Earthquake with magnitude of ML 1.0 on date 24-03-2020 and time 21:33:32 (Italy) in region 3 km NW Accumoli (RI)

A magnitude ML 1.0 earthquake occured in region: 3 km NW Accumoli (RI), on

  • 24-03-2020 20:33:32 (UTC)
  • 24-03-2020 21:33:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7190, 13.2260 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 3 667 667
Arquata del Tronto AP 8 1178 1845
Amatrice RI 11 2657 4502
Cittareale RI 12 482 4984
Norcia PG 14 4957 9941
Acquasanta Terme AP 16 2916 12857
Montegallo AP 16 523 13380
Cascia PG 17 3217 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
51 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
98 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 1.0 2020-03-24
20:33:32
42.7192 13.2263 12 2020-07-18
21:08:30
Bollettino Sismico Italiano INGV 77752631
Reviewed
Rev100
ML 1.0 2020-03-24
20:33:32
42.7188 13.2265 11 2020-03-24
20:39:49
Sala Sismica INGV-Roma 77543261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-24 20:33:32 ± 0.06
Latitude 42.7192 ± 0.0027
Longitude 13.2263 ± 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 77752631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 61
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29408
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 77752631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-01 09:23:03

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 77543261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-24 20:39:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2020-03-24T20:35:18.24 3.0 undecidable manual Sg 16.459999 0
IV.VIVA.HHZ. 2020-03-24T20:34:06.64 3.0 undecidable manual S 0.19 0
IV.TERO.HHZ. 2020-03-24T20:33:43.44 0.3 undecidable manual S 109 32.6451 92 -0.28 69
IV.RM33.EHZ. 2020-03-24T20:33:41.17 0.1 undecidable manual S 182 23.3544 93 -0.07 98
IV.MC2.EHZ. 2020-03-24T20:33:41.15 0.3 undecidable manual S 352 21.5673 94 0.38 69
IV.MMO1.EHZ. 2020-03-24T20:33:40.79 0.3 undecidable manual S 22 21.5673 94 0 75
IV.LNSS.HHZ. 2020-03-24T20:33:40.23 0.3 undecidable manual S 230 19.869 95 -0.1 74
IV.TERO.HHZ. 2020-03-24T20:33:39.08 0.3 undecidable manual P 109 32.6451 92 0.08 72
IV.MTRA.EHZ. 2020-03-24T20:33:38.76 0.1 undecidable manual S 73 14.4744 105 -0.14 97
IV.SMA1.EHZ. 2020-03-24T20:33:38.48 0.6 undecidable manual S 138 13.2756 110 -0.11 49
IV.NRCA.HHZ. 2020-03-24T20:33:38.96 0.1 undecidable manual S 324 15.6732 101 -0.24 96
IV.T1299.HNZ. 2020-03-24T20:33:38.04 0.3 undecidable manual S 154 10.4784 122 0.12 75
IV.RM33.EHZ. 2020-03-24T20:33:37.60 0.1 undecidable manual P 182 23.3544 93 0.03 99
IV.MC2.EHZ. 2020-03-24T20:33:37.04 0.3 undecidable manual P 352 21.5673 94 -0.26 71
IV.MMO1.EHZ. 2020-03-24T20:33:37.35 0.1 undecidable manual P 22 21.5673 94 0.05 99
IV.LNSS.HHZ. 2020-03-24T20:33:37.04 0.1 undecidable manual P 230 19.869 95 -0.01 100
IV.MTRA.EHZ. 2020-03-24T20:33:36.29 0.1 undecidable manual P 73 14.4744 105 0.07 100
IV.SMA1.EHZ. 2020-03-24T20:33:36.19 0.1 undecidable manual P 138 13.2756 110 0.15 98
IV.NRCA.HHZ. 2020-03-24T20:33:36.44 0.1 undecidable manual P 324 15.6732 101 0.05 100
IV.T1299.HNZ. 2020-03-24T20:33:35.88 0.1 undecidable manual P 154 10.4784 122 0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00009120000000000001 0.08 AML other m 2020-03-24T20:33:39.17
IV.NRCA.HHE. ML:1.1 0.0001004 0.68 AML other m 2020-03-24T20:33:39.31
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