -3.69 0
IV.RAFF.HHZ. 2017-05-15T12:51:45.34 3.0 negative manual Pn -7.04 0
IV.AGLI.HHZ. 2017-05-15T12:51:37.28 3.0 undecidable manual Sg 6.21 0
CR.STON.BHZ. 2017-05-15T12:51:30.36 3.0 undecidable manual Pn 8.79 0
IV.STAL.HHZ. 2017-05-15T12:51:25.46 3.0 undecidable manual Sg 19.35 0
IV.PTRP.HHZ. 2017-05-15T12:51:23.76 3.0 undecidable manual Pn -0.79 0
IV.COLB.HHZ. 2017-05-15T12:51:15.33 3.0 undecidable manual Pg 7.17 0
IV.ASSB.HHZ. 2017-05-15T12:51:04.19 3.0 undecidable manual Sn -0.87 0
IV.SGG.HHZ. 2017-05-15T12:51:02.22 3.0 undecidable manual Pn -1.55 0
IV.T1219.EHZ. 2017-05-15T12:50:46.66 3.0 positive manual Pg 8.68 0
IV.ASSB.HHZ. 2017-05-15T12:50:44.82 3.0 undecidable manual Pg 9.45 0
IV.TERO.HHZ. 2017-05-15T12:50:44.56 3.0 positive manual Pn -1.85 0
IV.VIVA.HHZ. 2017-05-15T12:50:42.85 3.0 positive manual Pn -6.58 0
IV.T1212.EHZ. 2017-05-15T12:50:41.02 0.1 undecidable manual S 271 13.875 94 0.09 100
IV.T1245.HHZ. 2017-05-15T12:50:40.66 0.1 undecidable manual S 350 12.0768 95 0.35 95
IV.T1212.EHZ. 2017-05-15T12:50:39.33 1.0 undecidable manual P 271 13.875 94 0.44 23
IV.NRCA.HHZ. 2017-05-15T12:50:39.71 0.1 undecidable manual S 319 12.3765 95 -0.71 85
IV.T1241.EHZ. 2017-05-15T12:50:39.59 0.6 negative manual P 56 21.2676 93 -0.77 41
IV.T1245.HHZ. 2017-05-15T12:50:39.14 0.3 negative manual P 350 12.0768 95 0.61 66
IV.MCIV.HHZ. 2017-05-15T12:50:38.25 3.0 positive manual Pg 6.74 0
IV.NRCA.HHZ. 2017-05-15T12:50:38.56 0.6 undecidable manual P 319 12.3765 95 -0.04 51
IV.STAL.HHZ. 2017-05-15T12:50:37.12 3.0 undecidable manual Pn 1.16 0
IV.IMOL.HNZ. 2017-05-15T12:50:37.89 3.0 undecidable manual Sg 2.43 0
GU.ENR.HHZ. 2017-05-15T12:50:26.50 3.0 negative manual Pn -1.05 0
IV.EUCT.HNZ. 2017-05-15T12:50:15.87 3.0 negative manual Pn 2.55 0
IV.MILN.HNZ. 2017-05-15T12:50:13.05 3.0 positive manual Pn -2.61 0
IV.NDIM.HNZ. 2017-05-15T12:50:10.84 3.0 negative manual P -0.04 0
IV.ZCCA.HHZ. 2017-05-15T12:50:09.19 3.0 undecidable manual P -2.33 0
IV.PRMA.HHZ. 2017-05-15T12:50:04.90 3.0 positive manual Pn 0.56 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.0001017 1.16 AML other m 2017-05-15T12:50:41.21
IV.NRCA.HHE. ML:0.9 0.00011649999999999999 0.36 AML other m 2017-05-15T12:50:41.73
IV.T1219.EHE. ML:1.0 0.00003535 0.42 AML other m 2017-05-15T12:50:46.03
IV.T1219.EHN. ML:0.9 0.000029999999999999997 0.28 AML other m 2017-05-15T12:50:47.06
IV.T1245.HHN. ML:0.8 0.00010350000000000001 0.26 AML other m 2017-05-15T12:50:42.28
IV.T1245.HHE. ML:0.7 0.0000779 0.18 AML other m 2017-05-15T12:50:42.87
IV.T1299.EHN. ML:0.9 0.00009755 0.08 AML other m 2017-05-15T12:51:43.41
IV.T1299.EHE. ML:1.2 0.0001875 0.08 AML other m 2017-05-15T12:51:51.50
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
Waveforms Seismic signals in miniseed + resp format not available