Earthquake with magnitude of ML 1.3 on date 22-08-2019 and time 11:44:37 (Italy) in region 5 km SW Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 22-08-2019 09:44:37 (UTC)
  • 22-08-2019 11:44:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6550, 13.2170 at 12 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.

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 5 667 667
Cittareale RI 6 482 1149
Amatrice RI 7 2657 3806
Montereale AQ 15 2581 6387
Arquata del Tronto AP 15 1178 7565
Capitignano AQ 16 665 8230
Campotosto AQ 17 542 8772
Borbona RI 17 617 9389
Posta RI 18 694 10083
Cascia PG 18 3217 13300
Norcia PG 18 4957 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
95 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
Bulletin
Rev1000
ML 1.3 2019-08-22
09:44:37
42.6548 13.2167 12 2019-11-13
14:31:07
Bollettino Sismico Italiano INGV 73293011
Reviewed
Rev100
ML 1.2 2019-08-22
09:44:37
42.6628 13.2167 11 2019-08-22
09:50:49
Sala Sismica INGV-Roma 71695861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-22 09:44:37 ± 0.08
Latitude 42.6548 ± 0.0045
Longitude 13.2167 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73293011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 475
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
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 42
Number of defining phases 20
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) 0.28688
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 73293011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-16 21:28:50

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 71695861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-22 09:50:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ESML.HHZ. 2019-08-22T09:46:38.66 3.0 undecidable manual Sn -8.78 0
GU.STV.HHZ. 2019-08-22T09:46:37.41 3.0 undecidable manual Sn 7.69 0
HL.VLS.HHZ. 2019-08-22T09:46:34.92 3.0 positive manual Pg 17.1 0
IV.ILLI.HHZ. 2019-08-22T09:46:31.20 3.0 undecidable manual Sg 2.69 0
NI.PALA.HHZ. 2019-08-22T09:46:25.21 3.0 undecidable manual Sg 15.8 0
CR.STON.BHZ. 2019-08-22T09:46:15.80 3.0 undecidable manual Sg 10.74 0
SI.KOSI.HHZ. 2019-08-22T09:46:14.16 3.0 undecidable manual Sn -4.86 0
IV.EUCT.HNZ. 2019-08-22T09:46:12.61 3.0 undecidable manual Sn -1.46 0
IV.HPAC.HHZ. 2019-08-22T09:46:07.51 3.0 positive manual Pg 6.08 0
IV.PIPA.HHZ. 2019-08-22T09:46:07.25 3.0 undecidable manual Sn -9.99 0
MN.TRI.HHZ. 2019-08-22T09:45:53.80 3.0 undecidable manual Sn -3.61 0
OT.OT14.EHZ. 2019-08-22T09:45:38.88 3.0 undecidable manual Sg 3.08 0
IV.PLLN.EHZ. 2019-08-22T09:45:30.23 3.0 positive manual Pn -9.99 0
IV.ORI.HHZ. 2019-08-22T09:45:29.50 3.0 undecidable manual Pg 1.95 0
IV.EUCT.HNZ. 2019-08-22T09:45:28.64 3.0 undecidable manual Pn -1.5 0
IV.MAGA.HHZ. 2019-08-22T09:45:26.40 3.0 positive manual Pn -0.69 0
IT.FIE.HGZ. 2019-08-22T09:45:25.65 3.0 undecidable manual Sn 2.44 0
IV.COLB.HHZ. 2019-08-22T09:45:24.69 3.0 undecidable manual Sg -4.36 0
IV.MMN.HHZ. 2019-08-22T09:45:16.99 3.0 negative manual Pn -9 0
IV.PTRJ.HHZ. 2019-08-22T09:45:10.02 3.0 undecidable manual Sn -9.99 0
IV.ZCCA.HHZ. 2019-08-22T09:45:06.27 3.0 negative manual Pn -2.83 0
IV.VIVA.HHZ. 2019-08-22T09:45:01.40 3.0 undecidable manual Sg -1.01 0
IV.MC2.EHZ. 2019-08-22T09:44:47.88 0.6 undecidable manual S 355 28.5492 93 0.49 46
IV.TERO.HHZ. 2019-08-22T09:44:47.89 0.6 undecidable manual S 96 31.8459 93 -0.36 45
IV.GAVE.EHZ. 2019-08-22T09:44:46.80 0.6 undecidable manual S 279 26.6511 94 -0.07 48
IV.CAMP.HHE. 2019-08-22T09:44:45.13 0.6 undecidable manual S 130 20.5683 97 -0.12 49
IV.RM33.EHZ. 2019-08-22T09:44:44.12 0.6 undecidable manual S 181 16.1727 103 0.02 49
IV.NRCA.HHZ. 2019-08-22T09:44:44.93 0.6 undecidable manual S 337 21.5673 96 -0.58 41
IV.MTRA.EHZ. 2019-08-22T09:44:44.34 0.6 undecidable manual S 52 18.4704 99 -0.38 45
IV.TERO.HHZ. 2019-08-22T09:44:43.52 0.1 undecidable manual P 96 31.8459 93 -0.1 95
IV.LNSS.HHZ. 2019-08-22T09:44:43.92 0.6 undecidable manual S 248 15.4734 105 -0.01 50
IV.MC2.EHZ. 2019-08-22T09:44:43.77 0.3 undecidable manual P 355 28.5492 93 0.65 66
IV.SMA1.EHZ. 2019-08-22T09:44:42.64 0.6 undecidable manual S 106 10.0788 126 0.03 51
IV.GAVE.EHZ. 2019-08-22T09:44:42.68 0.1 undecidable manual P 279 26.6511 94 -0.15 95
IV.LNSS.HHZ. 2019-08-22T09:44:41.18 0.1 positive manual P 248 15.4734 105 0.05 100
IV.NRCA.HHZ. 2019-08-22T09:44:41.83 0.1 undecidable manual P 337 21.5673 96 -0.21 93
IV.T1299.HNN. 2019-08-22T09:44:41.68 0.6 undecidable manual S 113 5.7942 146 -0.15 49
IV.CAMP.HHE. 2019-08-22T09:44:41.87 0.3 undecidable manual P 130 20.5683 97 -0.02 74
IV.MTRA.EHZ. 2019-08-22T09:44:41.49 0.1 undecidable manual P 52 18.4704 99 -0.09 96
IV.RM33.EHZ. 2019-08-22T09:44:41.36 0.1 undecidable manual P 181 16.1727 103 0.13 97
IV.SMA1.EHZ. 2019-08-22T09:44:40.66 0.1 undecidable manual P 106 10.0788 126 0.29 96
IV.T1299.HNN. 2019-08-22T09:44:40.05 0.1 undecidable manual P 113 5.7942 146 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.7 0.0006194999999999999 0.26 AML other m 2019-08-22T09:44:43.11
IV.SMA1.EHN. ML:1.6 0.0005055000000000001 0.34 AML other m 2019-08-22T09:44:43.17
IV.LNSS.HHN. ML:1.1 0.0000983 1.12 AML other m 2019-08-22T09:44:44.03
IV.RM33.EHE. ML:1.0 0.00008659999999999999 0.54 AML other m 2019-08-22T09:44:44.49
IV.LNSS.HHE. ML:1.1 0.00010899999999999999 1.34 AML other m 2019-08-22T09:44:44.91
IV.RM33.EHN. ML:1.1 0.000106 0.14 AML other m 2019-08-22T09:44:44.30
IV.MTRA.EHN. ML:1.5 0.000262 0.14 AML other m 2019-08-22T09:44:44.50
IV.MTRA.EHE. ML:1.5 0.0002245 0.98 AML other m 2019-08-22T09:44:44.62
IV.NRCA.HHE. ML:1.3 0.00013550000000000001 0.14 AML other m 2019-08-22T09:44:45.15
IV.NRCA.HHN. ML:1.2 0.000106 0.08 AML other m 2019-08-22T09:44:45.41
IV.GAVE.EHE. ML:1.1 0.00007195 0.24 AML other m 2019-08-22T09:44:47.27
IV.GAVE.EHN. ML:1.2 0.0000864 0.1 AML other m 2019-08-22T09:44:47.58
IV.TERO.HHN. ML:1.3 0.00008075 0.06 AML other m 2019-08-22T09:44:48.02
IV.TERO.HHE. ML:1.1 0.0000565 0.06 AML other m 2019-08-22T09:44:48.02
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