Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 13-10-2020 and time 14:34:38 (Italy) in region 2 km SW Palmiano (AP)

A magnitude ML 1.4 earthquake occured in region: 2 km SW Palmiano (AP), on

  • 13-10-2020 12:34:38 (UTC)
  • 13-10-2020 14:34:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8900, 13.4400 at 19 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.

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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
Palmiano AP 2 196 196
Roccafluvione AP 4 2010 2206
Venarotta AP 4 2066 4272
Comunanza AP 8 3166 7438
Montemonaco AP 9 604 8042
Force AP 9 1354 9396
Montefortino FM 10 1178 10574
Montegallo AP 10 523 11097
Montefalcone Appennino FM 11 424 11521
Ascoli Piceno AP 12 49407 60928
Rotella AP 12 906 61834
Amandola FM 12 3629 65463
Smerillo FM 13 365 65828
Acquasanta Terme AP 14 2916 68744
Montedinove AP 15 488 69232
Santa Vittoria in Matenano FM 15 1330 70562
Castignano AP 16 2796 73358
Monte San Martino MC 16 765 74123
Montelparo FM 16 778 74901
Arquata del Tronto AP 17 1178 76079
Montalto delle Marche AP 18 2122 78201
Folignano AP 18 9241 87442
Valle Castellana TE 18 977 88419
Appignano del Tronto AP 19 1785 90204
Penna San Giovanni MC 19 1108 91312
Monteleone di Fermo FM 19 395 91707
Monte Rinaldo FM 19 379 92086
Sarnano MC 20 3264 95350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of Teramo (54892 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
60 Km E of Foligno (57155 inhabitants)
71 Km NW of Montesilvano (53738 inhabitants)
74 Km E of Terni (111501 inhabitants)
79 Km NW of Pescara (121014 inhabitants)
81 Km S of Ancona (100861 inhabitants)
84 Km NW of Chieti (51815 inhabitants)
89 Km E of Perugia (166134 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 1.4 2020-10-13
12:34:38		 42.8898 13.4403 19 2021-02-26
14:56:01		 Bollettino Sismico Italiano INGV 84156571
Reviewed
Rev100 		ML 1.4 2020-10-13
12:34:38		 42.8873 13.4312 20 2020-10-13
12:41:40		 Sala Sismica INGV-Roma 83754431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-13 12:34:38 ± 0.1
Latitude 42.8898 ± 0.0027
Longitude 13.4403 ± 0.0061
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84156571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 477
Semi-minor axis of confidence ellipse (meter) 90
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
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) 148
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.29678
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 83754431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-13 12:41:40

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 84156571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-17 16:28:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-10-13T12:34:50.13 0.3 undecidable manual S 156 32.4453 111 0.25 69
IV.SMA1.EHZ. 2020-10-13T12:34:49.40 0.3 undecidable manual S 197 30.0477 113 0.13 72
IV.FDMO.HHZ. 2020-10-13T12:34:49.94 0.3 undecidable manual S 300 32.9448 111 -0.06 72
IV.CSP1.EHZ. 2020-10-13T12:34:49.24 0.3 undecidable manual S 320 29.4483 114 0.11 72
IV.NRCA.HHZ. 2020-10-13T12:34:48.72 0.3 undecidable manual S 257 27.2505 116 0.12 73
IV.MC2.EHZ. 2020-10-13T12:34:47.18 0.3 undecidable manual S 277 20.5683 125 0.12 73
IV.GUMA.HHZ. 2020-10-13T12:34:47.41 0.3 undecidable manual S 336 20.9679 124 0.26 71
IV.MTRA.EHZ. 2020-10-13T12:34:45.90 0.3 undecidable manual S 194 15.1737 135 -0.07 74
IV.NRCA.HHZ. 2020-10-13T12:34:44.16 0.1 undecidable manual P 257 27.2505 116 -0.1 96
IV.TERO.HHZ. 2020-10-13T12:34:44.91 0.1 undecidable manual P 156 32.4453 111 -0.09 96
IV.CSP1.EHZ. 2020-10-13T12:34:44.48 0.1 undecidable manual P 320 29.4483 114 -0.09 96
IV.MMO1.EHZ. 2020-10-13T12:34:44.88 0.3 undecidable manual S 277 9.2796 150 -0.13 74
IV.SMA1.EHZ. 2020-10-13T12:34:44.57 0.1 undecidable manual P 197 30.0477 113 -0.08 97
IV.MF5.EHZ. 2020-10-13T12:34:44.97 0.3 undecidable manual S 8 10.9779 145 -0.28 72
IV.FDMO.HHZ. 2020-10-13T12:34:44.84 0.1 undecidable manual P 300 32.9448 111 -0.23 93
IV.MC2.EHZ. 2020-10-13T12:34:43.39 0.1 undecidable manual P 277 20.5683 125 0.02 99
IV.GUMA.HHZ. 2020-10-13T12:34:43.57 0.3 undecidable manual P 336 20.9679 124 0.15 72
IV.MF5.EHZ. 2020-10-13T12:34:42.48 0.1 undecidable manual P 8 10.9779 145 0.16 98
IV.MTRA.EHZ. 2020-10-13T12:34:42.69 0.1 undecidable manual P 194 15.1737 135 -0.05 100
IV.MMO1.EHZ. 2020-10-13T12:34:42.12 0.1 undecidable manual P 277 9.2796 150 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:1.2 0.00012173855 1.5648 AML other m 2020-10-13T12:34:46.80
IV.MTRA.HNN. ML:1.3 0.000142013745 0.1152 AML other m 2020-10-13T12:34:46.13
IV.MTRA.EHN. ML:1.3 0.0001309853 0.1984 AML other m 2020-10-13T12:34:46.13
IV.MTRA.HNE. ML:1.3 0.000139681895 0.0576 AML other m 2020-10-13T12:34:46.18
IV.MTRA.EHE. ML:1.3 0.000139603135 0.0576 AML other m 2020-10-13T12:34:46.18
IV.NRCA.HNN. ML:1.6 0.00017615765 0.8064 AML other m 2020-10-13T12:34:48.55
IV.NRCA.HNE. ML:1.8 0.00026939795 0.1088 AML other m 2020-10-13T12:34:48.83
IV.NRCA.HHE. ML:1.8 0.00029 0.1 AML other m 2020-10-13T12:34:48.83
IV.NRCA.HHN. ML:1.7 0.00020400000000000003 0.16 AML other m 2020-10-13T12:34:48.90
IV.SMA1.EHN. ML:1.5 0.0001205 0.5 AML other m 2020-10-13T12:34:49.50
IV.CSP1.EHN. ML:1.6 0.0001566505 0.1408 AML other m 2020-10-13T12:34:49.53
IV.SMA1.EHE. ML:1.5 0.0001245 0.14 AML other m 2020-10-13T12:34:49.55
IV.FDMO.HHN. ML:1.0 0.0000329 0.54 AML other m 2020-10-13T12:34:50.34
IV.FDMO.HHE. ML:1.0 0.00003765 0.44 AML other m 2020-10-13T12:34:50.45
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