Earthquake with magnitude of ML 0.8 on date 15-10-2019 and time 07:44:30 (UTC) in region 7 km NW Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 7 km NW Accumoli (RI), on

  • 15-10-2019 07:44:30 (UTC)
  • 15-10-2019 09:44:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7260, 13.1750 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.

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
Norcia PG 10 4957 5624
Arquata del Tronto AP 11 1178 6802
Cittareale RI 12 482 7284
Cascia PG 13 3217 10501
Amatrice RI 14 2657 13158
Montegallo AP 18 523 13681
Castelsantangelo sul Nera MC 19 281 13962
Poggiodomo PG 20 117 14079
Acquasanta Terme AP 20 2916 16995
Monteleone di Spoleto PG 20 599 17594

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
47 Km E of Terni (111501 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km W of Pescara (121014 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
91 Km W of Chieti (51815 inhabitants)
94 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 0.8 2019-10-15
07:44:30
42.7265 13.1747 11 2020-02-28
16:41:57
Bollettino Sismico Italiano INGV 73376971
Reviewed
Rev100
ML 0.8 2019-10-15
07:44:30
42.7253 13.1722 11 2019-10-15
07:59:36
Sala Sismica INGV-Roma 73264591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-15 07:44:30 ± 0.04
Latitude 42.7265 ± 0.0009
Longitude 13.1747 ± 0.0024
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73376971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.45056
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73376971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-21 14:30:49

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73264591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-15 07:59:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHE. 2019-10-15T07:44:43.40 0.6 undecidable manual S 325 37.9287 90 0.06 47
IV.FDMO.HHZ. 2019-10-15T07:44:42.53 0.3 undecidable manual S 348 35.1426 90 -0.06 72
IV.MOMA.HNZ. 2019-10-15T07:44:40.22 0.6 undecidable manual P 280 50.0166 90 0.34 44
IV.CAMP.HHZ. 2019-10-15T07:44:40.69 0.6 undecidable manual S 138 28.5492 90 -0.15 47
IV.RM33.EHZ. 2019-10-15T07:44:39.76 0.6 undecidable manual S 172 24.3534 90 0.04 49
IV.MMO1.HNZ. 2019-10-15T07:44:39.16 0.3 undecidable manual S 33 22.8549 90 -0.16 72
IV.CESI.HHE. 2019-10-15T07:44:38.01 0.1 undecidable manual P 325 37.9287 90 -0.01 96
IV.MC2.EHZ. 2019-10-15T07:44:38.84 0.3 undecidable manual S 3 20.5683 90 0.13 72
IV.FDMO.HHZ. 2019-10-15T07:44:37.64 0.1 undecidable manual P 348 35.1426 90 0.05 96
IV.SMA1.EHZ. 2019-10-15T07:44:37.90 0.3 undecidable manual S 129 16.872 90 0.17 72
IV.LNSS.HHZ. 2019-10-15T07:44:37.78 0.3 undecidable manual S 219 17.5713 90 -0.13 73
IV.CAMP.HHZ. 2019-10-15T07:44:36.31 0.1 undecidable manual P 138 28.5492 90 -0.27 92
IV.NRCA.HHZ. 2019-10-15T07:44:36.33 0.6 undecidable manual S 338 12.876 101 -0.32 47
IV.FEMA.HNZ. 2019-10-15T07:44:36.39 0.6 undecidable manual P 339 28.0497 90 -0.11 48
IV.MTRA.HNZ. 2019-10-15T07:44:35.18 0.3 undecidable manual P 79 18.3705 90 0.16 72
IV.MC2.EHZ. 2019-10-15T07:44:35.39 0.3 undecidable manual P 3 20.5683 90 0.04 74
IV.RM33.EHZ. 2019-10-15T07:44:35.98 0.1 undecidable manual P 172 24.3534 90 0.04 98
IV.MMO1.HNZ. 2019-10-15T07:44:35.71 0.3 undecidable manual P 33 22.8549 90 0.01 74
IV.SMA1.EHZ. 2019-10-15T07:44:34.93 0.1 undecidable manual P 129 16.872 90 0.14 97
IV.LNSS.HHZ. 2019-10-15T07:44:34.92 0.1 undecidable manual P 219 17.5713 90 0.03 99
IV.NRCA.HHZ. 2019-10-15T07:44:34.18 0.1 undecidable manual P 338 12.876 101 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00011480000000000001 0.4 AML other m 2019-10-15T07:44:36.58
IV.NRCA.HHE. ML:1.3 0.000202 0.16 AML other m 2019-10-15T07:44:36.50
IV.LNSS.HHN. ML:0.9 0.0000624 1.8 AML other m 2019-10-15T07:44:38.05
IV.LNSS.HHE. ML:0.8 0.000050299999999999996 0.46 AML other m 2019-10-15T07:44:38.66
IV.SMA1.EHE. ML:0.9 0.00005925 0.5 AML other m 2019-10-15T07:44:38.69
IV.SMA1.EHN. ML:0.7 0.000041637715 0.384 AML other m 2019-10-15T07:44:39.11
IV.RM33.EHN. ML:0.6 0.00002338804 1.84 AML other m 2019-10-15T07:44:40.92
IV.RM33.EHE. ML:0.7 0.000027608954999999996 0.1984 AML other m 2019-10-15T07:44:40.48
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