Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 01-04-2020 and time 02:35:06 (UTC) in region 1 km SE Loro Piceno (MC)

A magnitude ML 1.7 earthquake occured in region: 1 km SE Loro Piceno (MC), on

  • 01-04-2020 02:35:06 (UTC)
  • 01-04-2020 04:35:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1570, 13.4280 at 18 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
Loro Piceno MC 1 2401 2401
Massa Fermana FM 4 963 3364
Montappone FM 4 1682 5046
Ripe San Ginesio MC 5 852 5898
Mogliano MC 6 4696 10594
Colmurano MC 6 1263 11857
Monte Vidon Corrado FM 6 731 12588
Urbisaglia MC 6 2628 15216
Falerone FM 7 3337 18553
Sant'Angelo in Pontano MC 7 1436 19989
Petriolo MC 8 1998 21987
Montegiorgio FM 9 6851 28838
Servigliano FM 10 2336 31174
Francavilla d'Ete FM 10 964 32138
San Ginesio MC 10 3498 35636
Penna San Giovanni MC 11 1108 36744
Belmonte Piceno FM 12 646 37390
Gualdo MC 12 815 38205
Corridonia MC 12 15430 53635
Tolentino MC 13 20069 73704
Monte San Pietrangeli FM 13 2458 76162
Magliano di Tenna FM 13 1452 77614
Camporotondo di Fiastrone MC 13 563 78177
Rapagnano FM 14 2145 80322
Monte San Martino MC 14 765 81087
Pollenza MC 14 6618 87705
Monsampietro Morico FM 14 659 88364
Monteleone di Fermo FM 15 395 88759
Cessapalombo MC 15 512 89271
Torre San Patrizio FM 15 2048 91319
Grottazzolina FM 15 3398 94717
Belforte del Chienti MC 15 1886 96603
Santa Vittoria in Matenano FM 16 1330 97933
Macerata MC 16 42473 140406
Monte San Giusto MC 16 8191 148597
Caldarola MC 16 1823 150420
Montottone FM 17 979 151399
Sarnano MC 17 3264 154663
Smerillo FM 17 365 155028
Montelparo FM 18 778 155806
Monte Giberto FM 18 801 156607
Montegranaro FM 19 12990 169597
Montefalcone Appennino FM 19 424 170021
Monte Rinaldo FM 19 379 170400
Serrapetrona MC 19 966 171366
Treia MC 20 9403 180769
Ponzano di Fermo FM 20 1674 182443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km S of Ancona (100861 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
63 Km E of Foligno (57155 inhabitants)
83 Km SE of Fano (60888 inhabitants)
85 Km E of Perugia (166134 inhabitants)
90 Km N of L'Aquila (69753 inhabitants)
92 Km NE of Terni (111501 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
94 Km SE of Pesaro (94582 inhabitants)
100 Km NW of Pescara (121014 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 1.7 2020-04-01
02:35:06		 43.1567 13.4278 18 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 77948241
Reviewed
Rev100 		ML 1.7 2020-04-01
02:35:06		 43.1357 13.4055 20 2020-04-01
02:42:01		 Sala Sismica INGV-Roma 77743591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-01 02:35:06 ± 0.14
Latitude 43.1567 ± 0.0045
Longitude 13.4278 ± 0.0086
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77948241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 719
Semi-minor axis of confidence ellipse (meter) 55
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 237
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.81928
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 77948241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-06 07:19:20

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77743591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-01 02:42:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.HNE. 2020-04-01T02:35:29.30 0.6 undecidable manual S 194 73.8705 97 0.55 41
IV.LNSS.HNZ. 2020-04-01T02:35:28.18 0.6 undecidable manual S 207 69.0753 97 0.72 38
IV.TERO.HHN. 2020-04-01T02:35:26.08 0.6 undecidable manual S 166 60.8946 99 0.77 38
IV.T1299.HNN. 2020-04-01T02:35:25.80 0.6 undecidable manual S 192 59.1963 99 0.96 35
IV.SMA1.EHN. 2020-04-01T02:35:25.13 0.6 undecidable manual S 187 58.8966 99 0.37 44
IV.CESI.HHE. 2020-04-01T02:35:21.76 0.6 undecidable manual S 249 45.621 102 0.47 44
IV.NRCA.HHZ. 2020-04-01T02:35:20.78 0.6 undecidable manual S 215 43.9227 103 -0.08 48
IV.VCEL.EHZ. 2020-04-01T02:35:20.49 3.0 undecidable manual P 90.9423 -1.45 0
IV.SNTG.HHZ. 2020-04-01T02:35:20.51 0.6 undecidable manual S 286 40.9257 104 0.45 45
IV.RM33.HNE. 2020-04-01T02:35:19.06 0.3 undecidable manual P 194 73.8705 97 -0.26 66
IV.MML1.HNE. 2020-04-01T02:35:19.38 0.3 undecidable manual S 263 37.2294 106 0.26 70
IV.LNSS.HNZ. 2020-04-01T02:35:18.33 0.6 undecidable manual P 207 69.0753 97 -0.25 44
IV.EL6.EHZ. 2020-04-01T02:35:18.40 0.6 undecidable manual S 306 32.5452 109 0.46 45
IV.SSFR.HHN. 2020-04-01T02:35:17.78 0.6 undecidable manual P 301 60.6948 99 0.49 43
IV.CING.HNZ. 2020-04-01T02:35:17.90 0.6 undecidable manual S 322 30.6471 111 0.44 46
IV.FDMO.HHZ. 2020-04-01T02:35:17.24 0.6 undecidable manual S 244 30.6471 111 -0.21 48
IV.TERO.HHN. 2020-04-01T02:35:17.28 0.6 undecidable manual P 166 60.8946 99 -0.06 47
IV.SMA1.EHN. 2020-04-01T02:35:16.54 0.6 undecidable manual P 187 58.8966 99 -0.48 43
IV.ARVD.HHE. 2020-04-01T02:35:16.54 0.6 undecidable manual P 314 54.501 100 0.18 46
IV.MMO1.EHZ. 2020-04-01T02:35:16.92 0.6 undecidable manual S 196 29.748 112 -0.3 47
IV.T1299.HNN. 2020-04-01T02:35:16.79 0.6 undecidable manual P 192 59.1963 99 -0.28 45
IV.CESI.HHE. 2020-04-01T02:35:15.26 0.6 undecidable manual P 249 45.621 102 0.24 46
IV.MNTT.EHZ. 2020-04-01T02:35:15.18 0.6 undecidable manual S 128 17.1717 129 0.87 40
IV.SNTG.HHZ. 2020-04-01T02:35:14.12 0.6 undecidable manual P 286 40.9257 104 -0.19 47
IV.PF6.EHN. 2020-04-01T02:35:14.33 0.6 undecidable manual S 264 18.9699 126 -0.37 47
IV.MF5.EHZ. 2020-04-01T02:35:14.56 0.3 undecidable manual S 172 18.87 126 -0.12 75
IV.NRCA.HHZ. 2020-04-01T02:35:14.64 0.3 undecidable manual P 215 43.9227 103 -0.13 71
IV.CSP1.EHZ. 2020-04-01T02:35:14.54 0.6 undecidable manual S 248 19.4694 125 -0.25 48
IV.EL6.EHZ. 2020-04-01T02:35:13.04 0.6 undecidable manual P 306 32.5452 109 -0.04 49
IV.GUMA.HNN. 2020-04-01T02:35:13.37 0.6 undecidable manual S 216 12.876 139 -0.11 50
IV.MML1.HNE. 2020-04-01T02:35:13.69 0.3 undecidable manual P 263 37.2294 106 -0.07 73
IV.SAP2.EHZ. 2020-04-01T02:35:12.68 0.6 undecidable manual S 199 7.0929 155 0.04 52
IV.MMO1.EHZ. 2020-04-01T02:35:12.20 0.3 undecidable manual P 196 29.748 112 -0.46 68
IV.CING.HNZ. 2020-04-01T02:35:12.71 0.3 undecidable manual P 322 30.6471 111 -0.1 73
IV.FDMO.HHZ. 2020-04-01T02:35:12.57 0.6 undecidable manual P 244 30.6471 111 -0.23 48
IV.MNTT.EHZ. 2020-04-01T02:35:11.22 0.1 positive manual P 128 17.1717 129 0.23 97
IV.CSP1.EHZ. 2020-04-01T02:35:10.98 0.3 undecidable manual P 248 19.4694 125 -0.28 72
IV.GUMA.HNN. 2020-04-01T02:35:10.25 0.6 undecidable manual P 216 12.876 139 -0.26 49
IV.PF6.EHN. 2020-04-01T02:35:10.85 0.3 undecidable manual P 264 18.9699 126 -0.36 71
IV.MF5.EHZ. 2020-04-01T02:35:10.92 0.1 positive manual P 172 18.87 126 -0.28 96
IV.MNTP.HNZ. 2020-04-01T02:35:09.67 0.3 undecidable manual P 123 3.996 166 -0.19 75
IV.SAP2.EHZ. 2020-04-01T02:35:09.83 0.1 positive manual P 199 7.0929 155 -0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHE. ML:1.6 0.00038438355 0.16 AML other m 2020-04-01T02:35:12.89
IV.SAP2.EHN. ML:2.2 0.0013184687 0.16 AML other m 2020-04-01T02:35:12.89
IV.MF5.EHN. ML:1.6 0.00025031165 0.24 AML other m 2020-04-01T02:35:14.90
IV.MF5.EHE. ML:1.7 0.0002811089 0.2 AML other m 2020-04-01T02:35:14.97
IV.MNTT.EHE. ML:1.9 0.00048740205 0.3008 AML other m 2020-04-01T02:35:15.55
IV.MNTT.EHN. ML:1.6 0.00028352834999999997 0.2 AML other m 2020-04-01T02:35:16.54
IV.SNTG.HHN. ML:1.4 0.00007231343 0.16 AML other m 2020-04-01T02:35:20.90
IV.SNTG.HNN. ML:1.7 0.00016976595 0.6608 AML other m 2020-04-01T02:35:21.91
IV.SNTG.HHE. ML:1.2 0.00005399398 0.16 AML other m 2020-04-01T02:35:21.02
IV.NRCA.HHN. ML:1.5 0.00009205046 0.12 AML other m 2020-04-01T02:35:22.22
IV.NRCA.HNE. ML:1.8 0.00016165235 0.1296 AML other m 2020-04-01T02:35:21.56
IV.NRCA.HHE. ML:1.7 0.00015245635000000002 0.12 AML other m 2020-04-01T02:35:21.62
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