Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 10-05-2020 and time 08:42:44 (Italy) in region 3 km W Amatrice (RI)

A magnitude ML 1.4 earthquake occured in region: 3 km W Amatrice (RI), on

  • 10-05-2020 06:42:44 (UTC)
  • 10-05-2020 08:42:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6260, 13.2480 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 3 2657 2657
Cittareale RI 7 482 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Capitignano AQ 13 665 7052
Campotosto AQ 13 542 7594
Borbona RI 16 617 8211
Posta RI 17 694 8905
Arquata del Tronto AP 17 1178 10083
Cagnano Amiterno AQ 19 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
96 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
Reviewed
Rev100 		ML 1.4 2020-05-10
06:42:44		 42.6263 13.2478 11 2020-05-10
06:51:31		 Sala Sismica INGV-Roma 79004041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-10 06:42:44 ± 0.1
Latitude 42.6263 ± 0.0036
Longitude 13.2478 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79004041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 421
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.52790
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 79004041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-10 06:51:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2020-05-10T06:43:03.61 0.6 undecidable manual S 290 58.5969 90 0.57 54
IV.CSP1.EHZ. 2020-05-10T06:43:01.48 0.3 undecidable manual S 356 51.7038 90 0.28 88
IV.FDMO.HHZ. 2020-05-10T06:43:00.34 0.3 undecidable manual S 344 47.3193 90 0.32 88
IV.FIAM.HHZ. 2020-05-10T06:42:58.39 0.6 undecidable manual S 195 41.1255 90 0.02 63
IV.ARRO.EHZ. 2020-05-10T06:42:57.95 0.3 undecidable manual S 263 39.7269 90 -0.04 94
IV.MC2.EHZ. 2020-05-10T06:42:56.05 0.6 undecidable manual S 351 31.9458 90 0.13 63
IV.MOMA.HHZ. 2020-05-10T06:42:55.17 0.3 undecidable manual P 290 58.5969 90 -0.22 88
IV.TERO.HHZ. 2020-05-10T06:42:55.03 0.3 undecidable manual S 91 29.0487 90 -0.12 95
IV.CSP1.EHZ. 2020-05-10T06:42:54.12 0.3 undecidable manual P 356 51.7038 90 -0.2 90
IV.FDMO.HHZ. 2020-05-10T06:42:53.47 0.3 undecidable manual P 344 47.3193 90 -0.17 91
IV.NRCA.HNE. 2020-05-10T06:42:53.70 0.3 undecidable manual S 335 25.4523 90 -0.47 89
IV.ARRO.EHZ. 2020-05-10T06:42:52.14 0.3 undecidable manual P 263 39.7269 90 -0.33 89
IV.MTRA.EHZ. 2020-05-10T06:42:52.23 0.3 undecidable manual S 40 18.87 90 -0.19 96
IV.FIAM.HHZ. 2020-05-10T06:42:52.65 0.3 undecidable manual P 195 41.1255 90 -0.04 94
IV.CAMP.HHZ. 2020-05-10T06:42:51.91 0.3 undecidable manual S 127 16.5723 90 0.1 97
IV.MC2.EHZ. 2020-05-10T06:42:51.86 0.3 undecidable manual P 351 31.9458 90 0.58 84
IV.RM33.EHZ. 2020-05-10T06:42:50.93 0.3 undecidable manual S 192 13.2756 97 -0.01 100
IV.TERO.HHZ. 2020-05-10T06:42:50.75 0.3 undecidable manual P 91 29.0487 90 -0.08 96
IV.NRCA.HNE. 2020-05-10T06:42:50.04 0.3 undecidable manual P 335 25.4523 90 -0.23 94
IV.CAMP.HHZ. 2020-05-10T06:42:49.06 0.3 undecidable manual P 127 16.5723 90 0.16 96
IV.MTRA.EHZ. 2020-05-10T06:42:49.26 0.3 undecidable manual P 40 18.87 90 0 99
IV.RM33.EHZ. 2020-05-10T06:42:48.54 0.3 undecidable manual P 192 13.2756 97 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.6 0.0003685 0.24 AML other m 2020-05-10T06:42:51.23
IV.RM33.HNN. ML:1.5 0.00034399999999999996 0.14 AML other m 2020-05-10T06:42:51.22
IV.RM33.EHE. ML:1.7 0.0004825 0.14 AML other m 2020-05-10T06:42:51.30
IV.RM33.HNE. ML:1.7 0.000512 0.1 AML other m 2020-05-10T06:42:51.25
IV.CAMP.HHE. ML:0.8 0.0000615 1.38 AML other m 2020-05-10T06:42:52.99
IV.CAMP.HHN. ML:1.0 0.00008055 0.64 AML other m 2020-05-10T06:42:52.08
IV.MTRA.EHE. ML:1.8 0.000429 0.7 AML other m 2020-05-10T06:42:52.14
IV.MTRA.HNE. ML:1.7 0.0003655 0.72 AML other m 2020-05-10T06:42:52.13
IV.MTRA.HNN. ML:1.8 0.0005245 0.48 AML other m 2020-05-10T06:42:52.30
IV.MTRA.EHN. ML:1.8 0.0004985 0.48 AML other m 2020-05-10T06:42:52.30
IV.TERO.HHE. ML:1.3 0.00009635 1.4 AML other m 2020-05-10T06:42:56.72
IV.TERO.HHN. ML:1.4 0.00013450000000000002 0.52 AML other m 2020-05-10T06:42:56.28
IV.ARRO.EHE. ML:1.1 0.00004285 0.92 AML other m 2020-05-10T06:42:58.52
IV.FIAM.HHE. ML:0.8 0.000017999999999999997 1.66 AML other m 2020-05-10T06:42:59.00
IV.ARRO.EHN. ML:1.2 0.00005115 0.6 AML other m 2020-05-10T06:43:00.19
IV.FIAM.HHN. ML:0.7 0.000017049999999999998 0.68 AML other m 2020-05-10T06:43:03.78
IV.MOMA.HHE. ML:1.4 0.0000511 0.18 AML other m 2020-05-10T06:43:05.81
IV.MOMA.HHN. ML:1.4 0.00004845 1.32 AML other m 2020-05-10T06:43:06.13
IV.T0110.HHN. ML:1.5 0.00006005000000000001 0.52 AML other m 2020-05-10T06:43:06.34
IV.T0110.HHE. ML:1.4 0.0000551 0.72 AML other m 2020-05-10T06:43:08.83
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