Province of Ancona

Earthquakes today in Ostra

Today, within 30 km: 1 earthquake recorded, magnitude 1.3 (updated at 11:31). Latest: M1.3 on 13 October 2026 at 06:22, 5 km West of Mergo, 8 km deep.

1.3
very light

Latest earthquake within 30 km

5 km West of Mergo

5 hours ago · 13 Oct 2026, 06:22
Depth 8 km

Seismic activity within 30 km

30 km radius
Today
latest quake within 30 km
1,586
quakes recorded since 2015
~3 days
on average, one quake every
4.1
The strongest within 30 km
2 km North-West of Colli al Metauro
4 years ago · 29 Oct 2021, 12:53

INGV catalogue epicentres of the last ~12 years, within the given radius from the town centre.

How seismic is Ostra: zone 2

Zone2
Seismic zone 2

A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.

Official Civil Protection classification (upd. 2025), used for building codes.

Medium
Expected shaking, compared with the other Italian municipalities (INGV MPS04 model)

Hazard describes the long-term expected shaking: it is not a forecast. Technical value: ag = 0.185 g (10% probability of exceedance in 50 years, rigid soil).

Closest earthquake
Earthquake details
7
In the town
total on record
1
In the town
last 12 months
186
Within 30 km
last 12 months
M4.1
Strongest since 2015
Within 30 km

“Within 30 km”: epicentres less than 30 km from the centre of Ostra. “In the town”: quakes whose nearest town to the epicentre is Ostra.

Latest earthquake attributed to Ostra: 18 December 2025 · 6,743 inhabitants

The seismic history of Ostra

The earthquakes that were actually felt in Ostra over the centuries, with the intensity observed on site (Mercalli MCS scale).

  1. 1998V5 April 1998

    Rather strong: felt by almost everyone; hanging objects swing.

    Appennino umbro-marchigiano earthquake (M4.8), epicentre 55 km away

  2. 1997IV-V3 October 1997

    Rather strong: felt by almost everyone; hanging objects swing.

    Appennino umbro-marchigiano earthquake (M5.2), epicentre 68 km away

  3. 1997V-VI26 September 1997

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Appennino umbro-marchigiano earthquake (M6.0), epicentre 70 km away

  4. 1997V26 September 1997

    Rather strong: felt by almost everyone; hanging objects swing.

    Appennino umbro-marchigiano earthquake (M5.7), epicentre 68 km away

  5. 1972VII14 June 1972

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Costa anconetana earthquake (M4.7), epicentre 28 km away

  6. 1972VI4 February 1972

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Costa anconetana earthquake (M4.6), epicentre 27 km away

  7. 1972VI4 February 1972

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Costa anconetana earthquake (M4.4), epicentre 24 km away

  8. 1972VI25 January 1972

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Costa anconetana earthquake (M4.5), epicentre 30 km away

  9. 1950V5 September 1950

    Rather strong: felt by almost everyone; hanging objects swing.

    Gran Sasso earthquake (M5.7), epicentre 121 km away

  10. 1930VII30 October 1930

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Senigallia earthquake (M5.8), epicentre 22 km away

  11. 1781VI-VII3 June 1781

    Very strong: hard to stand; chimneys and roof tiles fall, serious damage to weaker buildings.

    Cagliese earthquake (M6.5), epicentre 50 km away

  12. 1727VI14 December 1727

    Strong: felt by everyone, many get scared; objects fall, first light damage to buildings.

    Valle del Metauro earthquake (M5.2), epicentre 25 km away

…and 19 more documented effects in this town's history.

Source: Italian Macroseismic Database DBMI15 (INGV, CC BY 4.0).

The great earthquakes in this area's history

Almost a thousand years of catalogues: the strongest documented events within ~50 km.

17816.5
Cagliese earthquake
3 June 1781 · 50 km from here
XCompletely destructive: most buildings are destroyed.
17996.2
Appennino marchigiano earthquake
28 July 1799 · 47 km from here
IX-XCompletely destructive: most buildings are destroyed.
17416.2
Fabrianese earthquake
24 April 1741 · 23 km from here
IXDestructive: many buildings partly or fully collapse.
19305.8
Senigallia earthquake
30 October 1930 · 22 km from here
VIII-IXDestructive: many buildings partly or fully collapse.

Source: Parametric Catalogue of Italian Earthquakes CPTI15 (INGV, CC BY 4.0).

The closest seismic structure

Pesaro-Senigallia

The town lies about 7 km from Pesaro-Senigallia, one of the seismic structures mapped by INGV geologists.

estimated maximum magnitude 6.3between 3 and 8 km deep

Faults are mapped to build better and understand the territory: knowing them says nothing about when an earthquake will occur, which remains unpredictable. Source: DISS 3.3 (INGV, CC BY 4.0).

Over time within 30 km

October 20263eventsmax 1.3
Jan '25
Apr
Jul
Oct
Jan '26
Apr
Jul
Oct

Earthquake map within 30 km

60 events
Magnitude:lightweakmoderatestrong

Latest earthquakes within 30 km

1.3
5 km West of Mergo
21 km South-West · 8 km
5 hours ago
13 Oct 2026, 06:22
0.6
2 km South-West of Mergo
19 km South-West · 8 km
8 days ago
5 Oct 2026, 12:18
0.8
4 km West of Arcevia
21 km West · 23 km
12 days ago
1 Oct 2026, 12:34
0.9
3 km East of Mondavio
14 km North-West · 11 km
14 days ago
29 Sept 2026, 06:15
1.5
2 km East of Mondavio
15 km North-West · 11 km
14 days ago
29 Sept 2026, 03:48
1.2
4 km East of Mondavio
13 km North-West · 10 km
14 days ago
29 Sept 2026, 03:33
1.2
3 km West of Poggio San Vicino
27 km South-West · 8 km
14 days ago
29 Sept 2026, 03:08
0.6
2 km East of Mondavio
14 km North-West · 11 km
14 days ago
29 Sept 2026, 03:04
2.5
3 km East of Mondavio
14 km North-West · 11 km
14 days ago
29 Sept 2026, 03:02
0.8
4 km West of Serra San Quirico
22 km South-West · 5 km
15 days ago
28 Sept 2026, 12:10

Nearby towns

How does it compare with the surroundings?

Ostra is about average for its province in recorded quakes.

quietermore active
More epicentres than 57% of the 47 towns in the province.
Ostra7
Nearby towns average131

Each quake is attributed to the town closest to its epicentre: the numbers describe the area, not the municipal territory alone.

Context

Province of Ancona21 events · last 30 daysMarche region337 events · last 30 days
ISTAT code: 042035

Frequently asked questions

Were there earthquakes near Ostra today?

Yes: today 1 quake was recorded within 30 km of Ostra, at 06:22, magnitude 1.3.

Is Ostra a seismic area?

Ostra is classified in seismic zone 2 by the Civil Protection. A zone where strong earthquakes are possible: new buildings follow strict anti-seismic criteria.

What was the strongest earthquake near Ostra?

In the INGV catalogue since 2015, the strongest earthquake within 30 km of Ostra was magnitude 4.1, on 29 October 2021.

When was the last quake near Ostra?

The last quake recorded within 30 km of Ostra dates back to 13 October 2026, magnitude 1.3.

Tip. Click a nearby town to explore its seismicity.

Sources:INGV earthquake catalogueDBMI15 macroseismic historyCivil Protection seismic classification

Data: INGV — National Institute of Geophysics and Volcanology (CC-BY 4.0)