Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 11-05-2020 and time 01:37:42 (Italy) in region 4 km W Tolentino (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km W Tolentino (MC), on

  • 10-05-2020 23:37:42 (UTC)
  • 11-05-2020 01:37:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2150, 13.2310 at 22 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
Tolentino MC 4 20069 20069
San Severino Marche MC 5 12726 32795
Serrapetrona MC 5 966 33761
Belforte del Chienti MC 6 1886 35647
Caldarola MC 8 1823 37470
Camporotondo di Fiastrone MC 10 563 38033
Pollenza MC 11 6618 44651
Colmurano MC 12 1263 45914
Cessapalombo MC 12 512 46426
Urbisaglia MC 12 2628 49054
Treia MC 13 9403 58457
Gagliole MC 13 620 59077
San Ginesio MC 14 3498 62575
Ripe San Ginesio MC 14 852 63427
Castelraimondo MC 14 4587 68014
Camerino MC 16 6974 74988
Loro Piceno MC 16 2401 77389
Cingoli MC 18 10352 87741
Gualdo MC 19 815 88556
Matelica MC 19 9981 98537
Sant'Angelo in Pontano MC 19 1436 99973
Petriolo MC 19 1998 101971
Appignano MC 19 4213 106184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km SW of Ancona (100861 inhabitants)
52 Km NE of Foligno (57155 inhabitants)
69 Km E of Perugia (166134 inhabitants)
72 Km S of Fano (60888 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
82 Km SE of Pesaro (94582 inhabitants)
87 Km NE of Terni (111501 inhabitants)
97 Km N of L'Aquila (69753 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 1.1 2020-05-10
23:37:42		 43.215 13.231 22 2020-11-19
12:36:51		 Bollettino Sismico Italiano INGV 80763571
Reviewed
Rev100 		ML 1.1 2020-05-10
23:37:42		 43.2082 13.2317 22 2020-05-10
23:43:59		 Sala Sismica INGV-Roma 79028991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-10 23:37:42 ± 0.13
Latitude 43.2150 ± 0.0054
Longitude 13.2310 ± 0.0074
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80763571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 750
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 221
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.65201
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 80763571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-16 23:39:13

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 79028991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-10 23:43:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-05-10T23:37:59.25 0.3 undecidable manual S 248 50.1165 106 0.27 67
IV.NRCA.HHZ. 2020-05-10T23:37:57.42 0.6 undecidable manual S 193 43.3233 109 0.16 46
IV.ARVD.HHZ. 2020-05-10T23:37:56.67 0.3 undecidable manual S 323 39.1275 111 0.47 67
IV.CESI.HHZ. 2020-05-10T23:37:55.52 0.1 undecidable manual S 229 35.2425 114 0.28 92
IV.MF5.EHZ. 2020-05-10T23:37:55.06 0.3 undecidable manual S 144 31.2465 117 0.77 59
IV.MMO1.EHZ. 2020-05-10T23:37:55.35 0.3 undecidable manual S 167 35.8419 114 -0.04 74
IV.TERO.HHZ. 2020-05-10T23:37:55.39 0.6 undecidable manual P 155 72.372 100 -0.06 46
IV.MML1.HNZ. 2020-05-10T23:37:52.88 0.3 undecidable manual S 242 23.8539 126 0.29 71
IV.ASSB.HHZ. 2020-05-10T23:37:52.44 0.1 undecidable manual P 248 50.1165 106 0.32 89
IV.FDMO.HHZ. 2020-05-10T23:37:52.31 0.3 undecidable manual S 210 22.9548 127 -0.09 74
IV.SNTG.HHZ. 2020-05-10T23:37:52.90 0.3 undecidable manual S 281 23.8539 126 0.29 71
IV.GUMA.HHZ. 2020-05-10T23:37:52.01 0.6 undecidable manual S 153 18.87 134 0.43 46
IV.SAP2.EHZ. 2020-05-10T23:37:51.92 0.6 undecidable manual S 134 18.87 133 0.34 47
IV.EL6.EHZ. 2020-05-10T23:37:51.50 0.6 undecidable manual S 321 16.4724 138 0.38 48
IV.CSP1.EHZ. 2020-05-10T23:37:50.51 0.3 undecidable manual S 189 13.7751 143 -0.17 74
IV.ARVD.HHZ. 2020-05-10T23:37:50.40 0.1 undecidable manual P 323 39.1275 111 -0.11 95
IV.NRCA.HHZ. 2020-05-10T23:37:50.78 0.1 undecidable manual P 193 43.3233 109 -0.34 91
IV.MNTT.EHZ. 2020-05-10T23:37:50.24 0.3 undecidable manual P 120 34.0437 115 0.45 67
IV.PF6.EHE. 2020-05-10T23:37:49.63 0.3 undecidable manual S 199 9.0798 155 -0.38 71
IV.MF5.EHZ. 2020-05-10T23:37:49.57 0.1 undecidable manual P 144 31.2465 117 0.17 95
IV.SSM1.HNZ. 2020-05-10T23:37:49.54 0.6 undecidable manual S 289 4.5954 166 -0.08 50
IV.MMO1.EHZ. 2020-05-10T23:37:49.64 0.6 negative manual P 167 35.8419 114 -0.4 91
IV.CESI.HHZ. 2020-05-10T23:37:49.82 0.1 undecidable manual P 229 35.2425 114 -0.14 96
IV.MDAR.HNZ. 2020-05-10T23:37:49.71 0.3 undecidable manual S 251 7.5813 158 -0.15 74
IV.SNTG.HHZ. 2020-05-10T23:37:48.32 0.1 undecidable manual P 281 23.8539 126 -0.11 98
IV.MML1.HNZ. 2020-05-10T23:37:48.33 0.1 undecidable manual P 242 23.8539 126 -0.1 99
IV.FDMO.HHZ. 2020-05-10T23:37:48.05 0.1 negative manual P 210 22.9548 127 -0.27 95
IV.SAP2.EHZ. 2020-05-10T23:37:47.81 0.3 undecidable manual P 134 18.87 133 -0.03 75
IV.CSP1.EHZ. 2020-05-10T23:37:47.12 0.1 negative manual P 189 13.7751 143 -0.2 98
IV.EL6.EHZ. 2020-05-10T23:37:47.52 0.1 undecidable manual P 321 16.4724 138 -0.05 100
IV.GUMA.HHZ. 2020-05-10T23:37:47.75 0.1 undecidable manual P 153 18.87 134 -0.09 100
IV.PF6.EHE. 2020-05-10T23:37:46.57 0.1 undecidable manual P 199 9.0798 155 -0.37 95
IV.SSM1.HNZ. 2020-05-10T23:37:46.54 0.3 undecidable manual P 289 4.5954 166 -0.17 75
IV.MDAR.HNZ. 2020-05-10T23:37:46.59 0.3 undecidable manual P 251 7.5813 158 -0.25 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:1.1 0.0000576 1.8 AML other m 2020-05-10T23:37:53.04
IV.SNTG.HHE. ML:0.9 0.000039800000000000005 0.5 AML other m 2020-05-10T23:37:55.17
IV.NRCA.HHE. ML:1.3 0.00005225 0.7 AML other m 2020-05-10T23:37:58.69
IV.NRCA.HHN. ML:1.2 0.00004645 0.58 AML other m 2020-05-10T23:37:58.06
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