Earthquake with magnitude of ML 0.9 on date 24-05-2020 and time 07:35:10 (Italy) in region 4 km SW Arquata del Tronto (AP)

A magnitude ML 0.9 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on

  • 24-05-2020 05:35:10 (UTC)
  • 24-05-2020 07:35:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7530, 13.2620 at 10 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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 6 667 1845
Montegallo AP 12 523 2368
Acquasanta Terme AP 12 2916 5284
Amatrice RI 14 2657 7941
Norcia PG 14 4957 12898
Cittareale RI 17 482 13380
Montemonaco AP 17 604 13984
Castelsantangelo sul Nera MC 18 281 14265
Valle Castellana TE 19 977 15242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
51 Km E of Foligno (57155 inhabitants)
55 Km E of Terni (111501 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
81 Km E of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
98 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 2020-05-24
05:35:10
42.7528 13.2617 11 2020-05-24
05:42:57
Sala Sismica INGV-Roma 79500481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-24 05:35:10 ± 0.04
Latitude 42.7528 ± 0.0018
Longitude 13.2617 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79500481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 351
Semi-minor axis of confidence ellipse (meter) 136
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36333
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 79500481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-24 05:42:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HHZ. 2020-05-24T05:37:05.26 3.0 undecidable manual Sn 3.12 0
IV.CMPR.HHZ. 2020-05-24T05:36:35.93 3.0 undecidable manual Sg 3.29 0
IV.MILN.HNZ. 2020-05-24T05:36:25.35 3.0 undecidable manual Pg 12.12 0
ST.OZOL.EHZ. 2020-05-24T05:36:22.22 3.0 positive manual Pg 9 0
IV.AGLI.HHZ. 2020-05-24T05:36:08.10 3.0 undecidable manual Pn 2.81 0
IV.PAOL.HHZ. 2020-05-24T05:36:07.68 3.0 undecidable manual Sn -3.01 0
IV.NOCI.HHZ. 2020-05-24T05:36:03.62 3.0 undecidable manual Pn -1.15 0
IV.CELB.HHZ. 2020-05-24T05:35:52.06 3.0 positive manual Pg 3.03 0
IV.PAOL.HNZ. 2020-05-24T05:35:45.41 3.0 undecidable manual Pn 1.08 0
IV.VVLD.HHZ. 2020-05-24T05:35:39.89 3.0 undecidable manual S -2.95 0
IV.PARC.HHZ. 2020-05-24T05:35:34.33 3.0 undecidable manual P -0.28 0
IV.ARVD.HHZ. 2020-05-24T05:35:27.57 3.0 negative manual P -0.44 0
IV.CESI.HHZ. 2020-05-24T05:35:24.30 0.3 undecidable manual S 314 40.3263 50 -0.03 74
IV.CSP1.EHZ. 2020-05-24T05:35:23.83 0.3 undecidable manual S 353 37.8288 50 0.14 73
IV.TERO.HHZ. 2020-05-24T05:35:21.80 0.3 undecidable manual S 117 31.4463 50 -0.16 74
IV.LNSS.HNZ. 2020-05-24T05:35:20.09 0.3 undecidable manual S 227 24.5532 50 -0.04 76
IV.CAMP.HHZ. 2020-05-24T05:35:20.55 0.3 undecidable manual S 153 26.9508 50 -0.21 73
IV.CESI.HHZ. 2020-05-24T05:35:18.58 0.3 negative manual P 314 40.3263 50 -0.11 73
IV.CSP1.EHZ. 2020-05-24T05:35:18.22 1.0 positive manual P 353 37.8288 50 -0.09 25
IV.MC2.EHZ. 2020-05-24T05:35:18.38 0.3 undecidable manual S 341 18.5703 119 0.01 78
IV.RM33.HNZ. 2020-05-24T05:35:17.22 0.6 undecidable manual P 188 27.3504 50 0.53 45
IV.SMA1.EHZ. 2020-05-24T05:35:17.16 0.3 undecidable manual S 156 14.874 125 -0.12 76
IV.NRCA.HHZ. 2020-05-24T05:35:17.10 0.3 undecidable manual S 307 14.9739 125 -0.22 75
IV.TERO.HHZ. 2020-05-24T05:35:17.40 0.6 positive manual P 117 31.4463 50 0.08 50
IV.MMO1.EHZ. 2020-05-24T05:35:17.89 0.3 undecidable manual S 18 17.0718 121 -0.04 77
IV.LNSS.HNZ. 2020-05-24T05:35:16.30 0.3 undecidable manual P 227 24.5532 50 0.04 76
IV.CAMP.HHZ. 2020-05-24T05:35:16.61 0.3 undecidable manual P 153 26.9508 50 -0.02 76
IV.MMO1.EHZ. 2020-05-24T05:35:15.04 0.3 undecidable manual P 18 17.0718 121 0.05 77
IV.MC2.EHZ. 2020-05-24T05:35:15.34 0.6 negative manual P 341 18.5703 119 0.09 51
IV.SMA1.EHZ. 2020-05-24T05:35:14.82 0.1 undecidable manual P 156 14.874 125 0.2 100
IV.NRCA.HHZ. 2020-05-24T05:35:14.64 0.3 undecidable manual P 307 14.9739 125 0 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.0 0.00009939239999999999 0.2624 AML other m 2020-05-24T05:35:17.67
IV.SMA1.EHN. ML:0.7 0.000046856394999999994 0.1408 AML other m 2020-05-24T05:35:17.72
IV.TERO.HHE. ML:0.6 0.000019388490000000002 0.1376 AML other m 2020-05-24T05:35:22.84
IV.TERO.HHN. ML:0.8 0.000028708255 0.08 AML other m 2020-05-24T05:35:22.67
IV.CESI.HHE. ML:1.2 0.00005655288 0.1984 AML other m 2020-05-24T05:35:24.46
IV.CESI.HHN. ML:1.3 0.00006327975 0.1792 AML other m 2020-05-24T05:35:24.48
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